Document:

<PAGE>

                                                                    EXHIBIT 10.4

                               SAPIENT CORPORATION
                             RESTRICTED STOCK UNITS
                                    AGREEMENT

      In recognition of the important contributions that ___________ (the
"Director") makes to the success of Sapient Corporation (the "Company") and its
Affiliates (together with the Company, the "Company Group") as a member of the
Company's Board of Directors, the Company hereby grants to the Director,
pursuant to the Sapient Corporation 1998 Stock Incentive Plan (the "Plan"), the
Restricted Stock Units Award described below.

1.    THE RESTRICTED STOCK UNITS AWARD. The Company hereby grants to the
      Director ________________ (________) Units, subject to the terms and
      conditions of this Agreement and the Plan. An Award shall be paid
      hereunder, only to the extent that such Award is Vested, as provided in
      this Agreement. The Director's rights to the Units are subject to the
      restrictions described in this Agreement and the Plan in addition to such
      other restrictions, if any, as may be imposed by law.

2.    DEFINITIONS. The following definitions will apply for purposes of this
      Agreement. Capitalized terms not defined in this Agreement are used as
      defined in the Plan.

      (a)   "Agreement" means this Restricted Stock Units Agreement granted by
            the Company and agreed to by the Director.

      (b)   "Award" means the grant of Units in accordance with this Agreement.

      (c)   "Change in Control" means the occurrence of any of the following
            events: (i) any "person", as such term is used in Sections 13(d) and
            14(d) of the Securities Exchange Act of 1934, as amended (the
            "Exchange Act") (other than the Company, Jerry A. Greenberg, J.
            Stuart Moore, any trustee or other fiduciary holding securities
            under an employee benefit plan of the Company, or any corporation
            owned directly or indirectly by the stockholders of the Company in
            substantially the same proportion as their ownership of stock of the
            Company), is or becomes the "beneficial owner" (as defined in Rule
            13d-3 under the Exchange Act), directly or indirectly, of securities
            of the Company representing 50% or more of the combined voting power
            of the Company's then outstanding securities; (ii) the stockholders
            of the Company approve a merger or consolidation of the Company with
            any other corporation, other than a merger or consolidation which
            would result in the voting securities of the Company outstanding
            immediately prior thereto continuing to represent (either by
            remaining outstanding or by being converted into voting securities
            of the surviving entity) more than 50% of the combined voting power
            of the voting securities of the Company or such surviving entity
            outstanding

<PAGE>

            immediately after such merger or consolidation; (iii) the
            stockholders of the Company approve a plan of complete liquidation
            of the Company or an agreement for the sale of disposition by the
            Company of all or substantially all of the Company's assets; or (iv)
            individuals who, on the date on which the Plan was adopted by the
            Board, constituted the Board of Directors of the Company, together
            with any new director whose election by the Board or nomination for
            election by the Company's stockholders was approved by a vote of at
            least a majority of the directors then still in office who were
            directors on the date on which the Plan was adopted by the Board or
            whose election or nomination was previously so approved, cease for
            any reason to constitute at least a majority of the Board of
            Directors.

      (d)   "Common Stock" means common stock of the Company, .01 par value.

      (e)   "Grant Date" means ________ __, 200 _.

      (f)   "Fair Market Value" means the average trading price of the Common
            Stock over the twenty trading days prior to the Valuation Date,
            based on the closing price on each such day. For this purpose, the
            "closing price" of the Common Stock on any trading day will be the
            last sale price with respect to such Common Stock reported on the
            NASDAQ, or, if on any such date such Common Stock is not quoted by
            NASDAQ, the average of the closing bid and asked prices with respect
            to such Common Stock, as furnished by a professional market maker
            making a market in such Common Stock selected by the Company in good
            faith; or, if no such market maker is available, the fair market
            value of such Common Stock as of such day as determined in good
            faith by the Company.

      (g)   "NASDAQ" means the Nasdaq Stock Market.

