Document:

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                                Support Agreement

         This Agreement is made this 29th day of December 1998, by and
between Graham M. Weston ("Weston") and Morris A. Miller ("Miller")
(collectively, "G&M"), Rackspace, Ltd., a Texas limited partnership (the
"Partnership") and Richard Yoo, Dirk Elmendorf and Pat Condon (collectively,
the "Class A Limited Partners").

         G&M represent to the Class A Limited Partners that they own 100% of
the limited partner interests of Trout, Ltd. ("Trout") and are the sole
members of Macroweb, LC, which are Partners of the Partnership and as such,
G&M derive a benefit from the success of the Partnership. The Class A Limited
Partners of the Partnership have agreed to become limited partners of the
Partnership based in part upon the commitments made in this Agreement by G&M.

         G&M agree as follows:

1. RIGHT OF FIRST REFUSAL. G&M may not propose to make any sale, transfer
(which shall include a merger, statutory exchange, consolidation or
recapitalization of Trout or Macroweb), assignment or other disposition of
all or any part of their membership interests in Macroweb, LC or the Trout
Interests in Trout (such interests desired to be sold, transferred, pledged
or assigned are referred to as the "Controlling Units offered for Sale")
except by sale of cash or a combination of cash and promissory notes. Prior
to making such disposition, Weston or Miller, as the case may be, shall first
offer the Controlling Units Offered for Sale to the Class A Limited Partners,
in proportion to their Ownership Interests in the Partnership under the same
terms and conditions as the proposed sale (the "Terms of Sale"). Miller
and/or Weston, as the case may be, shall provide to the Class A Limited
Partners all available information regarding the proposed sale and the
proposed purchaser, as may be reasonably requested by the Class A Limited
Partners. The Class A Limited Partners shall have four business days from the
receipt of such written offer to (i) elect in writing to purchase all of the
Controlling Units Offered for Sale (in proportion to their Ownership
Interests in the Partnership, or in whatever other proportion they may
otherwise agree), and (ii) make available to Miller and/or Weston, as the
case may be, at the offices of Macroweb, LC, an amount equal to ten (10%)
percent of the purchase price of the Controlling Units Offered for Sale as a
non-refundable deposit; provided that, in lieu of such deposit, the Class A
Limited Partners may pledge (under a pledge agreement reasonably acceptable
to Miller and/or Weston, as the case may be) their Units as security for
their obligation to pay an amount equal to 10% of the purchase price of the
Controlling Units Offered for Sale as a non-refundable deposit. Payment for
the Controlling Units Offered for Sale shall be made in accordance with the
Terms of Sale. To the extent that the Terms of Sale provide for a note or
notes, the Class A Limited Partners, to the extent they desire to purchase
all of the Controlling Units Offered for Sale, shall be required to provide
substantially the same credit worthiness as the proposed purchaser. If the
Class A Limited Partners do not elect to purchase all of the Controlling

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Units Offered for Sale, or otherwise fail to provide substantially the same
credit worthiness as the proposed purchaser, Miller and/or Weston, as the
case may be, shall be free to sell all the Controlling Units Offered for Sale
for a period of sixty (60) days after the expiration of the Class A Limited
Partners' option, provided that any such sale must be made under the same
terms and conditions as the Terms of Sale. In addition, G&M covenant that, so
long as G&M controls Macroweb and Trout and Macroweb is the General Partner
of the Partnership, Macroweb will not issue any additional membership
interests, and Trout will not issue any additional limited partner interest
that would result in it losing control of Trout, to anyone other than Miller
or Weston, so that Miller and Weston will own 100% of such interests in
Macroweb and control Trout.

2. TIME AND ATTENTION. Miller and Weston agree at such times as may be
requested by the Partnership from time to time, to provide the Partnership
with time and attention to assist the Partnership to succeed in its business
endeavors. The Partnership and the Class A Limited Partners acknowledge that
Miller and Weston have several additional business interests, and as such the
amount of time which may be spend by Miller and Weston for the benefit of the
Partnership is limited.

