USG CORP
10-K, 1997-03-06
CONCRETE, GYPSUM & PLASTER PRODUCTS
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                -----------------
                                    FORM 10-K
                                -----------------

(Mark One)

    X         ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
              EXCHANGE ACT OF 1934 (FEE REQUIRED)
                              For fiscal year ended December 31, 1996

                                       OR

              TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
              SECURITIES EXCHANGE ACT OF 1934 (NO FEE REQUIRED)
                 For the transition period from _______________ to
                 _______________.

                          Commission File Number 1-8864

                                 USG CORPORATION
             (Exact name of Registrant as Specified in its Charter)

                               Delaware 36-3329400
                (State or Other Jurisdiction of (I.R.S. Employer
               Incorporation or Organization) Identification No.)

              125 S. Franklin Street, Chicago, Illinois 60606-4678
               (Address of Principal Executive Offices) (Zip Code)

       Registrant's Telephone Number, Including Area Code: (312) 606-4000

                            -------------------------


       Securities Registered Pursuant to Section 12(b) of the Act:

                                                        Name of Exchange on
           Title of Each Class                            Which Registered
           -------------------                            ----------------

                                                      New York Stock Exchange
      Common Stock, $0.10 par value                   Midwest Stock Exchange
      ------------------------------                  ----------------------

                                                      New York Stock Exchange
      Preferred Share Purchase Rights                 Midwest Stock Exchange
      -------------------------------                 ----------------------


      8.5% Senior Notes, Due 2005                     New York Stock Exchange
      ------------------------------                  -----------------------

                                                      New York Stock Exchange
      Warrants                                        Midwest Stock Exchange
      --------                                        ----------------------


           Securities Registered Pursuant to Section 12(g) of the Act:
                                      None
- --------------------------------------------------------------------------------


                                (Title of Class)
     Indicate  by check mark  whether the  registrant  (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days.
Yes |X| No  |_|
     Indicate by check mark if disclosure of delinquent  filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of registrant's  knowledge,  in definitive proxy or information  statements
incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K. |X|
     Indicate by check mark whether the  registrant  has filed all documents and
reports  required  to be  filed by  Section  12,  13 or 15(d) of the  Securities
Exchange Act of 1934 subsequent to the  distribution of securities  under a plan
confirmed by a court. Yes |X| No |_|
     As of January 31,  1997,  the  aggregate  market  value of USG  Corporation
common  stock held by  nonaffiliates  (based  upon the New York  Stock  Exchange
("NYSE") closing prices) was approximately $1,629,794,000.
     As of January 31, 1997, 45,930,559 shares of common stock were outstanding.

<PAGE>

                       DOCUMENTS INCORPORATED BY REFERENCE

1.     Portions of the  Corporation's  1996 Annual  Report to  Stockholders  are
       incorporated by reference in Parts I, II and IV of this Form 10-K Report.

2.     The  Corporation's  definitive Proxy Statement for use in connection with
       the  Annual  Meeting  of  Stockholders  to be  held  on May  14,  1997 is
       incorporated by reference in Part III of this Form 10-K Report.

3.     A list of exhibits incorporated by reference is presented in this Form 
       10-K Report beginning on page 13.



                                TABLE OF CONTENTS
<TABLE>
<S>    <C>    <C>                                                                                              <C>

PART I                                                                                                         Page
                                                                                                               ----
Item   1.     Business........................................................................................   3
Item   2.     Properties......................................................................................   8
Item   3.     Legal Proceedings...............................................................................   9
Item   4.     Submission of Matters to a Vote of Security Holders.............................................   9

PART II
Item   5.     Market for the Registrant's Common Stock and Related Stockholder Matters........................  10
Item   6.     Selected Financial Data.........................................................................  10
Item   7.     Management's Discussion and Analysis of Results of Operations and Financial Condition...........  10
Item   8.     Financial Statements and Supplementary Data.....................................................  10
Item   9.     Changes in and Disagreements with Accountants on Accounting and Financial Disclosure............  10

PART III
Item  10.     Directors and Executive Officers of the Registrant..............................................  11
Item  11.     Executive Compensation..........................................................................  12
Item  12.     Security Ownership of Certain Beneficial Owners and Management..................................  12
Item  13.     Certain Relationships and Related Transactions..................................................  13

PART IV
Item  14.     Exhibits, Financial Statement Schedule and Reports on Form 8-K..................................  13

Signatures....................................................................................................  21

</TABLE>

                                     PART I

Item 1.  BUSINESS

(a)  General Development of Business

     United States Gypsum Company ("U.S.  Gypsum") was incorporated in 1901. USG
Corporation (together with its subsidiaries,  called "USG" or the "Corporation")
was  incorporated  in Delaware on October 22, 1984. By a vote of stockholders on
December  19,  1984,  U.S.  Gypsum  became  a  wholly  owned  subsidiary  of the
Corporation and the  stockholders of U.S. Gypsum became the  stockholders of the
Corporation, all effective January 1, 1985.

     In 1988,  the  Corporation  incurred  approximately  $2.5  billion  in debt
primarily to finance a plan of  recapitalization  in response to an  unsolicited
takeover attempt. As a result of high leverage and a severe cyclical downturn in
its  construction-based  markets,  the  Corporation  initiated  a  comprehensive
restructuring  of its debt (the  "Restructuring")  in 1990 that was completed on
May 6, 1993,  through  implementation of a "prepackaged"  plan of reorganization
under United States  bankruptcy law. In accordance  with the  prepackaged  plan,
$1.4 billion of debt and accrued interest was converted into equity and interest
expense  was   significantly   reduced.   The  Corporation   accounted  for  the
Restructuring  using the  principles  of fresh start  accounting  as required by
AICPA  Statement  of  Position  90-7,   "Financial   Reporting  by  Entities  in
Reorganization   under  the  Bankruptcy  Code."  Pursuant  to  such  principles,
individual  assets and liabilities were adjusted to fair market values as of May
6, 1993. Excess  reorganization  value, the portion of the reorganization  value
not attributable to specific  assets,  amounted to $851 million and is currently
being  amortized  over  a  five-year  period  through  April  1998.  Due  to the
Restructuring and implementation of fresh start accounting, financial statements
subsequent to May 6, 1993,  are not comparable to financial  statements  through
that date.

     In 1994,  the  Corporation  implemented a  refinancing  that included (i) a
public  offering of common  stock and (ii) the issuance of $150 million of 9.25%
senior  notes due 2001 in exchange  for cash and 8.0% senior  notes due 1996 and
1997. In 1995, the Corporation  completed a refinancing  that included:  (i) the
establishment  of a new  seven-year  revolving  credit  facility  to replace the
existing bank credit agreement (ii) the sale of $150 million aggregate principal
amount  of  8.5%  senior  notes  due  2005  and  (iii)  the  redemption  of  the
Corporation's 10.25% senior notes due 2002. As a result of refinancings and debt
repayments,  the Corporation  reduced its principal amount of total debt to $772
million as of December 31, 1996, from $1,556 million as of May 6, 1993.

     In the fourth  quarter of 1996,  the  Corporation  purchased  the  minority
interest in its Canadian  subsidiary,  CGC Inc. ("CGC"). The common shares which
had been  publicly held totaled  approximately  6 million and were acquired at a
price of $11 (Canadian) per share. The total amount paid in U.S. dollars for the
shares was $49 million.


(b)  Financial Information About Industry Segments

     Financial  information  and  other  related  disclosure  pertaining  to the
Corporation's industry segments set forth under "Notes to Financial Statements -
Note 14.  Industry and  Geographic  Segments" of the  Corporation's  1996 Annual
Report to Stockholders is incorporated herein by reference.


(c)  Narrative Description of Business

     Through its subsidiaries,  USG is a leading manufacturer and distributor of
building materials producing a wide range of products for use in new residential
and nonresidential construction and repair and remodel, as well as products used
in certain  industrial  processes.  USG's operations are organized into two core
businesses: North American Gypsum and Worldwide Ceilings.


North American Gypsum

Business

     North American  Gypsum,  which  manufactures and markets gypsum and related
products in the United States,  Canada and Mexico,  includes U.S. Gypsum and L&W
Supply  Corporation ("L&W Supply") in the United States,  the gypsum business of
CGC in Canada and Yeso Panamericano  S.A. de C.V. in Mexico.  U.S. Gypsum is the
largest  producer of gypsum  wallboard in the United  States and  accounted  for
nearly one-third of total domestic gypsum wallboard sales in 1996. L&W Supply is
the country's largest  distributor of wallboard and related products and in 1996
distributed  approximately  9.5% of all gypsum  wallboard  in the United  States
(including approximately 25% of U.S. Gypsum's wallboard production).


Products

     North  American  Gypsum  manufactures  and markets  building and industrial
products used in a variety of  applications.  Gypsum panel  products are used to
finish the interior  walls and ceilings in  residential,  commercial  and mobile
home  construction.  These products provide aesthetic as well as sound-dampening
and  fire-retarding  value.  The  majority of these  products are sold under the
SHEETROCK  brand  name.  Also sold under the  SHEETROCK  brand name is a line of
joint compounds used for finishing  wallboard joints.  The DUROCK line of cement
board  and  accessories  provides   fire-resistant  and  water-damage  resistant
assemblies for both interior and exterior  construction.  The  Corporation  also
produces  a variety  of plaster  products  used to  provide a custom  finish for
residential  and commercial  interiors.  Like SHEETROCK brand  wallboard,  these
products provide aesthetic,  sound-dampening and fire-retarding  value.  Plaster
products are sold under the trade names of RED TOP,  IMPERIAL  and DIAMOND.  The
Corporation also produces  gypsum-based products for agricultural and industrial
customers to use in a number of applications,  including soil conditioning, road
repair, fireproofing and ceramics.


Manufacturing

     North  American  Gypsum's  products are  manufactured  at 43 plants located
throughout the United States,  eastern Canada and in central Mexico. In November
1996,  the  Corporation  announced a plan to build a new plant at a cost of $110
million to manufacture  SHEETROCK brand wallboard in Bridgeport,  Ala., to serve
growing  construction  markets in the southeastern United States. The Bridgeport
plant, when fully  operational,  will have annual capacity of 700 million square
feet  and  will  use  100%  synthetic  gypsum  in its  production  of  SHEETROCK
wallboard.  It is  scheduled  to begin  operation  in 1999 and will  replace 350
million square feet of high-cost capacity at the Plasterco, Va., facility, which
will cease wallboard production at that time.

     Gypsum  rock is mined or  quarried  at 14  company-owned  locations  in the
United States and Canada. In 1996, these facilities  provided  approximately 91%
of the gypsum used by the Corporation's plants in North America.  Certain plants
purchase  synthetic  gypsum or  natural  gypsum  rock from  sources  other  than
company-owned mines and quarries.  Such purchases accounted for approximately 9%
of gypsum used in the  Corporation's  North American plants.  The  Corporation's
geologists  estimate that recoverable rock reserves are sufficient for more than
30 years of operation based on the  Corporation's  average annual  production of
crude gypsum during the past five years.  Proven reserves contain  approximately
228 million  tons, of which  approximately  66% are located in the United States
and 34% in Canada.  Additional  reserves of  approximately  153 million tons are
found on three  properties  not in operation.  The  Corporation's  total average
annual  production  of crude gypsum in the United  States and Canada  during the
past five years was 9.8 million tons.

     The  Corporation  owns and operates  seven paper mills  located  across the
United  States.  Vertical  integration  in paper ensures a continuous  supply of
high-quality  paper that is tailored to the  specific  needs of USG's  wallboard
production processes.


     The  Corporation  does  research  and  development  at the USG Research and
Technology  Center  in  Libertyville,  Ill.  The  staff at this  center  provide
specialized technical services to the operating units and do product and process
research and development.  The center is especially  well-equipped  for carrying
out fire, acoustical,  structural and environmental  evaluations of products and
building assemblies.  The center also has an analytical  laboratory for chemical
analysis and characterization of materials.  Development activities can be taken
to the pilot plant level before being transferred to a full-size plant.


Marketing and Distribution

     Distribution is carried out through L&W Supply, building materials dealers,
home  improvement  centers  and  other  retailers,   contractors  and  specialty
wallboard distributors. Sales of gypsum products are seasonal to the extent that
sales are generally greater from spring through the middle of autumn than during
the  remaining  part of the year.  Based on the  Corporation's  estimates  using
publicly  available data,  internal surveys,  and gypsum wallboard shipment data
from the Gypsum Association, management estimates that during 1996, about 47% of
total  industry  volume  demand  for  gypsum  wallboard  was  generated  by  new
residential  construction  activity,  36% of  volume  demand  was  generated  by
residential and nonresidential repair and remodel activity, 10% of volume demand
was generated by new nonresidential  construction  activity and the remaining 7%
of volume demand was generated by other activities such as exports and temporary
construction.

     L&W Supply,  which was organized in 1971 by U.S. Gypsum,  currently has 161
distribution  centers in 34 states. It is a  service-oriented  organization that
stocks a wide range of  construction  materials and delivers less than truckload
quantities  of  construction  materials  to a job site and places  them in areas
where work is being done,  thereby reducing or eliminating the need for handling
by  contractors.  Although  L&W Supply  specializes  in  distribution  of gypsum
wallboard (which accounts for approximately  50% of its total net sales),  joint
compound  and other  products  manufactured  primarily by U.S.  Gypsum,  it also
distributes  products  manufactured by USG Interiors such as acoustical  ceiling
tile and ceiling grid and  products of other  manufacturers,  including  drywall
metal,  insulation,   roofing  products  and  accessories.   L&W  Supply  leases
approximately 87% of its facilities from third parties.  Usually, initial leases
run from three to five years with a five-year renewal option.


Competition

     The Corporation competes in North America as the largest of 15 producers of
gypsum  wallboard  products and in 1996 accounted for nearly  one-third of total
gypsum  wallboard  sales in the United States.  In 1996, U.S. Gypsum shipped 8.0
billion  square  feet of  wallboard  out of total  domestic  industry  shipments
estimated  at 25.7  billion  square feet.  Principal  competitors  in the United
States are: National Gypsum Company,  Georgia-Pacific  Corporation,  The Celotex
Corporation and several  smaller,  regional  competitors.  Major  competitors in
Canada  include  Georgia-Pacific  Corporation  and BPB Westroc.  In Mexico,  the
Corporation's  major  competitor  is Panel  Rey.  In 1996 and  early  1997,  the
industry  experienced  some  consolidation;   the  largest  was  Georgia-Pacific
Corporation's purchase of the gypsum business of Domtar, Inc.

     L&W  Supply's  largest   competitor,   Gypsum  Management   Supply,  is  an
independent distributor with approximately 82 locations in the southern, central
and western  United States.  There are several  regional  competitors,  such as,
GDMA/RINKER in the southeast  (primarily in Florida) and Strober Building Supply
in the northeastern  United States. L&W Supply's many local competitors  include
lumber dealers,  hardware stores, home improvement  centers, and acoustical tile
distributors.


Worldwide Ceilings

Business

     Worldwide  Ceilings,   which  manufactures  and  markets  interior  systems
products  worldwide,  includes USG Interiors,  Inc., the international  interior
systems businesses managed as USG International  ("USG  International")  and the
interior  systems business of CGC.  Worldwide  Ceilings is a leading supplier of
interior  ceiling products used primarily in commercial  applications.  In 1996,
Worldwide  Ceilings was estimated to be the largest producer of ceiling grid and
the second largest producer of ceiling tile in the world.


Products

     Worldwide Ceilings manufactures and markets ceiling grid, ceiling tile, and
wall  systems  and, in Europe and Asia  Pacific,  access  floor  systems.  USG's
integrated line of ceiling products provides qualities such as sound absorption,
fire  retardation,  and  convenient  access to the space  above the  ceiling for
electrical  and  mechanical  systems,  air  distribution  and  maintenance.  USG
Interiors'  significant trade names include the AURATONE and ACOUSTONE brands of
ceiling tile and the DX,  FINELINE,  CENTRICITEE,  CURVATURA  and DONN brands of
ceiling grid.


Manufacturing

     Worldwide Ceilings' products are manufactured at 19 plants located in North
America, Europe and Asia Pacific, including 5 ceiling tile plants and 10 ceiling
grid plants.  The  remaining 4 plants  produce other  interior  products and raw
materials  for  ceiling  tile and  grid.  Principal  raw  materials  used in the
production  of  Worldwide  Ceilings'  products  include  mineral  fiber,  steel,
perlite, starch and high-pressure laminates.  Certain of these raw materials are
produced  internally,  while others are obtained from various outside suppliers.
Shortages of raw materials  used in this segment are not expected.  In 1996, the
Corporation:  (i) completed a major expansion of its ceiling tile  manufacturing
capacity  to  meet  increasing  worldwide  demand  and  (ii)  initiated  a major
modernization of one of its ceiling tile plants,  which will reduce manufactured
costs and add capacity to meet increasing worldwide demand.

     USG Interiors maintains its own research and development  facility in Avon,
Ohio,  which  provides  product  design,  engineering  and  testing  services in
addition to manufacturing development, primarily in metal forming, with tool and
machine design and construction services. Additional research and development is
carried  out  at  the   Corporation's   research  and   development   center  in
Libertyville, Ill., and at its "Solutions Center"SM in Chicago, Ill.


Marketing and Distribution

     Worldwide  Ceilings'  products are sold primarily in markets related to the
new  construction  and renovation of commercial  buildings as well as the retail
market for small  commercial  contractors.  Marketing and  distribution to large
commercial users is conducted through a network of distributors and installation
contractors as well as through L&W Supply. In recent years,  Worldwide  Ceilings
has increased its emphasis on the retail market.


Competition

     The Corporation  estimates that it is the second largest  producer/marketer
of  acoustical  ceiling tile sales in the world.  Principal  global  competitors
include  Armstrong  World  Industries,  Inc.  (the  largest  manufacturer),  OWA
Faserplattenwerk  GmbH (Odenwald) and The Celotex  Corporation.  The Corporation
estimates that it is the world's largest manufacturer of ceiling grid. Principal
competitors in ceiling grid include W.A.V.E. (a joint venture of Armstrong World
Industries, Inc. and Worthington  Industries/National Rolling Mills) and Chicago
Metallic Corporation.


Other Information

     The  Corporation's  plants are substantial  users of thermal  energy.  Five
major  fuel  types  are  used  in a mix  consisting  of  78%  natural  gas,  11%
electricity,  7% oil, 2% coke and 2%  purchased  hot air.  With few  exceptions,
plants that use natural gas are equipped with fuel stand-by systems, principally
oil.  Primary  fuel  supplies  have been  adequate and no  curtailment  of plant
operations  has  resulted  from  insufficient  supplies.  Supplies are likely to
remain sufficient for projected  requirements.  Energy price swap agreements are
used by the Corporation to hedge the cost of certain purchased fuel.

     Neither industry segment has any special working capital requirements or is
materially dependent on a single customer or a few customers on a regular basis.
No  single  customer  of the  Corporation  accounted  for  more  than 10% of the
Corporation's  1996 or 1995  consolidated  net sales.  Because orders are filled
upon receipt, neither industry segment has any significant backlog.

     Loss of one or more of the  patents  or  licenses  held by the  Corporation
would not have a major  impact on the  Corporation's  business or its ability to
continue  operations.  No material part of any of the Corporation's  business is
subject to  renegotiation of profits or termination of contracts or subcontracts
at the election of the government.

     All of the Corporation's  products regularly require  improvement to remain
competitive.  The Corporation also develops and produces  comprehensive  systems
employing  several of its products.  In order to maintain its high standards and
remain a leader in the building materials industry,  the Corporation performs on
an on-going basis extensive  research and  development  activities and makes the
necessary capital  expenditures to maintain production  facilities in sufficient
operating condition.

     One of the  Corporation's  subsidiaries,  U.S.  Gypsum,  is a defendant  in
asbestos lawsuits alleging both property damage and personal injury. Information
pertaining to the  Corporation's  legal proceedings is set forth under "Notes to
Financial  Statements - Note 15.  Litigation" of the  Corporation's  1996 Annual
Report to Stockholders and is incorporated herein by reference.


     (d) Financial  Information About Foreign and Domestic Operations and Export
         Sales

     Financial  information  and  other  related  disclosure  pertaining  to the
Corporation's  foreign and domestic  operations and export sales set forth under
"Notes to Financial  Statements - Note 14. Industry and Geographic  Segments" of
the Corporation's  1996 Annual Report to Stockholders is incorporated  herein by
reference.

Item 2.  PROPERTIES

     The  Corporation's  plants,  mines,  quarries,  transport  ships  and other
facilities are located in North America, Europe, and Asia Pacific. Many of these
facilities are operating at or near full capacity.  All facilities and equipment
are in  good  operating  condition,  and in  management's  judgment,  sufficient
expenditures  have been made  annually to maintain  them.  The  locations of the
production  properties of the  Corporation's  subsidiaries,  grouped by industry
segment, are as follows (plants are owned unless otherwise indicated):


North American Gypsum

Gypsum Wallboard and Other Gypsum Products
<TABLE>
         <S>                                     <C>                                <C>    


         United States                                                              Canada
         -------------                                                              ------
         Baltimore, Md.                          Norfolk, Va.                       Hagersville, Ontario
         Boston (Charlestown), Mass.             Oakfield, N.Y.                     Montreal, Quebec
         Detroit (River Rouge), Mich.            Plaster City, Calif.               St. Jerome, Quebec (currently idle)
         East Chicago, Ind.                      Plasterco (Saltville), Va.
         Empire, Nev.                            Santa Fe Springs, Calif.           Mexico
                                                                                    ------
         Fort Dodge, Iowa                        Shoals, Ind.                       Puebla, Puebla
         Fremont, Calif.                         Sigurd, Utah
         Galena Park, Texas                      Southard, Okla.
         Gypsum, Ohio                            Sperry, Iowa
         Jacksonville, Fla.                      Stony Point, N.Y.
         New Orleans, La.                        Sweetwater, Texas

</TABLE>

Joint Compound

     Surface  preparation  and joint  treatment  products are produced in plants
located at Chamblee,  Ga.; Dallas, Texas; East Chicago,  Ind.; Fort Dodge, Iowa;
Gypsum, Ohio;  Jacksonville,  Fla.; Port Reading,  N.J. (leased);  Sigurd, Utah;
Tacoma,  Wash.  (leased);   Torrance,  Calif.;  Hagersville,   Ontario,  Canada;
Montreal, Quebec, Canada; Puebla, Mexico; and Port Klang, Malaysia (leased).