      (h)   "Payment Date" means, as to Vested Units, within 30 days of the date
            on which the Units become Vested, except that in connection with a
            Change in Control, the Payment Date shall mean immediately prior to
            or coincident with the occurrence of the Change in Control.

      (i)   "Unit" means a notional unit which is equivalent to a single share
            of Common Stock on the Grant Date, subject to Section 4.

      (j)   "Valuation Date" means the date on which the Fair Market Value of
            the Common Stock is to be determined.

      (k)   "Vested" means that portion of the Award to which the Director has a
            nonforfeitable right.

      (l)   "Vesting Dates" means the dates set forth in Section 3.

                                                                             -2-
<PAGE>

3.    VESTING.

      (a)   An Award shall become Vested only upon the Vesting Dates described
            in this Section 3, except as otherwise provided herein or determined
            by the Company in its sole discretion. No portion of any Award shall
            become Vested on the Vesting Date unless the Director is then, and
            since the Grant Date has continuously been, a Director of the
            Company.

      (b)   Subject to subsections (c), (d) and (e), below, an Award shall
            become Vested based on the following schedule.

<TABLE>
<CAPTION>
VESTING DATE                               PERCENTAGE VESTED ON ANNIVERSARY DATE
<S>                                        <C>
First Anniversary of Grant Date            100%
</TABLE>

      (c)   Upon the occurrence of a Change in Control, an Award shall become
            100% Vested, such shares to be distributed immediately prior to or
            coincident with the Change in Control.

      (d)   Notwithstanding Section 3(b), if the service of the Director
            terminates by reason of death or disability (within the meaning of
            Section 22(e)(3) of the Internal Revenue Code), the length of the
            Director's service shall be deemed to be six months longer than the
            actual length; provided, however, that in no event shall such deemed
            time extension serve to increase the number of Vested shares to more
            than the number of shares of Common Stock as equals that number of
            Units which have been awarded hereunder.

      (e)   Notwithstanding Section 3(b), in the event that the Director has
            completed the full term of service as a Director for which he or she
            was elected at an Annual Meeting of Stockholders of the Company, but
            is not standing for re-election to a subsequent term as a Director
            at the Annual Meeting of Stockholders of the Company at which he or
            she would otherwise have been re-elected (the "Retirement Meeting"),
            all Award shares which are scheduled to vest subsequent to the
            Retirement Meeting but within the same fiscal quarter in which the
            Retirement Meeting is held shall become Vested shares as of the date
            immediately preceding such Retirement Meeting; provided, however,
            that in no event shall such deemed time extension serve to increase
            the number of Vested Shares to more than the number of shares of
            Common Stock as equals that number of Units which have been awarded
            hereunder.

      (f)   In the event that the Director's tenure as a member of the Company's
            Board of Directors terminates prior to a Vesting Date for any reason
            other than as set forth in this Section 3, including without
            limitation termination by the Company or the

                                                                             -3-
<PAGE>

            Company Group, any portion of the Award that has not then become
            Vested will be forfeited automatically.

4.    ADJUSTMENTS BASED ON CERTAIN CHANGES IN THE COMMON STOCK. In the event of
      any stock split, reverse stock split, stock dividend, recapitalization or
      similar change affecting the Common Stock, the Award shall be equitably
      adjusted.

5.    NO VOTING RIGHTS/DIVIDENDS. The Award shall not be interpreted to bestow
      upon the Director any equity interest or ownership in the Company Group
      prior to the Payment Date. The Director is not entitled to vote any Common
      Stock by reason of the granting of this Award or to receive or be credited
      with any dividends declared and payable on any Common Stock underlying any
      Award prior to any Payment Date.

6.    PAYMENT OF AWARD. On the Payment Date, the Company shall issue to the
      Director that number of shares of Common Stock as equals that number of
      Units which have become Vested.

7.    UNFUNDED STATUS. The obligations of the Company Group hereunder shall be
      contractual only. The Director shall rely solely on the unsecured promise
      of the Company and nothing herein shall be construed to give the Director
      or any other person or persons any right, title, interest or claim in or
      to any specific asset, fund, reserve, account or property of any kind
      whatsoever owned by the Company Group.

