USX CORP
424B2, 1994-01-27
STEEL WORKS, BLAST FURNACES & ROLLING MILLS (COKE OVENS)
Previous: TELEDYNE INC, 10-K, 1994-01-27



<PAGE>
 
                                            As filed pursuant to Rule 424(B)(2)
                                            Registration No. 032-51621
 
PROSPECTUS SUPPLEMENT
(To Prospectus Dated January 6, 1994)
                               4,500,000 Shares
                       USX-U.S. Steel Group Common Stock
                                      of
                                USX Corporation
 
                               ---------------
 
 
  The USX-U.S. Steel Group Common Stock, par value $1.00 per share (the "Steel
Stock"), is common stock of USX Corporation ("USX" or the "Corporation") and
is intended to reflect the performance of the steel and other businesses that
constitute the U.S. Steel Group of USX. The Steel Stock is one of three
classes of common stock of USX, the others being USX-Marathon Group Common
Stock ("Marathon Stock") and USX-Delhi Group Common Stock ("Delhi Stock").
Holders of Steel Stock, Marathon Stock and Delhi Stock are holders of common
stock of USX and continue to be subject to all of the risks associated with an
investment in USX and all of its businesses and liabilities.
 
  Dividends on the Steel Stock will be payable when, as and if declared by the
Board of Directors of USX (the "Board") out of the lesser of (i) legally
available funds of USX and (ii) the Available Steel Dividend Amount (as
defined in the accompanying Prospectus). The Board intends to declare and pay
dividends on the Steel Stock based on the financial condition and results of
operations of the U.S. Steel Group. The voting power of one share of Steel
Stock relative to one share of each of the other classes of USX common stock
will fluctuate based upon the relative market values thereof. Upon the
liquidation of USX, the rights of the holders of the Steel Stock and each of
the other classes of USX common stock will be based on their relative market
capitalizations. Subject to certain conditions, the Steel Stock may be
exchanged, at USX's option, for shares of the common stock of a wholly-owned
subsidiary of USX to which the assets and liabilities of the U.S. Steel Group
have been transferred as described herein. In the event of a disposition by
USX of all or substantially all of the properties and assets of the U.S. Steel
Group, USX will, subject to certain conditions, be required to (i) subject to
the limitations on dividends described above, pay a dividend on the Steel
Stock, or (ii) to the extent of legally available funds of USX, redeem shares
of Steel Stock, in the case of any such dividend or redemption, in an amount
equal to the net proceeds of such disposition, or (iii) exchange all
outstanding shares of Steel Stock for Marathon Stock or, if there are no
shares of Marathon Stock outstanding, Delhi Stock.
 
  The features of the Steel Stock, as well as other special considerations,
are more fully discussed under "Summary--The Steel Stock" and "Price Range of
Steel Stock, Dividends and Dividend Policy" in this Prospectus Supplement and
under "Special Considerations" and "Description of Capital Stock" in the
accompanying Prospectus.
 
  The Steel Stock is listed on the New York, Chicago and Pacific Stock
Exchanges. On January 25, 1994, the reported last sale price of the Steel
Stock on the New York Stock Exchange was $42 per share.
 
                               ---------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS
A CRIMINAL OFFENSE.
                               ---------------
                               PRICE $41 A SHARE
                               ---------------
 
<TABLE>
                                                      UNDERWRITING
                                          PRICE TO   DISCOUNTS AND  PROCEEDS TO
                                           PUBLIC    COMMISSIONS(1)    USX(2)
                                        ------------ -------------- ------------
<S>                                     <C>          <C>            <C>
Per Share..............................    $41.00         $.82         $40.18
Total(3)............................... $184,500,000   $3,690,000   $180,810,000
</TABLE>
- -------
  (1) USX has agreed to indemnify the Underwriters against certain
      liabilities, including liabilities under the Securities Act of 1933.
  (2) Before deduction of expenses payable by USX estimated at $300,000.
  (3) USX has granted to the U.S. Underwriters an option exercisable within
      30 days of the date hereof to purchase up to an aggregate of 500,000
      additional shares at the price to public less underwriting discounts
      and commissions for the purpose of covering over-allotments, if any.
      If the Underwriters exercise such option in full, the total price to
      public, underwriting discounts and commissions and proceeds to USX
      will be $205,000,000, $4,100,000, and $200,900,000, respectively. See
      "The Underwriter" herein.
 
                               ---------------
 
  The Shares are offered, subject to prior sale, when, as and if accepted by
the Underwriter named herein and subject to approval of certain legal matters
by Simpson Thacher & Bartlett, counsel for the Underwriter. It is expected
that delivery of the Shares will be made on or about February 2, 1994 at the
office of Morgan Stanley & Co. Incorporated, New York, N.Y., against payment
therefor in New York funds.
 