3. BOARD OF DIRECTORS. Miller and Weston agree to cause Macroweb, LC to have
a board of directors which will have a minimum of three positions. Miller and
Weston agree to name one of the Class A Limited Partners to Macroweb, LC's
board of directors for so long as they are employed by the Partnership or
own, in aggregate, 15% of the Ownership Percentage Interests of the
Partnership.

4. LOCATION OF SERVERS AND OFFICE. Miller and Weston agree to use their
reasonable best efforts to secure a location for the Partnership's data
center and offices at favorable rent.

5. INDEMNITY. Miller and Weston agree to take whatever action is necessary to
ensure that Richard Yoo incurs no financial loss or expense related to the
office lease at 9828 Lorene Lane, San Antonio, Texas 78216, including
indemnifying him for any amounts he is required to pay thereon.

6. NON-COMPETITION. Miller and Weston agree that they will not, directly or
indirectly (whether through any affiliate, family member or otherwise),
compete with the core business of the Partnership (whatever such core
business shall be at such time) anywhere in the world for so long as they
control the general partner of the Partnership, and for a period of one year
thereafter.

7. PROPRIETARY INFORMATION/BUSINESS OPPORTUNITIES. Miller and Weston
acknowledge and agree that the Partnership has and will continue to develop
proprietary information which is essential for the success of the
Partnership. Such information, includes but is not limited to marketing
plans, strategies, financial data, customer lists, supplier lists, source
code, business ideas (collectively, the "Confidential Information", whether
oral or embodied in documents (including writings, drawings, graphs, charts,
photographs, phonorecords, video recordings,

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and other data compilations from which information can be obtained) or
tangible things. Miller and Weston agree to keep the Confidential Information
secret at all times, and not to disclose such information to any third party
without the consent of the General Partner of the Partnership. Miller and
Weston shall be prohibited from using the Confidential Information for any
purpose other than the purpose of the Partnership.

Miller and Weston agree to promptly bring to the attention of the General
Partner and the Partnership, any business opportunity which become known to
them which relates to Partnership's core business activity at the time, which
is currently, commercially developing the Concept (as defined in the
Agreement of Limited Partnership of Rackspace, Ltd.).

8. SEVERABILITY. If any covenant contained in this agreement, or any part
thereof, is hereafter construed to be invalid or unenforceable, the same
shall not affect the remainder of the covenant or covenants, which shall be
given full effect, without regard to the invalid portion or portions. If any
covenant in this agreement, or any part thereof, is held to be unenforceable
because of its duration or its geographic scope, the parties agree that the
court making such determination shall have the power to reduce the duration
and/or area of such covenant to the longest duration and to the greatest
geographical scope which is permitted, and, in said reduced form, such
covenant shall then be enforced.

9. NOTICE. Any notice required in this Agreement shall be provided in the
manner and to the parties set forth in the Agreement of Limited Partnership
of Rackspace, Ltd. of even date herewith.

10. PERSONAL LIABILITY OF WESTON AND MILLER. The parties hereto agree that
under no circumstances shall Miller or Weston have any personal liability to
any of the parties hereto, except to the extent under an agreement executed
individually by Miller or Weston. With the exception of this agreement and
the "Credit Agreement" executed contemporaneously herewith, there are no
agreements between Miller and/or Weston, individually, and the parties
hereto. Therefore, no oral agreement between Miller or Weston and any of the
parties hereto shall be valid unless evidenced in writing and signed by the
parties hereto.

         Rackspace, Ltd.

                  By: Macroweb, LC

                      By: /s/ Morris Miller
                          ----------------------

                      Its: member
                          ----------------------

         Morris A. Miller

                  /s/ Morris Miller
                  ------------------------

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         Graham M. Weston

                  /s/ Graham M. Weston
                  ------------------------

         Richard Yoo

                  /s/ Richard Yoo
                  ------------------------

         Dirk Elmendorf

                  /s/ Dirk Elmendorf
                  ------------------------

         Pat Condon

                  /s/ Pat Condon
                  ------------------------

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                         AMENDMENT TO SUPPORT AGREEMENT