8.    NO ASSIGNMENT. No right or benefit or payment under the Plan shall be
      subject to assignment or other transfer nor shall it be liable or subject
      in any manner to attachment, garnishment or execution.

9.    WITHHOLDING. The Company's obligation to deliver to the Director shares of
      Common Stock under an Award shall be subject to the satisfaction of all
      applicable federal, state and local income tax withholding requirements as
      determined by the Company Group ("Withholding Taxes"). To satisfy any
      Withholding Taxes, if any, due upon vesting of the Director's Units, the
      Director agrees to pay to the Company, or make provision satisfactory to
      the Company for payment of, any Withholding Taxes, no later than the
      Payment Date. The Company and any Affiliate may, to the extent permitted
      by law, deduct any such tax obligations from any payment of any kind due
      to the Director. Such withheld amounts shall include shares retained from
      the Award creating the tax obligation, valued at their Fair Market Value
      on the date of retention.

      Further, as a condition of receiving any Vested Award, the Director hereby
      agrees to the terms of the Irrevocable Standing Order to Sell Shares (the
      "Standing Order"), attached as Exhibit A. Pursuant to the Standing Order,
      and in lieu of taking the actions described in the immediately preceding
      paragraph of this Section 9, the Company, in its sole discretion, may
      require, and, in such event the Director agrees, to the following:

                                                                             -4-
<PAGE>

            (a) The Director authorizes the Company's agent to sell, at the
            market price and on each Vesting Date (or the first NASDAQ trading
            day thereafter if a Vesting Date is a day in which NASDAQ is
            closed), the number of Vested Shares that, per the Company's
            instructions to its agent, is necessary to obtain proceeds
            sufficient to satisfy the Withholding Taxes. The Director
            understands and agrees that the number of shares that such agent
            will sell will be based on the closing price of the Common Stock on
            the NASDAQ trading day immediately preceding the Vesting Date.

            (b) The Director agrees that the proceeds received from the sale of
            Vested Shares pursuant to this Section 9 will be used to satisfy the
            Withholding Taxes and, accordingly, the Director hereby authorizes
            the Company's agent to pay such proceeds to the Company for such
            purpose. The Director understands that to the extent that the
            proceeds obtained by such sale exceed the amount necessary to
            satisfy the Withholding Taxes, such excess proceeds shall be
            deposited into the Director's stock brokerage account with E*TRADE
            Financial or such other third party brokerage under which the
            Director maintains a brokerage account (the "Account"). The Director
            further understands that any remaining Vested Shares shall be
            deposited into the Account.

            (c) The Director acknowledges and agrees that, in the event that a
            market in the Common Stock does not exist, the Director shall pay to
            the Company amounts sufficient to pay the Withholding Taxes and, to
            the extent that such payment is not made, the Company shall have the
            right to make other arrangements to satisfy the Withholding Taxes
            due upon the vesting of the Director's Shares.

10.   AMENDMENT OR TERMINATION. This Agreement may be amended by mutual written
      agreement of the parties.

11.   GOVERNING LAW. This Agreement shall be governed by, and construed in
      accordance with, the laws of the Commonwealth of Massachusetts.

                                                                             -5-
<PAGE>

      IN WITNESS WHEREOF, Sapient Corporation and ______________________ have
executed this Restricted Stock Units Agreement as of the ____ day of
___________, 200___.

SAPIENT CORPORATION                              DIRECTOR

__________________________________               ________________________
By:     Jane E. Owens
Title:  Sr. Vice President and General Counsel

                                                                             -6-
<PAGE>

                                                                       EXHIBIT A

                    IRREVOCABLE STANDING ORDER TO SELL SHARES

I have received from the Company on a voluntary basis the right to acquire
shares of Company common stock (the "Shares") pursuant to the attached
Restricted Stock Units Agreement between the Company and me.