                               ---------------
 
                             MORGAN STANLEY & CO.
                                 Incorporated
 
January 26, 1994
<PAGE>
 
  NO PERSON IS AUTHORIZED IN CONNECTION WITH ANY OFFERING MADE HEREBY TO GIVE
ANY INFORMATION OR TO MAKE ANY REPRESENTATION OTHER THAN AS CONTAINED IN THIS
PROSPECTUS SUPPLEMENT OR THE ACCOMPANYING PROSPECTUS, AND IF GIVEN OR MADE,
SUCH INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED BY THE CORPORATION OR BY ANY UNDERWRITER. NEITHER THIS PROSPECTUS
SUPPLEMENT NOR THE ACCOMPANYING PROSPECTUS CONSTITUTES AN OFFER TO SELL OR A
SOLICITATION OF AN OFFER TO BUY BY ANY PERSON IN ANY JURISDICTION IN WHICH IT
IS UNLAWFUL FOR SUCH PERSON TO MAKE SUCH AN OFFERING OR SOLICITATION. NEITHER
THE DELIVERY OF THIS PROSPECTUS SUPPLEMENT AND THE ACCOMPANYING PROSPECTUS NOR
ANY SALE MADE HEREUNDER SHALL UNDER ANY CIRCUMSTANCE IMPLY THAT THE INFORMATION
HEREIN IS CORRECT AS OF ANY DATE SUBSEQUENT TO THE DATE HEREOF.
 
  OFFERS AND SALES OF THE STEEL STOCK IN THE UNITED KINGDOM AND ADVERTISEMENTS
THEREIN IN CONNECTION THEREWITH, ARE SUBJECT TO CERTAIN RESTRICTIONS. SEE "THE
UNDERWRITER" HEREIN.
                               ----------------
 
                               TABLE OF CONTENTS
 
                             PROSPECTUS SUPPLEMENT
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
<S>                                                                         <C>
Summary....................................................................  S-3
Use of Proceeds............................................................ S-11
Capitalization............................................................. S-11
Price Range of Steel Stock,
 Dividends and Dividend Policy............................................. S-12
Business of the U.S. Steel Group........................................... S-13
U.S. Steel Group -- Selected
 Financial Information..................................................... S-27
U.S. Steel Group -- Analysis of Selected
 Financial Information..................................................... S-33
USX Corporation -- Selected
 Consolidated Financial Information........................................ S-41
USX Corporation -- Analysis
 of Selected Consolidated Financial
 Information............................................................... S-46
Certain United States Tax Consequences
 to Non-United States Holders.............................................. S-55
The Underwriter............................................................ S-57
Legal Matters.............................................................. S-58
</TABLE>
                                   PROSPECTUS
 
<TABLE>
<CAPTION>
                                                                           PAGE
                                                                           ----
<S>                                                                        <C>
Available Information.....................................................   2
Incorporation of Certain Documents
 by Reference.............................................................   2
USX Corporation...........................................................   3
Ratio of Earnings to Fixed Charges and
 Ratio of Earnings to Combined Fixed Charges and Preferred Stock Divi-
 dends....................................................................   3
Use of Proceeds...........................................................   4
Special Considerations....................................................   4
Management and Accounting Policies........................................   7
Description of the Debt Securities........................................   8
Description of Capital Stock..............................................  15
Plan of Distribution......................................................  29
Validity of Securities....................................................  29
Experts...................................................................  29
Appendix I--Summary of USX Common Stock................................... A-1
</TABLE>
                               ----------------
 
  IN CONNECTION WITH THIS OFFERING, THE UNDERWRITER MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE STEEL STOCK AT
LEVELS ABOVE THOSE WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN MARKET. SUCH
TRANSACTIONS MAY BE EFFECTED ON THE NEW YORK STOCK EXCHANGE, IN THE OVER-THE-
COUNTER MARKET OR OTHERWISE. SUCH STABILIZING, IF COMMENCED, MAY BE
DISCONTINUED AT ANY TIME.
 
                                      S-2
<PAGE>
 
                                    SUMMARY
 
  The following is a summary of certain information contained elsewhere in this
Prospectus Supplement and in the accompanying Prospectus and is qualified in
its entirety by reference to the Prospectus and the documents incorporated
therein under "Incorporation of Certain Documents by Reference." Readers are
encouraged to refer to such incorporated documents for a more complete
description of USX.
 
                                U.S. STEEL GROUP
 
  The U.S. Steel Group includes U.S. Steel, one of the largest integrated steel
producers in the United States (referred to hereinafter as "U.S. Steel"), which
is primarily engaged in the production and sale of a wide range of steel mill
products, coke and taconite pellets. The U.S. Steel Group also includes the
management of mineral resources, domestic coal mining, engineering and
consulting services and technology licensing (together with U.S. Steel, the
"Steel and Related Businesses"). Other businesses that are part of the U.S.
Steel Group include real estate development and management, fencing products,
leasing and financing activities and a majority interest in a titanium metal
products company.
 