         This Amendment to Support Agreement is made this 30th day of
November, 1999, by and between Graham M. Weston ("Weston"), Morris A. Miller
("Miller") (collectively, "G&M") and Richard Yoo ("Yoo"), MiniPat & Company,
Ltd. ("MiniPat") and Dirk Elmendorf ("Elmendorf) (collectively, the "Class A
Limited Partners") and The Hamilton Companies, LLC ("Hamilton"), Weston
Investment Interests, LLC. ("Weston"), Isom Capital Partners I, L.P.
("Isom"), and First Inning Investors, L.P. ("First Inning") (Isom, Weston,
Hamilton, MiniPat and First Inning are sometimes referred to herein as the
"New Limited Partners"). This Agreement amends the Support Agreement dated
December 29, 1998 between the Existing Partners (the "Support Agreement").
Except as amended by this Agreement, the terms of the Support Agreement shall
continue in full force and effect.

         1. Additional Parties. The parties hereby amend the Support
Agreement to include the New Limited Partners as parties to the Support
Agreement.

         2. Amendment to Paragraph 1. For the purposes of paragraph 1, in all
instances which refer to the Class A Limited Partners or to a Class A Limited
Partner, it shall read to include both the Class A Limited Partners and the
Class C Limited Partners. In addition, any sale or transfer between Miller
and Weston of the membership interests in Macroweb or the Trout Interests
shall not be subject to the right of first refusal and may be made without
restriction. Miller and Weston shall also have the right to make transfers to
their family members ("Transferees", which include spouses, children,
parents, grandparents, grandchildren, and including family members by
adoption) without subjecting the transfer to the right of first refusal,
however, any transfer made by such Transferee shall be subject to the rights
of first refusal contained herein. Miller and Weston shall also have the
right to make transfers of Trout Interests (in addition to transfers made to
Transferees) up to an amount equal to forty percent (40%) of the outstanding
Trout Interests and such transfers shall not be subject to the rights of
first refusal contained in Paragraph 1. In addition, any holder of a right of
first refusal under Paragraph 1 shall have 15 days, rather than 4 business
days to accept or reject the offer to purchase the Controlling Units offered
for Sale.

         3. New Paragraph 11. This Agreement shall terminate upon the
dissolution or termination of Rackspace, Ltd., including but not limited to
any dissolution or termination resulting from the merger of Rackspace, Ltd.
into any other entity, or any dissolution or termination resulting from the
sale of all or substantially all of the assets of Rackspace, Ltd. In
addition, the rights of first refusal contained in Paragraph 1 shall no
longer apply to the Trout Interests if Trout is no longer a limited partner
of Rackspace, Ltd. and shall no longer apply to the membership interests in
Macroweb, LC if Macroweb, LC is no longer the general partner of Rackspace,
Ltd. The above notwithstanding, to the extent that Rackspace, Ltd. is
dissolved or terminated as a result of a merger or other combination wherein
the same or substantially the same owners own the successor entity (the
"Successor") as own Rackspace, Ltd., this Agreement shall continue in effect,
and shall continue until the earlier to occur of the dissolution or

<PAGE>

termination of the Successor, or a public offering of the shares of the
Successor.

         4. First Inning agrees that it will not permit any of its ownership
interests (whether represented as stock, membership interests, partnership
interests or otherwise) to be transferred to a third party unless after such
transfer, Quincy Lee (either directly or through his control over Trango
Capital, L.L.C.) will continue to have the right to exercise control over all
matters pertaining to First Inning. Isom agrees that it will not permit any
of its ownership interests (whether represented as stock, membership
interests, partnership interests or otherwise) to be transferred to a third
party unless after such transfer, S. James Bishkin (either directly or
through his control over BESK Funding, Inc.) will continue to have the right
to exercise control over all matters pertaining to Isom. MiniPat agrees that
it will not permit any of its ownership interests (whether represented as
stock, membership interests, partnership interests or otherwise) to be
transferred to a third party unless after such transfer, Condon (either
directly or through his control over MiniPat, will continue to have the right
to exercise control over all matters pertaining to MiniPat. Weston agrees
that it will not permit any of its ownership interests (whether represented
as stock, membership interests, partnership interests or otherwise) to be
transferred to a third party unless after such transfer, Graham M. Weston
(either directly or through his control over Weston will continue to have the
right to exercise control over all matters pertaining to Weston.