Gypsum Rock

     Gypsum rock is mined or quarried at Alabaster (Tawas City), Mich.;  Empire,
Nev.;  Fort  Dodge,  Iowa;  Oakfield,  N.Y.;  Plaster  City,  Calif.;  Plasterco
(Saltville),  Va.; Shoals, Ind.; Sigurd,  Utah;  Southard,  Okla.; Sperry, Iowa;
Sweetwater,  Texas;  Hagersville,  Ontario, Canada; Little Narrows, Nova Scotia,
Canada;  and Windsor,  Nova  Scotia,  Canada.  Synthetic  gypsum is processed at
Belledune, New Brunswick, Canada.


Paper

     Paper for gypsum  wallboard is  manufactured at Clark,  N.J.;  Galena Park,
Texas; Gypsum, Ohio; Jacksonville, Fla.; North Kansas City, Mo.; Oakfield, N.Y.;
and South Gate, Calif.


Ocean Vessels

     Gypsum   Transportation   Limited,   a  wholly  owned   subsidiary  of  the
Corporation,  headquartered  in  Bermuda,  owns  and  operates  a fleet of three
self-unloading  ocean vessels.  Under contract of  affreightment,  these vessels
transport gypsum rock from Nova Scotia to the East Coast and Gulf port plants of
U.S.  Gypsum.  Excess ship time, when  available,  is offered for charter on the
open market.


Other Products

     A  mica-processing  plant is located at Spruce Pine,  N.C.;  perlite ore is
produced at Grants, N.M.; and drywall metal products are manufactured at Medina,
Ohio (leased). Metal lath, plaster and drywall accessories and light gauge steel
framing products are manufactured at Puebla,  Mexico. Various other products are
manufactured at La Mirada, Calif. (adhesives and finishes); and New Orleans, La.
(lime products).


Worldwide Ceilings

Ceiling Tile

     Acoustical  ceiling  tile and panels are  manufactured  at Cloquet,  Minn.;
Greenville,  Miss.;  Walworth,  Wis.; San Juan Ixhuatepec,  Mexico; and Aubange,
Belgium.

Ceiling Grid

     Ceiling grid products are  manufactured  at  Cartersville,  Ga.;  Stockton,
Calif.; Westlake, Ohio; Auckland, New Zealand (leased); Dreux, France; Oakville,
Ontario,  Canada;  Peterlee,  England (leased);  Port Klang,  Malaysia (leased);
Viersen,  Germany;  and Taipei,  Taiwan. A coil coater and slitter plant used in
the production of ceiling grid is also located in Westlake, Ohio.

Other Products

     Access  floor  systems  products  are  manufactured  at  Peterlee,  England
(leased);  and  Port  Klang,  Malaysia  (leased).  Mineral  fiber  products  are
manufactured  at Red Wing,  Minn.  and Walworth,  Wis. Wall system  products are
manufactured at Medina,  Ohio (leased).  Drywall metal products are manufactured
at Prestice, Czech Republic (leased) and Oakville, Ontario, Canada.

     In  1996,   the   Corporation   divested  its  United   States   insulation
manufacturing business.


Item 3.  LEGAL PROCEEDINGS

     Information  pertaining to the  Corporation's  legal  proceedings set forth
under "Notes to Financial Statements - Note 15. Litigation" of the Corporation's
1996 Annual Report to Stockholders is incorporated herein by reference.


Item 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

     There were no matters  submitted to a vote of security  holders  during the
fourth quarter of 1996.


                                     PART II


Item 5. MARKET FOR THE REGISTRANT'S COMMON STOCK AND RELATED STOCKHOLDER MATTERS

     Information with respect to the principal market on which the Corporation's
common  stock is traded,  the range of high and low market  prices and number of
stockholders  of record set forth under "Selected  Quarterly  Financial Data" of
the Corporation's  1996 Annual Report to Stockholders is incorporated  herein by
reference.

     There have been no dividends declared since the third quarter of 1988. Bank
credit  agreements  and other debt  instruments  have  previously  prohibited or
restricted the payment of cash dividends.  Although  currently  permitted within
certain limits under the Corporation's existing debt agreements, the Corporation
has  announced an intention  not to consider  payment of dividends  until it has
achieved investment grade status with respect to its senior public debt issues.

     On November 22, 1996, the  Corporation  entered into a retention  agreement
with an employee whereby the Corporation  agreed to grant shares of unregistered
common stock,  $0.10 par value,  having an aggregate  value equal to $250,000 in
five separate  installments  each having a value equal to $50,000 in reliance on
the private offering  exemption  afforded by Section 4 (2) of the Securities Act
of 1933,  as amended.  The first grant in the amount of 1,650 shares was made on
the date of the agreement  and the remaining  grants will be made on each of the
first four anniversaries  thereof.  The employee has agreed in return to provide
management  expertise  and advice for five years from the date of the  agreement
with respect to certain assets acquired by the Corporation  that were previously
owned by a corporation of which the employee was the principal stockholder.  The
unregistered  common  stock  is  restricted  from  transfer,   resale  or  other
disposition until November 22, 2001.


Item 6.  SELECTED FINANCIAL DATA

     Information  with  respect  to  selected  financial  data set  forth  under
"Comparative  Five-Year  Summary" of the  Corporation's  1996  Annual  Report to
Stockholders is incorporated herein by reference.


Item 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF RESULTS OF OPERATIONS AND
         FINANCIAL CONDITION

     "Management's   Discussion  and  Analysis  of  Results  of  Operations  and
Financial  Condition" of the Corporation's 1996 Annual Report to Stockholders is
incorporated herein by reference.


Item 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

     Information with respect to financial statements and supplementary data set
forth under "Consolidated Statement of Earnings,"  "Consolidated Balance Sheet,"
"Consolidated  Statement of Cash Flows,"  "Notes to  Financial  Statements"  and
"Report of Independent  Public  Accountants"  of the  Corporation's  1996 Annual
Report to Stockholders is incorporated herein by reference.


Item 9.  CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND
         FINANCIAL DISCLOSURE.

     A Form 8-K reporting a change of  accountants  has not been filed within 24
months prior to the date of the most recent financial statements.

                                    

                                    PART III


Item 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT

     Information about directors has been omitted from this report as it will be
filed with the  Securities and Exchange  Commission  (the "SEC") in a definitive
proxy statement  pursuant to Regulation 14A, which definitive proxy statement is
incorporated herein by reference.

Executive Officers of the Registrant (as of February 1, 1997)
<TABLE>
<S>                                 <C>                                                                             <C>  

                                                                                                                    Has Held
             Name, Age                                                                                               Present
        and Present Position               Prior Business Experience in Past Five Years                           Position Since
- -----------------------------------------------------------------------------------------------                --------------------
William C. Foote, 45                President and Chief Executive Officer, L&W Supply Corporation                   April 1996
Chairman, President and Chief       from September 1991 to January 1994; President and Chief
Executive Officer                   Executive Officer, USG Interiors, Inc. from January 1993 to
                                    January 1994; President and Chief Operating Officer from
                                    January 1994 to January 1996; President and Chief Executive
                                    Officer to April 1996.

P. Jack O'Bryan, 61                 President and Chief Executive Officer, United States Gypsum                    September 1996
Executive Vice President-           Company to January 1993; Senior Vice President and Chief
Operations; President and Chief     Technology Officer, USG Corporation to August 1994; Senior
Executive Officer, United States    Vice President - Worldwide Manufacturing and Technology to
Gypsum Company; President and       October 1995; Executive Vice President- Worldwide Ceilings to
Chief Executive Officer, USG        September 1996; President and Chief Executive Officer, USG
Interiors, Inc.                     Interiors, Inc. since October 1995.

J. Bradford James, 50               Vice President and Chief Financial Officer, USG Corporation to                  November 1996
Executive Vice President-Corporate  March 1993; Senior Vice President and Chief Financial Officer,
Development and Distribution        USG Corporation to January 1994; Vice President, USG
                                    Corporation, President and Chief Executive Officer, USG
                                    Interiors, Inc. to January 1995; Group Vice President, Worldwide
                                    Ceilings & International, USG Corporation, President and Chief
                                    Executive Officer, USG Interiors, Inc. to October 1995; Executive
                                    Vice President - International Development and Distribution to
                                    November 1996.

Richard H. Fleming, 49              Vice President and Treasurer to January 1994; Vice President and                January 1995
Senior Vice President and Chief     Chief Financial Officer to January 1995.
Financial Officer

Arthur G. Leisten, 55               Senior Vice President and General Counsel to March 1993;                        February 1994
Senior Vice President and General   Senior Vice President, General Counsel and Secretary to February
Counsel                             1994.

Harold E. Pendexter, Jr., 62        Same position.                                                                  January 1991
Senior Vice President and Chief
Administrative Officer

Raymond T. Belz,   56               Vice President Financial Services and Financial Administration,                 September 1996
Vice President and Controller;      United States Gypsum Company to January 1994; Vice President and
Vice President Financial            Controller, USG Corporation, Vice President Financial Services,
Operations, North American          United States Gypsum Company to January 1995; Vice President and
Gypsum and Worldwide Ceilings       and Chief Financial Officer, North American Gypsum from January
                                    1995 to September 1996; Vice President and Controller since January
                                    1995.

Brian W. Burrows, 57                Same position.                                                                   March 1987
Vice President, Research and
Technology

Matthew P. Gonring, 42              Director, Corporate Communications to March 1993.                                March 1993
Vice President, Corporate
Communications

John E. Malone, 53                  Vice President and Controller, USG Corporation to January 1994;                  January 1994
Vice President and Treasurer        Vice President - Finance, USG International, From March 1993
                                    to February 1995.

Robert B. Sirgant, 56               Director, Marketing - East Region, United States Gypsum                          January 1995
Vice President, Corporate Accounts  Company to November 1992; Vice President, National Accounts
                                    and Marketing - East, United States Gypsum Company to July
                                    1994; Vice President, National Accounts, United States Gypsum
                                    Company to January 1995.

S. Gary Snodgrass, 45               Director, Human Resources, USG Corporation to September                          April 1996
Vice President, Human Resources-    1992; Vice President, Management Resources and Employee
Operations                          Relations to January 1994; Vice President, Human Resources -
                                    Operations to February 1995; Vice President, Human Resources -
                                    Operations; Vice President, Human Resources, Worldwide
                                    Ceilings to April 1996.

Dean H. Goossen, 49                 Vice President, General Counsel and Secretary, Xerox Financial                   February 1994
Corporate Secretary                 Services Life Insurance Company to February 1993; Assistant
                                    Secretary, USG Corporation to February 1994.

</TABLE>


Item 11. EXECUTIVE COMPENSATION

   Information  required by Item 11 has been omitted from this report as it will
be filed with the SEC in a definitive  proxy  statement  pursuant to  Regulation
14A, which definitive proxy statement is incorporated herein by reference.


Item 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT

     Information  required  by Item 12 has been  omitted  from this report as it
will  be  filed  with  the  SEC in a  definitive  proxy  statement  pursuant  to
Regulation  14A, which  definitive  proxy  statement is  incorporated  herein by
reference.


Item 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS

     Information  required  by Item 13 has been  omitted  from this report as it
will  be  filed  with  the  SEC in a  definitive  proxy  statement  pursuant  to
Regulation  14A, which  definitive  proxy  statement is  incorporated  herein by
reference.


                                     PART IV

Item 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES AND REPORTS ON FORM 8-K

(a)  The following documents are filed as part of this 10-K Report:

     1.  The consolidated  financial  statements,  notes to financial statements
         and  report  of  independent   public   accountants   included  in  the
         Corporation's  1996 Annual Report to Stockholders  and listed below are
         incorporated herein by reference.

         Consolidated  Statement  of Earnings - Years ended  December  31, 1996,
         1995 and 1994.

         Consolidated Balance Sheet - As of December 31, 1996 and 1995.

         Consolidated  Statement of Cash Flows - Years ended  December 31, 1996,
         1995 and 1994.

         Notes to Financial Statements.

         Report of Independent Public Accountants.



     2.  Supplemental Financial Statement Schedules:

         Schedule II - Valuation and Qualifying Accounts

         Report of  Independent  Public  Accountants  With Respect to Financial
         Statement Schedule.

         All other  schedules  have been omitted  because they are not required,
         are not  applicable,  or the  information  is included in the financial
         statements or notes thereto.


     3.  Exhibits (Reg. S-K, Item 601):

<TABLE>

           <S>                                                                               <C>
    Exhibit   
    No.                                                                                      Page  
                                                                                             ----  

           3 Articles of incorporation and by-laws:
             (a)        Restated Certificate of Incorporation of USG Corporation
                        (incorporated by reference to Exhibit 3.1 of USG Corporation's
                        Form 8-K, dated May 7, 1993).
             (b)        Amended and Restated By-Laws of USG  Corporation,  dated
                        as of May 12, 1993 (incorporated by reference to Exhibit
                        3(b)   of   Amendment   No.   1  to  USG   Corporation's
                        Registration  Statement No.  33-61162 on Form S-1, dated
                        June 16, 1993).

           4 Instruments defining the rights of security holders, including
             indentures:


             (a)        Indenture  dated  as of  October  1,  1986  between  USG
                        Corporation  and Harris Trust and Savings Bank,  Trustee
                        (incorporated  by  reference  to  Exhibit  4(a)  of  USG
                        Corporation's Registration Statement No. 33-9294 on Form
                        S-3, dated October 7, 1986).
             (b)        Resolutions  dated March 5, 1987 of a Special  Committee
                        created  by the Board of  Directors  of USG  Corporation
                        relating to USG Corporation's  8.75% Debentures due 2017
                        (incorporated  by  reference  to  Exhibit  4(c)  of  USG
                        Corporation's  1993  Annual  Report on Form 10-K,  dated
                        March 14, 1994).
             (c)        Resolutions  dated March 6, 1987 of a Special  Committee
                        created  by the Board of  Directors  of USG  Corporation
                        relating to USG  Corporation's  8% Senior Notes due 1997
                        (incorporated  by  reference  to  Exhibit  4(d)  of  USG
                        Corporation's  1993  Annual  Report on Form 10-K,  dated
                        March 14, 1994).
             (d)        Resolutions   dated   February  1,  1994  of  a  Special
                        Committee  created  by the  Board  of  Directors  of USG
                        Corporation  relating to USG Corporation's  9.25% Senior
                        Notes due 2001  (incorporated  by  reference  to Exhibit
                        4(f) of USG  Corporation's  Registration No. 33-51845 on
                        Form S-1, dated February 16, 1994).
             (e)        Resolutions dated August 3, 1995 of a Special Committee
                        created.  by the Board of Directors of USG  Corporation
                        relating to USG  Corporation's  8.5%  Senior  Notes due
                        2005  (incorporated  by  reference  to Exhibit  4(b) of
                        Amendment  No.  3  to  USG  Corporation's  Registration
                        Statement  No.  33-60563  on Form S-3,  dated  July 28,
                        1995).
             (f)        Warrant   Agreement  dated  May  6,  1993  between  USG
                        Corporation  and  Harris  Trust and  Savings  Bank,  as
                        Warrant Agent,  relating to USG Corporation's  Warrants
                        (incorporated  by  reference  to  Exhibit  4.3  of  USG
                        Corporation's Form 8-K, dated May 7, 1993).
             (g)        Form of Warrant Certificate  (incorporated by reference
                        to Exhibit 4(g) of Amendment No. 4 to USG Corporation's
                        Registration  Statement No. 33-40136 on Form S-4, dated
                        November 12, 1992).
             (h)        Rights   Agreement   dated  May  6,  1993  between  USG
                        Corporation  and  Harris  Trust and  Savings  Bank,  as
                        Rights Agent (incorporated by reference to Exhibit 10.1
                        of USG Corporation's Form 8-K, dated May 7, 1993).
             (i)        Form  of  Common  Stock  certificate  (incorporated  by
                        reference to Exhibit 4.4 to USG Corporation's Form 8-K,
                        dated May 7, 1993).

                        The   Corporation   and  certain  of  its   consolidated
                        subsidiaries  are parties to long-term debt  instruments
                        under which the total  amount of  securities  authorized
                        does  not  exceed  10%  of  the  total   assets  of  the
                        Corporation  and  its  subsidiaries  on  a  consolidated
                        basis. Pursuant to paragraph  (b)(4)(iii)(A) of Item 601
                        of Regulation S-K, the  Corporation  agrees to furnish a
                        copy of such  instruments to the Securities and Exchange
                        Commission upon request.


          10 Material contracts:
             (a)        Management   Performance   Plan   of   USG   Corporation
                        (incorporated by reference to Annex C of Amendment No. 8
                        to USG Corporation's Registration Statement No. 33-40136
                        on Form S-4, dated February 3, 1993).
             (b)        Form of Nonqualified  Stock Option Agreement relating to
                        stock option grants dated June 1, 1993, February 9, 1994
                        and  August  10,  1994  (incorporated  by  reference  to
                        Exhibit  10(l) of Amendment  No. 1 on USG  Corporation's
                        Registration Statement No. 33-61152 on Form S-1).
             (c)        Amendment   and    Restatement   of   USG    Corporation
                        Supplemental  Retirement  Plan,  effective as of July 1,
                        1993  and  dated  November  30,  1993  (incorporated  by
                        reference   to  Exhibit   10(c)  of  USG   Corporation's
                        Registration No. 33-51845 on Form S-1).
             (d)        First   Amendment   of  USG   Corporation   Supplemental
                        Retirement  Plan,  effective as of November 15, 1993 and
                        dated  December 2, 1993  (incorporated  by  reference to
                        Exhibit  10(d)  of USG  Corporation's  Registration  No.
                        33-51845 on Form S-1).
             (e)        Termination  Compensation  Agreements  (incorporated  by
                        reference  to Exhibit  10(h) of USG  Corporation's  1991
                        Annual Report on Form 10-K, dated March 5, 1992).
             (f)        Indemnification Agreements (incorporated by reference to
                        Exhibit 10(g) of Amendment No. 1 to USG Corporation's
                        Registration No. 33-51845 on Form S-1).
             (g)        Agreement,  dated August 31, 1992 among USG  Corporation
                        and the Ad Hoc  Committee  of Holders  of 13.25%  Senior
                        Subordinated  Debentures  of USG  Corporation  due  2000
                        (incorporated   by  reference   to  Exhibit   10(aq)  of
                        Amendment  No.  4  to  USG  Corporation's   Registration
                        Statement No. 33-40136 on Form S-4).
             (h)        Bankruptcy  Court Order issued April 23, 1993 confirming
                        USG  Corporation's  Prepackaged  Plan of  Reorganization
                        (incorporated  by  reference to Exhibit 28.1 of Form 8-K
                        filed by USG Corporation on May 7, 1993).
             (i)        Consulting  Agreement  dated August 11, 1993 between USG
                        Corporation   and  James  W.  Cozad   (incorporated   by
                        reference  to  Exhibit   10(aw)  in  USG   Corporation's
                        Registration Statement 33- 51845, on Form S-1).
             (j)        Form  of  Employment   Agreement  dated  May  12,  1993
                        (incorporated   by  reference   to  Exhibit   10(h)  of
                        Amendment  No.  1  to  USG  Corporation's  Registration
                        Statement No. 33-61152 on Form S-1).
             (k)        Amendment  of   Termination   Compensation   Agreements
                        (incorporated   by  reference   to  Exhibit   10(j)  of
                        Amendment  No.  1  to  USG  Corporation's  Registration
                        Statement  No.   33-61152  on  Form  S-1).
             (l)        First   Amendment  to  Management   Performance   Plan,
                        effective  November 15, 1993 and dated February 1, 1994
                        (incorporated   by  reference  to  Exhibit   10(aq)  of
                        Amendment  No.  1  of  USG  Corporation's  Registration
                        Statement No. 33-51845 on Form S-1).
             (m)        Credit  Agreement  dated as of July 27,  1995 among USG
                        Corporation  and the Banks listed on the signature page
                        thereto and  Chemical  Bank as Agent  (incorporated  by
                        reference to Exhibit  99(a) of  Amendment  No. 3 to USG
                        Corporation's  Registration  Statement No.  33-60563 on
                        Form S-3, dated July 28, 1995).
             (n)        Amendment  No. 1, dated as of  February  1, 1996 to the
                        Credit Agreement  (incorporated by reference to Exhibit
                        10(q) of USG  Corporation's  1995 Annual Report on Form
                        10-K, dated February 29, 1996).
             (o)        Collateral  Trust  Agreement  dated as of July 27, 1995
                        between USG  Corporation,  certain of its  subsidiaries
                        and  Wilmington  Trust  Company and William J. Wade, as
                        Trustee  (incorporated by reference to Exhibit 99(b) of
                        Amendment  No.  3  to  USG  Corporation's  Registration
                        Statement  No.  33-60563  on Form S-3,  dated  July 28,
                        1995).
             (p)        Company  Pledge  Agreement  dated as of July  27,  1995
                        among USG Corporation, as Pledgor, and Wilmington Trust
                        Company and William J. Wade,  as Trustee  (incorporated
                        by reference to Exhibit 99(c) of Amendment No. 3 to USG
                        Corporation's  Registration  Statement No.  33-60563 on
                        Form S-3, dated July 28, 1995).
             (q)        Stock Compensation Program for Non-Employee Directors of
                        USG  Corporation,  dated May 10, 1995  (incorporated  by
                        reference  to Exhibit  10(t) of USG  Corporation's  1995
                        Annual Report on Form 10-K, dated February 29, 1996).
             (r)        1995   Long-Term   Equity   Plan   of  USG   Corporation
                        (incorporated   by   reference   to   Annex   A  to  USG
                        Corporation's  Proxy Statement and Proxy dated March 31,
                        1995).
             (s)        Form of Nonqualified Stock Option Agreement, pursuant to
                        the  1995  Long-Term   Equity  Plan   (incorporated   by
                        reference  to Exhibit  10(v) of USG  Corporation's  1995
                        Annual Report on Form 10-K, dated February 29, 1996).
             (t)        Form  of   Performance-Based   Restricted   Stock  Award
                        Agreement,  pursuant to the 1995  Long-Term  Equity Plan
                        (incorporated  by  reference  to  Exhibit  10(w)  of USG
                        Corporation's  1995  Annual  Report on Form 10-K,  dated
                        February 29, 1996).
             (u)        Form of Restricted Stock Award  Agreement,  pursuant to
                        the  1995  Long-Term   Equity  Plan   (incorporated  by
                        reference to Exhibit  10(x) of USG  Corporation's  1995
                        Annual Report on Form 10-K, dated February 29, 1996).
             (v)        1996  Annual   Management   Incentive   Program  -  USG
                        Corporation.                                                                22

          11 Computation of Earnings/(Loss) Per Common Share                                        31

          13 Portions of USG  Corporation's  1996  Annual  Report to
             Stockholders. (Such 32 report is not deemed to be filed with the
             Commission  as part of this Annual  Report on Form 10-K, except
             for the portions thereof  expressly incorporated by reference.)                        32

          21 Subsidiaries                                                                           62

          23 Consents of Experts and Counsel                                                        63

          24 Power of Attorney                                                                      64

          27 Financial Data Schedule                                                                66
</TABLE>


(b)  Reports on Form 8-K:

     No reports on Form 8-K were filed during the fourth quarter of 1996.



