Document:

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                                  EXHIBIT 10.9

                                 USG CORPORATION

                       NONQUALIFIED STOCK OPTION AGREEMENT

                         DATE OF GRANT: _______________

     WHEREAS, _________________ (the "Optionee") is an employee of USG
Corporation (the "Company") or a Subsidiary;

     WHEREAS, the Board of Directors of the Company (the "Board") has granted to
the Optionee, effective as of ___________, 20__ (the "Date of Grant"), an
Option Right (the "Option") pursuant to the Company's Long-Term Incentive Plan,
as amended (the "Plan") to purchase _________ Common Shares of the Company at a
price of $______ per share, which represents the Market Value per Share on the
Date of Grant (the "Option Price"), subject to the terms and conditions of the
Plan and the terms and conditions hereinafter set forth;

     WHEREAS, the execution of a Nonqualified Stock Option Agreement
substantially in the form hereof to evidence the Option has been authorized by a
resolution of the Board; and

     WHEREAS, the Option is intended as a nonqualified stock option and shall
not be treated as an "incentive stock option" within the meaning of that term
under Section 422 of the Internal Revenue Code of 1986, as amended.

     NOW, THEREFORE, the Company and the Optionee agree as follows:

1.   RIGHT TO EXERCISE.

     (a)  Subject to Sections 1(b) and (c), Section 3 and Section 5 below, the
          Option will become exercisable to the extent of twenty percent (20%)
          of the total number of Common Shares underlying the Option on each of
          the first five anniversaries of the Date of Grant if the Optionee
          remains continuously employed until such time. To the extent the
          Option is exercisable, it may be exercised in whole or in part.

     (b)  Notwithstanding Section 1(a) above, the Option shall become
          immediately exercisable in full, if at any time prior to the
          termination of the Option, a Change in Control shall occur.

     (c)  Notwithstanding Section 1(a) above:

          (i)  If the Optionee should die or become permanently and totally
               disabled while in the employ of the Company or any Subsidiary,
               this Option shall immediately become exercisable in full and
               shall remain exercisable until terminated in accordance with
               Section 3 below.

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          (ii) If, following January 1, 2007, the Optionee should retire under a
               retirement plan (including, without limitation, any supplemental
               retirement plan) of the Company or any Subsidiary at or after the
               earliest voluntary retirement age provided for in any such
               retirement plan ("Retirement"), one-half of the unexercisable
               portion of this Option at the time of such Retirement shall
               continue to become exercisable pursuant to the original vesting
               schedule and shall remain exercisable until terminated in
               accordance with Section 3 below. The remaining one-half of the
               unexercisable portion of the Option at the time of Retirement
               shall be immediately forfeited and of no further force or effect.

2.   PAYMENT. The Option Price shall be payable (a) in cash or by check
     acceptable to the Company, (b) by actual or constructive transfer to the
     Company of nonforfeitable, unrestricted Common Shares that have been owned
     by the Optionee for more than six (6) months prior to the date of exercise,
     or (c) by a combination of such methods of payment. The requirement of
     payment in cash shall be deemed satisfied if the Optionee shall have made
     arrangements satisfactory to the Company with a bank or a broker who is a
     member of the National Association of Securities Dealers, Inc. to sell on
     the exercise date a sufficient number of the shares being purchased so that
     the net proceeds of the sale transaction will at least equal the Option
     Price plus payment of any applicable withholding taxes and pursuant to
     which the bank or broker undertakes to deliver the full Option Price plus
     payment of any applicable withholding taxes to the Company on a date
     satisfactory to the Company, but not later than the date on which the sale
     transaction will settle in the ordinary course of business.

3.   TERMINATION. This Option shall terminate on the earliest of the following
     dates:

     (a)  Six (6) months after the Optionee ceases to be an employee of the
          Company or a Subsidiary, unless the Optionee ceases to be such
          employee by reason of death, permanent and total disability or
          Retirement;

     (b)  One (1) year after the death of the Optionee if the Optionee dies
          while an employee of the Company or a Subsidiary (in which case the
          Option becomes immediately exercisable in full pursuant to Section
          1(c) herein), or if the same occurs within the six (6) month period
          referred to in subsection (a) hereof;

     (c)  Three (3) years after the permanent and total disability of the
          Optionee if the Optionee becomes permanently and totally disabled
          while an employee of the Company or a Subsidiary (in which case the
          Option becomes immediately exercisable in full pursuant to Section
          1(c) herein), or if the same occurs within the six (6) month period
          referred to in subsection (a) hereof;

     (d)  Five (5) years after the Retirement of the Optionee; and

     (e)  Ten (10) years from the Date of Grant.