  The domestic steel industry is cyclical and highly competitive and continues
to be adversely affected by excess world steel capability. U.S. Steel has
responded to competition resulting from this excess capability by eliminating
less efficient facilities, modernizing those that remain and entering into
joint ventures, all with the objective of focusing production on higher value-
added products. Since 1982, U.S. Steel has reduced its annual raw steel
capability from 31 million to 12 million tons and has recognized restructuring
charges aggregating $2.8 billion as its less efficient facilities have been
shut down. During that period, it has also invested approximately $3.2 billion
in facilities for its steel operations. U.S. Steel believes these investments
have made its remaining steel operations among the most modern, efficient and
competitive in the world. With the completion of continuous casters at two of
its major steel producing facilities in 1992 and 1991, U.S. Steel achieved 100%
continuous cast capability for its raw steel production of approximately 12
million annual net tons. This method produces higher quality steel at lower
cost than the previously used ingot method. Capital expenditures for the U.S.
Steel Group in 1993 were $198 million compared with $298 million in 1992 and
$432 million in 1991. The reduction over this period primarily reflected the
completion of U.S. Steel's continuous cast modernization program. Capital
expenditures for 1994 are currently estimated at $260 million and will include
continued expenditures for projects begun in 1993 relative to environmental,
hot-strip mill and pickle line improvements at Gary Works and initial
expenditures for a blast furnace project at Mon Valley Works which is planned
for completion in 1995. Capital expenditures in 1995 and 1996 are currently
expected to remain at about the same level as in 1994.
 
  In addition to the modernization of its production facilities, USX has
entered into a number of joint ventures with domestic and foreign partners to
take advantage of market or manufacturing opportunities in various steel
related industries.
 
  The objective of the modernization and the joint ventures is to focus on
production of higher value-added steels for customers in industries such as
automotive, appliance, containers and oil country tubular goods where superior
quality and special characteristics are of critical importance to customers.
These products include bake-hardenable steels and coated sheets for the
automobile industry, lamination sheet for the manufacture of motors and
electrical equipment and improved tin mill products for the container industry.
 
                                USX CORPORATION
 
  USX is a diversified company engaged in the steel business through its U.S.
Steel Group, in the energy business through its Marathon Group and in the gas
gathering and processing business through its Delhi Group.
 
 
                                      S-3
<PAGE>
 
  USX has three classes of common stock, USX-U.S. Steel Group Common Stock
("Steel Stock"), USX-Marathon Group Common Stock ("Marathon Stock") and USX-
Delhi Group Common Stock ("Delhi Stock"). The Steel Stock, the Marathon Stock
and the Delhi Stock are together referred to as "Common Stock." Each class of
Common Stock is intended to provide the stockholders of such class with a
separate security reflecting the performance of the related group. Holders of
Steel Stock, Marathon Stock and Delhi Stock are holders of common stock of USX
and continue to be subject to all of the risks associated with an investment in
USX and all of its businesses and liabilities.
 
  The U.S. Steel Group includes U.S. Steel and certain steel-related and other
businesses described above under "U.S. Steel Group." U.S. Steel Group sales as
a percentage of total consolidated USX sales were 31%, 28% and 26% in the years
1993, 1992 and 1991, respectively.
 
  The Marathon Group includes the operations of Marathon Oil Company
("Marathon"), a wholly owned subsidiary of USX which is engaged in worldwide
crude oil and natural gas exploration, production and transportation; and
domestic refining, marketing and transportation of crude oil and petroleum
products. Marathon Group sales (excluding sales from the operations now
included in the Delhi Group) as a percentage of total consolidated USX sales
were 66%, 69% and 72% in the years 1993, 1992 and 1991, respectively.
 
  The Delhi Group consists of Delhi Gas Pipeline Corporation and certain
related companies which are engaged in the purchasing, gathering, processing,
transporting and marketing of natural gas. Prior to October 2, 1992, the
businesses which are now included in the Delhi Group were included in the
Marathon Group. Delhi Group sales as a percentage of total USX consolidated
sales were 3% in each of 1993 and 1992 and 2% in 1991.
 
  USX was incorporated in 1901 and is a Delaware corporation. Its executive
offices are located at 600 Grant St., Pittsburgh, PA 15219-4776 (tel: (412)
433-1121). The terms "USX" and the "Corporation" when used herein refer to USX
Corporation or USX Corporation and its subsidiaries as required by the context.
 
                                 THE OFFERING*
 
<TABLE>
<S>                                                          <C>
Steel Stock offered......................................... 4,500,000 shares
Steel Stock to be outstanding after the offering............ 74,839,595 shares**
Use of Proceeds............................................. General business
                                                             purposes
                                                             of the U.S. Steel
                                                             Group
New York Stock Exchange Symbol.............................. X
</TABLE>
- --------
 * Assuming no exercise of the over-allotment option.
** Based on shares outstanding at January 25, 1994.
 
                                THE STEEL STOCK
 
  The Steel Stock is intended to reflect the performance of the Steel and
Related Businesses and other businesses which constitute the U.S. Steel Group.
The Steel Stock is one of the three classes of USX common stock described
above. A portion of USX's corporate assets and liabilities are attributed to
the U.S. Steel Group, the Marathon Group and the Delhi Group. References in
this Prospectus Supplement and the accompanying Prospectus to the "Certificate
of Incorporation" refer to the Restated Certificate of Incorporation of USX.
For a more complete description of the terms of the Steel Stock and the Board's
dividend policy and other considerations relating thereto, see "Price Range of
Steel Stock, Dividends and
 
                                      S-4
<PAGE>
 
Dividend Policy" herein and "Description of Capital Stock," "Special
Considerations" and "Management and Accounting Policies" in the accompanying
Prospectus.
 