<PAGE>




                             Index to exhibits filed
                       with the Annual Report on Form 10-K
                      for the year ended December 31, 1996


<TABLE>
Exhibit                                                                                            Page
<CAPTION>
<S>      <C>                                                                                          <C>  

10(v)    1996 Annual Management Incentive Program - USG Corporation                                   22

11       Computation of Earnings/(Loss) Per Common Share                                              31

13       Portions of USG Corporation's 1996 Annual Report to Stockholders                             32

21       Subsidiaries                                                                                 62

23       Consent of Experts                                                                           63

24       Power of Attorney                                                                            64

27       Financial Data Schedule                                                                      66

</TABLE>

If you wish to receive a copy of any exhibit,  it may be obtained,  upon payment
of reasonable expenses, by writing to:

                         Dean H. Goossen, Corporate Secretary
                         USG Corporation
                         Department #188
                         P.O. Box 6721
                         Chicago, IL  60680-6721


<PAGE>
<TABLE>

                                                  USG CORPORATION
                                                    SCHEDULE II
                                         VALUATION AND QUALIFYING ACCOUNTS
                                               (Dollars in millions)

<CAPTION>
                                                                          Provision      Receivables
                                                                         Charged to      Written Off
                                                           Beginning      Costs and     and Discounts     Ending
                                                            Balance       Expenses         Allowed        Balance
<S>                                                       <C>            <C>            <C>             <C>    
Year ended December 31, 1996:

     Doubtful accounts.................................   $     11       $      7       $     (4)       $    14
     Cash discounts....................................          3             46            (46)             3


Year ended December 31, 1995:

     Doubtful accounts.................................         11              6             (6)            11
     Cash discounts....................................          3             44            (44)             3


Year ended December 31, 1994:

     Doubtful accounts.................................         11              7             (7)            11
     Cash discounts....................................          2             40            (39)             3



</TABLE>
<PAGE>




                    REPORT OF INDEPENDENT PUBLIC ACCOUNTANTS
                  WITH RESPECT TO FINANCIAL STATEMENT SCHEDULE



     We have audited in accordance with generally  accepted auditing  standards,
the  consolidated  financial  statements  included in USG  Corporation's  annual
report to  stockholders  incorporated  by reference in this Form 10-K,  and have
issued our report  thereon  dated  January 27, 1997.  Our audit was made for the
purpose of forming an opinion on the consolidated  financial statements taken as
a whole. The financial  statement  schedule on page 19 is the  responsibility of
the Corporation's management and is presented for purposes of complying with the
Securities and Exchange  Commission's  rules and is not part of the consolidated
financial statements. The financial statement schedule has been subjected to the
auditing  procedures  applied  in  the  audit  of  the  consolidated   financial
statements  and, in our  opinion,  fairly  states in all  material  respects the
financial data required to be set forth therein in relation to the  consolidated
financial statements taken as a whole.



                                                /s/ Arthur Andersen LLP
                                                -----------------------
                                                ARTHUR ANDERSEN LLP

Chicago, Illinois
January 27, 1997



                                   SIGNATURES


     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.


                                 USG CORPORATION
March 5, 1997


                                 By:  /s/ Richard H. Fleming
                                 ---------------------------
                                 Richard H. Fleming
                                 Senior Vice President and
                                 Chief Financial Officer


     Pursuant to the  requirements of the Securities  Exchange Act of 1934, this
report  has  been  signed  below  by the  following  persons  on  behalf  of the
Registrant and in the capacities and on the date indicated.



/s/ William C. Foote                                              March 5, 1997
- --------------------
WILLIAM C. FOOTE
Chairman, President and Chief Executive
Officer
(Principal Executive Officer)


/s/ Richard H. Fleming                                            March 5, 1997
- ----------------------
RICHARD H. FLEMING
Senior Vice President and
Chief Financial Officer
(Principal Financial Officer)


/s/ Raymond T. Belz                                               March 5, 1997
- -------------------
RAYMOND T. BELZ
Vice President and Controller
(Principal Accounting Officer)


ROBERT L. BARNETT, KEITH A. BROWN,               ) By:/s/ Richard H. Fleming
W.H. CLARK, W. DOUGLAS FORD,                     ) -------------------------
JAMES C. COTTING, LAWRENCE                       ) Richard H. Fleming
M. CRUTCHER, DAVID W. FOX,                       ) Attorney-in-fact
PHILIP C. JACKSON, JR., MARVIN E. LESSER,        ) Pursuant to Power of Attorney
JOHN B. SCHWEMM, JUDITH A. SPREISER, Directors   ) (Exhibit 24 hereto)
                                                 )  March 5, 1997



                                   EXHIBIT 10v


                                      1996


                       ANNUAL MANAGEMENT INCENTIVE PROGRAM


                                 USG CORPORATION



                                     PURPOSE


     To enhance  USG  Corporation's  ability to  attract,  motivate,  reward and
retain key employees of the  Corporation and its operating  subsidiaries  and to
strengthen the existing mutuality of interest between such key employees and the
Corporation's  stockholders by offering such key employees,  who discharge their
accountabilities  in a  manner  which  makes a  measurable  contribution  to the
Corporation's earnings, incentive award opportunities.



                                  INTRODUCTION


This  Annual  Management  Incentive  Program is in effect  from  January 1, 1996
through December 31, 1996.



                                   ELIGIBILITY


Individuals  eligible for  participation  in this Program are those officers and
other key employees occupying  management positions having 775 or more points as
determined  by the  Corporation's  position  evaluation  system.  Employees  who
participate in any other annual  incentive  program of the Corporation or any of
its subsidiaries are not eligible to participate in this Program.



                                      GOALS

For the 1996 Annual Management  Incentive  Program,  goal income targets for USG
Corporation,   Subsidiaries  and  Profit  Centers  will  be  determined  by  the
Compensation  and  Organization  Committee  after  considering   recommendations
submitted  from USG  Corporation,  Operating  Subsidiaries  and  Profit  Centers
respectively.   Additionally,   Working  Capital   Management  Targets  will  be
established.  Profit Center goals will be established  which are consistent with
Corporate  and  Operating  Subsidiary  goals.  Except  in the  case  of a  Named
Executive Officer (as defined in the Administrative  Guidelines  below),  Profit
Center  goals may be adjusted by the  Chairman  of USG  Corporation  if business
conditions or other significant  unforeseen  circumstances beyond the control of
the Profit Center have a major impact on opportunity.


                                  AWARD VALUES

For the 1996 Annual Management Incentive Program,  position par values are based
on level of accountability and are expressed as a percent of approved annualized
position reference point (midpoint).  Resulting award opportunities  represent a
fully  competitive  incentive  opportunity  for  100%  (target)  achievement  of
Corporate, Operating Subsidiary and/or Profit Center goals:
<PAGE>

<TABLE>
<S>                                                                             <C>    

- -------------------------------------------------------------------------------------------------------------------


                                                                                Position Par Value
USG Corporation
    Chairman - USG Corporation                                                  65% of Reference Point
    President & CEO - USG Corporation                                           65% of Reference Point
- -------------------------------------------------------------------------------------------------------------------


Executive Vice President North American Gypsum;                                 55% of Reference Point
  President & CEO, U.S. Gypsum Company
Executive Vice President Worldwide Ceilings;
  President & CEO, USG Interiors, Inc.
Executive Vice President International Development
  and Distribution, USG Corporation
- -------------------------------------------------------------------------------------------------------------------


USG CORPORATION                                                                 50% Of Reference Point
    Senior Vice President & General Counsel
    Senior Vice President & Chief Administrative Officer
    Senior Vice President & Chief Financial Officer
- -------------------------------------------------------------------------------------------------------------------


USG CORPORATION & OPERATING SUBSIDIARIES
    OFFICERS AND MANAGERS
    Vice President, USG Corporation;                                            45% of Reference Point
    President & CEO, L&W Supply Corporation

    President & CEO, CGC, Inc                                                   40 % of Reference Point
    Executive Vice President & COO, U.S. Gypsum Company
    Vice President & Treasurer, USG Corporation
    Vice President & Controller; Chief Financial Officer
       North American Gypsum Group, USG Corporation
    Vice President Research, USG Corporation
- -------------------------------------------------------------------------------------------------------------------


GENERAL MANAGERS (PROFIT CENTER HEADS)
    Sales of $50 Million and over                                               30% of Reference Point
    Sales Under $50 Million                                                     25% of Reference Point
- -------------------------------------------------------------------------------------------------------------------


USG CORPORATION, OPERATING SUBSIDIARIES & PROFIT CENTERS
    OFFICERS AND MANAGERS

    Position Reference Point: $174,120 and over                                 35% of Reference Point
    Position Reference Point: $154,005 - $174,119                               30% of Reference Point
    Position Reference Point: $125,085 - $154,004                               25% of Reference Point
    Position Reference Point: $111,600 - $125,084                               20% of Reference Point
    Position Reference Point: $  89,400 - $111,599                              15% of Reference Point
    Position Reference Point: Below $89,400                                     10% of Reference Point
- -------------------------------------------------------------------------------------------------------------------
</TABLE>

                                     AWARDS


Incentive  awards for all participants in the 1996 Annual  Management  Incentive
Program  will be reviewed  and  approved by the  Compensation  and  Organization
Committee of the USG Corporation Board of Directors.

For all  participants,  the annual incentive award opportunity is the annualized
position  reference point  (midpoint) in effect at the beginning of the calendar
year multiplied by the applicable position par value percent.

Incentive awards for 1996 will be based on

     o GOAL INCOME: (net sales less cost of sales and selling and administrative
expenses) based on the Corporation's year-end financial statements.

     o WORKING  CAPITAL  MANAGEMENT:  average  monthly Net Working  Capital (net
accounts  receivable plus FIFO inventory minus accounts payable) as a percent of
annual net sales.

     o  Personal  Performance  (except  in the case of the nine (9) most  senior
executives whose awards are based solely on achievement of financial results).

     o  Except  in the  case of a Named  Executive  Officer,  other  appropriate
performance measures as approved by the Compensation and Organization  Committee
of the Board of Directors.

1.   For  participants to qualify for the USG  Corporation  segment of an award,
     USG Corporation must achieve 75% or higher of the Corporation's goal income
     target. For Group, Subsidiary and Profit Center participants to qualify for
     the  Group/Subsidiary/  Profit Center segment of an incentive  opportunity,
     the  respective  Group,  Subsidiary  or Profit  Center must  achieve 75% or
     higher  of its  goal  income  target.  The  Compensation  and  Organization
     Committee may eliminate  awards to any  participant  who fails to receive a
     personal performance rating of "Achieved Expectations" (85) or better under
     the Corporation's Performance Planning and Review system (PPR).

2.   Once the threshold  qualifiers for an incentive award are satisfied,  basic
     incentive  award  amounts  will  be  determined  by  Corporate  performance
     achievement  which meets or exceeds 75% of the Corporate  goal income or by
     Group, Subsidiary or Profit Center achievements which meet or exceed 75% of
     their respective goal income targets, according to the following schedule:


         Goal                      Goal Income Adjustment Factor
         Income                    For Corporate, Group, Subsidiary
         Achievement               or Profit Center Performance
- --------------------------------------------------------------------------------


         Below        75%                           0%
                      75%                          50%
                      80%                          60%
                      90%                          80%
                     100%                         100%
                     110%                         120%
                     120%                         140%
                     140%                         180%
                     150%                         200%

3.       Basic  incentive  award  amounts  are  adjusted  to the extent that the
         percent of net working capital to net sales is reduced from or exceeded
         by the 1995 actual level.  Achievement  of working  capital  management
         targets will be measured for USG  Corporation,  North  American  Gypsum
         Group and Worldwide  Ceilings Group.  Each 0.1 reduction or increase in
         the percentage will  respectively  increase or decrease basic incentive
         awards by 2% of par according to the following schedule:

                  Average Working Capital Percent of Net Sales


Reduction in                    Increase in
Percentage        Award         Percentage         Award
- ------------ ------------- ------------------- --------------
0.0                 0%
0.1               + 2%              0.1           - 2%
0.5               + 10%             0.5           - 10%
1.0               + 20%             1.0           - 20%
2.0               + 40%             2.0           - 40%
3.0               + 60%             3.0           - 60%
4.0               + 80%             4.0           - 80%
5.0               +100%             5.0           -100%


4.       Except with respect to the nine (9) most senior  executives,  including
         the  Named  Executive  Officers,  whose  awards  are  based  solely  on
         achievement  of Goal Income and  Working  Capital  Management  Targets,
         incentive awards based upon achievement of Goal Income and adjusted for
         achievement  of  Working  Capital  Management  Targets  will be further
         adjusted  based upon the eligible  participants'  individual  Incentive
         Performance   Rating  derived  from  the  accomplishment  of  incentive
         performance targets according to the following schedule:


Individual               Personal Performance
Incentive Rating         Adjustment Factor
- --------------------     ----------------------------

Distinguished            105.0
- --------------------     ----------------------------
                         102.5
Excellent                100.0
- --------------------     ----------------------------
                         97.5
Good                     95.0
- --------------------     ----------------------------


         The maximum incentive award under this Program is 200% of par.


5.       Basic  incentive  award  opportunities  and  calculations of awards for
         participants  will be based on the  achievement of specific  Corporate,
         Group, Subsidiary and/or Profit Center goal income targets as displayed
         below or, except with respect to Named Executive Officers, as otherwise
         may be established subject to approval of the Chairman:
<TABLE>
         <S>                                              <C>                                          <C>
                                                                                                       Working Capital
                                                          Incentive Award                               Management
         Participants                                     Opportunity/Calculation                       Measure
- -------------------------------------------------------------------------------------------------------------------


         USG Corporation                                   33 1/3% USG Corporation Performance            USG Corp
                                                           33 1/3% North American Gypsum Performance      NAG
                                                           33 1/3% Worldwide Ceilings Performance         WWC

- -------------------------------------------------------------------------------------------------------------------


         North American Gypsum

            Executive VP, North American Gypsum;           33 1/3% USG Corporation Performance            USG Corp
              President & CEO, U.S. Gypsum Co              33 1/3% North American Gypsum Performance      NAG
            VP & Controller; CFO North American            33 1/3% Worldwide Ceilings Performance         WWC
              Gypsum Group, USG Corporation

            General Mgr - IGD                              20% North American Gypsum Performance          NAG
            General Mgr - Materials Division               30% Subsidiary Performance                     NAG
            Profit Center Staff                            50% Profit Center/Division Performance         NAG
            VP & General Mgr, CGC, Inc
            (Subject to subsidiary discretion)

            President & CEO, CGC, Inc                      20% USG Corporation Performance                USG Corp
            President & General Mgr, YPSA                  30% North American Gypsum Performance          NAG
            U.S. Gypsum Staff                              50% Subsidiary Performance                     NAG
            CGC, Inc Staff

- -------------------------------------------------------------------------------------------------------------------


         Worldwide Ceilings

            Executive VP, Worldwide Ceilings;              33 1/3% USG Corporation Performance            USG Corp
              President & CEO, USG Interiors, Inc          33 1/3% North American Gypsum Performance      NAG
                                                           33 1/3% Worldwide Ceilings Performance         WWC

            USG Interiors, Inc Staff                       20% USG Corporation Performance                USG Corp
            USG International, Ltd Staff                   30% Worldwide Ceilings Performance             WWC
                                                           50% Subsidiary/Region Performance              WWC

- -------------------------------------------------------------------------------------------------------------------


         L&W Supply Corporation

            President & CEO                                33 1/3% USG Corporation Performance            USG Corp
                                                           33 1/3% North American Gypsum Performance      NAG
                                                           33 1/3% Worldwide Ceilings Performance         WWC

            L&W Supply Corporation Staff                   20% USG Corporation Performance                USG Corp
                                                           30% North American Gypsum Performance          NAG
                                                           50% Subsidiary Performance                     NAG

            Director Operations                            20% North American Gypsum Performance          NAG
            General Mgr Operations                         30% Subsidiary Performance                     NAG
                                                           50% Profit Center/Division Performance         NAG


- -------------------------------------------------------------------------------------------------------------------

</TABLE>

6.       SPECIAL AWARDS

         In addition to the incentive  opportunity  provided by this Program,  a
         special   award   may   be   recommended   for   any   participant   or
         non-participant,  other than a Named Executive Officer, who has made an
         extraordinary contribution to the Corporation's welfare or earnings.

7.       STRATEGIC TARGETS

         In select  cases,  not  including  Named  Executive  Officers and other
         Corporate  Officers and Subsidiary CEOs, where the participant can make
         an individual, measurable and quantifiable contribution which will have
         significant  impact  on the  Corporation's  financial  performance  and
         profitability,  up to 25% of the  position  par or  opportunity  may be
         allocated to personal performance. Such allocations require approval of
         the Chairman of USG Corporation at the beginning of the Program year.

         For Corporate,  Group, Subsidiary and Profit Center participants with a
         25%    strategic    award     allocation,     the    Incentive    Award
         Opportunity/Calculation  will be  determined  at the  beginning  of the
         Program year.

         The  strategic  award  opportunity  which  is  available  for  personal
         performance  will be adjusted  to the extent  that  actual  performance
         exceeds or fails to meet the targeted goal.

GENERAL PROVISIONS
- --------------------------------------------------------------------------------


1.       The Compensation and Organization  Committee of USG Corporation's Board
         of  Directors  shall  review and  approve  the awards  recommended  for
         officers and other employees who are eligible  participants in the 1996
         Annual Management  Incentive Program. The Compensation and Organization
         Committee   shall  submit  to  the  Board  of   Directors,   for  their
         ratification,  a report of the  awards  for all  eligible  participants
         including  corporate  officers  approved by the Committee in accordance
         with the provisions of the Program.

2.       The Compensation  and  Organization  Committee shall have full power to
         make the rules and  regulations  with respect to the  determination  of
         achievement of goals and the distribution of awards.  No awards will be
         made until the Compensation  and  Organization  Committee has certified
         goal achievement and applicable awards in writing.


3.       The  judgement  of  the  Compensation  and  Organization  Committee  in
         construing  this Program or any  provisions  thereof,  or in making any
         decision hereunder,  shall be final and conclusive and binding upon all
         employees  of the  Corporation  and  its  subsidiaries  whether  or not
         selected  as  beneficiaries  hereunder,  and  their  heirs,  executors,
         personal representatives and assigns.

4.       Nothing herein  contained shall limit or affect in any manner or degree
         the normal and usual  powers of  management,  exercised by the officers
         and the Board of Directors or committees  thereof, to change the duties
         or the character of employment of any employee of the Corporation or to
         remove the  individual  from the  employment of the  Corporation at any
         time, all of which rights and powers are expressly reserved.

5.       No award  will be paid to a  Program  participant  who is not a regular
         full-time  employee in good standing at the end of the calendar year to
         which the award  applies;  except an award  which  would  otherwise  be
         payable based on goal  achievement  may be  recommended in the event of
         retirement,  disability  or death or in the  event the  participant  is
         discharged  without cause from the employment of the company during the
         year.

6.       The  awards  made  to  employees   shall  become  a  liability  of  the
         Corporation or the  appropriate  subsidiary as of December 31, 1996 and
         all payments to be made  hereunder  will be made as soon as practicable
         after said awards have been approved.


ADMINISTRATIVE GUIDELINES
- --------------------------------------------------------------------------------


1.        Award values will be based on position reference points (midpoints) in
          effect for each qualifying  position at the beginning of the year. Any
          change in duties, dimensions or responsibilities of a current position
          resulting in a new evaluation and an increase or decrease in reference
          points will be applied  for  Incentive  Program  purposes on a prorata
          basis with the respective  reference  point and par value to apply for
          the actual number of full months of service at each evaluation  except
          for such a change with respect to a Named Executive Officer,  in which
          case any change in  reference  points and par value,  for any  reason,
          shall not become effective until January 1 of the following year.

2.       As provided by the Program,  no award is to be paid any participant who
         is not a regular full-time  employee in good standing at the end of the
         calendar  year to which the  award  applies.  However,  in the event an
         eligible participant with three (3) or more months of active service in
         the Program year subsequently retires,  becomes disabled or dies, or is
         discharged  from the  employment  of the  Company  without  cause,  the
         participant (or beneficiary) may receive an award which would otherwise
         be payable based on goal achievement, prorated for the actual months of
         active service during the year.

3.        Employees participating in any other incentive or bonus program of the
          parent Corporation or a Subsidiary who are transferred during the year
          to a  position  covered  by the Annual  Management  Incentive  Program
          (other than a Named  Executive  Officer) will be eligible to receive a
          potential  award prorated for actual full months of service in the two
          positions  with the  respective  incentive  program  and par values to
          apply.  For  example,   a  Marketing  Manager  promoted  to  Director,
          Marketing on August 1, will be eligible to receive a prorata award for
          seven  months  based on the  Marketing  Manager  Plan  provisions  and
          values,  and for  five  months  under  the  Annual  Incentive  Program
          provisions and par values.

