Document:

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                                                                     EXHIBIT 4.3

 DIAMONDCLUSTER INTERNATIONAL, INC. AMENDED AND RESTATED 1998 EQUITY INCENTIVE
                                     PLAN

     1. Purpose. The DiamondCluster International, Inc. Amended and Restated
1998 Equity Incentive Plan (the "Plan") is intended to promote the long-term
success of DiamondCluster International, Inc. (the "Company") and its
stockholders by strengthening the Company's ability to attract and retain highly
competent executives and other selected employees and to provide a means to
encourage stock ownership and proprietary interest in the Company.

     2. Term. The Plan shall become effective upon the date (the "Effective
Date") it is approved by the Board of Directors of the Company (the "Board"),
subject to its ratification and approval by the affirmative vote of the holders
of a majority of the securities of the Company present or represented, and
entitled to vote at a meeting of stockholders of the Company, and shall
terminate at the close of business on the tenth anniversary of the Effective
Date unless terminated earlier under Section 14. Certain awards made with the
approval of the Company's Worldwide Operating Committee in March and April 1998
(the "March/April Awards") prior to the Effective Date were intended to be
pursuant to the Plan and are therefore included under the Plan. After
termination of the Plan, no future awards may be granted, but previously granted
awards shall remain outstanding in accordance with their applicable terms and
conditions and the terms and conditions of the Plan.

     3. Plan Administration. The Company's Worldwide Operating Committee, as
constituted from time to time, or any other committee appointed by the Board
(the "Committee") shall be responsible for administering the Plan. Except as
otherwise provided in the Plan, the Committee shall have full and exclusive
power to interpret the Plan and to adopt such rules, regulations and guidelines
for carrying out the Plan as it may deem necessary or proper, and such power
shall be executed in the best interests of the Company and in keeping with the
objectives of the Plan. The interpretation and construction of any provision of
the Plan or any option or right granted hereunder and all determinations by the
Committee in each case shall be final, binding and conclusive with respect to
all interested parties.

     4. Eligibility. Any employee of the Company shall be eligible to receive
one or more awards under the Plan. Directors of the Company who are not employed
by the Company will be considered "employees" eligible to receive awards under
the Plan, but only for purposes of nonqualified stock options. "Company"
includes any entity that is directly or indirectly controlled by the Company or
any entity in which the Company has a significant equity interest, as determined
by the Committee.

     5. Shares of Common Stock Subject to the Plan. Subject to the provisions of
Section 6 of the Plan, the aggregate number of shares of Class B Common Stock,
$0.001 par value, (and shares of Class A Common Stock into which such Class B
Common Stock may be converted) of the Company ("Stock") which may be transferred
to participants under the Plan shall be:

          (i)   28,000,000 shares (including the March/April Awards); plus

          (ii)  any shares that are represented by awards or portions of awards
     under the Diamond Technology Partners Incorporated 1994 Stock Option Plan,
     as amended (the "Prior Plan") that are forfeited, expired, cancelled or
     settled without the issuance of shares; plus

          (iii) any shares that are represented by options or portions of
     options not awarded under the Prior Plan but included in clause (i) of
     Section 3 of the Prior Plan that are forfeited, expired, cancelled or
     settled without the issuance of shares; plus

          (iv)  any shares issued and included in clause (i) of Section 3 of the
     Prior Plan that are repurchased by the Company.
<PAGE>

     The aggregate number of shares of Stock that may be covered by awards
granted to any single individual under the Plan shall not exceed 250,000 shares
per fiscal year of the Company. The aggregate number of shares of Stock that may
be granted in the form of incentive stock options ("ISOs") intended to comply
with Section 422 of the Internal Revenue Code of 1986, as amended (the "Code")
shall be 28,000,000 shares.