I understand that I must maintain a securities brokerage account with
E*TRADE Financial or such other third party brokerage (each of E*TRADE Financial
or such other third party brokerage is herein defined as the "Broker") to
participate in the stock unit plan described in detail in the Restricted Stock
Units Agreement, and the Company has informed me about this requirement as well
as the requirements for the opening of such a securities brokerage account so
that the vested Shares can be deposited into account. Furthermore, I understand
that on each vesting date, the vested Shares will be deposited into my stock
brokerage account with the broker and that I will incur taxable ordinary income
("Taxable Income") upon my receipt of the vested Shares. Per the terms of the
Agreement, and if so directed by the Company, I understand and agree to do the
following as a condition of my receipt of vested Shares:

      Upon each vesting date, I must sell a number of Shares that is sufficient
      to satisfy all withholding taxes, as determined by Sapient, which are
      applicable to my Taxable Income (the "Withholding Taxes"). Accordingly, I
      HEREBY DIRECT THE BROKER TO SELL, ON EACH VESTING DATE LISTED ABOVE (OR
      THE FIRST NASDAQ TRADING DAY THEREAFTER IF A VESTING DATE IS A DAY ON
      WHICH NASDAQ IS CLOSED), THAT NUMBER OF SHARES THAT, PER THE COMPANY'S
      INSTRUCTIONS TO THE AGENT, IS SUFFICIENT TO OBTAIN SALE PROCEEDS
      SUFFICIENT TO SATISFY THE WITHHOLDING TAXES. THE PER SHARE SALES PRICE
      SHALL BE CALCULATED BASED ON THE CLOSING PRICE OF A SHARE OF COMPANY
      COMMON STOCK ON THE NASDAQ TRADING DAY IMMEDIATELY PRECEDING THE
      APPLICABLE VESTING DATE.

I understand that the Broker will remit the proceeds of the foregoing sale
promptly to the Company for payment by the Company of the Withholding Taxes, and
I authorize and direct the Broker to pay such proceeds to the Company for this
purpose.

I acknowledge that I have not been induced to participate in any trade in return
for or as an expectation of employment or continued employment. I understand and
agree that by signing below, I am making an Irrevocable Standing Order to Sell
Shares that will remain in effect until such time as I have received all Shares
to which I am entitled under this Agreement. I also agree that this Irrevocable
Standing Order to Sell Shares is in addition and subject to the terms and
conditions of any existing Account Agreement that I have with the Broker.

                                                                             -7-<PAGE>
                                                                   Exhibit 10.1

July 12, 2006

BY EMAIL

Mr. Scott Krenz
826 W. Illinois Avenue
Palatine IL 60067

Dear Scott:

This letter will describe our mutual understanding regarding the termination of
your employment with Sapient Corporation ("Sapient" or the "Company").

Although the Company relieved you of your duties as Chief Financial Officer,
effective on May 11, 2006, you will remain a Sapient employee until August 10,
2006, or (if earlier) until you begin full-time employment with a third party
(the earlier of these dates being referred to as the "Exit Date"). You will
continue to receive your base salary and will remain eligible for Company
benefits until the Exit Date. In return, until the Exit Date you will make
yourself available to the Company for consultation and help in transitioning
your former job duties.

Additionally, you agree that, after the Exit Date and as may be reasonably
requested by the Company you will assist the Company in consultations,
interviews, meetings, depositions, court appearances, administrative agency
proceedings and other matters that pertain to any actual or potential audit,
investigation, litigation or other dispute in which Sapient is (or may become) a
party and in which you are (or may become) an actual or potential deponent or
witness (collectively, referred to as "Dispute Proceedings").

Sapient will make reasonable efforts to accommodate your schedule and geographic
location in seeking your participation in Dispute Proceedings and will reimburse
you for any related reasonable expenses. In making these efforts, Sapient will
act in good faith and attempt to avoid major disruptions to your ability to
perform full-time employment duties that you may then have. Based on our mutual
understanding (as set forth in the paragraph above) that the Company can only
require your assistance in situations where you are (or may become) an actual or
potential deponent or witness in the Dispute Proceeding, you agree that the
Company will not be obligated to pay your further compensation in connection
with your participation. If the Company would like your assistance in any other
situation involving a Dispute Proceeding, you will have no obligation to agree.