         5. This agreement may be signed in multiple original counterparts,
each of which shall be deemed an original and all of which shall constitute
one agreement, and the signatures of any party to any counterpart shall be
deemed to be a signature to, and may be appended to, any other counterpart.

         6. Notwithstanding anything in this Agreement to the contrary, a
party to this Amendment to Support Agreement ("Existing Party") may assign
any right of first refusal it has to acquire an interest in Trout or
Macroweb to any (i) current limited partner, partner, shareholder or member
of such Existing Party, or an Affiliate of such Person, or an entity
controlled by such Persons or their Affiliates, or (ii) another Person upon
the prior consent of Macroweb and Trout in their sole discretion (a "Current
Affiliate") and provide Macroweb and Trout written notice of such assignment
within five (5) Business Days. Upon any such assignment, the Current
Affiliate shall be subject to the rights, obligations, and restrictions
provided in the Support Agreement (as amended) with respect to exercising any
such rights.

                                       /s/ Morris A. Miller
                                       -----------------------------
                                       Morris A. Miller

                                       /s/ Graham M. Weston
                                       -----------------------------
                                       Graham M. Weston

<PAGE>

                                       /s/ Patrick R. Condon
                                       -----------------------------
                                       Patrick R. Condon

                                       /s/ Richard Yoo
                                       -----------------------------
                                       Richard Yoo

                                       /s/ Dirk Elmendorf
                                       -----------------------------
                                       Dirk Elmendorf

                                       MiniPat & Company, Ltd.

                                            By: /s/ Patrick R. Condon
                                                -------------------------
                                                General Partner

                                      Trout, Ltd.

                                            By:    Knightsbridge, L.C.,
                                                   General Partner

                                                   By: /s/ Morris Miller, member
                                                      --------------------------

                                                   Its: member
                                                      --------------------------

                                      Isom Capital Partners I, L.P.

                                                   By: BESK Funding, Inc.,
                                                       General Partner

                                                       By: /s/ S. James Bishkin
                                                          ----------------------
                                                          S. James Bishkin
                                                          President

<PAGE>

                      SECOND AMENDMENT TO SUPPORT AGREEMENT

         This Second Amendment to Support Agreement is made this 22nd day of
February, 2000, by and between Graham M. Weston ("Weston"), Morris A. Miller
("Miller") (collectively, "G&M") and Richard Yoo ("Yoo"), MiniPat & Company,
Ltd. ("MiniPat") and Dirk Elmendorf (AElmendorf) (collectively, the "Class A
Limited Partners") and The Hamilton Companies LLC ("Hamilton"), Weston
Investment Interest, L.L.C. ("Weston"), Isom Capital Partners I, L.P.
("Isom"), and First Inning Investors, L.P. ("First Inning") (Isom, Weston,
Hamilton, MiniPat and First Inning are sometimes referred to herein as the
"Class C Limited Partners") and 2M Technology Ventures, L.P. ("2M"). This
Agreement amends the Support Agreement dated December 29, 1998, as amended
(the "Support Agreement"). Except as amended by this Agreement and the
Amendment to Support Agreement dated November 30, 1999, the terms of the
Support Agreement shall continue in full force and effect.

         1. Additional Party. The parties hereby amend the Support Agreement
to include 2M as a Class C Limited Partner under the terms of the Support
Agreement, as amended.

         2. 2M agrees that it will not permit any of its ownership interests
(whether represented as stock, membership interests, partnership interests or
otherwise) to be transferred to a third party unless after such transfer,
Morton H. Meyerson or Steven D. Leeke (either directly or indirectly), or
their respective heirs or beneficiaries under their respective wills
(including without limitation any trusts thereunder), will continue to have
the right to exercise control over all matters pertaining to 2M; provided,
however, that the restriction contained in this paragraph 2 shall terminate
upon the earlier to occur of (i) June 30, 2001, or (ii) immediately before
the effective date of an initial public offering of (x) any successor entity
of the Partnership, or (y) any entity that holds a majority of the
outstanding equity interest in the Partnership.