     Shares subject to awards under the Plan which expire, terminate, or are
canceled prior to exercise or, in the case of awards granted under Section 8.3,
do not vest, shall thereafter be available for the granting of other awards.
Shares which have been exchanged by a participant as full or partial payment to
the Company in connection with any award under the Plan also shall thereafter be
available for the granting of other awards. In instances where a stock
appreciation right ("SAR") or other award is settled in cash, the shares covered
by such award shall remain available for issuance under the Plan. Likewise, the
payment of cash dividends and dividend equivalents paid in cash in conjunction
with outstanding awards shall not be counted against the shares available for
issuance. Any shares that are issued by the Company, and any awards that are
granted through the assumption of, or in substitution for, outstanding awards
previously granted by an acquired entity shall not be counted against the shares
available for issuance under the Plan.

     Any shares of Stock issued under the Plan may consist in whole or in part
of authorized and unissued shares or of treasury shares, and no fractional
shares shall be issued under the Plan. Cash may be paid in lieu of any
fractional shares in settlements of awards under the Plan.

     6. Adjustments. In the event of any stock dividend, stock split,
combination or exchange of shares, merger, consolidation, spin-off,
recapitalization or other distribution (other than normal cash dividends) of
Company assets to stockholders, or any other change affecting shares of Stock or
share price, such proportionate adjustments, if any, as the Committee in its
discretion may deem appropriate to reflect such change shall be made with
respect to (1) the aggregate number of shares of Stock that may be issued under
the Plan; (2) each outstanding award made under the Plan; and (3) the exercise
price per share for any outstanding stock options, SARs or similar awards under
the Plan.

     7. Fair Market Value. "Fair Market Value," for all purposes of the Plan,
shall mean the average of the closing price of a share of Stock on the NASDAQ
National Market System for the ten trading days immediately preceding the date
of grant.

     8. Awards. Except as otherwise provided in this Section 8, the Committee
shall determine the type or types of award(s) to be made to each participant and
the number of shares of Stock subject to each such award, and any other terms,
conditions and limitations applicable to such award. Awards may be granted
singly, in combination or in tandem. Awards also may be made in combination or
in tandem with, in replacement of, as alternatives to or as the payment form for
grants or rights under any other compensation plan or individual contract or
agreement of the Company including those of any acquired entity. The types of
awards that may be granted under the Plan are:

         8.1 Stock Options. A stock option is a right to purchase a specified
     number of shares of Stock during a specified period. The purchase price per
     share for each stock option shall be not less than 100% of Fair Market
     Value on the date of grant, except if a stock option is granted
     retroactively in tandem with or as a substitution for a SAR, the exercise
     price may be no lower than the Fair Market Value of a share as set forth in
     award agreements for such tandem or replaced SAR. A stock option may be in
     the form of an ISO which complies with Section 422 of the Code. The price
     at which shares may be purchased under a stock option shall be paid in full
     by the optionee at the time of the exercise in cash or such other method
     permitted by the Committee, including (1) tendering shares; (2) authorizing
     a third party to sell the shares (or a sufficient portion thereof) acquired
     upon exercise of a stock option and assigning the delivery to the Company
     of a sufficient amount of the sale proceeds to pay for all the shares
     acquired through such exercise; or (3) any combination of the above.

         8.2 SARs. A SAR is a right to receive a payment, in cash and/or shares,
     equal to the excess of the Fair Market Value of a specified number of
     shares of Stock on the date the SAR is exercised over the Fair Market Value
     on the date the SAR was granted as set forth in the applicable award
     agreement; except that if a SAR is granted retroactively in tandem with or
     in substitution for a stock option, the designated Fair Market Value set
     forth in the award agreement shall be no lower than the Fair Market Value
     of a share for such tandem or replaced stock option.
<PAGE>

     8.3  Stock Awards. A stock award is a grant made or denominated in shares
or units equivalent in value to shares. All or part of any stock award may be
subject to conditions and restrictions as set forth in the applicable award
agreement, which may be based on continuous service with the Company or the
achievement of performance goals related to profits, profit growth, profit-
related return ratios, cash flow or total stockholder return, where such goals
may be stated in absolute terms or relative to comparable companies.