4.   OPTION NONTRANSFERABLE. This Option is not transferable by the Optionee
     otherwise than by will or the laws of descent and distribution.

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5.   COMPLIANCE WITH LAW. This Option shall not be exercisable if such exercise
     would involve a violation of any applicable federal, state or other
     securities law.

6.   ADJUSTMENTS. The Board (or a committee of the Board) shall make such
     adjustments in the Option Price and in the number or kind of Common Shares
     or other securities covered by this Option as the Board (or a committee of
     the Board) in its sole discretion, exercised in good faith, may determine
     is equitably required to prevent dilution or enlargement of the rights of
     the Optionee that otherwise would result from (a) any stock dividend,
     extraordinary dividend, stock split, combination of shares,
     recapitalization or other change in the capital structure of the Company,
     or (b) any Change in Control, merger, consolidation, spin-off, split-off,
     spin-out, split-up, reorganization or partial or complete liquidation, or
     other distribution of assets, issuance of rights or warrants to purchase
     securities, or (c) any other corporate transaction or event having an
     effect similar to any of the foregoing. Moreover, in the event of any such
     transaction or event, the Board (or a committee of the Board), in its
     discretion, may provide in substitution for any or all of the Option Rights
     provided for herein such alternative consideration as it may determine to
     be equitable in the circumstances.

7.   TAXES AND WITHHOLDING. If the Company shall be required to withhold any
     federal, state, local or foreign tax in connection with exercise of this
     Option, it shall be a condition to such exercise that the Optionee pay or
     make provision satisfactory to the Company for payment of all such taxes.
     The Optionee may elect that all or any part of such withholding requirement
     be satisfied by retention by the Company of a portion of the shares
     purchased upon exercise of this Option. If such election is made, the
     shares so retained shall be credited against such withholding requirement
     at the Market Value per Share on the date of exercise. In no event,
     however, shall the Company accept Common Shares for payment of taxes in
     excess of required tax withholding rates.

8.   CONTINUOUS EMPLOYMENT. For purposes of this Agreement, the continuous
     employment of the Optionee with the Company or a Subsidiary shall not be
     deemed to have been interrupted, and the Optionee shall not be deemed to
     have ceased to be an employee of the Company or Subsidiary, by reason of
     the (i) transfer of the Optionee's employment among the Company and its
     Subsidiaries or (ii) an approved leave of absence.

9.   NO EMPLOYMENT CONTRACT. This Option is a voluntary, discretionary award
     being made on a one-time basis and it does not constitute a commitment to
     make any future awards. This Option and any payments made hereunder will
     not be considered salary or other compensation for purposes of any
     severance pay or similar allowance, except as otherwise required by law.
     Nothing in this Agreement will give the Optionee any right to continue
     employment with the Company or any Subsidiary, as the case may be, or
     interfere in any way with the right of the Company or a Subsidiary to
     terminate the employment of the Optionee.

10.  INFORMATION. Information about the Optionee and the Optionee's
     participation in the Plan may be collected, recorded and held, used and
     disclosed for any purpose related to the administration of the Plan. The
     Optionee understands that such processing of this information may need to
     be carried out by the Company and its Subsidiaries and by third

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     party administrators whether such persons are located within the Optionee's
     country or elsewhere, including the United States of America. The Optionee
     consents to the processing of information relating to the Optionee and the
     Optionee's participation in the Plan in any one or more of the ways
     referred to above.

11.  RELATION TO PLAN. This Agreement is subject to the terms and conditions of
     the Plan. In the event of any inconsistency between the provisions of this
     Agreement and the Plan, the Plan shall govern. All terms used herein with
     initial capital letters and not otherwise defined herein that are defined
     in the Plan shall have the meanings assigned to them in the Plan. The Board
     (or a committee of the Board) acting pursuant to the Plan, as constituted
     from time to time, shall, except as expressly provided otherwise herein,
     have the right to determine any questions which arise in connection with
     the grant of the Option hereunder.