         3. This agreement may be signed in multiple original counterparts,
each of which shall be deemed an original and all of which shall constitute
one agreement, and the signatures of any party to any counterpart shall be
deemed to be a signature to, and may be appended to, any other counterpart.

                                        /s/ Morris A. Miller
                                        ----------------------
                                        Morris A. Miller

                                        /s/ Graham M. Weston
                                        ----------------------
                                        Graham M. Weston
<PAGE>

                             /s/ Patrick R. Condon
                             ----------------------
                             Patrick R. Condon

                             /s/ Richard Yoo
                             ----------------------
                             Richard Yoo

                             /s/ Dirk Elmendorf
                             ----------------------
                             Dirk Elmendorf

                             MiniPat & Company, Ltd.

                                        By: /s/ Patrick R. Condon
                                           ----------------------
                                            General Partner

                             Trout, Ltd.

                                     By: Knightsbridge, L.C.,General
                                         Partner

                                         By: /s/ Graham M. Weston
                                            ---------------------
                                         Its: Member
                                            ---------------------

                            Isom Capital Partners I, L.P.

                                     By: BESK Funding, Inc.,
                                         General Partner

                                         By: /s/ S. James Bishkin
                                            ---------------------
                                            S. James Bishkin
                                                 President
<PAGE>

                            First Inning Investors, L.P.

                                              By: Trango Capital L.L.C.,
                                                  General Partner

                                                  By: /s/ Quincy J. Lee
                                                     ----------------------
                                                     Quincy J. Lee, Manager

                                        The Hamilton Companies LLC

                                        By: /s/ Frederic C. Hamilton
                                           -------------------------
                                        Its: President
                                           -------------------------

                                        Weston Investment Interest, L.L.C.

                                        By: /s/ Graham M. Weston
                                            ------------------------
                                        Its: Manager
                                            ------------------------

                                        2M Technology Ventures, L.P.

                                                 By: 2M Technology Group, L.L.C.
                                                 Its:  General Partner

                                                       By: /s/ Steven D. Leeke
                                                          ----------------------<PAGE>
                                 EMPLOYMENT AGREEMENT

     THIS EMPLOYMENT AGREEMENT ("Agreement") made and entered into effective
as of the 29th day of December, 1998 by and between Rackspace, Ltd., a Texas
Limited Partnership (the "Company"), and Richard Yoo ("Employee").

                                     WITNESSETH:

     WHEREAS, Employee and the Company desire that the Company engage the
services of Employee; and

     WHEREAS, Employee desires to serve in the employment of the Company on
the terms and conditions set forth below;

     NOW, THEREFORE, in consideration of the mutual covenants and agreements
hereinafter set forth, the parties hereto agree as follows:

     1.   EMPLOYMENT. The Company hereby employs Employee to serve as the
President and CEO of the Company, and Employee hereby accepts such
employment, upon the terms and conditions set forth herein.

     2.  TERM. The initial term of Employee's employment shall commence on
the effective date of this Agreement and shall continue through January 1,
2003. On January 1, 2003 and each anniversary of such date thereafter, the
Employee's term of employment shall automatically renew thereafter for
successive one-year terms unless either party to this Agreement has notified
the other party in writing at least thirty (30) days prior to the end of such
four-year initial term or any such one-year renewal term, as applicable, that
it elects to terminate the employment of the Employee as of the end of any
such term. Notwithstanding the foregoing, the term of this Agreement is
subject to earlier termination as hereinafter provided. The period of time
during which Employee is employed under this Agreement through the effective
date of any termination of such employment is hereinafter referred to as the
"Term".