     9.  Dividends and Dividend Equivalents. Any awards under the Plan may earn
dividends or dividend equivalents as set forth in the applicable award
agreement. Such dividends or dividend equivalents may be paid currently or may
be credited to a participant's account. Any crediting of dividends or dividend
equivalents may be subject to such restrictions and conditions may be
established in the applicable award agreement, including reinvestment in
additional shares or share equivalents.

     10. Deferrals and Settlements. Payment of awards may be in the form of
cash, stock, other awards or combinations thereof as shall be determined at the
time of grant, and with such restrictions as may be imposed in the award
agreement. The Committee also may require or permit participants to elect to
defer the issuance of shares or the settlement of awards in cash under such
rules and procedures as it may establish under the Plan. It also may provide
that deferred settlements include the payment or crediting of interest on the
deferral amounts, or the payment or crediting of dividend equivalents where the
deferral amounts are denominated in shares.

     11. Transferability and Exercisability. Awards granted under the Plan shall
not be transferable or assignable other than (1) by will or the laws of descent
and distribution; (2) by gift or other transfer of an award to any trust or
estate in which the original award recipient or such recipient's spouse or other
immediate relative has a substantial beneficial interest, or to a spouse or
other immediate relative, provided that any such transfer is permitted by Rule
16b-3 under the Exchange Act as in effect when such transfer occurs and the
Board does not rescind this provision prior to such transfer; or (3) pursuant to
a domestic relations order (as defined by the Code). However, any award so
transferred shall continue to be subject to all the terms and conditions
contained in the instrument evidencing such award.

     12. Award Agreements. Awards under the Plan shall be evidenced by
agreements as approved by the Committee that set forth the terms, conditions and
limitations for each award, which may include the term of an award (except that
in no event shall the term of any ISO exceed a period of ten years from the date
of its grant), the provisions applicable in the event the participant's
employment terminates, and the Committee's authority to amend, modify, suspend,
cancel or rescind any award. The Committee need not require the execution of any
such agreement, in which case acceptance of the award by the participant shall
constitute agreement to the terms of the award.

     13. Acceleration and Settlement of Awards. The Committee shall have the
discretion, exercisable at any time before a sale, merger, consolidation,
reorganization, liquidation or change of control of the Company, as defined by
the Committee, to provide for the acceleration of vesting and for settlement,
including cash payment of an award granted under the Plan, upon or immediately
before the effectiveness of such event. However, the granting of awards under
the Plan shall in no way affect the right of the Company to adjust, reclassify,
reorganize or otherwise change its capital or business structure, or to merge,
consolidate, dissolve, liquidate, sell or transfer all or any portion of its
businesses or assets.

     14. Plan Amendment. The Plan may be amended by the Committee as it deems
necessary or appropriate to better achieve the purposes of the Plan, except that
no such amendment shall be made without the approval of the Company's
stockholders which would increase the number of shares available for issuance in
accordance with Sections 5 and 6 of the Plan. The Board may suspend the Plan or
terminate the Plan at any time; provided, that no such action shall adversely
affect any outstanding benefit. Any shares authorized under Section 5 (or any
amendment thereof) with respect to which no Award is granted prior to
termination of the Plan, or with respect to which an Award is terminated,
forfeited or canceled after termination of the Plan, shall automatically be
transferred to any subsequent stock incentive plan or similar plan for employees
of the Company.

     15. Tax Withholding. The Company shall have the right to deduct from any
settlement of an award made under the Plan, including the delivery or vesting of
shares, a sufficient amount to cover withholding of any federal, state or
<PAGE>

local taxes required by law, or to take such other action as may be necessary to
satisfy any such withholding obligations. The Committee may, in its discretion
and subject to such rules as it may adopt, permit participants to use shares to
satisfy required tax withholding and such shares shall be valued at the Fair
Market Value as of the settlement date of the applicable award.