CERTAIN SPECIAL CONSIDERATIONS
 
 STOCKHOLDERS OF ONE COMPANY; FINANCIAL IMPACTS FROM THE MARATHON GROUP OR THE
DELHI GROUP COULD  AFFECT THE U.S. STEEL GROUP
 
  Although the financial statements of the U.S. Steel Group, the Marathon Group
and the Delhi Group separately report the assets, liabilities (including
contingent liabilities) and stockholders' equity of USX attributed to each such
Group, such attribution does not affect legal title to such assets or
responsibility for such liabilities. Holders of Steel Stock, Marathon Stock and
Delhi Stock are holders of common stock of USX and continue to be subject to
all of the risks associated with an investment in USX and all of its businesses
and liabilities. Financial impacts arising from the Marathon Group or the Delhi
Group which affect the overall cost of USX's capital could affect the results
of operations and financial condition of the U.S. Steel Group. In addition, net
losses of any Group, as well as dividends or distributions on any class of USX
common stock or series of Preferred Stock, and repurchases of any class of USX
common stock or certain series of Preferred Stock, will reduce the legally
available funds of USX available for payment of dividends on the Steel Stock.
Accordingly, the USX consolidated financial information should be read in
connection with the financial information of the U.S. Steel Group. USX prepares
and provides consolidated financial statements, as well as financial statements
of the U.S. Steel Group, to the holders of Steel Stock. See "Management and
Accounting Policies" in the accompanying Prospectus and footnotes (a) and (b)
to "U.S. Steel Group--Selected Financial Information," "USX Corporation--
Selected Consolidated Financial Information" and "USX Corporation--Analysis of
Selected Consolidated Financial Information" herein.
 
 NO RIGHTS OR ADDITIONAL DUTIES WITH RESPECT TO THE GROUPS; POTENTIAL CONFLICTS
 
  Holders of Steel Stock, Marathon Stock and Delhi Stock have only the rights
of stockholders of USX, and, except as described below under "Voting" and
"Exchange and Redemption," holders of Steel Stock are not provided any rights
specifically related to the U.S. Steel Group. In addition, principles of
Delaware law established in cases involving differing treatment of classes of
capital stock or groups of holders of the same class of capital stock provide
that a board of directors owes an equal duty to all stockholders regardless of
class or series and does not have separate or additional duties to any group of
stockholders.
 
  The existence of separate classes of Common Stock may give rise to occasions
when the interests of holders of Steel Stock, Marathon Stock and Delhi Stock
may diverge or appear to diverge. Although USX is not aware of any precedent
involving the fiduciary duties of directors of corporations having classes of
common stock or separate classes or series of capital stock the rights of which
are defined by reference to specified operations of the corporation, under the
principles of Delaware law referred to above and the "business judgment rule,"
absent abuse of discretion, a good faith determination made by a disinterested
and adequately informed Board with respect to any matter having disparate
impacts upon holders of Steel Stock, Marathon Stock or Delhi Stock would be a
defense to any challenge to such determination made by or on behalf of the
holders of any class of Common Stock.
 
 LIMITED SEPARATE VOTING RIGHTS
 
  Holders of shares of Steel Stock, Marathon Stock and Delhi Stock vote
together as a single class on all matters as to which all USX common
stockholders are entitled to vote. Holders of Steel Stock, Marathon Stock or
Delhi Stock will have no rights to vote on matters as a separate group except
as described under "Voting" below and in certain limited circumstances as
currently provided under Delaware law. Separate meetings for the holders of
each class of Common Stock will not be held. If, when a stockholder vote is
taken
 
                                      S-5
<PAGE>
 
on any matter as to which a separate vote by any class would not be required
under the Certificate of Incorporation or Delaware law, the holders of one or
more classes of Common Stock would have more than the number of votes required
to approve any such matter, the holders of that class or classes would be in a
position to control the outcome of the vote on such matter. On all matters
where the holders of Common Stock vote together as a single class, a share of
Marathon Stock will have one vote and each share of Steel Stock and Delhi Stock
will have a fluctuating vote per share based on relative time-weighted average
ratios of their Market Values. Immediately after consummation of the offering,
holders of the Marathon Stock are expected to have more than 55% of the total
voting power of USX.
 
 MANAGEMENT AND ACCOUNTING POLICIES SUBJECT TO CHANGE
 
  Since 1991 USX has applied certain management and accounting policies adopted
by the Board and described herein, which policies may be modified or rescinded
in the sole discretion of the Board without approval of stockholders, although
there is no present intention to do so. The Board may also adopt additional
policies depending upon the circumstances. Any determination of the Board of
Directors to modify or rescind such policies, or to adopt additional policies,
including any such decision that would have disparate impacts upon holders of
Steel Stock, Marathon Stock or Delhi Stock, would be made by the Board in good
faith and in the honest belief that such decision is in the best interests of
all stockholders of USX. In addition, generally accepted accounting principles
require that any change in accounting policy be preferable (in accordance with
such principles) to the policy previously established.
 
 LIMITATIONS ON POTENTIAL UNSOLICITED ACQUISITIONS
 
  If the U.S. Steel Group were a separate company, any person interested in
acquiring the U.S. Steel Group without negotiation with management could seek
to obtain control of it by means of a tender offer or proxy contest. Any person
interested in acquiring only the U.S. Steel Group without negotiation with USX
management would be required to seek control of the voting power representing
all of the outstanding capital stock of USX entitled to vote on such
acquisition, including the Marathon Stock and the Delhi Stock. See "Limited
Separate Voting Rights" above.
 