12.  AMENDMENTS. Any amendment to the Plan shall be deemed to be an amendment to
     this Agreement to the extent that the amendment is applicable hereto;
     provided, however, that no amendment shall adversely affect the rights of
     the Optionee under this Agreement without the Optionee's consent.

13.  SEVERABILITY. If any provision of this Agreement or the application of any
     provision hereof to any person or circumstances is held invalid,
     unenforceable or otherwise illegal, the remainder of this Agreement and the
     application of such provision to any other person or circumstances shall
     not be affected, and the provisions so held to be invalid, unenforceable or
     otherwise illegal shall be reformed to the extent (and only to the extent)
     necessary to make it enforceable, valid and legal.

14.  SUCCESSORS AND ASSIGNS. Without limiting Section 4 hereof, the provisions
     of this Agreement shall inure to the benefit of, and be binding upon, the
     successors, administrators, heirs, legal representatives and assigns of the
     Optionee, and the successors and assigns of the Company.

15.  GOVERNING LAW. This Agreement shall be governed by and construed in
     accordance with the internal substantive laws of the State of Delaware,
     without giving effect to any principle of law that would result in the
     application of the law of any other jurisdiction.

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     Executed in the name and on behalf of the Company at______________________,
___________________, as of the ______ day of __________, 20__.

                                        USG CORPORATION

                                        ----------------------------------------
                                        Name:
                                              ----------------------------------
                                        Title:
                                               ---------------------------------

     The undersigned Optionee hereby accepts the Option Rights evidenced by this
Nonqualified Stock Option Agreement on the terms and conditions set forth herein
and in the Plan.

Dated:
       ------------------------------   ----------------------------------------
                                        [OPTIONEE NAME]

                                       5<PAGE>

                                  EXHIBIT 10.10

                                 USG CORPORATION

                        RESTRICTED STOCK UNITS AGREEMENT

                      DATE OF GRANT:______________________

     WHEREAS, ___________________ (the "Grantee") is an employee of USG
Corporation, a Delaware corporation (the "Company") or a Subsidiary;

     WHEREAS, the Board of Directors of the Company (the "Board") has granted to
the Grantee, effective as of ___________, 20___ (the "Date of Grant"),
______________ Restricted Stock Units (as defined in the Plan) (the "RSUs")
pursuant to the Company's Long-Term Incentive Plan, as amended (the "Plan"),
subject to the terms and conditions of the Plan and the terms and conditions
hereinafter set forth; and

     WHEREAS, the execution of a Restricted Stock Units Agreement substantially
in the form hereof to evidence the RSUs has been authorized by a resolution of
the Board.

     NOW, THEREFORE, the Company and the Grantee agree as follows:

1.   PAYMENT OF RSUS. The RSUs covered by this Agreement shall become payable to
     the Grantee if they become nonforfeitable in accordance with Section 2,
     Section 3, or Section 4 hereof.

2.   VESTING OF RSUS. Subject to the terms and conditions of Sections 3, 4 and 5
     hereof, the Grantee's right to receive the Common Shares subject to the
     RSUs shall become nonforfeitable to the extent of twenty-five percent (25%)
     of the total number of RSUs on each of the first four anniversaries of the
     Date of Grant (each, a "Vesting Date") if the Grantee remains continuously
     employed until such time.

3.   EFFECT OF CHANGE IN CONTROL. In the event of a Change in Control prior to
     the RSUs becoming nonforfeitable as provided in Section 2 above, the RSUs
     covered by this Agreement shall become nonforfeitable.

4.   EFFECT OF DEATH, DISABILITY, RETIREMENT. Notwithstanding Section 2 above:

     (a)  If the Grantee should die or become permanently and totally disabled
          while in the employ of the Company or any Subsidiary, the RSUs covered
          by this Agreement shall immediately become nonforfeitable.

     (b)  If, following January 1, 2007, the Grantee should retire under a
          retirement plan (including, without limitation, any supplemental
          retirement plan) of the Company or any Subsidiary at or after the
          earliest voluntary retirement age provided for in any such retirement
          plan ("Retirement"), one-half of the unvested portion of the

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          RSUs at the time of such Retirement shall continue to become
          nonforfeitable pursuant to the original vesting schedule. The
          remaining one-half of the unvested portion of the RSUs at the time of
          Retirement shall be immediately forfeited and of no further force or
          effect.