     16. Registration of Shares. Notwithstanding any other provision of the
Plan, the Company shall not be obligated to offer or sell any shares unless such
shares are at that time effectively registered or exempt from registration under
the Securities Act of 1933, as amended (the "Securities Act") and the offer and
sale of such shares are otherwise in compliance with all applicable federal and
state securities laws and the requirements of any stock exchange or similar
agency on which the Company's securities may then be listed or quoted. The
Company shall have no obligation to register the shares under the federal
securities laws or take any other steps as may be necessary to enable the shares
to be offered and sold under federal or other securities laws. Prior to
receiving shares a Plan participant may be required to furnish representations
or undertakings deemed appropriate by the Company to enable the offer and sale
of the shares or subsequent transfers of any interest in such shares to comply
with the Securities Act and other applicable securities laws. Certificates
evidencing shares shall bear any legend required by, or useful for the purposes
of compliance with, applicable securities laws, this Plan or award agreements.

     17. Other Benefit and Compensation Programs. Unless otherwise specifically
determined by the Committee, settlements of awards received by participants
under the Plan shall not be deemed a part of a participant's regular, recurring
compensation for purposes of calculating payments or benefits from any Company
benefit plan or severance program. Further, the Company may adopt other
compensation programs, plans or arrangements as it deems appropriate or
necessary.

     18. Unfunded Plan. Unless otherwise determined by the Committee, the Plan
shall be unfunded and shall not create (or be construed to create) a trust or a
separate fund or funds. The Plan shall not establish any fiduciary relationship
between the Company and any participant or other person. To the extent any
person holds any rights by virtue of an award granted under the Plan, such
rights shall be no greater than the rights of an unsecured general creditor of
the Company.

     19. Use of Proceeds. The cash proceeds received by the Company from the
issuance of shares pursuant to awards under the Plan shall constitute general
funds of the Company.

     20. Regulatory Approvals. The implementation of the Plan, the granting of
any award under the Plan, and the issuance of shares upon the exercise or
settlement of any award shall be subject to the Company's procurement of all
approvals and permits required by regulatory authorities having jurisdiction
over the Plan, the awards granted under it or the shares issued pursuant to it.

     21. Employment Rights. The Plan does not constitute a contract of
employment and participation in the Plan will not give a participant the right
to continue in the employ of the Company on a full-time, part-time or any other
basis.

Participation in the Plan will not give any participant any right or claim to
any benefit under the Plan, unless such right or claim has specifically accrued
under the terms of the Plan.

     22. Governing Law. The validity, construction and effect of the Plan and
any actions taken or relating to the Plan shall be determined in accordance with
the laws of the State of Illinois and applicable federal law.

     23. Successors and Assigns. The Plan shall be binding on all successors and
assigns of a participant, including, without limitation, the estate of such
participant and the executor, administrator or trustee of such estate, or any
receiver or trustee in bankruptcy or representative of the participant's
creditors.<PAGE>

                                                                     Exhibit 4.4

                      DIAMONDCLUSTER INTERNATIONAL, INC.
                          1998 Equity Incentive Plan

                      NON-PARTNER STOCK OPTION AGREEMENT
                      ----------------------------------

     WHEREAS, DiamondCluster International, Inc., a Delaware corporation (the
"Company"), has adopted the DiamondCluster International, Inc. 1998 Equity
Incentive Plan, as amended from time to time and incorporated herein (the
"Plan"), which provides for, among other things, the grant of qualified and/or
nonqualified stock options to employees of the Company as selected by the
Committee to purchase shares of $.001 par value common stock of the Company;

     WHEREAS, the individual designated on the attached "Notice of Grant of
Stock Options" (the "Optionee") has been selected by the Committee to receive an
Option in accordance with the provisions of the Plan; and

     WHEREAS, the parties hereto desire to evidence in writing the terms and
conditions of the Option.