     3.  DUTIES. During the Term, Employee agrees that he will devote his
full business time, attention and energies to the business of the Company and
to the performance of his duties hereunder which shall include such duties as
from time to time are assigned to him by the General Partner of the Company.
However, the Employee shall be entitled to engage in business activities
unrelated to the business of the Company, provided that, in the Company's
discretion reasonably applied, such activities do not interfere with the
Employee's obligations under this Agreement, the Company is given prior
written notice of Employee's desire to engage in such activities, and to the
extent such business activities constitute a business opportunity of the
Company, the Company has elected not to pursue such activities.

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     4.  COMPENSATION.

            (a)  BASE COMPENSATION. During the Term, the Company shall pay to
Employee a salary in the amount of $3,000.00 per month, subject to annual
adjustment by the General Partner but in no event less than $3,000.00 per
month. Such monthly salary shall be payable monthly or in such other
installments as the parties may mutually agree. During the Term, the Company
shall also reimburse Employee for all reasonable expenses incurred on behalf
of the Company in accordance with its then existing reimbursement policies.

            (b)  FRINGE BENEFITS AND VACATION. During the Term, Employee
shall be entitled to the standard employee benefits available to other
management personnel of the Company in comparable positions (which shall
include at least the benefits listed on Exhibit A attached hereto); provided,
however, that the receipt of such fringe benefits by Employee shall be
subject to the Company's eligibility and enrollment requirements pertaining
to such benefit programs and to the further qualifications set forth on
Exhibit A hereto. During each 12 month period of Employee's employment
Employee shall be entitled to two (2) weeks of paid vacation.

            (c)  BONUS. To the extent that the total annual compensation of
Employee for the initial four year Term is less than $51,000.00 per year,
Employee shall receive a bonus payment equal to the difference between the
actual annual compensation and $51,000.00.  However, the bonus will be paid,
only if and to the extent that the Partnership repays all principal owing to
Exeter Financial, LC incident to borrowings by the Company which are a
minimum of $550,000.00, but which may reach $1,050,000.00.

     5.  INVENTIONS AND PATENTS. Employee agrees that all intellectual
property (including, without limitation, inventions, copyrights, new
contributions, ideas, and discoveries, whether patentable or not) conceived
or made by him during the term shall belong to the Company, provided that
such intellectual property arise out of Employee's employment by the Company,
are related to the Company's business, or are created with the use of the
facilities or materials of the Company.

     6.  CONFIDENTIALITY AND COMPETITIVE ACTIVITIES.

            (a)  CONFIDENTIALITY. In view of the fact that Employee's work
with the Company will bring him into close contact with many confidential
affairs of the Company, including matters of a business nature such as
information about costs, profits, markets, sales, trade secrets, potential
patents and other business ideas, customer lists, plans for future
developments, business opportunities, and information of any other kind not
known within any industry in which the Company operates (hereinafter,
collectively, "Confidential Matters"), Employee agrees:

                   (i)  To keep secret all Confidential Matters of the
Company and of any subsidiaries and affiliates of the Company and not to
disclose them to anyone outside of the Company or its subsidiaries or
affiliates, or otherwise use them or use his knowledge of them for his own
benefit, including, without limitation, use of the trade names or trademarks
of the Company, either during or after the Term, except with the Company's
prior written consent; and

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<PAGE>

                   (ii) To deliver promptly to the Company at the termination
of the Term, or at any time the Company may request, all memoranda, notices,
records, reports and other documents (and all copies thereof) relating to the
business of the Company or any of its subsidiaries or affiliates, including,
but not limited to, Confidential Matters, which he may then possess or have
under his control.

            Notwithstanding any of the foregoing, the term "Confidential
Matters" does not include information which (i) Employee is compelled to
disclose by judicial or administrative process, or in the opinion of his
counsel, by other mandatory requirements of law, or (ii) is or becomes
generally available to the public other than as a result of any disclosure by
Employee.