RETURN OF SAPIENT PROPERTY

On or before the Exit Date, you will return all Sapient property (including
building and office access cards, credit and calling cards, laptop computers and
accessories and all other property belonging to the Company or its clients), as
well as all correspondence, files and confidential or proprietary information
(whether in hard or soft form) that pertain to the Company or its clients.

                                   Page 1 of 7

<PAGE>

FINAL PAY AND EXPENSE REIMBURSEMENT

Any outstanding balances you owe to the Company (for the Java Bean, commuter
passes, etc.) will be deducted from your last paycheck. Please note that your
last regular paycheck will be a "live" check, and will not be directly
deposited into your account, but will, instead, be given to you at the time of
separation or mailed to your home address.

On or before the Exit Date, you will submit any outstanding expense reports
(along with required receipts) to your manager. Approved expense reports will
be processed and reimbursement check(s) will be mailed to your home address in
accordance with Sapient's standard expense reimbursement policy.

COBRA BENEFITS CONTINUATION

After your employment terminates, you will have the right to continue your
medical and dental insurance pursuant to the provisions of the Consolidated
Omnibus Budget Reconciliation Act of 1985 ("COBRA"). The COBRA "qualifying
event" will be deemed to have occurred on the Exit Date. If you plan to continue
your COBRA option, Group Dynamic will send you a COBRA package that will
explain what the COBRA benefit is, how to elect this coverage and what it will
cost you to continue your benefits under COBRA. If you do not receive this
package within 30 days from your termination of insurance coverage date, please
call Group Dynamic at 800-626-3539. If you do not elect COBRA, your coverage
under Sapient's medical and dental insurance for you (and, if applicable, your
dependent(s)) will end on the last day of the month in which the Exit Date
occurs.

STOCK OPTIONS AND RESTRICTED STOCK UNITS ("RSUs")

Your equity account with E*Trade will remain active following the end of your
employment in accordance with E*Trade's policies. (These policies currently
permit your account to remain active as long as you have Sapient shares in your
account.) You will receive a packet of information from E*Trade at your home
address within 30 days of the Exit Date. The packet will include a statement of
your exercisable options and vested RSUs, as well as relevant date and exercise
information. If you do not receive this packet within 30 days, please contact
E*Trade at 1-888-680-2132.

Pursuant to Sapient's equity incentive plans and your Sapient Stock Option
Agreement(s), you have three months from the Exit Date to exercise any options
that were exercisable as of your last day of employment. All such options that
you do not exercise within that three-month period automatically terminate. All
of your unvested RSUs will be cancelled upon the Exit Date.
<PAGE>
EMPLOYEE STOCK PURCHASE PLAN ("ESPP") AND 401(k) PLAN

If you participate in the Company's ESPP, the money held in your ESPP account
will be paid to you with your last paycheck. If you participate in the Sapient
401(k) Plan and you have a vested account balance of $1,000 or more, you may
either keep your vested balance in the Sapient Plan or request to have the
entire vested balance paid out to you or rolled over into another plan. [Note:
If your vested 401(k) account balance is under $1,000, you must request a
roll-over or distribution within 90 days of the Exit Date. Otherwise, the
balance will automatically be paid out to you and you will be subject to
penalties and tax withholdings for early distribution.] If you currently have a
401(k) loan outstanding, you will be able to continue paying off your 401(k)
loan directly to Fidelity. Fidelity will send you a loan coupon book within 30
days of the Exit Date that allows you to remit loan repayments. If you wish to
transfer your funds, please visit the Fidelity Web site at www.401k.com and
follow the instructions there to complete the transfer. If you have questions
related to your 401(k) Plan, please contact Fidelity at 1-800-890-4015.

ADDRESS CHANGES

If your address changes at any time between now and the end of the calendar
year, please notify Sapient's Payroll office at payroll@sapient.com. This
notification will help to ensure receipt of your W-2 in a timely manner at
year-end.