     NOW, THEREFORE, in consideration of the foregoing and of the mutual
covenants and agreements herein contained and as an inducement to the Optionee
to begin employment with the Company or to continue as an employee of the
Company, the parties hereto hereby agree as follows:

     1.  Definitions.
         -----------

         All capitalized terms used herein shall have the same meanings as are
ascribed to them in the Plan, unless expressly provided otherwise in this
Agreement.

         "Agreement" means this Stock Option Agreement.

         "Committee" means the Company's Worldwide Operating Committee, as
     constituted from time to time, or any other committee appointed by the
     board of directors of the Company.

         "Date of Grant" means the date this Option is granted, as set forth in
     the Notice of Grant.

         "Disability" means any medically determinable physical or mental
     impairment which prevents the Optionee from engaging in any substantial
     gainful activity and which can be expected to result in death or which has
     lasted or can be expected to last for a continuous period of not less than
     12 months. Disability shall be determined by the Committee based upon
     medical reports and other evidence satisfactory to the Committee.

         "Employee" means an employee of the Company.
<PAGE>

          "Exercise Price" means the purchase price of the Option Shares, as set
     forth in the Notice of Grant.

          "Expiration Date" means the termination date of the Option, as set
     forth in the Notice of Grant.

          "Fair Market Value" means the average of the closing price of a share
     of Class A common stock on the NASDAQ National Market System for the ten
     trading days immediately preceding the Date of Grant.

          "Notice of Grant" means the "Notice of Grant of Stock Options"
     attached hereto and incorporated herein by reference.

          "Option" means the option to purchase shares of Stock evidenced by
     this Agreement and the Notice of Grant.

          "Option Shares" means the shares of Stock subject to the Option.

          "Stock" means the $.001 per share par value Class A or Class B common
     stock of the Company.

          "Vest Date" means the date upon which the Option becomes vested, as
     set forth in the Notice of Grant.

          "VSRA" means that certain Second Amended and Restated Voting and Stock
     Restriction Agreement dated as of the 4th day of August, 1997, among the
     Company and the stockholders of the Company, as amended from time to time.

     2.   Grant of Option.
          ---------------

     The Committee hereby awards to the Optionee this Option to purchase all or
any part of the Option Shares at the Exercise Price, on the terms and conditions
set forth herein and subject in all respects to the terms and provisions of the
Plan and the Notice of Grant, which terms and conditions are incorporated herein
by reference.

     3.   Restrictions on Transfer.
          ------------------------

     This Option may not be transferred, assigned, pledged or hypothecated in
any way and will not be subject to execution, attachment or similar process,
except by will or under the laws of descent and distribution.

     4.   Vesting of Option.
          -----------------

          (a)  This Option is exercisable only upon and after the Vest Date.

                                       2
<PAGE>

          (b) The Optionee's vesting rights herein are predicated upon the
     Optionee's continuous employment with the Company from the Date of Grant to
     the Vest Date. Except as provided below, no portion of this Option shall
     vest after the date the Optionee ceases to be an Employee for any reason,
     and any unvested portion of this Option in such case shall be canceled as
     of that date.

          (c) Notwithstanding anything to the contrary in this Agreement or the
     Notice of Grant, if the Optionee dies or suffers a Disability prior to a
     Vest Date, and the Optionee was an Employee at the time of such death or
     Disability, or if the Optionee retires (i) at or after age 62 or (ii) at or
     after age 50 and after accruing five years of service as a Partner of the
     Company, the unvested portion of this Option shall automatically vest on
     the date of such death, Disability or retirement.

     5.   When Option May Be Exercised.
          ----------------------------

          (a) Except as otherwise provided in this section, the vested portion
     of this Option shall be exercised, if at all, by the Optionee at any time
     before the Expiration Date.

          (b) If the Optionee ceases to be an Employee because of death, the
     Optionee's vested Options shall be exercised, if at all, by the person or
     entity (including the Optionee's estate) that has obtained the Optionee's
     rights under the Option by will or under the laws of descent and
     distribution, at any time before the Expiration Date.