4.       In the event of transfer of an employee  (other than a Named  Executive
         Officer) from an assignment which does not qualify for participation in
         any  incentive  or bonus plan to a position  covered by the 1996 Annual
         Management  Incentive Program,  the employee is eligible to participate
         in the Annual  Incentive  Program with any potential award prorated for
         the actual  months of service in the  position  covered by the  Program
         during the year.  A minimum of three  months of service in the eligible
         position is required.

5.        Participation during the current Program year for individuals employed
          from outside the Corporation is possible with any award to be prorated
          for actual full months of service in the eligible position.  A minimum
          of three full months of service is required for award consideration.

6.       Exceptions to established administrative guidelines can only be made by
         the Compensation  and  Organization  Committee and only with respect to
         participants other than Named Executive Officers.

7.       For purposes of this Program,  a "NAMED EXECUTIVE OFFICER" will include
         any  executive  officer who is deemed a "named  executive  officer" for
         1996  under  Item 402  (a)(3) of  Regulation  S-K under the  Securities
         Exchange  Act  of  1934  and  was  employed  by  the  Corporation  or a
         Subsidiary on the last day of the year.





                                   EXHIBIT 11
<TABLE>

                    COMPUTATION OF EARNINGS/(LOSS) PER COMMON
                  SHARE (Dollar amounts in millions except per
                                   share data)

<CAPTION>


                                                                     1996              1995             1994
                                                                     ----              ----             ----
<S>                                                               <C>               <C>              <C>                      

Primary Earnings/(Loss) Per Share of Common Stock:

Average common shares outstanding including
     common stock equivalents (a)                                 47,510,071        45,120,120       43,243,497
                                                                  ==========        ==========       ==========


Net earnings/(loss) available to common stockholders              $       15        $     (32)       $     (92)
                                                                  ==========        ==========       ==========


Primary earnings/(loss) per share of common stock                 $     0.31        $   (0.71)       $   (2.14)
                                                                  ==========        ==========       ==========



Fully Diluted Earnings/(Loss) Per Share of Common Stock: (b)

Average common shares outstanding excluding                       
     common stock equivalents                                     45,542,384

Dilutive stock  options  based on the  treasury  stock method
     using the year-end market price if higher than the
     average market price                                            954,801

Dilutive warrants based on the treasury stock method using
     the year-end  market price if higher than the
     average market price                                          1,356,820
                                                                   ---------

                                                                  47,854,005
                                                                  ----------


Net earnings available to common stockholders                     $       15
                                                                  ==========


Fully diluted earnings per share of common stock                  $     0.30
                                                                  ==========
</TABLE>


(a)  Common stock  equivalents  are  excluded  from the  calculation  of primary
     earnings/(loss)  per  share of common  stock  for the  years  1995 and 1994
     because the Corporation reported net losses in those years.

(b)  The  calculation  of fully  diluted  earnings per share of common stock for
     1996 is  submitted  in  accordance  with  Securities  Exchange  Act of 1934
     Release No. 9083 although not required by footnote 2 to paragraph 14 of APB
     Opinion  No. 15  because  it  results  in  dilution  of less than 3% before
     rounding to two decimal places.  Computation of earnings/(loss)  per common
     share on a  fully-diluted  basis is  omitted  for the  years  1995 and 1994
     because the options and warrants had an antidilutive effect.




Financial Review

Management's Discussion and Analysis                    23

Consolidated Financial Statements
Statement of Earnings                                   28
Balance Sheet                                           29
Statement of Cash Flows                                 30

Notes to Financial Statements
 1.     Significant Accounting Policies                 31
 2.     Financing Arrangements                          32
 3.     Debt                                            33
 4.     Financial Instruments and Risk Management       34
 5.     Purchase of Subsidiary Minority Interest        35
 6.     Writedown of Assets                             35
 7.     Income Taxes                                    36
 8.     Inventories                                     37
 9.     Property, Plant and Equipment                   37
10.     Leases                                          37
11.     Employee Retirement Plans                       37
12.     Stock-Based Compensation                        39
13.     Stockholders' Equity                            40
14.     Industry and Geographic Segments                41
15.     Litigation                                      42

Report of Management                                    48

Report of Independent Public Accountants                49

Selected Quarterly Financial Data                       50

Comparative Five-Year Summary                           51

Management's Discussion and Analysis of Results of Operations and
Financial Condition

As a result of USG's  financial  restructuring  in 1993 and the  restructuring's
continuing  effect on financial  reporting,  USG reports EBITDA (earnings before
interest, taxes, depreciation,  depletion, amortization and certain other income
and expense items) to facilitate  comparisons of current and historical results.
EBITDA is also helpful in understanding cash flow generated from operations that
is available for taxes, debt service and capital expenditures. EBITDA should not
be considered by investors as an  alternative to net earnings as an indicator of
the  Corporation's  operating  performance  or to cash flows as a measure of its
overall liquidity.

Results of Operations

Consolidated Results

A bar chart entitled "Net Sales  (millions of dollars)" on page 23 of the Annual
Report to  Stockholders  shows that for the years 1994,  1995 and 1996 (shown on
the  x-axis)  the  Corporation  had net sales  (shown on the  y-axis)  of $2,290
million, $2,444 million and $2,590 million, respectively.

A bar chart  entitled  "EBITDA  (millions  of dollars)" on page 23 of the Annual
Report to  Stockholders  shows that for the years 1994,  1995 and 1996 (shown on
the x-axis) the  Corporation  had EBITDA  (shown on the y-axis) of $325 million,
$417 million and $437 million, respectively.


Net sales of $2,590 million in 1996  represented the fifth  consecutive  year of
improved sales and an increase of $146 million, or 6.0%, over 1995. Net sales in
1995  were  up 6.7%  over  1994.  EBITDA,  which  has  improved  for the  fourth
consecutive year, amounted to $437 million in 1996,  representing an increase of
$20 million,  or 4.8%, over 1995.  EBITDA in 1995 increased 28.3% over 1994. The
improved  results in 1996 were  primarily  attributable  to record  shipments of
Sheetrock brand gypsum wallboard and other USG products, including ceiling tile,
joint compound and cement board.

Gross profit as a percentage  of net sales was 24.9% in 1996 compared with 24.7%
in 1995 and 22.6% in 1994.  Gross  profit in 1996 was  lowered  by a $7  million
provision  to cost of products  sold  associated  with  actions  implemented  to
improve the  operating  efficiencies  of USG's  European  businesses by reducing
manufacturing  and  distribution  costs.  Gross  profit  in 1994  was  adversely
affected  by a $30  million  pretax ($17  million  after-tax)  charge to cost of
products sold recorded by U.S. Gypsum primarily to cover the cash portion of two
asbestos litigation settlements.

Selling and  administrative  expenses of $268 million increased $24 million,  or
9.8%, over 1995,  reflecting  higher levels of expenses  related to compensation
and benefits and a joint initiative by USG's North American Gypsum and Worldwide
Ceilings  units to enhance  customer  service  systems by upgrading  their order
entry and fulfillment  processes.  Selling and  administrative  expenses of $244
million in 1995 were unchanged versus 1994.

Excess  reorganization  value,  which was  established in connection  with USG's
financial  restructuring  in May  1993,  is  currently  being  amortized  over a
five-year period. This noncash  amortization,  which has no tax impact,  reduced
operating profit by $169 million in each of 1996, 1995 and 1994.

Interest  expense  continued to decline in 1996 as a result of debt  repayments.
Interest  expense  amounted to $75 million in 1996, down $24 million,  or 24.2%,
from the 1995 level of $99 million,  which was down $50 million,  or 33.6%, from
$149 million  recorded in 1994.  Interest expense in 1994 included a $16 million
pretax ($9 million after-tax) noncash charge for the write-off of reorganization
debt  discount  primarily  in  conjunction  with the  Corporation's  accelerated
payment of bank term loans.

In the fourth  quarter of 1995,  the  Corporation  recorded a $30 million pretax
($24 million  after-tax)  charge in connection  with the sale of its  insulation
manufacturing  business in the United  States and the closure of its  insulation
plant  in  Canada.   Included  in  this   charge  was  a  $15  million   noncash
(no-tax-impact)  write-off of excess  reorganization value associated with these
businesses.  The remainder of the charge primarily  reflected a writedown of the
assets of these  businesses to their net realizable  value.  The total charge is
reflected  in  other  (income)/expense,  net in the  Consolidated  Statement  of
Earnings.

The  Corporation's  income tax  expense  is  computed  based on pretax  earnings
excluding the noncash amortization of excess  reorganization value, which is not
deductible for federal income tax purposes. In 1996, income tax expense amounted
to $117 million,  compared with $97 million in 1995 and $54 million in 1994. The
Corporation's effective tax rates for 1996, 1995 and 1994 were 88.9%, 149.0% and
negative   142.1%,   respectively.   Excluding   the   amortization   of  excess
reorganization  value and, in 1995, the  aforementioned $15 million write-off of
excess reorganization value, the Corporation's 1996, 1995 and 1994 effective tax
rates were 38.9%, 39.0% and 42.1%, respectively.  See "Note 7. Income Taxes" for
additional information.

The Corporation reported net earnings of $15 million, or $0.31 per common share,
in 1996.  However,  these earnings  included:  (i) the noncash  amortization  of
excess reorganization value of $169 million and (ii) the noncash amortization of
reorganization  debt  discount  of $1  million  included  in  interest  expense.
Together,  these items reduced 1996 net earnings by $170  million,  or $3.58 per
common share.

The Corporation  recorded a net loss of $32 million,  or $0.71 per common share,
in 1995.  However,  this loss included:  (i) the noncash  amortization of excess
reorganization   value  of  $169  million  (ii)  the  noncash   amortization  of
reorganization  debt  discount of $4 million  included  in interest  expense and
(iii) the $24 million after-tax writedown of the insulation business.  Together,
these  items  reduced  1995 net  earnings by $197  million,  or $4.38 per common
share.

A net loss of $92 million,  or $2.14 per common  share,  in 1994  included:  (i)
noncash  amortizations of excess  reorganization  value and reorganization  debt
discount  of $169  million  and  $12  million,  respectively  (ii)  the  noncash
after-tax  write-off of  reorganization  debt  discount  amounting to $9 million
primarily  associated with bank term loans and (iii) the after-tax charge of $17
million associated with asbestos litigation settlements.  Together,  these items
reduced 1994 net earnings by $207 million, or $4.81 per common share.

Construction Markets
Based on preliminary data issued by the U.S. Bureau of the Census,  U.S. housing
starts were an estimated  1.475 million units in 1996, up 9% over 1995.  Housing
starts of 1.354  million  units in 1995  represented  a 7% decline from the 1994
level of 1.457 million units. U.S. nonresidential  construction grew 12% in 1995
versus 1994, as measured in floor space for which  contracts were awarded.  This
had a favorable impact on USG's 1996 sales,  because finishing of nonresidential
interiors  follows  contract  awards by as much as a year.  Repair  and  remodel
activity  continued its upward trend in 1996. Demand for wallboard  generated by
this market increased an estimated 7%.
<PAGE>
<TABLE>

Core Business Results
<CAPTION>
   
                                                                 NET SALES                                      EBITDA
                                                    ----------------------------------           -----------------------------------
                                                    1996           1995           1994           1996           1995           1994
(dollars in millions)
<S>                                              <C>            <C>            <C>            <C>            <C>            <C>
North American Gypsum:
U.S. Gypsum Company                              $ 1,390        $ 1,309        $ 1,209        $   347        $   327        $   248
L&W Supply Corporation                               841            753            659             29             26             15
CGC Inc. (gypsum division)                           114            102            110             16             11             15
Other subsidiaries                                    83             75             90             25             22             28
Eliminations                                        (361)          (315)          (288)            --             --             (2)
- ------------------------------------------       -------        -------        -------        -------        -------         -------
Total                                              2,067          1,924          1,780            417            386            304

Worldwide Ceilings:
USG Interiors, Inc.                                  398            385            400             53             58             53
USG International                                    228            235            202              2              5              6
CGC Inc. (interiors division)                         30             28             29              3              4              3
Eliminations                                         (44)           (39)           (37)            --             --             --
- ------------------------------------------       -------        -------        -------        -------        -------        -------
Total                                                612            609            594             58             67             62

Corporate                                             --             --             --            (38)           (36)           (41)
Eliminations                                         (89)           (89)           (84)            --             --             --
- ------------------------------------------       -------        -------        -------        -------        -------        -------
Total USG Corporation                              2,590          2,444          2,290            437            417            325
                                                   =====          =====          =====            ===            ===            ===
</TABLE>

North American Gypsum

A bar chart entitled "Net Sales  (millions of dollars)" on page 25 of the Annual
Report to  Stockholders  shows that for the years 1994,  1995 and 1996 (shown on
the x-axis) North American  Gypsum had net sales (shown on the y-axis) of $1,780
million, $1,924 million and $2,067 million, respectively.

A bar chart  entitled  "EBITDA  (millions  of dollars)" on page 25 of the Annual
Report to  Stockholders  shows that for the years 1994,  1995 and 1996 (shown on
the  x-axis)  North  American  Gypsum had EBITDA  (shown on the  y-axis) of $304
million, $386 million and $417 million, respectively.


Net sales of $2,067  million in 1996 for North  American  Gypsum  represented an
increase of $143  million,  or 7.4%,  and EBITDA of $417  million  improved  $31
million,  or 8.0%,  compared with 1995.  For 1995,  net sales of $1,924  million
increased  $144  million,  or 8.1%,  while EBITDA of $386 million  increased $82
million,  or 27.0%, over 1994 EBITDA of $304 million,  which included the impact
of the  aforementioned  $30 million charge  associated with asbestos  litigation
settlements.

Results  improved in 1996 for U.S.  Gypsum  compared with 1995  primarily due to
record  shipments of Sheetrock  wallboard  that totaled 8.0 billion  square feet
compared  with 7.6 billion  square  feet in 1995 and 7.7 billion  square feet in
1994. In addition,  shipments of  nonwallboard  products such as Sheetrock joint
compound and Durock cement board also set records in 1996. U.S. Gypsum's average
selling  price for Sheetrock  wallboard in 1996 was $110.56 per thousand  square
feet, a slight increase  compared with the 1995 average price of $110.44,  which
was up 10.4% over  1994's  average  price of  $100.08.  Manufacturing  costs for
Sheetrock  wallboard  were down 3.9% in 1996 largely due to lower furnish prices
for wastepaper, the primary raw material of wallboard paper. Comparing 1995 with
1994,  higher  wastepaper  furnish prices  resulted in an aggregate  increase of
approximately  $28  million  in cost of  products  sold.  U.S.  Gypsum's  plants
operated at 94% of capacity in 1996,  which closely  approximated  the estimated
average rate for the U.S.  industry.  In 1995, U.S.  Gypsum's plants operated at
92% of capacity.

L&W Supply Corporation,  USG's building products distribution business, reported
record  net  sales in 1996 due to record  shipments  of  wallboard  and sales of
nonwallboard  products.  EBITDA for L&W Supply improved significantly in each of
the past three  years as a result of gross  profit  improvements  for all of its
product lines. As of December 31, 1996, L&W Supply conducted its business out of
161 distribution centers, up from 156 centers as of year-end 1995, following the
addition of six centers  and the  closing of one in a  consolidation  during the
year.

CGC Inc.'s gypsum business  experienced  higher net sales and EBITDA in 1996 due
to improved wallboard demand and pricing as a result of increased housing starts
in eastern Canada and increased shipments to the United States. Results in 1995,
as compared  with 1994,  were  adversely  affected by lower demand caused by the
lowest level of housing  starts in eastern Canada in 35 years and by higher unit
costs for wallboard.

Worldwide Ceilings

A bar chart entitled "Net Sales  (millions of dollars)" on page 25 of the Annual
Report to  Stockholders  shows that for the years 1994,  1995 and 1996 (shown on
the  x-axis)  Worldwide  Ceilings  had net sales  (shown on the  y-axis) of $594
million, $609 million and $612 million, respectively.

A bar chart  entitled  "EBITDA (in millions)" on page 25 of the Annual Report to
Stockholders  shows that for the years 1994, 1995 and 1996 (shown on the x-axis)
Worldwide Ceilings had EBITDA (shown on the y-axis) of $62 million,  $67 million
and $58 million, respectively.

Net sales in 1996 for  Worldwide  Ceilings  rose $3  million,  or 0.5%,  to $612
million,  while EBITDA of $58 million  declined $9 million,  or 13.4%,  compared
with 1995. The slightly higher sales in 1996 reflect record shipments of ceiling
tile at higher average  selling prices and increased  shipments of ceiling grid.
These improvements were partially offset by the absence of full-year results for
the  insulation  manufacturing  business  in the United  States that was sold in
April 1996.  The lower level of EBITDA was primarily  attributable  to: (i) a $7
million provision  associated with actions  implemented to improve the operating
efficiencies  of  USG's  European  businesses  by  reducing   manufacturing  and
distribution  costs (ii) expenses  associated  with enhancing  customer  service
systems and (iii)  start-up  costs  related to a new ceiling tile line placed in
service in 1996 at the Greenville, Miss., plant.

Net sales in 1995 of $609 million  reflect an increase of $15 million,  or 2.5%,
and EBITDA of $67 million  increased $5 million,  or 8.1%,  compared  with 1994.
Excluding  results for the domestic floors unit,  which was divested in December
1994,  Worldwide  Ceilings'  1995 net sales  improved $45 million,  or 8.0%, and
EBITDA  increased $5 million,  or 8.1%,  versus 1994.  The improved 1995 results
reflect increased shipments and higher average selling prices for ceiling tile.

Liquidity and Capital Resources

In 1996, the  Corporation  continued to pursue its strategy of reducing debt and
growing its core gypsum and ceilings  businesses through a balanced  application
of free cash flow  between  debt  reduction  and  capital  expenditures  with a
near-term objective of achieving investment-grade status.


A bar chart  entitled "Debt  Principal  (millions of dollars)" on page 26 of the
Annual Report to Stockholders  shows that as of December 31, 1994, 1995 and 1996
(shown on the x-axis) the Corporation's principal amount of total debt (shown on
the y-axis) was $1,149 million, $926 million and $772 million, respectively.

A bar chart entitled "Capital Spending  (millions of dollars)" on page 26 of the
Annual  Report to  Stockholders  shows  that for the years  1994,  1995 and 1996
(shown on the x-axis) the Corporation had capital spending (shown on the y-axis)
of $64 million, $147 million and $120 million, respectively.


Debt Reduction
As of December 31, 1996,  the  principal  amount of total debt was $772 million,
reflecting a reduction of $154 million,  or 16.6%,  from a total of $926 million
as of December 31, 1995.  The repayments of $150 million of revolving bank loans
and $28 million of outstanding 8.0% senior notes due 1996, the redemption of $22
million of  outstanding  7.875% senior  debentures  due 2004 and  short-term net
foreign  repayments of $4 million were  partially  offset by $50 million of debt
incurred to finance the  purchase of publicly  held shares of CGC common  stock.
(See "Note 5. Purchase of Subsidiary  Minority Interest" for more information on
this transaction.)

Capital Expenditures
Capital  expenditures  amounted  to $120  million  in 1996,  compared  with $147
million in 1995. For North American Gypsum, capital investments in 1996 included
cost-reduction  projects such as the installation of stock cleaning equipment to
utilize  lower  grades  of  recycled  paper and  equipment  to  further  utilize
synthetic gypsum. In the Worldwide Ceilings business,  a $35 million project was
started to replace two old production lines with one modern,  high-speed line at
its ceiling  tile plant in Cloquet,  Minn.  This  project is  anticipated  to be
completed by mid-1998.  In addition,  projects  completed in 1996 included a new
$45 million  Auratone  ceiling tile production  line at the  Greenville,  Miss.,
plant and the  installation of ceiling  suspension grid  manufacturing  in Saudi
Arabia  and  Taiwan,  all of which  have  commenced  initial  operations.  As of
December 31, 1996, the  Corporation's  capital  expenditure  commitments for the
replacement,  modernization and expansion of operations amounted to $173 million
compared with $68 million as of December 31, 1995.

The Corporation  periodically  evaluates  possible  acquisitions or combinations
involving other businesses or companies in businesses and markets related to its
current operations.  The Corporation believes that its available liquidity would
be generally  adequate to support most  opportunities  and that it has access to
additional  financial  resources to take  advantage of other  opportunities.  In
November 1996, the  Corporation  announced a plan to build a new plant at a cost
of $110 million to manufacture Sheetrock brand wallboard in Bridgeport, Ala., to
serve  growing  construction  markets in the  southeastern  United  States.  The
Bridgeport  plant,  when fully  operational,  will have  annual  capacity of 700
million  square feet and will use 100%  synthetic  gypsum in its  production  of
Sheetrock wallboard. It is scheduled to begin operation in 1999 and will replace
350 million square feet of high-cost  capacity at the Plasterco,  Va., facility,
which will cease wallboard production at that time.

Working Capital
Working  capital  (current  assets less current  liabilities) as of December 31,
1996,  amounted  to $108  million,  and the ratio of  current  assets to current
liabilities  was 1.27 to 1. As of December  31, 1995,  working  capital was $108
million, and the ratio of current assets to current liabilities was 1.28 to 1.

Cash and cash  equivalents  as of  December  31,  1996,  amounted to $44 million
compared with $70 million as of December 31, 1995.  This decrease  reflects 1996
net cash flows to investing  and  financing  activities of $159 million and $154
million,  respectively,  partially  offset  by net  cash  flows  from  operating
activities  of $287  million.  Receivables  (net of reserves)  increased to $274
million as of December  31,  1996,  from $246  million as of December  31, 1995,
while  inventories  increased to $185 million  from $175  million,  and accounts
payable rose to $141 million from $130 million.