UNEMPLOYMENT COMPENSATION

Enclosed is a brochure explaining the process by which you may apply for
unemployment compensation benefits. Please note that receipt of this brochure
does not mean you will be eligible for such benefits.

CONTINUING NDA OBLIGATIONS

You are reminded of your continuing obligations to Sapient included in your
agreement regarding non-disclosure, non-solicitation, and non-competition (the
"NDA"). Sapient will provide you with an additional copy of your NDA, upon
request.

RELEASE OF CLAIMS

In consideration of the payments and other accommodations provided to you
hereunder, and by virtue of your signing this letter agreement, you hereby
knowingly and voluntarily release and forever discharge Sapient and its
officers, directors, stockholders, corporate affiliates, attorneys, agents and
employees (collectively, "Sapient Affiliates") of and from any and all claims,
known and unknown, you have or may have against Sapient or any Sapient Affiliate
as of the date of execution of this letter agreement (including, but not limited
to, any alleged violation of: Title VII of the Civil Rights Act of 1964, as
amended; the Civil Rights Act of 1991; Section 1981 through 1988 of Title 42 of
the United States Code, as amended; the Employee Retirement

                                  Page 3 of 7
<PAGE>
Income Security Act of 1974, as amended; the Immigration Reform and Control
Act, as amended; the Americans with Disabilities Act of 1990, as amended; the
Worker Adjustment and Retraining Notification Act, as amended; the Occupational
Safety and Health Act, as amended; the Age Discrimination in Employment Act, as
amended; any federal, state or local civil or human rights law similar to those
included in the foregoing list; any other federal, state or local law,
regulation or ordinance; and any public policy, contract, tort or common law)
and any allegation for costs, fees or other expenses (including attorneys' fees)
incurred in these matters.

You affirm that you have not filed (or caused to be filed), nor are you a party
to, any claim, complaint or action, in any form, against Sapient or any Sapient
Affiliate. You further affirm that, through the period ending on the date of
this letter, you have received all leave (paid or unpaid), compensation, wages,
bonuses, commissions and benefits (collectively, "Compensation & Benefits") to
which you are entitled and that no other Compensation & Benefits are due to
you, except as provided in this letter agreement.

In addition, as a condition to receiving the benefits detailed in this letter
agreement, you agree to execute, as of the Exit Date, the Supplemental Release
of Claims attached hereto as Exhibit A (the "Supplemental Release").

AGE DISCRIMINATION IN EMPLOYMENT ACT: CONSIDERATION AND REVOCATION PERIODS

Please note that you have 21 days to consider the arrangements detailed in this
letter agreement and seven days to revoke your agreement to this letter
agreement after you have signed it. The terms described in this letter
agreement will not become effective until you sign and return it, and until the
seven-day revocation period expires. [Note: If the last day of the revocation
period is a Saturday, Sunday or legal holiday in the state in which you were
employed on the Exit Date, then such period will not expire until the next
following day which is not a Saturday, Sunday or legal holiday.]

If you do not sign and return a copy of this letter agreement within such
21-day period (or if you revoke same within seven days after signing), then your
employment termination will be effective immediately upon the expiration of
such 21-day period (or upon such revocation) and you will not have the right to
receive any of the benefits described in this letter agreement.

Any revocation must be submitted, in writing, to Seanna Balfe, Legal Counsel
and state substantially the following: "I hereby revoke my acceptance of our
letter agreement signed by me on [insert date] regarding the termination of my
employment." The revocation must be personally delivered to Ms. Balfe or sent
to her by other means for which you are able to produce written evidence of
receipt within such seven-day period by the Company (e.g. by means of certified
or registered mail, courier receipt, fax transmission cover sheet, e-mail
"delivery receipt," etc.). Ms. Balfe's address and notification information
follow: Sapient Corporation, 25 First Street, Cambridge, MA 02141 [fax:
617-621-1300; e-mail:sbalfe@sapient.com).