          (c) If the Optionee ceases to be an Employee because of Disability,
     the Optionee's vested Options must be exercised, if at all, not later than
     twelve months following the date the Optionee ceases to be an Employee.

          (d) If the Optionee ceases to be an Employee for any reason other than
     death or Disability, the Optionee's vested Options must be exercised, if at
     all, not later than ninety (90) days following the date the Optionee ceases
     to be an Employee. Any unvested portion of this Option terminates
     immediately upon the cessation of employment of the Optionee.

          (e) The Committee shall have the discretion, exercisable at any time
     before a sale, merger, consolidation, reorganization, liquidation or change
     of control of the Company, as defined by the Committee, to provide for the
     acceleration of vesting and for settlement, including cash payment, of the
     Option upon or immediately before the effectiveness of such event.

          (f) Notwithstanding anything else in this Agreement to the contrary,
     in no event shall the Optionee exercise this Option until the Company,
     pursuant to the terms of it's Restated Certificate of Incorporation, has
     authorized for issuance the shares issuable upon exercise of this Option.

                                       3
<PAGE>

     6.   Exercise of Option.
          ------------------

          (a) During the Optionee's lifetime, this Option shall be exercisable
     only by the Optionee or his or her legal representative or guardian. In the
     event of the Optionee's death, this Option shall be exercisable by the
     person or entity (including the Optionee's estate) that has obtained the
     Optionee's rights under the Option by will or under the laws of descent and
     distribution.

          (b) This Option may be exercised by submitting to the Company: (1) a
     Notice of Exercise in the form attached hereto as Exhibit A, (2) any other
     written representations, covenants, and other undertakings that the Company
     may prescribe pursuant to the VSRA, the Equity Sales Program of the Partner
     Compensation Program, or any other source, or to satisfy securities laws
     and regulations or other requirements, and (3) a personal, certified or
     bank cashier's check payable to the order of the Company in an amount equal
     to the full purchase price of the Option Shares to be purchased.

          (c) Notwithstanding the foregoing, if permitted by the Committee,
     payment of such purchase price may be made in (i) previously owned whole
     shares of Stock (for which the Optionee has good title, free and clear of
     all liens and encumbrances), having a value determined by the closing price
     of a share of Stock on the NASDAQ National Market System (the "NASDAQ
     Price") on the date of exercise, the total amount being equal to the
     aggregate purchase price of the Option Shares to be purchased, (ii) by
     authorizing the Company to retain whole shares having a value determined by
     the NASDAQ Price on the date of exercise, the total amount being equal to
     the aggregate purchase price of the Option Shares to be purchased, which
     whole shares would otherwise be issuable upon exercise of the Option, (iii)
     in cash by a broker-dealer to whom the Optionee has submitted an
     irrevocable notice of exercise, or (iv) a combination of cash, (i) and
     (ii).

          (d) Upon consent of the Committee, the Optionee may elect to defer
     delivery of the Option Shares by notifying the Committee and acting in
     accordance with rules and procedures established by the Committee. Prior to
     delivery of the deferred Option Shares to the Optionee: (i) the Option
     Shares may not be sold, assigned, transferred, pledged or otherwise
     encumbered, other than by will or the laws of descent and distribution;
     (ii) the Optionee shall have none of the rights of a shareholder with
     respect to the Option Shares; and (iii) nothing contained in this Agreement
     shall give any rights to the Optionee that are greater than those of a
     general creditor of the Company.

     7.   Modification of Option.
          ----------------------

     At any time and from time to time the Committee may modify, extend or renew
this Option, provided that no such modification, extension or renewal shall
impair in any respect the benefit of the Option to the Optionee without the
consent of the Optionee.