5.   EFFECT OF TERMINATIONS OF EMPLOYMENT. In the event that the Grantee's
     employment shall terminate in a manner other than any specified in Section
     4 hereof, the Grantee shall forfeit any RSUs that have not become
     nonforfeitable by such Grantee at the time of such termination.

6.   FORM AND TIME OF PAYMENT OF RSUS. Except as otherwise provided for in
     Section 9, payment for the RSUs shall be made in form of the Common Shares
     at the time they become nonforfeitable in accordance with Section 2,
     Section 3 or Section 4 hereof. To the extent that the Company is required
     to withhold federal, state, local or foreign taxes in connection with the
     delivery of Common Shares to the Grantee or any other person under this
     Agreement, the number of Common Shares to be delivered to the Grantee or
     such other person shall be reduced (based on the Market Value per Share as
     of the date the RSUs become payable) to provide for the taxes required to
     be withheld, with any fractional shares that would otherwise be delivered
     being rounded up to the next nearest whole share. The Board (or a committee
     of the Board) may, at its discretion, adopt any alternative method of
     providing for taxes to be withheld.

7.   PAYMENT OF DIVIDEND EQUIVALENTS. From and after the Date of Grant and until
     the earlier of (a) the time when the RSUs become nonforfeitable and payable
     in accordance with Section 2, Section 3 or Section 4 hereof or (b) the time
     when the Grantee's right to receive Common Shares upon payment of RSUs is
     forfeited in accordance with Section 5 hereof, on the date that the Company
     pays a cash dividend to holders of Common Shares generally, the Grantee
     shall be entitled to a number of additional whole RSUs determined by
     dividing (i) the product of (A) the dollar amount of the cash dividend paid
     per Common Share on such date and (B) the total number of RSUs (including
     dividend equivalents paid thereon) previously credited to the Grantee as of
     such date, by (ii) the Market Value per Share on such date. Such dividend
     equivalents shall be subject to the same terms and conditions and shall be
     settled or forfeited in the same manner and at the same time as the RSUs to
     which the dividend equivalents were credited.

8.   RSUS NONTRANSFERABLE. Neither the RSUs granted hereby nor any interest
     therein or in the Common Shares related thereto shall be transferable other
     than by will or the laws of descent and distribution prior to payment.

9.   ADJUSTMENTS. In the event of any change in the aggregate number of
     outstanding Common Shares by reason of (a) any stock dividend,
     extraordinary dividend, stock split, combination of shares,
     recapitalization or other change in the capital structure of the Company,
     or (b) any Change in Control, merger, consolidation, spin-off, split-off,
     spin-out, split-up, reorganization or partial or complete liquidation, or
     other distribution of assets, issuance of rights or warrants to purchase
     securities, or (c) any other corporate transaction or event having an
     effect similar to any of the foregoing, then the Board (or a committee of
     the Board) shall adjust the number of RSUs then held by the Grantee in

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     such manner as to prevent dilution or enlargement of the rights of the
     Grantee that otherwise would result from such event. Moreover, in the event
     of any such transaction or event, the Board (or a committee of the Board),
     in its discretion, may provide in substitution for any or all of the
     Grantee's rights under this Agreement such alternative consideration as it
     may determine to be equitable in the circumstances.

10.  COMPLIANCE WITH SECTION 409A OF THE CODE. To the extent applicable, it is
     intended that this Agreement and the Plan comply with the provisions of
     Section 409A of the Code, so that the income inclusion provisions of
     Section 409A(a)(1) do not apply to the Grantee. This Agreement and the Plan
     shall be administered in a manner consistent with this intent, and any
     provision that would cause the Agreement or the Plan to fail to satisfy
     Section 409A of the Code shall have no force and effect until amended to
     comply with Section 409A of the Code (which amendment may be retroactive to
     the extent permitted by Section 409A of the Code and may be made by the
     Company without the consent of the Grantee). In particular, to the extent
     that the RSUs become nonforfeitable pursuant to Section 3 or Section 4 and
     the event causing the RSUs to become nonforfeitable is the Grantee's
     Retirement or an event that does not constitute a permitted distribution
     event under Section 409A(a)(2) of the Code, then notwithstanding anything
     to the contrary in Section 6 above, issuance of the Common Shares
     underlying the RSUs will be made, to the extent necessary to comply with
     the provisions of Section 409A of the Code, to the Grantee on the earlier
     of (a) the Grantee's "separation from service" with the Company (determined
     in accordance with Section 409A); provided, however, that if the Grantee is
     a "specified employee" (within the meaning of Section 409A), the Grantee's
     date of issuance of the Common Shares underlying the RSUs shall be the date
     that is six months after the date of the Grantee's separation of service
     with the Company, (b) an applicable Vesting Date, or (c) the Grantee's
     death. Reference to Section 409A of the Code is to Section 409A of the
     Internal Revenue Code of 1986, as amended, and will also include any
     proposed, temporary or final regulations, or any other guidance,
     promulgated with respect to such Section by the U.S. Department of the
     Treasury or the Internal Revenue Service.

