EXHIBIT 10.28
THIRD AMENDMENT
OF
USG CORPORATION DEFERRED COMPENSATION PLAN
(Effective as of April 1, 2007)
WHEREAS, USG Corporation maintains the USG Corporation Deferred Compensation
Plan (the "Plan"); and
WHEREAS, amendment of the Plan now is considered desirable;
NOW, THEREFORE, pursuant to the amending power reserved to USG Corporation as
the "Company" under Section 9 of the Plan, as amended, and pursuant to the
resolution of the Board of Directors of USG Corporation dated November 13, 2014,
the Plan be and is further amended, effective December 3, 2014, by substituting
the following for the third sentence of Section 4.2 of the Plan:

The investment alternatives shall be determined by the Committee in its
discretion, except that the investment alternatives shall not include a Stock
Equivalent Account.

IN WITNESS WHEREOF, the Company has caused these presents to be signed on its
behalf by an officer thereunto duly authorized this 21st day of November, 2014.
 
USG CORPORATION

By: /s/ Chris Rosenthal
 
Its : Vice President, Compensation, Benefits
 
        and Corporate Services