                                       4
<PAGE>

     8.   Stockholder Rights.
          ------------------

     The Optionee shall have none of the rights of a stockholder with respect to
the Option Shares until: (i) the transfer of such shares to the Optionee has
been duly recorded on the stock transfer books of the Company upon the exercise
of the Option; and (ii) the Optionee shall execute and deliver to the Company,
in the form prescribed by the Company, either a counterpart of the VSRA or an
agreement under which the Optionee adopts and agrees to be bound by the VSRA.
The certificates representing the Option Shares purchased shall bear the legends
provided in the VSRA, the Partner Compensation Program, and other required
legends.

     9.   Incentive Stock Option.
          ----------------------

     If the Notice of Grant states that the Option is an incentive stock option,
this Option is intended to be and shall for all purposes be treated as an
incentive stock option under Section 422 of the Internal Revenue Code (the
"Code").  To the extent that the aggregate Fair Market Value (as of the Date of
Grant) of the Option Shares issuable under all Options (including this Option)
granted to an individual which are exercisable for the first time by such
individual during any calendar year exceeds $100,000, such Options shall be
treated as Options that are not "incentive stock options" under the Code.

     In the event that the Committee modifies the vesting of the Option or some
other action occurs which affects the tax-advantaged treatment of the Option,
negatively or positively, or the laws relating to the Option change, this Option
shall be treated as an incentive stock option, if so stated in the Notice of
Grant, to the maximum extent allowed by law.

     10.  Other Documents.
          ---------------

     The Optionee acknowledges receipt of copies of the Plan and the VSRA, and
agrees to all of the respective terms, conditions, restrictions and limitations
contained therein.

     11.  Continued Employment.
          --------------------

     The granting of this option is neither a contract nor a guarantee of
continued employment; employment is and always will be on an at will basis.  The
granting of this option is a one-time discretionary act and it does not impose
any obligations to offer future stock option grants or awards.

                                       5
<PAGE>

     12.  Personal Data.
          -------------

     In order to grant options to you, the Company may have had to and may
continue to process your personal data that it currently has on record and/or
data it may obtain from you in the future. Additionally, the Company may have
had to and may continue to transfer (electronically or otherwise) such personal
data to other DiamondCluster International, Inc. entities for processing in
connection with the granting of options. Such transfer of personal data may be
to other DiamondCluster International, Inc. entities outside of your country, in
particular to DiamondCluster International, Inc. in the United States, and where
necessary, may be further transferred to other DiamondCluster International,
Inc. subsidiaries or to outside service providers (such as brokers). Your
personal data will be treated as private and confidential and will only be used
to the extent necessary in relation to the option grant and to comply with any
applicable legal, regulatory, tax or accounting requirements.

     By signing this option agreement you are acknowledging receipt of this
notification and you are consenting to the processing and transfer of your
personal data as described above.  If you withhold your consent to the transfer
and processing of your personal data, the Company will not be able to grant you
the options.

     13.  Notices.
          -------

     All notices by one party to the other under this Agreement shall be in
writing.  Any notice under this Agreement to the Committee or to the Company
shall be addressed to the Company at Suite 3000, 875 N. Michigan Avenue,
Chicago, Illinois 60611, and any notice to the Optionee shall be addressed to
the Optionee at the address listed on the Notice of Grant.  If mailed by United
States mail, properly addressed and proper postage prepaid or if sent by
recognized overnight courier service, notice shall be effective on the date of
mailing or delivery to such courier.  If served personally, notice shall be
effective as of the date of delivery to the address of the party to whom the
notice is addressed.  If the effective date as provided above is not a business
day, the effective date shall be the next regular business day.  Either party
may at any time notify the other in writing of a new address for service of
notice upon that party.

     14.  Severability.
          ------------

     If any provision of this Agreement for any reason should be found by any
arbitrator or court of competent jurisdiction to be invalid, illegal or
unenforceable, in whole or in part, such declaration shall not affect the
validity, legality, or enforceability of any remaining provision or portion
hereof, which remaining provision or portion shall remain in full force and
effect as if this Agreement had been adopted with the invalid, illegal or
unenforceable provision or portion eliminated.