     (b)  COMPETITIVE ACTIVITIES. During Employee's employment and for a
period of (i) six (6) months following the effective date of a termination of
Employee's employment "without cause", or as a result of his disability, (ii)
eighteen (18) months following the effective date of a termination of
Employee's employment in the event Employee resigns or is terminated for
Cause, Employee shall not, directly or indirectly, or through any subsidiary
or affiliate, own, consult, advise, manage, operate, join, or control, or
participate in the ownership, management, operation, or control of, or be
connected with in any manner (including but not limited to acting as an
employee or independent contractor), any business, person, firm, or
corporation, which (i) provides or intends to provide the same services as the
Company is otherwise competitive with the Company's products or services; or
(ii) is engaged in or intends to engage in any line(s) of business that would
be competitive with any other lines of business that the Company has made a
decision to engage in prior to the termination of Employee's employment with
the Company. This covenant is made to protect the Company's proprietary and
confidential information.  In addition, the covenant is made
contemporaneously with and as independent consideration for, the execution of
the Agreement of Limited Partnership of Rackspace, Ltd. of which Employee is
a limited partner. Due to the nature of the Company's business (which
involves internet products and services), it is not practical to impose a
geographical limitation on the prohibitions contained herein. At the end of
the Employee's employment, the Company shall provide the Employee with a
written list of the business activities which the Company is engaged in or
which the Company has made a decision to become engaged in.

     If any covenant contained in this Section 6(b), or any part thereof, is
hereafter construed to be invalid or unenforceable, the same shall not affect
the remainder of the covenant or covenants, which shall be given full effect,
without regard to the invalid portion or portions. If any covenant in this
Section 6(b), or any part thereof, is held to be unenforceable because of its
duration or its geographic scope, the parties agree that the court making
such determination shall have the power to reduce the duration and/or area of
such covenant to the longest duration and to the greatest geographical scope
which is permitted, and, in said reduced form, such covenant shall then be
enforced.

     7.  REMEDIES FOR BREACH. Notwithstanding the provisions of Section 10
hereof, if Employee breaches, or threatens to breach, any of the provisions
of Section 6 hereof, the Company shall have the following rights and
remedies, in addition to any others, each of which shall be independent of
the other and severally enforceable:

                                       3

<PAGE>

            (i)   The right to have the provisions of Section 6 of this
Agreement specifically enforced by any court having equity jurisdiction, it
being acknowledged and agreed that any such breach or threatened breach will
cause irreparable injury to the Company and that monetary damages will not
provide an adequate remedy to the Company;

            (ii)  The right to obtain an injunction to prevent the Employee
from taking actions prohibited by this Agreement without the requirement of
posting a bond, it being acknowledged and agreed that any such breach or
threatened breach will cause irreparable injury to the Company and that
monetary damages will not provide an adequate remedy to the Company;

            (iii) The right and remedy to require Employee to pay all damages
resulting from such breach; and

            (iv)  The right to terminate Employee's employment for "Cause"
pursuant to Section 8 hereof.

     8.  TERMINATION OF EMPLOYMENT.

            (a)  DEATH OR DISABILITY. Employee's employment shall
automatically terminate upon the death or disability of Employee. Disability
shall mean an infirmity preventing Employee from performing in any material
respect his duties for at least 120 days (whether or not consecutive) during
any one-year period.

            (b)  TERMINATION FOR CAUSE. The Company may terminate Employee's
employment at any time for "Cause" in accordance with the procedures provided
below. Termination by the Company for "Cause" shall be limited to termination
upon (i) the material neglect or inattention by Employee of his duties
hereunder after a written warning of such material neglect or inattention of
his duties, or (ii) the engaging by Employee in conduct that is materially
and demonstrably injurious to the Company, monetarily or otherwise, which
shall be deemed to include violating any material term of this Agreement.

     Prior to the Company's exercising its right to terminate Employee's
employment for Cause, the Company shall give thirty (30) days prior written
notice to Employee of the specific action proposed to be taken and the
grounds therefor and a reasonable opportunity for Employee to respond thereto
to the Company and to cure such situation.