11.  CONTINUOUS EMPLOYMENT. For purposes of this Agreement, the continuous
     employment of the Grantee with the Company or a Subsidiary shall not be
     deemed to have been interrupted, and the Grantee shall not be deemed to
     have ceased to be an employee of the Company or Subsidiary, by reason of
     the (i) transfer of the Grantee's employment among the Company and its
     Subsidiaries or (ii) an approved leave of absence.

12.  NO EMPLOYMENT CONTRACT. The grant of the RSUs to the Grantee is a
     voluntary, discretionary award being made on a one-time basis and it does
     not constitute a commitment to make any future awards. The grant of the
     RSUs and any payments made hereunder will not be considered salary or other
     compensation for purposes of any severance pay or similar allowance, except
     as otherwise required by law. Nothing in this Agreement will give the
     Grantee any right to continue employment with the Company or any
     Subsidiary, as the case may be, or interfere in any way with the right of
     the Company or a Subsidiary to terminate the employment of the Grantee.

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13.  INFORMATION. Information about the Grantee and the Grantee's participation
     in the Plan may be collected, recorded and held, used and disclosed for any
     purpose related to the administration of the Plan. The Grantee understands
     that such processing of this information may need to be carried out by the
     Company and its Subsidiaries and by third party administrators whether such
     persons are located within the Grantee's country or elsewhere, including
     the United States of America. The Grantee consents to the processing of
     information relating to the Grantee and the Grantee's participation in the
     Plan in any one or more of the ways referred to above.

14.  RELATION TO PLAN. This Agreement is subject to the terms and conditions of
     the Plan. In the event of any inconsistency between the provisions of this
     Agreement and the Plan, the Plan shall govern. All terms used herein with
     initial capital letters and not otherwise defined herein that are defined
     in the Plan shall have the meanings assigned to them in the Plan. The Board
     (or a committee of the Board) acting pursuant to the Plan, as constituted
     from time to time, shall, except as expressly provided otherwise herein,
     have the right to determine any questions which arise in connection with
     the grant of the RSUs.

15.  AMENDMENTS. Any amendment to the Plan shall be deemed to be an amendment to
     this Agreement to the extent that the amendment is applicable hereto;
     provided, however, that no amendment shall adversely affect the rights of
     the Grantee under this Agreement without the Grantee's consent.

16.  SEVERABILITY. If any provision of this Agreement or the application of any
     provision hereof to any person or circumstances is held invalid,
     unenforceable or otherwise illegal, the remainder of this Agreement and the
     application of such provision to any other person or circumstances shall
     not be affected, and the provisions so held to be invalid, unenforceable or
     otherwise illegal shall be reformed to the extent (and only to the extent)
     necessary to make it enforceable, valid and legal.

17.  SUCCESSORS AND ASSIGNS. Without limiting Section 8 hereof, the provisions
     of this Agreement shall inure to the benefit of, and be binding upon, the
     successors, administrators, heirs, legal representatives and assigns of the
     Grantee, and the successors and assigns of the Company.

18.  GOVERNING LAW. This Agreement shall be governed by and construed in
     accordance with the internal substantive laws of the State of Delaware,
     without giving effect to any principle of law that would result in the
     application of the law of any other jurisdiction.

                                      -4-

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     Executed in the name and on behalf of the Company at______________________,
___________________, as of the ______ day of __________, 20___.

                                         USG CORPORATION

                                         ---------------------------------------
                                         Name:
                                               ---------------------------------
                                         Title:
                                                --------------------------------

     The undersigned Grantee hereby accepts the award of RSUs evidenced by this
Restricted Stock Units Agreement on the terms and conditions set forth herein
and in the Plan.

Dated: __________________                _______________________________________
                                         [GRANTEE NAME]

                                      -5-

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