     15.  Agreed Forum.
          ------------

     All acts required to be performed by the Optionee hereunder shall be deemed
to be performed in Chicago, Cook County, Illinois, and the Optionee hereby
submits to the jurisdiction of any state or Federal court located in Chicago,
Illinois and waives any and all objections to the jurisdiction of such courts
and the venue of any action brought therein.

                                       6
<PAGE>

     16.  Arbitration.
          -----------

     In the event of a dispute relating to this Stock Option Agreement, the
parties agree to attempt in good faith to resolve the dispute among themselves.
If this is unsuccessful, the parties shall attempt to mutually agree on an
alternative dispute resolution mechanism.  If the parties cannot so agree on an
alternative dispute resolution mechanism, then the parties shall submit this
dispute to binding arbitration under the Commercial Rules of the American
Arbitration Association.  The parties shall each bear one-half (1/2) of the
costs of the alternative dispute resolution mechanism.

     In the event arbitration is chosen, each party shall select an arbitrator
of its choice within 20 days of the giving or receipt of notice of arbitration.
The two, in turn, shall choose a third presiding arbitrator.  If the two shall
be unable to agree upon the presiding arbitrators or if any party fails or
refuses to appoint an arbitrator, the appointing authority shall have the power
to make an appointment.

     The award of the arbitrators, which shall be in writing and furnished
within thirty days of the last day of the hearing, shall be final and binding
upon the parties and neither party shall appeal the award to any court.
Judgment for enforcement of the award of the arbitrators may be entered in any
court having jurisdiction thereof.  The parties acknowledge that this provision
and any award rendered pursuant to it shall be governed by the federal Uniform
Arbitration Act.

     17.  Equitable Relief.
          ----------------

     The Company shall be entitled to enforce the terms and provisions of this
Agreement by an action for injunction or specific performance or an action for
damages or all of them, or may be made the subject of the arbitration
proceedings described in the preceding section.

     18.  Applicable State Law.
          --------------------

     This Agreement shall be governed by and construed and enforced in
accordance with the laws of the State of Illinois.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the __________ day of __________________________________, 200_____.

OPTIONEE:                         THE COMPANY:

                                  DiamondCluster International,  Inc.

_____________________________     __________________________________
(Signature)                       Melvyn E. Bergstein
                                  Chairman and Chief Executive Officer

_____________________________
(Print Name)

                                       7
<PAGE>

                                   EXHIBIT A

                      DIAMONDCLUSTER INTERNATIONAL, INC.

                              NOTICE OF EXERCISE

     Reference is made to the Notice of Grant having a Date of Grant of
and the Non-Partner Stock Option Agreement, both as accepted by          (the
"Optionee"). Capitalized terms used herein and not otherwise defined have the
meanings assigned to such terms in the Non-Partner Stock Option Agreement.

The Optionee hereby irrevocably exercises the option for and purchases
_______________ shares of Stock.

The full purchase price for the shares of Stock being purchased hereunder,
calculated in accordance with the Notice of Grant and the Non-Partner Stock
Option Agreement, is $_______________, and the Optionee is delivering to
DiamondCluster International, Inc. (the "Company") simultaneously with the
delivery of this Notice of Exercise a personal, certified or bank cashier's
check payable to the order of the Company in such amount.

The shares of Stock being purchased hereunder are being acquired for the
Optionee's own account and not with a view to distribution thereof in violation
of applicable Federal or state securities laws.

The Optionee hereby agrees to be bound, with respect to the shares of Stock
being purchased hereunder, by the VSRA, and agrees to execute or adopt such VSRA
in the form as required by the Company, as a condition to receipt of the Stock.

The Optionee requests that certificates for the shares of Stock being purchased
hereunder be issued in the name of and delivered to  the following person and
address:

                        ______________________________
                        ______________________________
                        ______________________________

Dated as of:____________________          ______________________________
                                          (Signature)
                                          ______________________________
                                          (Name)

               (to be executed only upon exercise of the Option)

                                       8

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