Available  Liquidity
The Corporation has additional  liquidity  available  through several  financing
arrangements.  These include:  (i) a revolving credit facility  maturing in 2002
that  allows the  Corporation  to borrow up to $500  million,  including  a $125
million  letter of credit  subfacility,  under  which,  as of December 31, 1996,
outstanding  revolving  loans  totaled $110 million and letters of credit issued
and  outstanding  amounted to $47  million,  leaving the  Corporation  with $343
million of unused and  available  credit  (ii) a revolving  accounts  receivable
facility (see "Note 2. Financing Arrangements"),  from which, as of December 31,
1996, the Corporation had additional borrowing capacity of $50 million and (iii)
a shelf registration statement filed with the Securities and Exchange Commission
allowing the Corporation to offer from time to time debt  securities,  shares of
preferred and common stock or warrants to purchase  shares of common stock,  all
having an aggregate initial offering price not to exceed $300 million. As of the
filing date of the Corporation's  1996 Annual Report on Form 10-K, no securities
had been issued pursuant to this registration.

Legal Contingencies
One of the Corporation's  subsidiaries,  U.S. Gypsum, is a defendant in asbestos
lawsuits  alleging  both  property  damage and personal  injury.  (See "Note 15.
Litigation" for information concerning the asbestos litigation.)

In April 1996,  U.S.  Gypsum reached a $111 million  settlement  with one of its
insurance  carriers for past and future  asbestos  litigation  costs.  Under the
terms of the settlement, the carrier reimbursed U.S. Gypsum $62 million for past
asbestos  litigation  costs,  while the remaining $49 million of the  settlement
represents coverage in place for future settlements.

The Corporation and certain of its subsidiaries  have been notified by state and
federal  environmental  protection  agencies of possible  involvement  as one of
numerous "potentially  responsible parties" in a number of so-called "Superfund"
sites in the United States. The Corporation  believes that neither these matters
nor any other known governmental proceeding regarding environmental matters will
have a material  adverse  effect  upon its  earnings or  consolidated  financial
position. (See "Note 15. Litigation" for additional information on environmental
litigation.)


<TABLE>

Consolidated Statement of Earnings
<CAPTION>
                                                       Years ended December 31,
                                                       ------------------------
(dollars in millions, except per share data)          1996      1995       1994
                                                      ----      ----       ----
<S>                                               <C>        <C>        <C>    

Net sales                                         $ 2,590    $ 2,444    $ 2,290
Cost of products sold                               1,945      1,841      1,773
                                                     ----       ----       ----
Gross profit                                          645        603        517
Selling and administrative expenses                   268        244        244
Amortization of excess reorganization value           169        169        169
                                                     ----       ----       ----
Operating profit                                      208        190        104
Interest expense                                       75         99        149
Interest income                                        (2)        (6)       (10)
Other (income)/expense, net                             3         32          3
                                                     ----       ----       ----
Earnings/(loss) before income taxes                   132         65        (38)
Income taxes                                          117         97         54
                                                     ----       ----       ----
Net earnings/(loss)                                    15        (32)       (92)
                                                     ====       ====       ==== 
Net earnings/(loss) per common share                 0.31      (0.71)     (2.14)
                                                     ====      =====      ===== 
</TABLE>

The notes to financial statements are an integral part of this statement.

<TABLE>

Consolidated Balance Sheet
<CAPTION>
<S>                                                                           <C>                  <C> 

(dollars in millions)                                                                As of December 31,
                                                                                     ------------------
                                                                                 1996                 1995
                                                                                 ----                 ----
Assets
Current assets:
Cash and cash equivalents (primarily time deposits)                           $    44              $    70
Receivables (net of reserves of $17 and $14)                                      274                  246
Inventories                                                                       185                  175
- -----------                                                                      ----                 ----
Total current assets                                                              503                  491
- --------------------                                                             ----                 ----
Property, plant and equipment, net                                                887                  842
Excess reorganization value (net of accumulated amortization
        of $635 and $466)                                                         210                  379
Other assets                                                                      218                  178
- ------------                                                                     ----                 ----
Total assets                                                                    1,818                1,890
                                                                                =====                =====


Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable                                                                  141                  130
Accrued expenses                                                                  200                  190
Notes payable                                                                       7                    7
Current portion of long-term debt                                                  42                   35
Taxes on income                                                                     5                   21
- ---------------                                                                  ----                 ----
Total current liabilities                                                         395                  383
- -------------------------                                                        ----                 ----
Long-term debt                                                                    706                  865
Deferred income taxes                                                             192                  185
Other liabilities                                                                 548                  494
Stockholders' equity/(deficit):
Preferred stock
        $1 par value; authorized 36,000,000 shares;
        $1.80 convertible preferred stock (initial series);
        outstanding-none                                                           --                   --
Common stock
        $0.10 par value; authorized 200,000,000 shares;
        outstanding 45,724,561 and 45,262,539 shares (after
        deducting 31,488 and 33,988 shares held in treasury)                        5                    5
Capital received in excess of par value                                           231                  223
Deferred currency translation                                                     (10)                  (6)
Reinvested earnings/(deficit)                                                    (249)                (259)
- -----------------------------                                                    ----                 ----
Total stockholders' equity/(deficit)                                              (23)                 (37)
- ------------------------------------                                             ----                 ----
Total liabilities and stockholders' equity                                      1,818                1,890
                                                                                =====                =====

</TABLE>

The notes to financial statements are an integral part of this statement.
<TABLE>

Consolidated Statement of Cash Flows
<CAPTION>

                                                                        Years ended December 31,
                                                                        ------------------------
                                                                   1996          1995          1994
                                                                   ----          ----          ----
<S>                                                               <C>          <C>          <C>    
(dollars in millions)

Operating Activities:
Net earnings/(loss)                                               $  15        $  (32)      $   (92)
Adjustments to reconcile net earnings/(loss) to net cash:
        Amortization of excess reorganization value                 169           169           169
        Depreciation, depletion and amortization                     65            67            84
        Deferred income taxes                                         7             6            (1)
        Net (gain)/loss on asset dispositions                        (2)           27            (2)
(Increase)/decrease in working capital:
        Receivables                                                 (28)           24           (20)
        Inventories                                                 (10)           (2)          (28)
        Payables                                                     (5)           (6)           33
        Accrued expenses                                             14           (27)           27
(Increase)/decrease in other assets                                  (2)          (10)            1
Increase in other liabilities                                        64            30            30
Other, net                                                           --           (10)           (3)
- ----------------------------------------                           ----          ----          ----
Net cash flows from operating activities                            287           236           198
- ----------------------------------------                           ----          ----          ----

Investing Activities:
Capital expenditures                                               (120)         (147)          (64)
Net proceeds from asset dispositions                                 10             7            16
Purchase of subsidiary minority interest                            (49)           --            --
- ----------------------------------------                           ----          ----          ----
Net cash flows to investing activities                             (159)         (140)          (48)
- ----------------------------------------                           ----          ----          ----

Financing Activities:
Issuance of debt                                                     77           576           171
Repayment of debt                                                  (231)         (804)         (558)
Short-term borrowings/(repayments), net                              --             5            (1)
Proceeds from public offering of common stock                        --            --           224
- ---------------------------------------------                      ----          ----          ----
Net cash flows to financing activities                             (154)         (223)         (164)
- ---------------------------------------------                      ----          ----          ----

Net Increase/(Decrease) in Cash and Cash Equivalents                (26)         (127)          (14)
Cash and cash equivalents at beginning of period                     70           197           211
- ------------------------------------------------                   ----          ----          ----
Cash and cash equivalents at end of period                           44            70           197
                                                                   ====          ====          ====

Supplemental Cash Flow Disclosures:
Interest paid                                                        74            88           115
Income taxes paid                                                   116           108            38
</TABLE>

The notes to financial statements are an integral part of this statement.

Notes to Financial Statements

1. Significant Accounting Policies

Nature  of   Operations-Through   its   subsidiaries,   USG   Corporation   (the
"Corporation") is a leading manufacturer of building materials, producing a wide
range of products for use in new residential and nonresidential construction and
repair and remodel,  as well as products used in certain  industrial  processes.
The  Corporation's  operations  are organized  into two core  businesses:  North
American  Gypsum,  which  manufactures  and markets gypsum wallboard and related
products in the United States, Canada and Mexico, and Worldwide Ceilings,  which
manufactures  and markets ceiling tile,  ceiling grid and other interior systems
products worldwide.  Distribution is carried out through L&W Supply Corporation,
a wholly owned subsidiary of the Corporation;  building materials dealers;  home
improvement  centers and other retailers;  contractors;  and specialty wallboard
distributors.

Consolidation-The consolidated  financial statements include the accounts of the
Corporation  and its  subsidiaries.  All significant  intercompany  balances and
transactions are eliminated in consolidation.

Use of Estimates-The  preparation  of financial  statements  in conformity  with
generally accepted  accounting  principles requires management to make estimates
and assumptions.  These estimates and assumptions affect the reported amounts of
assets,  liabilities,  revenues and expenses.  Actual  results could differ from
these estimates.

Reclassifications-Certain  amounts in the prior years' financial statements have
been reclassified to conform with the 1996 presentation.

Revenue  Recognition-The  Corporation  recognizes  revenue  upon the shipment of
products.

Cash and Cash  Equivalents-For purposes of the  Consolidated  Balance Sheet and
Consolidated  Statement  of Cash Flows,  all highly  liquid  investments  with a
maturity of three months or less at the time of purchase are  classified as cash
equivalents.

Inventory  Valuation-Most of the Corporation's  domestic  inventories are valued
under the last-in,  first-out  ("LIFO")  method.  The remaining  inventories are
stated at the lower of cost or market under the first-in,  first-out ("FIFO") or
average  production  cost  methods.  Inventories  include  material,  labor  and
applicable factory overhead costs.

Property,  Plant and Equipment-Property, plant and equipment are stated at cost,
except for those assets that were revalued  under fresh start  accounting in May
1993.  Provisions  for  depreciation  of  property,   plant  and  equipment  are
determined principally on a straight-line basis over the expected average useful
lives of composite asset groups.  Depletion is computed on a basis calculated to
spread  the cost of gypsum and other  applicable  resources  over the  estimated
quantities of material recoverable.  Interest during construction is capitalized
on major additions.

Excess  Reorganization Value-Excess  reorganization value, which was established
in connection with a financial  restructuring  and the  implementation  of fresh
start  accounting in May 1993, is currently being amortized  through April 1998.
The  Corporation  continues to evaluate  whether events and  circumstances  have
occurred  which  indicate  that the  remaining  estimated  useful life of excess
reorganization value may warrant revision or that the remaining balances may not
be recoverable.

Foreign Currency Translation-Net currency translation gains or losses on foreign
subsidiaries  are  included in deferred  currency  translation,  a component  of
stockholders' equity.

Research and Development-Research and development  expenditures  are charged to
earnings as incurred and amounted to $19 million, $18 million and $17 million in
the years ended December 31, 1996, 1995 and 1994, respectively.

2. Financing Arrangements

Refinancings-In  the  third  quarter  of  1995,  the  Corporation  completed  a
refinancing that included:  (i) the establishment of a new seven-year  revolving
credit  facility (the "Revolving  Credit  Facility") to replace an existing bank
credit  agreement  that was due to expire in 2000 (ii) the sale of $150  million
aggregate  principal  amount  of 8.5%  senior  notes  due  2005  and  (iii)  the
redemption  of the  Corporation's  remaining  $268 million  principal  amount of
10.25%  senior notes due 2002 using a  combination  of proceeds from the sale of
the 8.5% senior notes,  borrowings  under the Revolving Credit Facility and cash
on hand. Under the Revolving  Credit Facility,  the Corporation can borrow up to
$500  million,  including a $125 million  letter of credit  subfacility,  from a
syndicate of banks, which are many of the same banks that had been lenders under
the previous  credit  agreement.  The  Revolving  Credit  Facility  provides USG
greater  financial  flexibility as a result of: (i)  less-restrictive  covenants
(ii) the  letter  of  credit  subfacility  (iii) an  expiration  in 2002 with no
required  amortization  prior  to  maturity  and  (iv) a  simplification  of the
Corporation's capital structure through the elimination of subsidiary guarantees
on any of its senior indebtedness.

In the first quarter of 1994,  the  Corporation  implemented a refinancing  plan
that included:  (i) a public  offering of 14,375,000  shares of common stock, of
which  7,900,000  shares,  yielding  net  proceeds  to the  Corporation  of $224
million,  were issued by the Corporation and 6,475,000 were sold by Water Street
Corporate  Recovery Fund I, L.P. ("Water  Street"),  the  Corporation's  largest
stockholder  at that time (ii) the  issuance of $150 million of senior notes due
2001 to certain  institutional  investors in exchange for $65 million  aggregate
principal  amount  of its  outstanding  senior  notes  due 1996 and 1997 and $85
million in cash and (iii) an amendment of the existing bank credit agreement.

Shelf  Registration-In the fourth quarter of 1995, the Corporation filed a shelf
registration  statement with the Securities and Exchange Commission allowing the
Corporation to offer from time to time: (i) debt securities consisting of notes,
debentures or other  evidences of indebtedness in one or more series (ii) shares
of $1.00 par value  preferred  stock in one or more series (iii) shares of $0.10
par value  common  stock or (iv)  warrants  to purchase  shares of common  stock
(collectively,  the  "Offered  Securities"),  all  having an  aggregate  initial
offering price not to exceed $300 million. The Offered Securities may be offered
separately or as units with other Offered Securities. The debt securities may be
(i) senior or subordinated or (ii) secured or unsecured. The Corporation intends
to use the net  proceeds  from the sale of the  Offered  Securities  for general
corporate  purposes that may include the repayment of existing  indebtedness and
the financing of capital  expenditures and acquisitions.  The shelf registration
was declared  effective by the Securities and Exchange  Commission on January 3,
1996.  As of the filing date of the  Corporation's  1996  Annual  Report on Form
10-K, no securities had been issued pursuant to this registration.

Accounts  Receivable Facility-In the fourth  quarter of 1994,  the  Corporation
entered into an accounts  receivable  facility (the  "Receivables  Facility") in
which USG Funding Corporation,  a special-purpose  subsidiary of the Corporation
formed under  Delaware law,  entered into  agreements  with U.S.  Gypsum and USG
Interiors.  These  agreements  provide  that USG  Funding  will  purchase  trade
receivables  (excluding  intercompany  receivables  owed by L&W  Supply) of U.S.
Gypsum and USG Interiors as generated,  in a transaction  designed to be a "true
sale" under applicable law. USG Funding is a party to a Master Trust arrangement
(the "Master Trust") under which the purchased  receivables are then transferred
to Chase  Manhattan  Bank as Trustee to be held for the  benefit of  certificate
holders in such trust.  A residual  interest in the Master Trust is owned by USG
Funding  through  subordinated  certificates.  Under a supplement  to the Master
Trust, certificates representing an ownership interest in the Master Trust of up
to $130 million have been issued to Citicorp Securities, Inc. Debt issued under
the  Receivables  Facility will have a final maturity in 2004 but may be prepaid
at any time. The interest rate on such debt is fixed at 8.2% through a long-term
interest  rate  swap.   Pursuant  to  the  applicable  reserve  and  eligibility
requirements, the maximum amount of debt issuable under the Receivables Facility
as of December 31, 1996 and 1995,  (including $80 million outstanding as of each
date) was $105  million  and $98  million,  respectively.  Under  the  foregoing
agreements and related documentation, USG Funding is a separate corporate entity
with its own separate creditors that will be entitled to be satisfied out of USG
Funding's assets prior to distribution of any value to its shareholder.

As of December 31, 1996 and 1995, the outstanding balance of receivables sold to
USG Funding and held under the Master Trust was $157  million and $142  million,
respectively,  and debt  outstanding  under  the  Receivables  Facility  was $80
million as of each date. Receivables and debt outstanding in connection with the
Receivables Facility remain in receivables and long-term debt, respectively,  on
the Consolidated Balance Sheet.


The  Financial   Accounting   Standards  Board  issued  Statement  of  Financial
Accounting  Standards ("SFAS") No. 125,  "Accounting for Transfers and Servicing
of Financial  Assets and  Extinguishments  of  Liabilities."  As  required,  the
Corporation  will adopt SFAS No. 125 on January 1, 1997.  The  adoption  of this
statement  will  not  have  any  impact  on the  results  of  operations  or the
consolidated financial position of the Corporation.

3. Debt
<TABLE>

Total debt,  including  currently  maturing debt, as of December 31 consisted of
the following:
<CAPTION>

                                                                  1996     1995
 (dollars in millions)                                            ----     ----
<S>                                                              <C>      <C>            
Secured Debt:
Revolving Credit Facility due 2002                               $ 110    $ 260
Receivables Facility due 2003 and 2004                              80       80
Senior notes and debentures:
        8% senior notes due 1996                                    --       28
        8% senior notes due 1997                                    41       41
        9.25% senior notes due 2001                                150      150
        7.875% sinking fund debentures due 2004                     --       22
        8.5% senior notes due 2005                                 150      150
        8.75% sinking fund debentures due 2017                     140      140
Unsecured Debt:
Canadian credit facility due 1997                                   50       --
Industrial revenue bonds, 5.9% ranging to 8.8%,                     
    due through 2020                                                40       41
Other unsecured debt, average interest rate 4.6% and 7.6%,
        varying payments through 2006                               11       14
                                                                  ----     ----
Total principal amount of debt                                     772      926
- ------------------------------                                    ----     ----
Less unamortized reorganization discount                           (17)     (19)
- ----------------------------------------                          ----     ----
Total carrying amount of debt                                      755      907
                                                                  ====     ====
</TABLE>

On July 27, 1995, the Corporation entered into a seven-year $500 million secured
Revolving  Credit  Facility,  which  includes  a $125  million  letter of credit
subfacility,  with a syndicate  of banks under a credit  agreement  (the "Credit
Agreement").  The Revolving Credit Facility will not require  amortization prior
to maturity in 2002 and is secured by a pledge of the outstanding  capital stock
of the Corporation's  major domestic  subsidiaries,  including U.S. Gypsum,  USG
Interiors,  L&W Supply and USG Foreign  Investments,  Ltd. However, the security
will be  permanently  released at such time as the  Corporation's  senior public
debt is rated investment grade.

The Credit  Agreement  contains  material  restrictions  on the operation of the
Corporation's business, including, without limitation,  covenants pertaining to:
(i)  investments  (ii)  dividends,  distributions  and  repurchases of stock and
subordinated  debt,  provided  that  this  covenant,  as  well  as the  covenant
regarding  investments,  would no longer  apply  once the  Corporation's  senior
public debt  rating is  investment  grade  (iii)  liens (iv) sale and  leaseback
transactions (v) mergers, consolidations and sales of assets with respect to the
Corporation and major  subsidiaries  (vi) acquisitions of businesses not related
to the building materials industry (vii) use of proceeds,  provided that the use
of proceeds  arising from the issuance of additional  debt and equity will be at
the Corporation's discretion (viii) debt or guarantees thereof (ix) restrictions
in other  agreements on the ability of subsidiaries to declare and pay dividends
and (x) financial  covenants or events of default in other debt  agreements that
are more  restrictive  than  those  contained  in the  Credit  Agreement.  These
negative covenants contain certain  exceptions to the restrictions  imposed upon
the operation of the Corporation's business.

As of December 31, 1996,  outstanding  revolving loans totaled $110 million, and
letters of credit issued and  outstanding  amounted to $47 million,  leaving the
Corporation with $343 million of unused and available credit under the Revolving
Credit  Facility.  The  revolving  loans bear  interest at the London  Interbank
Offered Rate ("LIBOR") as determined from time to time plus an applicable spread
based on the  Corporation's  net debt to EBITDA  ratio (as defined in the Credit
Agreement)  for the  preceding  four  quarters.  As of December  31,  1996,  the
applicable spread was .625%. The average rate of interest on the revolving loans
was 6.3% during the year ended  December 31, 1996, and 6.8% during the period of
July 27 through  December  31,  1995.  The average rate of interest on bank term
loans  under the former  bank  credit  agreement  was 8.2%  during the period of
January 1 through July 26, 1995.  (See "Note 4. Financial  Instruments  and Risk
Management" for information on instruments used by the Corporation to manage the
impact of interest rate changes on LIBOR-based bank debt.)


The $50 million  Canadian  credit  facility due 1997 was classified as long-term
debt on the Consolidated  Balance Sheet because it is the Corporation's  intent,
and it has the  ability,  to replace  this  interim  financing  facility  with a
long-term financing arrangement.

The weighted average interest rate on outstanding short-term borrowings was 4.2%
and 6.2% as of December 31, 1996 and 1995, respectively.

The fair  market  value of total  debt  outstanding  was $777  million  and $928
million as of December 31, 1996 and 1995, respectively, based on indicative bond
prices as of those dates,  excluding other unsecured debt, the fair market value
of which was not practicable to estimate.

As of December 31,  1996,  aggregate  scheduled  maturities  of long-term  debt,
excluding amounts classified as current  liabilities,  were zero for each of the
years 1998 through 2000 and $150 million for 2001.

4. Financial Instruments and Risk Management

The Corporation has limited  involvement with derivative  financial  instruments
and does not use them for trading purposes. They are used to manage well-defined
interest  rate and energy  cost  risks as well as  occasional  foreign  currency
exchange  exposure.  The  following  table  presents  the  carrying  amounts and
estimated fair value of the  Corporation's  derivative  portfolio as of December
31:
<TABLE>

 (dollars in millions)                                    1996             1995
                                                          ----             ----
<S>                                                      <C>              <C>    
Interest Rate Contracts:
Notional amount                                          $ 171            $ 305
Carrying amount                                             --                3
Fair value                                                 (10)             (21)
Energy Price Swaps:
Notional amount                                             43               33
Carrying amount                                             --               --
Fair value                                                   4                2
Foreign Exchange Contract:
Notional amount                                             15               --
Carrying amount                                             --               --
Fair value                                                  --               --
</TABLE>

The amounts  reported as fair value  represent the market value as obtained from
broker  quotations.  The negative  fair values are  estimates of the amounts the
Corporation  would need to pay as of December  31, 1996 and 1995,  to cancel the
contracts or transfer them to other parties.

The  Corporation is exposed to credit losses in the event of  nonperformance  by
the counterparties on all its derivative  contracts but has no off-balance-sheet
credit risk of accounting loss. All counterparties  have investment grade credit
standing;  accordingly,  the Corporation  anticipates that these  counterparties
will be able to  satisfy  fully  their  obligations  under  the  contracts.  The
Corporation  does not obtain  collateral or other security to support  financial
instruments  subject  to  credit  risk  but  monitors  the  credit  standing  of
counterparties.