                                ----------------
  For further discussion of the foregoing and certain other considerations, see
"Special Considerations" in the accompanying Prospectus.
 
                                ----------------
 
TERMS OF THE STEEL STOCK
 
 DIVIDENDS
 
  The Board intends to declare and pay dividends on the Steel Stock based on
the financial condition and results of operations of the U.S. Steel Group,
although under Delaware law it has no obligation to do so. Since May 6, 1991,
the Board has declared a dividend each quarter on the Steel Stock of $.25 per
share. See "Price Range of Steel Stock, Dividends and Dividend Policy" herein.
 
  Dividends on the Steel Stock are limited by the Certificate of Incorporation
and, subject to any prior rights of the holders of Preferred Stock, will be
payable when, as and if declared by the Board out of the lesser of (i) the
Available Steel Dividend Amount and (ii) legally available funds of USX. The
Available Steel Dividend Amount will be increased or decreased as appropriate
by, among other things, Steel Net Income (as defined under "Description of
Capital Stock--Steel Stock--Dividends" in the accompanying Prospectus). In
accordance with the Certificate of Incorporation, the Available Steel Dividend
Amount was adjusted to eliminate certain effects of the adoption in 1992 of
certain accounting standards. For information concerning policies governing the
attribution of corporate activities to the U.S. Steel Group that are followed
by USX in
 
                                      S-6
<PAGE>
 
determining Steel Net Income, see "Management and Accounting Policies" in the
accompanying Prospectus and "U.S. Steel Group--Selected Financial Information"
herein.
 
  Assuming the offering had been completed as of December 31, 1993 at a price
of $41.00 per share, the Available Steel Dividend Amount at such date would
have been at least $2,025 million assuming the over-allotment option was not
exercised, or at least $2,045 million, assuming that such option was exercised
in full. See "Description of Capital Stock--Steel Stock--Dividends" in the
accompanying Prospectus. Payment of dividends on any Preferred Stock attributed
to the U.S. Steel Group will decrease the Available Steel Dividend Amount.
 
  The Board may in its sole discretion declare and pay dividends exclusively on
any class of USX Common Stock in equal or unequal amounts, notwithstanding the
respective amount of funds available for dividends on each class, the amount of
prior dividends declared on each class or any other factor, subject to
limitations set forth in the Certificate of Incorporation. See "Price Range of
Steel Stock, Dividends and Dividend Policy" herein.
 
 VOTING
 
  The holders of Steel Stock, Marathon Stock and Delhi Stock will vote together
as a single class on all matters as to which all USX common stockholders are
entitled to vote, except under certain circumstances. On all such matters, each
share of Marathon Stock will have one vote, and each share of Steel Stock and
of Delhi Stock will have a fluctuating vote based on the relative Market Values
of one share of such class to one share of Marathon Stock, calculated during a
specified period prior to the record date.
 
  The approval of the holders of at least 66 2/3% of the outstanding Steel
Stock, Marathon Stock or Delhi Stock, as the case may be, is necessary for the
use of proceeds from the sale of any of the properties or assets of the Group
to which such class of Common Stock relates, (i) in any business of either of
the other Groups or (ii) for the declaration or payment of any dividend or
distribution on either of the other classes of Common Stock, subject to certain
exceptions. See "Description of Capital Stock--Steel Stock--Voting" in the
accompanying Prospectus.
 
 EXCHANGE AND REDEMPTION
 
  At any time after USX has transferred all of the assets and liabilities of
the U.S. Steel Group to a wholly owned subsidiary of USX, the Board, in its
sole discretion, subject to certain conditions, may declare that all of the
outstanding shares of Steel Stock shall be exchanged for a number of shares of
common stock of such subsidiary on a pro rata basis.
 
  In the event of a Disposition of all or substantially all of the assets of
the U.S. Steel Group, USX will, subject to certain conditions, be required to
(i) subject to the limitation on dividends described above, pay a dividend on
the Steel Stock in an amount equal to the Net Proceeds of such Disposition,
(ii) to the extent of legally available funds of USX, redeem shares of Steel
Stock having an aggregate average Market Value closest to the value of such Net
Proceeds for an amount equal to such Net Proceeds or (iii) exchange Steel Stock
for a number of shares of Marathon Stock or, if no Marathon Stock is
outstanding, of Delhi Stock, equal to 110% of the ratio of the average Market
Values of one share of Steel Stock to one share of Marathon Stock or of Delhi
Stock, as the case may be. Such ratio will be determined using Market Values
during the ten-Business Day period after consummation of such Disposition. See
"Description of Capital Stock--Steel Stock--Exchange and Redemption" in the
accompanying Prospectus.
 
                                      S-7
<PAGE>
 
 
 LIQUIDATION
 
  After payment of creditors and after the holders of the Preferred Stock
receive the full preferential amounts to which they are entitled, the holders
of the outstanding shares of each class of Common Stock will receive the funds
remaining for distribution to the common stockholders in proportion to the
relative time-weighted average aggregate market capitalizations of each class.
See "Description of Capital Stock--Steel Stock--Liquidation" in the
accompanying Prospectus.
 