                              Page 4 of 7
<PAGE>
Please note that the release granted by you above in this letter agreement
applies, without limitation, to any rights or claims you may have under the Age
Discrimination in Employment Act, as amended (the "ADEA"), as well as any other
claims. You acknowledge that you have been given 21 days to consider this letter
agreement and such release. Sapient urges you to use as much of the time
afforded as you deem necessary, not only to consider this letter agreement and
the release contained herein, but also to consult with an attorney prior to
signing.

Consistent with the provisions of the ADEA and other federal discrimination
laws, nothing in this release will be deemed to prohibit you from challenging
the validity of this release under the federal age or other discrimination laws
(collectively with the ADEA, the "Federal Discrimination Laws") or from filing a
charge or complaint of age or other employment-related discrimination with the
Equal Employment Opportunities Commission (the "EBOC"), or from participating in
any investigation or proceeding conducted by the EBOC.

Further, nothing in this letter agreement or the release contained herein shall
be deemed to limit the Company's right to seek immediate dismissal of such
charge or complaint, on the basis that your signing of this letter agreement
constitutes a full release of any individual rights under the Federal
Discrimination Laws, nor the Company's right, to the extent permitted by law, to
seek restitution of the economic benefits provided to you under this letter
agreement, in the event that you successfully challenge the validity of this
release and prevail in any claim under the Federal Discrimination Laws.

You represent that you have carefully read this letter agreement, understand its
contents, are signing it freely and voluntarily and assent to all of the terms
and conditions hereof.

OTHER TERMS

You agree to keep the facts and terms described in this letter agreement
confidential and not to disclose any information concerning your termination,
except to the extent required by law. Additionally, you agree that you will not
disparage Sapient or any Sapient Affiliates to any third party.

The Company will cooperate in providing any of your prospective employers with
an appropriate reference regarding your employment at Sapient.

This letter agreement is governed by the laws of the Commonwealth of
Massachusetts, without regard to its conflict of law provisions. Should any
provision of this letter agreement (excluding the release language) be declared
illegal or unenforceable by any court of competent jurisdiction and cannot be
modified so as to be legal and enforceable, such provision shall immediately
become null and void, leaving the remainder or this letter agreement in full
force and effect.

                                  Page 5 of 7
<PAGE>
The parties agree that neither this letter agreement, nor the furnishing of
this consideration for this release shall be designed or construed at any
time for any purpose as an admission by either party of any liability or
unlawful conduct of any kind.

This letter agreement may not be modified, altered or changed except upon both
parties' express written consent, in which specific reference is made to this
letter agreement.

This letter agreement sets forth the entire agreement between the parties and
supercedes any prior agreements or understandings between the parties (except
your NDA, as referenced above).

We wish you the best in your future endeavors.

Sincerely

/s/ Jerry A. Greenberg
-----------------------------------
Jerry A. Greenberg, Co-Chairman & Chief Executive Officer

ACCEPTED AND AGREED TO:

/s/ Scott Krenz
-----------------------------------
Scott Krenz

DATE: August 10, 2006

Enclosures

                                       Page 6 of 7
<PAGE>

                                                                       EXHIBIT A

                         SUPPLEMENTAL RELEASE OF CLAIMS

In consideration of the covenants set forth in my agreement with Sapient
Corporation ("Sapient" or the "Company") dated July 12, 2006, regarding the
termination of my Sapient employment (the "Letter Agreement") and, more
particularly, the payments and other benefits provided to me thereunder, and for
other good and valuable consideration, I, Scott Krenz, hereby knowingly and
voluntarily allow, on and as of the final day of my employment with the
Company (my "Exit Dates") and to the fullest extent set forth in the Letter
Agreement:

     1. My release and discharge of any and all claims, known and unknown, that
        I have or may have against Sapient and any and all of its officers,
        directors, stockholders, corporate affiliates, attorneys, agents and
        employees (collectively, "Sapient Affiliates"); and

     2. All of the representations, warranties and covenants made by and
        under the Letter Agreement in relation to such release and discharge.

/s/ Scott Krenz

Date:  August 10, 2006
       __________________________
       [Insert Exit Date above]

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