Interest Rate Risk  Management-The  Corporation  enters into swap agreements and
purchases  interest  rate caps to manage the impact of interest  rate changes on
LIBOR-based  bank debt.  As of  December  31,  1996,  the  Corporation  owned an
interest rate cap that capped the Corporation's  expected  LIBOR-based  interest
payments on $25 million  notional  principal at 5.6% for 1997.  The  Corporation
also entered into various interest rate swap agreements  whereby the Corporation
pays a  fixed  rate  in  exchange  for  LIBOR.  As of  December  31,  1996,  the
Corporation  has  agreements  in place to pay 7.1% in exchange  for LIBOR on $50
million  notional  principal  for the years 1997 through 2000 and on $25 million
notional  principal for 2001 and 2002. In addition,  the Corporation has entered
into $80  million of  interest  rate swap  agreements  to hedge its  Receivables
Facility on which the  interest  payments are based on  commercial  paper rates.
Under these  agreements,  the Corporation  pays a fixed rate of 8.2% in exchange
for the monthly commercial paper rate due on the Receivables Facility.

The  Corporation  also has in place an interest rate swap agreement to hedge the
anticipated  long-term  financing  arrangement  that will  replace  the  interim
financing facility  associated with the purchase of the minority interest in its
Canadian  subsidiary,  CGC Inc.  ("CGC").  (See "Note 5.  Purchase of Subsidiary
Minority Interest.")  Under this  agreement,  the Corporation is required to pay
a fixed rate of 5.8% on a notional principal amount of $21 million Canadian ($16
million U.S.) in exchange for three-month  Canadian  Bankers  Acceptance  Rates.
This contract  became  effective on January 22, 1997, and matures on January 22,
2002.

As of December 31, 1995,  the  Corporation  owned interest rate caps that capped
the  Corporation's  expected  LIBOR-based  bank debt  interest  payments on $100
million notional principal at 7.0% for 1996 and 6.7% for 1997. Additionally,  as
of December 31, 1995,  the  Corporation  had  agreements in place to pay 7.1% in
exchange for LIBOR on $125 million notional principal for the years 1996 through
2000 and on $50  million  notional  principal  for 2001 and  2002.  Also,  as of
December  31,  1995,  the  Corporation  had $80  million of  interest  rate swap
agreements to hedge its Receivables Facility.

Premiums  paid for  purchased  interest  rate cap  agreements  are  amortized to
interest expense over the term of the caps. Unamortized premiums are included in
other assets on the  Consolidated  Balance Sheet.  Amounts  receivable under cap
agreements and  receivables or payables under swap  agreements are accrued as an
increase or decrease to interest expense as appropriate.

Energy Cost Risk Management-The Corporation uses energy price swap agreements to
hedge  anticipated  purchases  of  fuel  to be  utilized  in  the  manufacturing
processes for gypsum  wallboard and ceiling tile.  Under these swap  agreements,
the Corporation  receives or makes payments based on the differential  between a
specified  price and the actual  closing  price for the current  month's  energy
price  contract.  As  of  December  31,  1996  and  1995,  the  Corporation  had
over-the-counter  swap  agreements  to  exchange  monthly  payments  on notional
amounts of energy  amounting to $43 million and $33 million,  respectively,  all
extending one year or less.

Upon  settlement  of  energy  price  contracts,  the  resulting  gain or loss is
included in cost of products sold, along with the actual spot energy cost of the
corresponding underlying hedged transaction, the combination of which amounts to
the predetermined specified contract price.

Foreign  Exchange Risk Management-As of December 31, 1996, the Corporation had a
foreign  exchange  forward  contract  in place to hedge the  refinancing  of the
purchase of the  minority  interest in CGC.  This  contract  was for $15 million
(U.S.) and matures in January 1997.  The deferred gain on this foreign  exchange
hedge was not  significant  as of December  31,  1996.  The  Corporation  had no
foreign exchange contracts as of December 31, 1995.

5. Purchase of Subsidiary Minority Interest

In the fourth quarter of 1996, the Corporation  purchased the minority  interest
in its  Canadian  subsidiary,  CGC.  The common  shares of  publicly  held stock
totaled  approximately  6 million and were acquired at a price of $11 (Canadian)
per share. The total amount paid in U.S. dollars for the shares was $49 million.
This payment was financed  initially through an interim Canadian credit facility
due 1997 and was classified as long-term debt on the Consolidated  Balance Sheet
and disclosed in "Note 3. Debt." The interim financing facility will be replaced
by a  long-term  financing  arrangement.  As a result of this  transaction,  CGC
recorded  goodwill of $41 million  (U.S.),  which is included in other assets on
the Consolidated Balance Sheet and will be amortized over 40 years.

6. Writedown of Assets

In the fourth  quarter of 1995,  the  Corporation  recorded a $30 million pretax
($24 million  after-tax)  charge in connection  with the sale of its  insulation
manufacturing  business in the United States,  which was completed in the second
quarter of 1996, and the closure of its insulation plant in Canada.  Included in
this  charge  is a $15  million  noncash  (no-tax-impact)  write-off  of  excess
reorganization  value  associated  with these  businesses.  The remainder of the
charge primarily reflects a writedown of the assets of these businesses to their
net realizable  value. The total charge is reflected in other  (income)/expense,
net in the Consolidated Statement of Earnings.


7. Income Taxes
<TABLE>
Earnings/(loss) before income taxes consisted of the following:
<CAPTION>

(dollars in millions)                                 1996       1995       1994
                                                      ----       ----       ----
<S>                                                 <C>        <C>        <C>   

U.S.                                                $ 138      $  73      $ (42)
Foreign                                                (6)        (8)         4
                                                     ----        ----       ----
Total                                                 132         65        (38)
                                                     ====        ====       ==== 

Income taxes consisted of the following:

(dollars in millions)                                1996       1995       1994
                                                     ----       ----       ----

Current:
Federal                                             $  90      $  67      $  39
Foreign                                                 5         10         12
State                                                  17         15         10
                                                     ----       ----       ----
                                                      112         92         61
                                                     ----       ----       ----
Deferred:
Federal                                                 3          7         (7)
Foreign                                                 1         (2)        --
State                                                   1         --         -- 
                                                     ----       ----       ---- 
                                                        5          5         (7)
                                                     ----       ----       ----
Total                                                 117         97         54
                                                     ====       ====       ====
</TABLE>

Differences between actual provisions for income taxes and provisions for income
taxes at the U.S.  federal  statutory rate (35% for the years ended December 31,
1996, 1995 and 1994) were as follows:

<TABLE>

(dollars in millions)                                 1996     1995      1994
                                                      ----     ----      ----
<S>                                                 <C>       <C>       <C>    
Taxes on income at federal statutory rate           $  46     $  23     $ (13)
Excess reorganization value amortization               59        64        59
Foreign earnings subject to different tax rates         2         2         4
State income tax, net of federal benefit               12        10         6
Percentage depletion                                   (3)       (3)       (3)
Other, net                                              1         1         1
                                                     ----      ----      ----
Provision for income taxes                            117        97        54
- --------------------------                           ----      ----      ----
Effective income tax rate                            88.9%    149.0%   (142.1%)
</TABLE>

Significant  components of deferred tax  (assets)/liabilities  as of December 31
were as follows:
<TABLE>

(dollars in millions)                                          1996        1995
- ---------------------                                          ----        ----
<S>                                                           <C>         <C>   
Property, plant and equipment                                 $ 171       $ 160
Debt discount                                                     7           8
                                                               ----        ----
Deferred tax liabilities                                        178         168
                                                               ----        ----
Pension and postretirement benefits                             (97)        (92)
Reserves not deductible until paid                             (106)        (86)
Other                                                             1           3
                                                               ----        ----
Deferred tax assets before valuation allowance                 (202)       (175)
Valuation allowance                                              90          90
                                                               ----        ----
Deferred tax assets                                            (112)        (85)
- -------------------                                            ----        ----
Net deferred tax liabilities                                     66          83
                                                               ====        ====
</TABLE>

A valuation  allowance  has been  provided for  deferred tax assets  relating to
pension and  retiree  medical  benefits  due  to the  long-term  nature of their
realization.  Under fresh start  accounting  rules,  any benefit  realized  from
utilizing $85 million of the valuation allowance does not impact net earnings.

The Corporation  used net operating loss  carryforwards  of $20 million in 1996,
$30 million in 1995 and $50 million in 1994 (the "NOL  Carryforwards") to offset
U.S.  taxable income in those years.  Under fresh start  accounting  rules,  the
benefit realized from these carryforwards does not impact net earnings.  Because
of the uncertainty regarding the application of the Internal Revenue Code to the
NOL  Carryforwards  as a result of USG's  financial  restructuring  in May 1993,
these carryforwards could be reduced or eliminated.

The  Corporation  does not  provide  for U.S.  income  taxes on the  portion  of
undistributed   earnings  of  foreign  subsidiaries  that  are  intended  to  be
permanently  reinvested.  The cumulative amount of such  undistributed  earnings
totaled  approximately  $138  million  as  of  December  31,  1996.  Any  future
repatriation of undistributed  earnings would not, in the opinion of management,
result in significant additional taxes.

8. Inventories

As of December 31, 1996 and 1995, the LIFO values of domestic  inventories  were
$141 million and $122  million,  respectively,  and would have been higher by $7
million  each if they were  valued  under the FIFO and average  production  cost
methods.  The  LIFO  value  of  U.S.  domestic  inventories  under  fresh  start
accounting  exceeded that computed for U.S.  federal  income tax purposes by $30
million  as of  December  31,  1996 and 1995.  Inventory  classifications  as of
December 31 were as follows:
<TABLE>

(dollars in millions)                                          1996         1995
                                                               ----         ----
<S>                                                            <C>          <C>   
Finished goods and work in process                             $118         $107
Raw materials                                                    58           60
Supplies                                                          9            8
- --------                                                       ----         ----
Total                                                           185          175
                                                               ====         ====
</TABLE>


9. Property, Plant and Equipment
<TABLE>
Property, plant and equipment classifications as of December 31 were as follows:
<CAPTION>

(dollars in millions)                                       1996           1995
                                                            ----           ----
<S>                                                      <C>            <C>  
Land and mineral deposits                                $    58        $    58
Buildings and realty improvements                            248            245
Machinery and equipment                                      758            676
                                                            ----           ----
                                                           1,064            979
Reserves for depreciation and depletion                     (177)          (137)
- ---------------------------------------                     ----           ----
Total                                                        887            842
                                                            ====           ====
</TABLE>

10. Leases

The  Corporation  leases  certain  of  its  offices,  buildings,  machinery  and
equipment,  and autos under  noncancelable  operating leases.  These leases have
various terms and renewal options.  Lease expense  amounted to $46 million,  $41
million and $37 million in the years ended  December  31,  1996,  1995 and 1994,
respectively. Future minimum lease payments required under operating leases with
initial or  remaining  noncancelable  terms in excess of one year as of December
31, 1996,  were $34 million in 1997,  $30 million in 1998,  $25 million in 1999,
$21 million in 2000 and $16 million in 2001. The aggregate obligation subsequent
to 2001 was $21 million.

11. Employee Retirement Plans

Pension Plans-The Corporation and most of its subsidiaries  have defined benefit
retirement plans for all eligible employees. Benefits of the plans are generally
based on years of service and employees'  compensation during the final years of
employment.  The  Corporation's   contributions  are  made  in  accordance  with
independent  actuarial  reports.  The Corporation  made special  fundings of $13
million and $16 million in 1996 and 1995,  respectively,  to one of its plans. A
normal funding of $5 million also was made in 1995 to one of its plans.  Minimal
funding was required for most plans in 1994.  Net pension  expense  included the
following components:
<TABLE>

(dollars in millions)                                    1996     1995     1994
                                                         ----     ----     ----
<S>                                                      <C>      <C>      <C>  
Service cost-benefits earned during the period           $ 12     $  9     $ 11
Interest cost on projected benefit obligation              35       35       31
Actual (return)/loss on plan assets                       (62)     (72)       1
Net amortization/(deferral)                                27       38      (35)
- ---------------------------                              ----     ----      ----
Net pension expense                                        12       10        8
                                                         ====     ====      ====
</TABLE>

The pension plan assets,  which  consist  primarily  of publicly  traded  common
stocks and debt  securities,  had an estimated  fair market value that was lower
than the  projected  benefit  obligation  as of December 31, 1996 and 1995.  The
following  table  presents a  reconciliation  of the total assets of the pension
plans to the projected benefit obligation as of December 31:
<TABLE>

(dollars in millions)                                             1996     1995
                                                                  ----     ----
<S>                                                              <C>      <C>    
Amount of assets available for benefits:
Funded assets of the plans at fair market value                  $ 464    $ 427
Accrued pension expense                                             26       23
                                                                  ----     ----
Total assets of the plans                                          490      450
                                                                  ----     ----
Present value of estimated pension obligation:
Vested benefits                                                    349      344
Nonvested benefits                                                  32       31
                                                                  ----     ----
Accumulated benefit obligation                                     381      375
Additional benefits based on projected future salary increases     111      110
                                                                  ----     ----
Projected benefit obligation                                       492      485
                                                                  ----     ----
Projected benefit obligation in excess of assets                    (2)     (35)
                                                                  ====     ==== 
</TABLE>

The  projected   benefit   obligation  in  excess  of  assets  consisted  of  an
unrecognized  net  loss  in  each  period  due to  changes  in  assumptions  and
differences between actual and estimated experience.

The expected  long-term rate of return on plan assets was 9% for the years ended
December 31, 1996 and 1995. The assumed  weighted  average discount rate used in
determining the accumulated benefit obligation was 7.5% and 7.25% as of December
31, 1996 and 1995,  respectively.  The rate of  increases  in  projected  future
compensation levels was 5% for both years.

Postretirement  Benefits-The  Corporation  maintains  plans that provide retiree
health care and life insurance  benefits for all eligible  employees.  Employees
generally  become  eligible for the retiree benefit plans when they meet minimum
retirement  age and service  requirements.  The cost of providing  most of these
benefits is shared with retirees.  The following table summarizes the components
of net periodic postretirement benefit cost:
<TABLE>

(dollars in millions)                                        1996   1995    1994
                                                             ----   ----    ----
<S>                                                          <C>    <C>     <C> 
Service cost of benefits earned                              $  6   $  4    $  6
Interest on accumulated postretirement benefit obligation      16     13      12
Net amortization/(deferral)                                    --     (1)     --
                                                             ----    ----   ----
Net periodic postretirement benefit cost                       22     16      18
                                                             ====   ====    ====
</TABLE>

The  status  of the  Corporation's  accrued  postretirement  benefit  cost as of
December 31 was as follows:
<TABLE>

(dollars in millions)                                            1996      1995
                                                                 ----      ----
Accumulated postretirement benefit obligation:
<S>                                                              <C>      <C> 
Retirees                                                         $119     $ 99
Fully eligible active  participants                                17       15
Other active  participants                                         86       71
                                                                 ----     ----
                                                                  222      185
Unrecognized net gain/(loss)                                       (7)      16
                                                                 ----     ----
Accrued  postretirement benefit cost liability recognized
on the Consolidated Balance Sheet                                 215      201
                                                                 ====     ====
</TABLE>

The  assumed  health  care cost trend  rate used in  measuring  the  accumulated
postretirement  benefit obligation was 9% as of December 31, 1996 and 1995, with
a rate gradually declining to 5% by 2000 and remaining at that level thereafter.
A  one-percentage-point  increase in the assumed health care cost trend rate for
each year would increase the accumulated  postretirement  benefit  obligation by
$33 million and $20 million as of December 31, 1996 and 1995, respectively,  and
would increase the net periodic postretirement benefit cost by $4 million and $2
million  for the years  ended  December  31,  1996 and 1995,  respectively.  The
assumed discount rate used in determining the accumulated postretirement benefit
obligation was 7.5% and 7.25% as of December 31, 1996 and 1995, respectively.

12. Stock-Based Compensation

The Corporation has issued stock options from two  compensation  plans: the 1995
Long-Term Equity Plan and the Management Performance Plan.

Under the 1995 Long-Term Equity Plan,  options were granted at an exercise price
equal to the market value on the date of grant.  All options  granted  under the
1995  Long-Term  Equity  Plan  have  10-year  terms  and vest and  become  fully
exercisable  at the end of two years.  Under the  Management  Performance  Plan,
options were granted at an exercise  price equal to the market value on the date
of grant.  These  options  become  exercisable  at the rate of  one-third of the
aggregate  grant on each of the  first  three  anniversaries  of the date of the
grant and expire on the 10th anniversary of the date of the grant, except in the
case of  retirement,  death or  disability,  in which  case  they  expire on the
earlier of the fifth anniversary of such event or the expiration of the original
option term.

The Financial  Accounting  Standards Board issued SFAS No. 123,  "Accounting for
Stock-Based  Compensation," which the Corporation adopted on January 1, 1996. As
permitted,  the  Corporation  continued  its current  method of  accounting  for
stock-based  compensation in accordance with Accounting Principles Board Opinion
No. 25.

In  accordance  with  SFAS No.  123,  the fair  value of each  option  grant was
estimated as of the date of grant using an option pricing model. The Corporation
used the Black-Scholes option pricing model with the following  weighted-average
assumptions  for options  granted in 1996: (i) zero dividend yield (ii) expected
volatility of 33% (iii) risk-free interest rate of 5.9% and (iv) expected option
life of 7.4 years. If the Corporation had elected to recognize compensation cost
for stock-based  compensation  grants  consistent with the method  prescribed by
SFAS No. 123,  net  earnings and net earnings per common share for 1996 and 1995
would  not have been  materially  different  from the  amounts  reported  in the
Consolidated Statement of Earnings.
<TABLE>
Stock option activity was as follows:
<CAPTION>
                                                        1996                      1995                   1994
                                              -----------------------    ---------------------  ----------------------
                                                             Weighted                 Weighted                Weighted
                                                             Average                   Average                 Average
                                                             Exercise                 Exercise                Exercise
                                               Options        Price      Options       Price     Options        Price
                                               -------        -----      -------       -----     -------        -----

<S>                                           <C>           <C>         <C>           <C>       <C>           <C>


Outstanding at beginning of period            2,560,100     $  19.19    2,764,500     $ 18.78   1,673,000     $ 10.31
Granted                                         359,500        29.40           --          --   1,161,500       30.46
Exercised                                      (343,035)       10.75     (172,555)      10.88     (23,800)      10.31
Canceled                                        (11,150)       28.29      (31,845)      28.33     (46,200)      10.31
- --------                                      ---------        -----    ---------       -----   ---------       -----
Outstanding at end of period                  2,565,415        21.71    2,560,100       19.19   2,764,500       18.78
                                              =========        =====    =========       =====   =========       =====
Exercisable at end of period                  1,888,715        18.82    1,369,295       16.31     578,020       10.31
Available for grant at end of period            467,045                   929,395                      50
</TABLE>

The weighted average fair value of options,  calculated using the  Black-Scholes
option  pricing  model,  granted  during the year ended  December 31, 1996,  was
$14.17.  No stock options were granted in 1995. The following  table  summarizes
information about stock options outstanding as of December 31, 1996:

<TABLE>

                              Options Outstanding              Options Exercisable
                   ---------------------------------------  -------------------------

                                   Weighted-      Weighted-                 Weighted-
Range of                            Average        Average                   Average
Exercise              Number       Remaining       Exercise   Number        Exercise
 Prices            Outstanding   Contractual Life   Price   Exercisable       Price
 ------            -----------   ----------------   -----   -----------       -----
<S>                 <C>              <C>         <C>          <C>          <C>         

$ 5 to $15          1,103,700        6.4         $  10.31     1,103,700    $  10.31
 15 to  25            203,300        7.6            21.88       130,700       21.88
 25 to  35          1,258,415        7.7            31.68       654,315       32.56
 ---------          ---------        ---            -----       -------       -----
 Total              2,565,415                                 1,888,715
                    =========                                 =========
</TABLE>

13. Stockholders' Equity
<TABLE>

Changes in stockholders' equity are summarized as follows:
<CAPTION>

(dollars in millions)                                1996       1995       1994
                                                     ----       ----       ----
<S>                                                 <C>        <C>        <C>    
Common Stock:
Beginning balance                                   $   5      $   5      $   4
Equity offering                                        --         --          1
- ---------------                                      ----       ----       ----
Ending balance                                          5          5          5
                                                     ----       ----       ----

Capital Received in Excess of Par Value:
Beginning balance                                     223        221         --
Equity offering                                        --         --        223
Other, net                                              8          2         (2)
                                                     ----       ----       ----
Ending balance                                        231        223        221
                                                     ----       ----       ----

Deferred Currency Translation:
Beginning balance                                      (6)       (13)        (9)
Change during the period                               (4)         7         (4)
                                                     ----       ----       ----
Ending balance                                        (10)        (6)       (13)
                                                     ----       ----       ----

Reinvested Earnings/(Deficit):
Beginning balance                                    (259)      (221)      (129)
Net earnings/(loss)                                    15        (32)       (92)
Other, net                                             (5)        (6)        --
                                                     -----      -----      -----
Ending balance                                       (249)      (259)      (221)
- --------------                                       -----      -----      -----
Total stockholders' equity/(deficit)                  (23)       (37)        (8)
                                                     =====      =====      ===== 
</TABLE>

There  were  31,488 and 33,988  shares of $0.10 par value  common  stock held in
treasury  as of  December  31, 1996 and 1995,  respectively.  These  shares were
acquired  through the forfeiture of restricted stock and the surrender of shares
in settlement of tax withholding obligations.

In 1994, the Corporation  implemented an equity offering under which  14,375,000
shares of common stock were sold to the public,  consisting of 7,900,000  shares
issued by the  Corporation  and 6,475,000 sold by Water Street.  Net proceeds to
the  Corporation  from  the  equity  offering  amounted  to  $224  million.  The
Corporation  did not  receive  any  proceeds  from the sale of  shares  by Water
Street.