                               RECENT DEVELOPMENT
 
B&LE LITIGATION
 
  On January 24, 1994, the U.S. Supreme Court denied a Petition for Writ of
Certiorari by the Bessemer and Lake Erie Railroad (the "B&LE") in the Lower
Lake Erie Iron Ore Antitrust Litigation ("MDL-587"). As a result, the decision
of the U.S. Court of Appeals for the Third Circuit affirming judgments of
approximately $498 million, plus interest, relating to antitrust violations by
the B&LE was permitted to stand. In addition, the Third Circuit decision
remanded the claims of two plaintiffs for retrial of their damage awards. At
trial these plaintiffs asserted claims of approximately $8 million, but were
awarded only nominal damages by the jury.
 
  The B&LE was a wholly owned subsidiary of USX throughout the period the
conduct occurred. It is now a subsidiary of Transtar in which USX has a 45%
equity interest. These actions were excluded liabilities in the sale of USX's
transportation units in 1988, and USX is obligated to reimburse Transtar for
judgments paid by the B&LE.
 
  Following the Court of Appeals decision, USX, which had previously accrued
$90 million on a pretax basis for this litigation, charged an additional amount
of $619 million on a pretax basis against the results of the U.S. Steel Group
in the second quarter of 1993. In late 1993, USX and LTV Steel Corp. ("LTV"),
one of the plaintiffs in MDL-587, agreed to settle all of LTV's claims in that
action for $375 million. USX's potential liability in the LTV portion of the
case was estimated to be in excess of $500 million at year end 1993. USX made a
payment of $200 million on December 29, 1993 and is obligated to pay an
additional $175 million not later than February 28, 1994. Claims of three
additional plaintiffs were also settled in December 1993. These settlements
resulted in a pretax credit of $127 million in the fourth quarter financial
results of the U.S. Steel Group. As a result of the denial of the Petition for
Writ of Certiorari, judgments for the remaining MDL-587 plaintiffs (other than
the two remanded for retrial), totaling approximately $210 million, including
post-judgment interest, are due for payment in the first quarter of 1994.
 
  For further discussion of pending legal matters, see "Business of the U.S.
Steel Group--Legal Proceedings" herein.
 
                                      S-8
<PAGE>
 
                                U.S. STEEL GROUP
 
                     SUMMARY SELECTED FINANCIAL INFORMATION
 
  The following summary selected financial information has been derived from
the financial statements of the U.S. Steel Group for each of the five years in
the period ended December 31, 1993. The information set forth below should be
read in connection with the U.S. Steel Group financial statements and notes
thereto and accompanying "Management's Discussion and Analysis" contained in
the USX Annual Report on Form 10-K for the year ended December 31, 1992,
incorporated herein by reference. The data for the year ended December 31,
1993, have been derived from unaudited financial statements which, in the
opinion of management, reflect all adjustments necessary to a fair statement of
results for the period covered. All such adjustments are of a normal recurring
nature except as described herein. The financial information of the U.S. Steel
Group supplements the consolidated financial information of USX and, taken
together with the financial information of the Marathon Group and the Delhi
Group, includes all accounts which comprise the corresponding consolidated
financial information of USX. The information set forth below should be read in
connection with "U.S. Steel Group--Selected Financial Information" and "U.S.
Steel Group--Analysis of Selected Financial Information" herein.
 
<TABLE>
<CAPTION>
                                             YEAR ENDED DECEMBER 31,
                                       ----------------------------------------
                                        1993    1992     1991     1990    1989
                                       ------  -------  -------  ------  ------
                                         (DOLLARS IN MILLIONS, EXCEPT PER
                                                   SHARE DATA)
<S>                                    <C>     <C>      <C>      <C>     <C>
STATEMENT OF OPERATIONS DATA:
 Sales...............................  $5,612  $ 4,919  $ 4,864  $6,073  $6,509
 Operating income (loss).............    (149)    (241)    (617)    475     640
 Operating costs include:
  Depreciation, depletion and
   amortization......................     314      288      253     278     307
  Pension credits....................    (202)    (231)    (196)   (262)   (213)
  B&LE litigation charge.............     342      --       --      --      --
  Restructuring charges..............      42       10      402     --      --
 Other income........................     210        5        9      58     292
 Other income includes:
  Gain on disposal of assets.........     216       23       18      28     272
  Income (loss) from affiliates--
   equity method.....................     (11)     (27)     (38)     38      35
 Total income (loss) before
  cumulative effect of
  changes in accounting principles...    (169)    (271)    (507)    310     540
 Cumulative effect of changes in
  accounting principles:
 Accounting for postemployment
  benefits...........................     (69)     --       --      --      --
 Accounting for postretirement
  benefits other than pensions.......     --    (1,159)     --      --      --
 Accounting for income taxes.........     --      (176)     --      --      --
                                       ------  -------  -------  ------  ------
 Net income (loss) before preferred
  dividends..........................  $ (238) $(1,606) $  (507) $  310  $  540
 Net income (loss) applicable to
  Steel Stock........................    (259)  (1,609)    (509)    306     523
PER SHARE DATA--STEEL STOCK:
 Total income (loss) before
  cumulative effect of changes in
  accounting principles--primary.....  $(2.96) $ (4.92) $(10.00) $ 6.00  $10.17
 Net income (loss)--primary..........   (4.04)  (28.85)  (10.00)   6.00   10.17
 Dividends paid......................    1.00     1.00      .94     .88     .88
CASH FLOW DATA:
 Cash provided from (used in)
  operating activities...............  $   86  $   (89) $     9  $  419  $  926
 Capital expenditures................     198      298      432     391     397
 Cash from disposal of assets........     291       39       26      49     787
BALANCE SHEET DATA (AT PERIOD END):
 Cash and cash equivalents...........  $   79  $    22  $    79  $   70  $  296
 Investments in equity method
  affiliates.........................     522      519      468     501     596
 Property, plant and equipment--net..   2,653    2,809    2,797   2,748   2,567
 Total assets........................   6,563    6,251    5,627   5,582   5,499
 Notes payable.......................     --        15       23      32       4
 Total long-term debt................   1,551    2,259    2,019   1,468   1,440
 Stockholders' equity................     617      247    1,692   2,244   2,055
</TABLE>
 