            (c)  OTHER TERMINATION. The Company shall have the right to
terminate Employee's employment at any time without Cause by giving at least
thirty (30) days prior written notice to Employee of the Company's election
to terminate the Employee's employment. If the Company terminates the
Employee's employment at the end of the four year initial term (whether with
or without cause) or any time after the four year initial term, Employee
shall only be entitled to his salary and benefits through the date of
termination and no more. If the Company terminates the Employee's employment
without Cause during the initial four year Term or in the event that
Employee's employment is terminated due to Disability during the initial four
year Term, and the Company receives from the Employee a full release of all
claims in a form satisfactory to the

                                       4

<PAGE>

Company the Company shall pay Employee an amount equal to three months salary
as severance pay based upon the monthly salary then in effect.

     9.  EFFECT OF TERMINATION. Upon the termination of Employee's
employment, the rights of Employee which shall have accrued prior to the date
of such termination shall not be affected in any way. Except as provided in
Section 8(c) hereof, Employee shall not have any rights which have not
previously accrued upon termination of his employment. Section 6 hereof shall
survive any termination of Employee's employment.

     10. MEDIATION & BINDING ARBITRATION. Except with respect to the
provisions of Sections 6 and 7 hereof which shall not be subject to binding
arbitration, the Company and Employee agree that all other disputes,
controversies or claims that may arise between them (including their agents
and employees) including, without limitation, any dispute, controversy or
claim as to the interpretation or enforcement of any of the provisions of
this Agreement, shall be submitted first to mediation and then to binding
arbitration in the city of San Antonio, Texas in accordance with the rules of
the American Arbitration Association and judgment upon the award rendered by
the arbitrator(s) may be entered in any court having jurisdiction.

            (a)  MEDIATION. If a controversy or claim arises between the
parties then that controversy or claim will be mediated within one month of
its identification by the parties.

            (b)  BINDING ARBITRATION. In the event that the parties cannot
resolve their dispute by mediation within one month, the parties then agree
to bring the dispute to binding arbitration within one month of the
conclusion of the mediation.

     11. COMMUNICATIONS. Any notice, request or other communication required
or permitted by this Agreement to be mailed, given or delivered to Employee
shall be in writing, addressed to him at his address shown below or at such
other address as he shall have furnished from time to time to the Company for
the purposes hereof; and any payment to Employee under this Agreement may be
made by check delivered to him or mailed to or delivered at such address. Any
notice, request or other communication required or permitted by this
Agreement to be given to the Company is to be in writing, addressed to the
Company at the address of its principal office in San Antonio, Texas, or at
such other address as the Company shall have furnished to Employee for the
purposes hereof.

     12. AMENDMENTS. This Agreement may be amended or modified only by a
written instrument executed by the parties hereto.

     13. BINDING EFFECT. This Agreement shall be binding upon, and shall
inure to the benefit of, Employee; the obligations of Employee hereunder are
personal and this Agreement may not be assigned by Employee. This Agreement
shall be binding upon, and shall inure to the benefit of, the Company and
shall also bind and inure to the benefit of any successor of the Company by
merger or consolidation or any assignee or transferee of all or substantially
all of its properties, but, except to any such successor or assignor of the
Company, this Agreement may not be assigned by the Company.

                                       5

<PAGE>

     14. APPLICABLE LAW. This Agreement shall be governed by and construed in
accordance with the laws of the State of Texas.

     15. SEVERABILITY. If any provision of this Agreement shall, to any
extent, be invalid or unenforceable, the remainder of this Agreement shall
not be affected, and each term hereof shall be valid and shall be enforced to
the extent permitted by law.

     16. COUNTERPARTS. This Agreement may be executed in multiple
counterparts, each of which is to be deemed an original, but all of which,
together, constitute one and the same instrument.

     EXECUTED as of the day and year first above written.

                              RACKSPACE, LTD.

                              By:  MACROWEB, LC

                              By: /s/ Morris Miller
                                 --------------------------

                              Its: Member
                                  -------------------------

                              RICHARD YOO

                              By: /s/ Richard Yoo
                                 ---------------------------

                              Address:
                                       Richard Yoo
                              ------------------------------

                                       100 Lorenz #102
                              ------------------------------

                                       San Antonio, TX 78209
                              ------------------------------

                                       6

<PAGE>

                                      Exhibit A

1.   Health/medical/dental insurance for Employee.

                                       7

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