Warrants-As of  December  31, 1996 and 1995,  outstanding  warrants  amounted to
2,591,091 and 2,592,228,  respectively. The warrants are exercisable, subject to
applicable  securities  laws,  at any time prior to May 6,  1998.  Each share of
common stock issued upon  exercise of a warrant prior to the  distribution  date
(as defined in the Rights  Agreement)  and prior to the redemption or expiration
of the Rights will be  accompanied  by an attached  Right issued under the terms
and  subject  to the  conditions  of the Rights  Agreement  as it may then be in
effect.

On May 6,  1993,  a total of  2,602,566  warrants,  each to  purchase a share of
common  stock at an  exercise  price of $16.14 per share,  in addition to common
stock,  were issued to holders of certain  debt that was  converted to equity in
the financial restructuring implemented on that date. Upon issuance, each of the
warrants entitled the holder to purchase one share of common stock at a purchase
price of $16.14 per share, subject to adjustment under certain events.

Stockholder  Rights Plan-On May 6, 1993, a rights plan (the "Rights  Agreement")
was adopted  pursuant to which the  Corporation  declared a distribution  of one
right (the  "Rights")  upon each share of common  stock.  The Rights,  which are
intended  to protect the  Corporation  and its  stockholders  in the event of an
unsolicited attempt to acquire the Corporation,  generally become exercisable 10
days  following  the  announcement  of the  acquisition  of 20% or  more  of the
outstanding  common stock by someone  other than the  Corporation  or one of its
employee benefit plans (10% in the case of an acquisition that the Corporation's
Board of Directors  determines to represent a threat of  acquisition  not in the
best  interests of the  Corporation's  stockholders)  or 10 business  days after
commencement of a tender offer for 30% or more of the outstanding  common stock.
When exercisable,  each of the Rights entitles the registered holder to purchase
one-hundredth of a share of a junior  participating  preferred stock,  series C,
$1.00 par value per share, at a price of $35.00 per one-hundredth of a preferred
share, subject to adjustment.  The Rights also provide for a so-called "flip-in"
feature and an exchange feature.

In the event that the  Corporation is the surviving  corporation  and its common
stock  remains   outstanding  and  unchanged  in  a  merger  or  other  business
combination with such acquiring party or the acquiring party engages in one of a
number of self-dealing transactions specified in the Rights Agreement, or in the
event that there is a 10% acquisition that the Board of Directors  determines to
represent a threat of acquisition not in the best interests of the Corporation's
stockholders,  each  holder of a Right,  other than the  acquiring  party,  will
thereafter  have the right,  subject to the  exchange  feature,  to receive upon
exercise  thereof that number of shares of common stock having a market value at
the time of such transaction of two times the exercise price of the Right.

14. Industry and Geographic Segments

Transactions  between  industry and  geographic  segments are  accounted  for at
transfer  prices  that are  approximately  equal to market  value.  Intercompany
transfers   between   industry  and   geographic   segments  are  not  material.
Eliminations  reflect  intercompany sales between industry  segments.  No single
customer  accounted for 10% or more of consolidated  net sales.  Export sales to
foreign  unaffiliated  customers  represent  less than 10% of  consolidated  net
sales. Segment operating  profit/(loss) includes all costs and expenses directly
related to the segment  involved and an allocation of expenses that benefit more
than one segment.  Segment  operating  profit/(loss)  also  includes the noncash
amortization of excess  reorganization  value,  which had the impact of reducing
operating profit and identifiable assets for North American Gypsum and Worldwide
Ceilings.  The  decrease  in 1995  corporate  identifiable  assets  versus  1994
primarily  reflects  a $127  million  reduction  in cash  and  cash  equivalents
primarily because of debt repayments.

Assets for USG Funding, which was established in 1994, represent the outstanding
balance of  receivables  purchased from U.S.  Gypsum and USG  Interiors,  net of
reserves,  and are included in "corporate  identifiable assets" in the following
table.  As of  December  31,  1996,  1995 and  1994,  such  receivables,  net of
reserves, amounted to $121 million, $110 million and $123 million, respectively,
including $89 million,  $78 million and $84 million  purchased from U.S.  Gypsum
and $32 million,  $32 million and $39 million purchased from USG Interiors as of
the respective dates.

<TABLE>
Industry Segments
<CAPTION>
                                               North
(dollars in millions)                        American  Worldwide
                                              Gypsum   Ceilings  Corporate Eliminations Total
                                              ------   --------  --------- ------------ -----
<S>                                           <C>      <C>       <C>        <C>        <C> 

1996
Net sales                                     $2,067   $  612    $  --      $  (89)    $2,590
Amortization of excess reorganization value       82       87       --          --        169
Operating profit/(loss)                          291      (44)     (39)         --        208
Depreciation, depletion and amortization          44       15        6          --         65
Capital expenditures                              63       56        1          --        120
Identifiable assets                            1,161      478      184          (5)     1,818

1995
Net sales                                      1,924      609       --         (89)     2,444
Amortization of excess reorganization value       82       87       --          --        169
Operating profit/(loss)                          262      (34)     (38)         --        190
Depreciation, depletion and amortization          42       14       11          --         67
Capital expenditures                              96       49        2          --        147
Identifiable assets                            1,157      531      206          (4)     1,890

1994
Net sales                                      1,780      594       --         (84)     2,290
Amortization of excess reorganization value       82       87       --          --        169
Operating profit/(loss)                          184      (38)     (42)         --        104
Depreciation, depletion and amortization          38       13       33          --         84
Capital expenditures                              49       15       --          --         64
Identifiable assets                            1,178      600      352          (6)     2,124
</TABLE>

<TABLE>
Geographic Segments
<CAPTION>
<PAGE>

                                                                          Transfers
                                                                           Between
                                                                  Other   Geographic      
(dollars in millions)                     United States Canada   Foreign    Areas     Total
                                           ------------ -------  -------    -----     -----
<S>                                           <C>      <C>       <C>       <C>       <C>   

1996
Net sales                                     $2,319   $  169    $  242    $ (140)   $2,590
Amortization of excess reorganization value      135       18        16        --       169
Operating profit/(loss)                          209        1        (2)       --       208
Depreciation, depletion and amortization          53        6         6        --        65
Capital expenditures                             102       13         5        --       120
Identifiable assets                            1,472      177       169        --     1,818

1995
Net sales                                      2,161      155       246      (118)    2,444
Amortization of excess reorganization value      135       18        16        --       169
Operating profit/(loss)                          191       (3)        2        --       190
Depreciation, depletion and amortization          56        6         5        --        67
Capital expenditures                             123       19         5        --       147
Identifiable assets                            1,557      146       187        --     1,890

1994
Net sales                                      2,008      164       228      (110)    2,290
Amortization of excess reorganization value      135       18        16        --       169
Operating profit                                  94        2         8        --       104
Depreciation, depletion and amortization          74        5         5        --        84
Capital expenditures                              52        9         3        --        64
Identifiable assets                            1,770      153       200         1     2,124
</TABLE>


15. Litigation

Asbestos Litigation-One of the Corporation's subsidiaries, U.S. Gypsum, is among
numerous  defendants  in  lawsuits  arising out of the  manufacture  and sale of
asbestos-containing    building    materials.    U.S.    Gypsum   sold   certain
asbestos-containing  products beginning in the 1930s; in most cases the products
were  discontinued or asbestos was removed from the product formula by 1972, and
no  asbestos-containing  products were sold after 1977.  Some of these  lawsuits
seek to  recover  compensatory  and in many  cases  punitive  damages  for costs
associated with  maintenance or removal and  replacement of  asbestos-containing
products  in  buildings  (the  "Property   Damage  Cases").   Other  suits  seek
compensatory  and in many cases punitive  damages for personal injury  allegedly
resulting  from  exposure  to asbestos  and  asbestos-containing  products  (the
"Personal Injury Cases").  It is anticipated that additional personal injury and
property damage cases containing similar allegations will be filed.

As discussed  below,  U.S. Gypsum had  substantial  personal injury and property
damage  insurance  during the years involved in the asbestos  litigation.  After
deducting  insolvencies  and amounts already  received from carriers,  including
approximately  $133 million  received during 1995 and 1996,  approximately  $350
million of insurance remained potentially  available as of December 31, 1996, of
which approximately $130 million is no longer contested and another $145 million
is in dispute only for property damage  coverage.  Remaining  coverage  disputes
with five  excess  insurance  carriers  are  being  litigated  in a  declaratory
judgment action filed by U.S. Gypsum in the Circuit Court of Cook County,  Ill.,
in 1983 (U.S.  Gypsum  Co. v.  Admiral  Insurance  Co.,  et al.) (the  "Coverage
Action"), described below.

U.S. Gypsum's aggregate expenditures for all asbestos-related matters, including
property damage,  personal  injury,  insurance  coverage  litigation and related
expenses,  exceeded  aggregate  insurance  payments  by $33.4  million  in 1994.
However,   insurance  payments  exceeded  aggregate  asbestos-related  costs  by
approximately $10 million in 1995 and  $41 million in 1996 due to the receipt of
reimbursement for amounts expended in prior years.

Property  Damage Cases-The Property  Damage Cases have been brought against U.S.
Gypsum by a  variety  of  plaintiffs,  including  state  and local  governments,
colleges and universities, and private property owners. As of December 31, 1996,
23 Property Damage Cases were pending against U.S. Gypsum;  however,  the number
of buildings  involved is greater than the number of cases because many of these
cases,   including  the  class  actions  referred  to  below,  involve  multiple
buildings.  In  addition,  approximately  23  property  damage  claims have been
threatened  against  U.S.  Gypsum.   U.S.  Gypsum  has  denied  the  substantive
allegations  of each of the  Property  Damage  Cases and  intends to defend them
vigorously except when advantageous settlements are possible.

Class  Actions:  U.S.  Gypsum is one of several  defendants in two pending cases
that have been certified as class  actions,  as well as others that request such
certification.  The damages claimed against U.S. Gypsum in the class actions are
unspecified. The two certified class actions are a conditionally certified class
of all colleges and  universities in the United States,  which  certification is
presently  limited to the  resolution of certain  allegedly  "common"  liability
issues (Central  Wesleyan College v. W.R. Grace & Co., et al.,  U.S.D.C.  S.C.),
and a class  action on behalf of  various  public  bodies in the State of Texas,
including cities, counties, hospitals, port authorities and colleges (Kirbyville
Independent School District v. U.S. Gypsum Co., et al.,  U.S.D.C.,  E.D. Texas).
During 1996, U.S. Gypsum obtained final approval of a $3.6 million settlement of
another  class  action  involving  owners of  buildings  leased  to the  federal
government  (Prince  George  Center,  Inc. v. U.S.  Gypsum Co., et al., Court of
Common Pleas, Philadelphia, Pa.).

A case pending in state court in South Carolina, which has not been certified as
a class  action,  purports  to be a class  action  on  behalf  of owners of most
buildings in South  Carolina that contain  certain types of  asbestos-containing
products  manufactured by the named defendants,  including U.S. Gypsum (Anderson
County  Hospital v. W.R.  Grace & Co.,  et al.,  Court of Common Pleas,  Hampton
Co.,  S.C.).  In September  1996, the plaintiff  voluntarily  dismissed  certain
fraudulent  conveyance  allegations  against  U.S.  Gypsum  and the  Corporation
relating to the Corporation's 1988 restructuring.

Results to Date: In total,  U.S. Gypsum has settled  approximately  104 Property
Damage  Cases,  involving  235  plaintiffs,   in  addition  to  3  class  action
settlements.  Twenty-four cases have been tried to verdict, 16 of which were won
by U.S.  Gypsum and 5 lost; 3 other cases,  1 won at the trial level and 2 lost,
were settled  during  appeals.  In the cases lost,  compensatory  damage  awards
against U.S. Gypsum have totaled $11.5 million.  Punitive  damages totaling $5.5
million were entered  against  U.S.  Gypsum in four trials.  Two of the punitive
damage awards,  totaling $1.45 million, were paid, and 2 were settled during the
appellate process.

In 1994, 5 Property  Damage Cases were filed against U.S.  Gypsum,  5 cases were
dismissed before trial, 19 were settled, 1 was closed following trial or appeal,
and 41 were pending at year end.  U.S.  Gypsum  expended  $40.6  million for the
defense and resolution of Property Damage Cases and received  insurance payments
of $9 million in 1994. In 1995, 3 Property  Damage Cases were filed against U.S.
Gypsum,  7 cases were  dismissed  before trial,  3 were  settled,  2 were closed
following trial or appeal, and 32 were pending at year end. U.S. Gypsum expended
$36 million for the defense and resolution of Property Damage Cases and received
insurance  payments of $48.6  million in 1995.  During 1996,  2 Property  Damage
Cases were filed against U.S.  Gypsum,  3 cases were  dismissed  before trial, 8
were  settled,  and 23 were  pending at year end;  U.S.  Gypsum  expended  $33.4
million for the defense and  resolution  of Property  Damage  Cases and received
insurance  payments  of $84  million  in  1996.  A  substantial  portion  of the
insurance payments was reimbursement for amounts expended in prior years.

Estimated  Cost: In the Property  Damage Cases  litigated to date, a defendant's
liability  for  compensatory  damages,  if any,  has  been  limited  to  damages
associated  with the  presence  and  quantity  of  asbestos-containing  products
manufactured  by that  defendant  that are identified in the buildings at issue.
Because of the unique  factors  inherent in each of the Property  Damage  Cases,
including the lack of reliable information as to product  identification and the
amount of damages claimed against U.S. Gypsum in many cases, including the class
actions described above,  management is unable to make a reasonable  estimate of
the cost of disposing of pending Property Damage Cases.

Personal  Injury Cases-U.S.  Gypsum was among  numerous  defendants  in asbestos
Personal Injury Cases involving  approximately  59,600  claimants  pending as of
December 31, 1996, although  approximately 13,000 of such claims are settled but
not yet closed. In addition,  27,000 of such claims are enjoined from proceeding
because they did not "opt out" of the Georgine  class action  referred to below;
an appellate  court has ruled that the class action must be decertified  and the
injunction  dissolved,  although the U.S.  Supreme Court is now  reviewing  that
ruling.

Center for Claims  Resolution:  U.S. Gypsum is a member,  together with 19 other
former  producers of  asbestos-  containing  products,  of the Center for Claims
Resolution  (the "Center").  The Center has assumed the handling,  including the
defense and settlement, of all Personal Injury Cases pending against U.S. Gypsum
and the other  members of the  Center.  Each  member of the Center is assessed a
portion of the liability and defense costs of the Center for the Personal Injury
Cases handled by the Center,  according to  predetermined  allocation  formulas.
Virtually all of U.S.  Gypsum's  personal injury liability and defense costs are
paid by  those  of its  insurance  carriers  that in 1985  signed  an  Agreement
Concerning Asbestos-Related Claims (the "Wellington Agreement"), obligating them
to provide  coverage for the defense and indemnity costs incurred by U.S. Gypsum
in Personal Injury Cases.  Punitive damages have never been awarded against U.S.
Gypsum in a Personal  Injury Case, but whether such an award would be covered by
insurance under the Wellington Agreement would depend on state law and the terms
of the individual policies.

U.S.  Gypsum's  average  settlement cost for Personal Injury Cases over the past
three years has been approximately $1,600 per claim, exclusive of defense costs.
Management anticipates that the average settlement cost may increase due to such
factors as the possible insolvency of co-defendants,  although this increase may
be offset to some extent by other factors,  including the  possibility for block
settlements  of  large  numbers  of  cases  and  the  apparent  increase  in the
percentage of asbestos personal injury cases that appear to have been brought by
individuals with little or no physical impairment.

During 1994,  approximately 14,000 Personal Injury Cases were filed against U.S.
Gypsum;  U.S. Gypsum was added as a defendant in approximately  4,000 cases that
had been previously filed; and  approximately  23,000 were settled or dismissed.
U.S.  Gypsum  incurred  expenses of $38 million in 1994 with respect to Personal
Injury  Cases,  of which  $37.3  million  was paid by  insurance.  During  1995,
approximately  13,000 Personal Injury Cases were filed against U.S. Gypsum,  and
17,600 were settled or dismissed. U.S. Gypsum incurred expenses of $32.1 million
in 1995 with respect to Personal  Injury Cases,  of which $30.9 million was paid
by insurance. During 1996, approximately 28,000 Personal Injury Cases were filed
against U.S. Gypsum,  and approximately  20,000 were settled or dismissed.  U.S.
Gypsum  incurred  expenses  of $28.6  million in 1996 with  respect to  Personal
Injury Cases,  of which $21.6 million was paid by insurance.  (The  reduction in
the portion of the cost paid by insurance in 1996 was attributable to the impact
of certain  insurer  insolvencies.)  As of December  31, 1996,  1995,  and 1994,
approximately 59,600,  50,000, and 54,000 Personal Injury Cases were outstanding
against U.S. Gypsum, respectively.

Georgine Class Action Settlement: On January 15, 1993, U.S. Gypsum and the other
members  of the  Center  entered  into a class  action  settlement  in the  U.S.
District  Court for the Eastern  District of  Pennsylvania  (Georgine  et al. v.
Amchem Products Inc., et al., Case No. 93-CV-0215;  hereinafter "Georgine").  As
noted below,  the U.S.  Supreme Court is currently  reviewing a Court of Appeals
ruling that the class should be decertified and the settlement vacated. However,
the settlement,  if implemented,  creates an administrative  compensation system
that will replace  judicial claims for all persons who have been  occupationally
exposed to asbestos-containing  products manufactured by the defendants,  unless
they filed either an asbestos personal injury suit prior to January 24, 1994, or
an "opt out"  request  (a  request to retain the right to file suit in the court
system without regard to the  provisions of Georgine).  The Georgine  settlement
would  provide  fair and  adequate  compensation  to  future  claimants  who can
demonstrate  exposure  to  asbestos-containing   products  manufactured  by  the
defendants  and  the  presence  of an  asbestos-related  disease.  Each  of  the
defendants committed to fund a defined portion of the settlement, up to a stated
maximum  amount,  over the initial  10-year  period of the  agreement  (which is
automatically  extended unless  terminated by the  defendants).  In each year, a
limited  number of class  members would have certain  rights to prosecute  their
claims  for  compensatory  damages  in court  if they  reject  the  compensation
provided through the administrative  process. In addition,  approximately 85,000
individuals  opted  out  of  the  settlement.  (Approximately  33,000  of  these
individuals  had filed suit as of December  31,  1996,  although not all of such
suits named U.S.  Gypsum as a defendant.)  Claimants who attempt to file suit in
the courts but have not opted out of Georgine, including approximately 27,000 of
the pending Personal Injury Cases, are enjoined from further  proceeding against
the Center  members in the courts and will be  required  to pursue  such  claims
through the Georgine  administrative  process  unless the injunction is vacated.
Final  consummation  of the settlement is contingent  upon,  among other things,
court  approval  of the  settlement,  and a  ruling  that  the  Center  members'
insurers,  many of which dispute  coverage for  Georgine,  are obligated to fund
their portion of it.

On May 10,  1996,  the U.S.  Court of Appeals for the Third  Circuit  ruled that
Georgine does not meet the requirements for class certification and ordered that
the  injunction  be vacated and that the  district  court  decertify  the class.
However,  on November 1, 1996, the U.S. Supreme Court agreed to review the Third
Circuit  decision.  The Third Circuit  ruling  is stayed until the Supreme Court
issues its decision, which is expected during the first half of 1997. The Center
has continued to process and resolve  Georgine  administrative  claims while the
appeal  is  pending.  As  of  December  31,  1996,  U.S.  Gypsum  was  named  in
approximately 5,600 open Georgine claims.

If the Third  Circuit  ruling  is not  reversed,  the  Georgine  settlement  and
injunction will be dissolved and future Personal Injury Cases will be dealt with
in the court system unless an alternative  to Georgine can be negotiated.  It is
also expected that plaintiffs in a substantial number of pending personal injury
suits against other companies will amend their complaints to add Center members,
including U.S.  Gypsum,  as defendants if the Georgine  settlement is dissolved.
Filings of Personal Injury Cases  increased  following the Third Circuit ruling,
although most of the new filings were brought on behalf of  individuals  who did
not opt out of Georgine,  subjecting  their cases to dismissal  unless the Third
Circuit ruling is affirmed by the Supreme Court.

Estimated Cost:  Management has estimated U.S.  Gypsum's  liability for Personal
Injury  Cases based upon  information  provided  by the Center,  and taking into
account  the  experience  of U.S.  Gypsum  and the Center as well as a number of
uncertainties.

Management  estimates U.S.  Gypsum's  probable cost of disposing of all Personal
Injury Cases  pending on December 31, 1996,  to be between $100 million and $115
million, virtually all of which is expected to be paid by insurance.

If Georgine is  implemented  in its current form (which would require a reversal
of the Court of Appeals ruling by the Supreme Court),  management estimates U.S.
Gypsum's  maximum total  exposure in all Personal  Injury Cases,  including both
those currently  pending and those filed during the next eight years (other than
cases  filed in the  future  by  persons  who opted  out of the  Georgine  class
action),  to be  between  $190  million  and  $200  million,  of  which  all but
approximately  $10 million is expected to be paid by  insurance.  The  estimated
cost of  Personal  Injury  Cases if Georgine  is  implemented  is based upon the
maximum  number of claims  eligible to be  processed  in each year and the total
amount potentially available to the claimants over the remaining  eight years of
the initial  10-year term of Georgine.  U.S.  Gypsum's  actual  liability  under
Georgine may be lower, depending upon the number and severity of claims that are
filed.  As noted,  these estimates do not include future opt out Personal Injury
Cases. U.S. Gypsum's  additional  exposure for opt out cases would depend on the
number and  severity of such claims that are filed,  which  cannot  presently be
determined.

If Georgine is not implemented,  management is unable to estimate U.S.  Gypsum's
liability in future Personal Injury Cases, because liability in such cases would
depend upon the number and severity of such claims that are filed,  which cannot
presently be determined.

U.S. Gypsum records an accrual for currently  pending Personal Injury Cases, and
separately  records an asset in the amount of such liability that is expected to
be paid by  uncontested  insurance.  As of December 31,  1996,  this accrual and
asset were each in the amount of $100 million.  No reserve has been recorded for
future  Personal  Injury Cases due to the  uncertainty  concerning  the ultimate
implementation  of  Georgine  and  management's  current  inability  to estimate
liability in future Personal Injury Cases if Georgine is dissolved.