                                      S-9
<PAGE>
 
                                USX CORPORATION
 
              SUMMARY SELECTED CONSOLIDATED FINANCIAL INFORMATION
 
  The following summary selected consolidated financial information has been
derived from the consolidated financial statements of USX for each of the five
years in the period ended December 31, 1993. The information set forth below
should be read in connection with the USX consolidated financial statements and
notes thereto and accompanying "Management's Discussion and Analysis" contained
in the USX Annual Report on Form 10-K for the year ended December 31, 1992,
incorporated herein by reference. The data for the year ended December 31,
1993, have been derived from unaudited consolidated financial statements which,
in the opinion of management, reflect all adjustments necessary to a fair
statement of results for the period covered. All such adjustments are of a
normal recurring nature except as described herein. The information set forth
below should be read in connection with "USX Corporation--Selected Consolidated
Financial Information" and "USX Corporation--Analysis of Selected Consolidated
Financial Information" herein.
 
<TABLE>
<CAPTION>
                                            YEAR ENDED DECEMBER 31,
                                    -------------------------------------------
                                     1993     1992     1991     1990     1989
                                    -------  -------  -------  -------  -------
                                             (DOLLARS IN MILLIONS)
<S>                                 <C>      <C>      <C>      <C>      <C>
STATEMENT OF OPERATIONS DATA:
 Sales............................  $18,064  $17,813  $18,825  $20,659  $18,717
 Operating income (loss)..........       56       70     (259)   1,556    1,570
  Operating costs include:
   Depreciation, depletion and
   amortization...................    1,077    1,091    1,128    1,304    1,336
   Inventory market valuation
   charges (credits)..............      241      (62)     260     (140)    (145)
   B&LE litigation charge.........      342      --       --       --       --
   Restructuring charges..........       42      125      426      --       --
 Other income (loss)..............      257       (2)      39       37      406
  Other income (loss) includes:
   Gain on disposal of assets.....      253       24       30        7      370
 Total income (loss) before
  cumulative effect of
  changes in accounting
  principles......................     (167)    (160)    (578)     818      965
 Cumulative effect of changes in
  accounting principles:
  Accounting for postemployment
  benefits........................      (86)     --       --       --       --
  Accounting for retrospectively
  rated insurance contracts.......       (6)     --       --       --       --
  Accounting for postretirement
  benefits other than pensions....      --    (1,306)     --       --       --
  Accounting for income taxes.....      --      (360)     --       --       --
                                    -------  -------  -------  -------  -------
 Net income (loss) before
  preferred dividends.............  $  (259) $(1,826) $  (578) $   818  $   965
 Net income (loss) applicable to
  common stocks...................     (286)  (1,835)    (587)     800      907
CASH FLOW DATA:
 Cash provided from operating
  activities......................  $   944  $   920  $ 1,023  $ 1,621  $ 2,446
 Capital expenditures.............    1,151    1,505    1,392    1,391    1,429
 Cash from disposal of assets.....      469      117       78      558      988
BALANCE SHEET DATA (AT PERIOD
 END):
 Cash and cash equivalents........  $   268  $    57  $   279  $   263  $   786
 Property, plant and equipment--
  net.............................   11,603   11,759   11,593   11,584   11,995
 Total assets.....................   17,320   17,252   17,039   17,268   17,500
 Notes payable....................        1       47       79      138       16
 Total long-term debt.............    5,923    6,302    6,438    5,527    5,875
 Stockholders' equity.............    3,864    3,709    4,987    5,869    5,737
</TABLE>
 
                                      S-10
<PAGE>
 
                                USE OF PROCEEDS
 
  Based on the offering price of $41.00 per share, the net proceeds to USX from
the offering (prior to deduction of estimated expenses) will be $180,810,000
($200,900,000 if the over-allotment option is exercised in full). The net
proceeds to USX from the offering will be used for the general business
purposes of the U.S. Steel Group.
 