Coverage  Action-U.S.  Gypsum has  resolved its  coverage  disputes  with twelve
carriers.  Five  carriers  remain  as  defendants  in  the  Coverage  Action  in
connection with coverage for future  asbestos-related  costs. U.S. Gypsum's only
remaining insurance claims relating to its past expenditures are
against carriers that are now insolvent. (See "Insolvent Carriers" below.)

The property  damage  phase of the Coverage  Action was tried using eight "test"
Property Damage Cases.  On November 4, 1994, the Illinois  Appellate Court ruled
that the eight "test" cases were covered under all insurance  policies in effect
from the date of  installation  to the date of  removal  of  asbestos-containing
products (known as the "continuous  trigger" of coverage).  Further  proceedings
will be necessary in the trial court to resolve certain other remaining  issues,
some of which, if determined  adversely to U.S. Gypsum,  could reduce the amount
or accessibility of available  coverage from carriers that have not yet settled.
No schedule has yet been established for the resolution of these issues.

The continuous  trigger ruling will,  subject to the resolution of the remaining
issues  referred  to above,  allow U.S.  Gypsum to access  all of its  available
insurance  coverage for Property  Damage Cases  (although the same coverage must
also be used for Personal  Injury  Cases).  Under the  continuous  trigger,  all
Property  Damage  Cases  would be  covered  by  insurance  unless or until  such
insurance becomes exhausted.

Only three of the  remaining  defendants  in the  Coverage  Action  have not yet
agreed to cover Personal  Injury Cases.  Personal  injury  coverage issues as to
these carriers have been stayed while the parties attempt to reach a settlement.
If a settlement cannot be reached,  a number of issues regarding personal injury
coverage will need to be litigated in the Coverage  Action with respect to their
policies.

Settlements: Twelve carriers have settled U.S. Gypsum's claims for both property
damage and personal  injury  coverage and are no longer  parties in the Coverage
Action.  Several of these  carriers paid all or a  substantial  portion of their
policy limits to U.S. Gypsum as reimbursement for past property damage costs. In
April  1996,  one of those  carriers,  which  provided  $111  million  of excess
coverage,  paid U.S.  Gypsum  $62  million as  reimbursement  for past costs and
agreed to make its remaining $49 million of coverage available in the future for
both bodily injury and property  damage costs.  In total,  U.S.  Gypsum received
approximately  $133 million  from  insurance  settlements  during 1995 and 1996.
These amounts, in addition to U.S. Gypsum's annual accrual of $18 million,  have
been added to U.S. Gypsum's additional reserve with respect to asbestos costs.
All out-of-pocket  asbestos expenditures are charged against this reserve, which
was  approximately  $130 million as of December 31, 1996.  Five excess  carriers
have  agreed to provide  future  coverage  for both  Property  Damage  Cases and
Personal Injury Cases,  subject to certain limitations and conditions,  when and
if underlying  policies are exhausted.  Two other excess carriers cover Personal
Injury  Cases under the  Wellington  Agreement  but have not yet agreed to cover
Property Damage Cases.

Insolvent Carriers:  Insolvency proceedings have been instituted against four of
U.S. Gypsum's domestic insurance  carriers,  as well as underwriters of portions
of various  policies  issued by Lloyds and other London market  companies,  that
provided a total of  approximately  $106  million  of  coverage.  Because  these
policies would already have been consumed by U.S.  Gypsum's asbestos expenses to
date if the carriers  had been  solvent,  the  insolvencies  will not  adversely
affect U.S. Gypsum's coverage for future  asbestos-related  costs. However, U.S.
Gypsum is pursuing claims for reimbursement from the insolvent estates and other
sources and expects to recover a presently  indeterminable portion of the policy
amounts from these sources. In February 1997, U.S. Gypsum was paid approximately
$11 million by the receiver for one of the insolvent carriers.

Remaining  Insurance:  Taking  into  account  the above  settlements,  including
insurance  consumption  through December 31, 1996, carriers providing a total of
approximately  $150 million of insurance that was unexhausted as of December 31,
1996, have agreed, subject to the terms of the various settlement agreements, to
cover both Personal Injury Cases and Property Damage Cases.  Carriers  providing
an additional  $145 million of coverage that was  unexhausted as of December 31,
1996, have agreed to cover Personal Injury Cases under the Wellington  Agreement
but continue to contest coverage for Property Damage Cases and remain defendants
in the  Coverage  Action.  An  additional  $55 million of  insurance  remains in
dispute for both  personal  injury and property  damage  coverage.  U.S.  Gypsum
continues to seek negotiated  resolutions with its carriers in order to minimize
the expense and delays of litigation.

Conclusion-A number of uncertainties  continue to exist concerning the impact of
the asbestos  litigation on the Corporation,  including the number of additional
asbestos-related  claims that will be filed against U.S. Gypsum;  U.S.  Gypsum's
liability  in the  Property  Damage  Cases  in  which  exposure  information  is
currently  lacking;  the fate of the  Georgine  settlement;  and the  outcome of
negotiations with and, if necessary,  proceedings against those of U.S. Gypsum's
insurers that continue to deny coverage.  Therefore,  the effect of the asbestos
litigation on the Corporation  will depend upon a variety of factors,  including
U.S. Gypsum's ability to successfully defend or settle the Property Damage Cases
that reach trial prior to the completion of the Coverage Action,  the outcome of
the appeal of the  Georgine  settlement,  and the  resolution  of U.S.  Gypsum's
claims  against the remaining  defendants in the Coverage  Action.  As a result,
management  is unable to  determine  whether an adverse  outcome in the asbestos
litigation  will have a material  adverse effect on the results of operations or
the consolidated financial position of the Corporation.

Environmental  Litigation-The Corporation and certain of its  subsidiaries  have
been notified by state and federal environmental protection agencies of possible
involvement as one of numerous "potentially  responsible parties" in a number of
so-called  "Superfund"  sites in the United States.  In most of these sites, the
involvement of the  Corporation or its  subsidiaries  is expected to be minimal.
The Corporation believes that appropriate reserves have been established for its
potential liability in connection  with all Superfund sites but is continuing to
review its accruals as additional  information becomes available.  Such reserves
take into  account all known or  estimated  costs  associated  with these sites,
including  site   investigations   and  feasibility   costs,  site  cleanup  and
remediation,  legal  costs,  and  fines  and  penalties,  if any.  In  addition,
environmental  costs connected with site cleanups on USG-owned property are also
covered  by  reserves   established  in  accordance  with  the  foregoing.   The
Corporation believes that neither these matters nor any other known governmental
proceeding regarding  environmental  matters will have a material adverse effect
upon its earnings or consolidated financial position.

Report of Management

Management of USG Corporation is responsible for the preparation,  integrity and
fair  presentation  of the financial  information  included in this report.  The
financial  statements have been prepared in accordance  with generally  accepted
accounting  principles and necessarily include certain amounts that are based on
management's estimates and judgment.

Management  is  responsible  for  maintaining  a system of  internal  accounting
controls to provide reasonable  assurance as to the integrity and reliability of
the financial  statements,  the proper  safeguarding and use of assets,  and the
accurate  execution  and recording of  transactions.  Such controls are based on
established  policies and procedures and are  implemented by trained  personnel.
The system of internal  accounting  controls is monitored  by the  Corporation's
internal   auditors  to  confirm  that  the  system  is  proper  and   operating
effectively.  The  Corporation's  policies  and  procedures  prescribe  that the
Corporation and its subsidiaries are to maintain ethical  standards and that its
business practices are to be consistent with those standards.

The Corporation's financial statements have been audited by Arthur Andersen LLP,
independent  public  accountants.  Their audit was conducted in accordance  with
generally  accepted  auditing  standards  and  included   consideration  of  the
Corporation's  internal control system.  Management has made available to Arthur
Andersen LLP all the  Corporation's  financial records and related data, as well
as minutes of the meetings of the Board of Directors.  Management  believes that
all representations made to Arthur Andersen LLP were valid and appropriate.

The Board of Directors,  operating through its Audit Committee composed entirely
of nonemployee directors, provides oversight to the financial reporting process.
The Audit Committee meets  periodically  with management,  the internal auditors
and Arthur Andersen LLP, jointly and separately,  to review financial  reporting
matters,  internal  accounting  controls  and audit  results to assure  that all
parties are properly fulfilling their responsibilities. Both Arthur Andersen LLP
and the internal auditors have unrestricted access to the Audit Committee.

/s/ William C. Foote
- --------------------
William C. Foote
Chairman, President and Chief Executive Officer

/s/ Richard H. Fleming
- ----------------------
Richard H. Fleming
Senior Vice President and Chief Financial Officer

/s/ Raymond T. Belz
- -------------------
Raymond T. Belz
Vice President and Controller


January 27, 1997

Report of Independent Public Accountants

To the Stockholders and Board of Directors of USG Corporation:

We have audited the accompanying  consolidated balance sheets of USG Corporation
and subsidiaries as of December 31, 1996 and 1995, and the related  consolidated
statements  of earnings  and cash flows for the years ended  December  31, 1996,
1995  and  1994.  These  financial  statements  are  the  responsibility  of the
Corporation's  management.  Our responsibility is to express an opinion on these
financial statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion,  the financial  statements  referred to above present fairly, in
all  material   respects,   the  financial   position  of  USG  Corporation  and
subsidiaries  as of  December  31,  1996  and  1995,  and the  results  of their
operations and their cash flows for the years ended December 31, 1996,  1995 and
1994, in conformity with generally accepted accounting principles.



                                                  /s/ Arthur Andersen LLP
                                                  -----------------------
                                                  ARTHUR ANDERSEN LLP


Chicago, Illinois
January 27, 1997
<TABLE>
Selected Quarterly Financial Data (unaudited)
<CAPTION>

(dollars in millions,                First           Second          Third           Fourth             Total
except per share data)              Quarter          Quarter        Quarter          Quarter             Year
                                    -------          -------        -------          -------             ----
<S>                                <C>             <C>             <C>             <C>                <C> 
1996
Net sales                          $   602         $   642         $   678         $   668            $ 2,590
Gross profit                           131             160             179             175                645
Operating profit (a)                    22              53              67              66                208
Net earnings/(loss) (a)                (15)              4              13              13                 15
Per common share:
        Net earnings/(loss)(b)       (0.32)           0.09            0.26            0.26               0.31
        Price range (c) high        30.500          29.000          29.875          34.500             34.500
                        low         24.000          24.000          25.750          28.125             24.000
EBITDA                                  79             110             125             123                437


1995
Net sales                              598             615             629             602              2,444
Gross profit                           152             149             152             150                603
Operating profit (a)                    50              47              48              45                190
Net loss (a)                            (2)             (3)             (2)            (25)(d)            (32)
Per common share:
        Net loss                     (0.05)          (0.07)          (0.04)          (0.55)             (0.71)
        Price range (c) high        24.125          26.875          29.625          31.375             31.375
                        low         19.250          21.625          23.625          26.875             19.250
EBITDA                                 106             103             106             102                417
</TABLE>
(a) Excess  reorganization  value,  which was  established in connection  with a
financial  restructuring  in May  1993,  is  currently  being  amortized  over a
five-year period. This noncash  amortization,  which has no tax impact,  reduced
operating profit and net earnings by  approximately  $42 million in each quarter
during 1996 and 1995.

(b) Net earnings/(loss) per common share is calculated using average shares and,
if  applicable,  common  stock  equivalents,   outstanding  during  the  period.
Consequently,  for 1996,  the sum of the four  quarters does not equal the total
for the year.

(c) Stock  price  ranges are for  transactions  on the New York  Stock  Exchange
(trading  symbol  USG),  which is the  principal  market  for these  securities.
Stockholders of record as of January 31, 1997: Common-4,508; Preferred-none.

(d)  Fourth-quarter  1995 net loss  includes a $30 million  pretax ($24  million
after-tax)  charge in connection with the sale of the  Corporation's  insulation
manufacturing  business in the United States,  which was completed in the second
quarter of 1996, and the closure of its insulation plant in Canada.
<TABLE>
Comparative Five-Year Summary (a) (unaudited)
<CAPTION>

                                                                 Years ended December 31,        May 7-     Jan. 1-  Year ended
                                                                 ------------------------        Dec. 31,    May 6    Dec. 31, 
                                                              1996        1995        1994        1993        1993      1992  
                                                              ----        ----        ----      --------     -----    --------
(dollars in millions, except per share data)                                                                                 
<S>                                                       <C>         <C>         <C>         <C>         <C>         <C>
Earnings Statement Data:
Net sales                                                 $  2,590    $  2,444    $  2,290    $  1,325    $    591    $  1,777
Gross profit                                                   645         603         517         263         109         317
Selling and administrative expenses                            268         244         244         149          71         218
Amortization of excess reorganization value                    169         169         169         113          --          --
Operating profit                                               208         190         104           1          38          99
Interest expense                                                75          99         149          92          86         334
Interest income                                                 (2)         (6)        (10)         (4)         (2)        (12)
Other (income)/expense, net                                      3          32           3          (8)          6           1
Reorganization items                                            --          --          --          --        (709)         --
Earnings/(loss) from continuing
        operations before extraordinary items
        and changes in accounting principles                    15         (32)        (92)       (108)        640        (191)
Extraordinary gain/(loss), net of taxes                         --          --          --         (21)        944          --
Cumulative effect of accounting changes                         --          --          --          --        (150)         --
Net earnings/(loss)                                             15         (32)        (92)       (129)      1,434        (191)
Net earnings/(loss) per common share (b)                      0.31       (0.71)      (2.14)      (3.46)

Balance Sheet Data (as of the end of the period):
Working capital/(deficit)                                      108         108         228         132         218      (2,610)
Current ratio                                                 1.27        1.28        1.55        1.28        1.78        0.20
Property, plant and equipment, net                             887         842         755         754         767         800
Total assets                                                 1,818       1,890       2,124       2,163       2,194       1,659
Total debt (c)                                                 772         926       1,149       1,531       1,556       2,711
Total stockholders' equity/(deficit)                           (23)        (37)         (8)       (134)          4      (1,880)

Other Information:
EBITDA                                                         437         417         325         155          63         159
Capital expenditures                                           120         147          64          29          12          49
Gross margin %                                                24.9        24.7        22.6        19.8        18.4        17.8
EBITDA margin %                                               16.9        17.1        14.2        11.7        10.7         8.9
Market value per common share (b)                             33.88       30.00       19.50       29.25
Average number of employees                                 12,500      12,400      12,300      11,900      11,750      11,850
</TABLE>

(a)  Due  to  a  financial  restructuring  and  implementation  of  fresh  start
accounting,  financial statements for periods subsequent to May 6, 1993, are not
comparable to financial statements for periods through that date. Accordingly, a
vertical line has been added to separate such information.

(b) Per share  information  for the period of January 1 through May 6, 1993, and
for the year ended  December 31, 1992,  is omitted  because,  as a result of the
financial restructuring and implementation of fresh start accounting,  it is not
meaningful.  Market value per common share  reflects the closing  stock price on
December 31 of the applicable year.

(c) Total debt is shown at  principal  amounts  for all periods  presented.  The
carrying amounts of total debt (net of unamortized  reorganization  discount) as
reflected on the  Corporation's  balance sheets are $755 million,  $907 million,
$1,122 million, $1,476 million and $1,461 million as of December 31, 1996, 1995,
1994 and 1993, and May 6, 1993, respectively.




                                   EXHIBIT 21

                                  SUBSIDIARIES


The companies listed below are the primary subsidiaries of the Corporation.  The
financial data for these  subsidiaries,  as well as for other subsidiaries which
are not  considered  to be  significant  and are  therefore  excluded  from this
exhibit, comprised the Corporation's consolidated financial statements.


<TABLE>
                                                                                            Organized Under
Name of Company                                                                                 Laws of
<CAPTION>

Domestic:
<S>                                                                                            <C>  

United States Gypsum Company(a).........................................................       Delaware
USG Interiors, Inc. (a).................................................................       Delaware
L&W Supply Corporation (a)(b)...........................................................       Delaware
USG International, Ltd..................................................................       Delaware
USG Foreign Investments, Ltd. (a).......................................................       Delaware
USG Interiors International, Inc........................................................       Ohio
USG Funding Corporation.................................................................       Delaware
La Mirada Products Co., Inc.............................................................       Ohio
USG Foreign Sales Corporation...........................................................       Virgin Islands
Gypsum Engineering Company..............................................................       Delaware
Alabaster Assurance Company, Ltd........................................................       Vermont


International:

CGC Inc. (a)............................................................................       Canada
USG Canadian Mining Ltd.................................................................       Ontario
Gypsum Transportation Limited...........................................................       Bermuda
Yeso Panamericano, S.A. de C.V..........................................................       Mexico
USG Manufacturing Worldwide, Ltd........................................................       Caymans
Panama Gypsum Company...................................................................       Panama
USG Interiors (Donn) S.A................................................................       Belgium
Donn Products GmbH......................................................................       Germany
USG Interiors Eastern Manufacturing GmbH................................................       Germany
USG Interiors East Sales GmbH...........................................................       Germany
USG (U.K.) Ltd..........................................................................       United Kingdom
USG France S.A..........................................................................       France
USG (Netherlands) B.V...................................................................       Netherlands
USG Interiors (Europe) S.A..............................................................       Belgium
USG Interiors Coordination Centre S.A...................................................       Belgium
USG Belgium Holdings S.A................................................................       Belgium
USG Asia Pacific Holdings Pty. Ltd......................................................       Singapore
USG Interiors Pacific Ltd...............................................................       New Zealand
USG Interiors Australia Pty. Ltd.......................................................       Australia
USG Interiors (Far East) SDN BHD........................................................       Malaysia
Alabaster Engineering (Nederland) B.V...................................................       Netherlands
Red Top Technology (Nederland) B.V......................................................       Netherlands


(a)  Accounts for material revenues.

(b)  As of December  31,  1996,  L&W Supply  conducted  its  business out of 161
     locations in 34 states using  various  names  registered  under  applicable
     assumed business name statutes.

</TABLE>



                                   EXHIBIT 23

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent  public  accountants,  we hereby consent to the  incorporation by
reference of our reports dated January 27, 1997,  included in this Form 10-K for
the year ended  December  31,  1996,  into the  Corporation's  previously  filed
Registration  Statements Nos. 33-40136 and 33-64217 on Form S-3 and 33-22581, as
amended, 33-22930,  33-36303,  33-52573, 33-52715, 33-63554 and 33-65383 on Form
S-8.


                                                 /s/ Arthur Andersen LLP
                                                 -----------------------
                                                 ARTHUR ANDERSEN LLP

Chicago, Illinois
March 5, 1997




                                   EXHIBIT 24

                                POWER OF ATTORNEY

KNOW ALL MEN BY THESE  PRESENTS,  that each  person  whose  name  appears  below
constitutes and appoints Richard H. Fleming,  John E. Malone and Raymond T. Belz
and each of them, his or her true and lawful  attorneys-in-fact and agents, with
full power of substitution and resubstitution, for and in his or her name, place
and stead, in any and all capacities, to sign the Annual Report on Form 10-k for
the year ending  December 31, 1996 of USG  Corporation and any or all amendments
thereto, and to file the same, with all exhibits thereto, and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto
said attorneys-in-fact and agents, and each of them, full power and authority to
do and perform each and every act and thing  requisite  and necessary to be done
in and about the  premises,  as fully to all intents  and  purposes as he or she
might or could do in  person,  hereby  ratifying  and  confirming  all that said
attorneys-in-fact  and agents or any of them, or their or his  substitutes,  may
lawfully do or cause to be done by virtue hereof.

This power of attorney has been signed as of the 12th day of February,  1997, by
the following persons:




/s/ William C. Foote                 /s/ W.H. Clark
- ---------------------               ---------------
William C. Foote,                     W. H. Clark,
Chairman of the Board, President      Director
and Chief Executive Officer



/s/ Robert L. Barnett                /s/ James C. Cotting
- ---------------------                --------------------
Robert L. Barnett,                    James C. Cotting,
Director                              Director



/s/ Keith A. Brown                   /s/ Lawrence M. Crutcher
- ------------------                   ------------------------
Keith A. Brown,                       Lawrence M. Crutcher,
Director                              Director



/s/ Philip C. Jackson, Jr.            /s/ David W. Fox
- ---------------------------           -----------------
Philip C. Jackson, Jr.,               David W. Fox,
Director                              Director



/s/ Marvin E. Lesser                  /s/ John B. Schwemm
- ---------------------                 --------------------
Marvin E. Lesser,                     John B. Schwemm,
Director                              Director



/s/ W. Douglas Ford                   /s/ Judith A. Sprieser
- -------------------                   ----------------------
W. Douglas Ford,                      Judith A. Sprieser,
Director                              Director


<TABLE> <S> <C>

<ARTICLE> 5
<MULTIPLIER> 1,000,000
       
<S>                 <C>
<PERIOD-TYPE>       YEAR

<FISCAL-YEAR-END>   DEC-31-1996
                                                                
<PERIOD-END>        DEC-31-1996
                                                                
<CASH>                             44

<SECURITIES>                        0

<RECEIVABLES>                     291

<ALLOWANCES>                       17

<INVENTORY>                       185

<CURRENT-ASSETS>                  503

<PP&E>                          1,064

<DEPRECIATION>                    177

<TOTAL-ASSETS>                  1,818

<CURRENT-LIABILITIES>             395

<BONDS>                           706

               0

                         0

<COMMON>                            5

<OTHER-SE>                        (28)

<TOTAL-LIABILITY-AND-EQUITY>    1,818

<SALES>                         2,590

<TOTAL-REVENUES>                2,590

<CGS>                           1,945

<TOTAL-COSTS>                   1,945

<OTHER-EXPENSES>                  268

<LOSS-PROVISION>                    0

<INTEREST-EXPENSE>                 73

<INCOME-PRETAX>                   132

<INCOME-TAX>                      117

<INCOME-CONTINUING>                15

<DISCONTINUED>                      0

<EXTRAORDINARY>                     0

<CHANGES>                           0

<NET-INCOME>                       15

<EPS-PRIMARY>                    0.31

<EPS-DILUTED>                    0.30
                                                                         
        

</TABLE>


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