                                 CAPITALIZATION
 
  The following table sets forth the total capitalization of the U.S. Steel
Group and the total consolidated capitalization of USX as of December 31, 1993,
and as adjusted to give effect to the net proceeds from the offering (assuming
no exercise of the over-allotment option). The net proceeds will be reflected
entirely in the financial statements of the U.S. Steel Group. As a matter of
policy, USX manages most financial activities on a centralized, consolidated
basis. For information concerning attribution of debt and equity to the U.S.
Steel Group, see "U.S. Steel Group--Selected Financial Information" and "U.S.
Steel Group--Analysis of Selected Financial Information" herein.
 
<TABLE>
<CAPTION>
                                                        DECEMBER 31, 1993
                                                 -------------------------------
                                                   U.S. STEEL          USX
                                                      GROUP       CONSOLIDATED
                                                 --------------- ---------------
                                                           AS              AS
                                                 ACTUAL ADJUSTED ACTUAL ADJUSTED
                                                 ------ -------- ------ --------
                                                      (DOLLARS IN MILLIONS)
<S>                                              <C>    <C>      <C>    <C>
SHORT-TERM OBLIGATIONS (including notes payable
 and current maturities of long-term debt).....  $   11  $   11  $   36  $   36
LONG-TERM DEBT DUE AFTER ONE YEAR(A)...........   1,540   1,540   5,888   5,888
MINORITY INTEREST..............................       5       5       5       5
STOCKHOLDERS' EQUITY(B)........................     617     798   3,864   4,045
                                                 ------  ------  ------  ------
TOTAL CAPITALIZATION...........................  $2,173  $2,354  $9,793  $9,974
                                                 ======  ======  ======  ======
</TABLE>
- --------
(a) At December 31, 1993, certain long-term debt due within one year of $699
    million was included in long-term debt of USX since unused long-term credit
    agreements of $1,500 million were available for refinancing if needed.
(b) If the over-allotment option is exercised in full, stockholders' equity for
    the U.S. Steel Group and for USX as adjusted would be $818 million and
    $4,065 million, respectively.
 
                                      S-11
<PAGE>
 
           PRICE RANGE OF STEEL STOCK, DIVIDENDS AND DIVIDEND POLICY
 
  The Steel Stock is listed on the New York Stock Exchange (the "NYSE") and the
Chicago and Pacific Stock Exchanges. The following table sets forth the range
of high and low sales prices of the Steel Stock on the NYSE Composite Tape (the
"Composite Tape") for the stated periods.
 
<TABLE>
<CAPTION>
                                                                    HIGH   LOW
                                                                   ------ ------
   <S>                                                             <C>    <C>
   1992
     First Quarter................................................ 29 3/4 23 5/8
     Second Quarter...............................................   29   22 1/4
     Third Quarter................................................ 30 3/8   24
     Fourth Quarter............................................... 34 3/8 22 1/8
   1993
     First Quarter................................................ 41 1/2 31 1/2
     Second Quarter...............................................   46   35 1/2
     Third Quarter................................................ 40 3/4 27 1/2
     Fourth Quarter............................................... 43 3/8 30 3/8
   1994
     First Quarter (through January 25)........................... 45 5/8   40
</TABLE>
  On January 25, 1994, the reported last sale price of the Steel Stock on the
NYSE was $42 per share.
 
  On January 25, 1994, the Board declared a dividend of $.25 per share on Steel
Stock payable on March 10, 1994 to stockholders of record on February 4, 1994.
Shares of Steel Stock issued pursuant to the offering will be entitled to this
dividend. Since May 6, 1991, the Board has declared a dividend each quarter on
the Steel Stock of $.25 per share. The Board reserves the right to change the
dividend rate at any time and from time to time.
 
  The Board intends to declare and pay dividends on the Steel Stock based on
the financial condition and results of operations of the U.S. Steel Group,
although it has no obligation under Delaware law to do so. Dividends on the
Steel Stock will be payable when, as and if declared by the Board out of the
lesser of (i) the Available Steel Dividend Amount (as defined in "Description
of Capital Stock--Steel Stock--Dividends" in the accompanying Prospectus) and
(ii) legally available funds of USX (as defined under Delaware law). In making
its dividend decisions, the Board will rely on the financial statements of the
U.S. Steel Group. In determining its dividend policy, the Board will consider,
among other things, the long-term earnings and cash flow capabilities of the
U.S. Steel Group, as well as the dividend policies of publicly traded steel
companies. See "Special Considerations--Dividends and Earnings Per Share" and
"Description of Capital Stock--Steel Stock--Dividends" in the accompanying
Prospectus.
 
 
                                      S-12
<PAGE>
 
                        BUSINESS OF THE U.S. STEEL GROUP
 
STEEL INDUSTRY BACKGROUND AND COMPETITION
 
  The domestic steel industry is cyclical and highly competitive. Despite
significant reductions in raw steel production capability by major domestic
producers over the last decade, the domestic industry continues to be adversely
affected by excess world capacity. In certain years over the last decade,
extensive downsizings have necessitated costly restructuring charges which,
when combined with highly competitive market conditions, resulted in
substantial losses for most domestic integrated producers.
 
  U.S. Steel is one of the largest integrated steel producers in the United
States and ranked first in both tons of raw steel production and in tons of
steel shipped by domestic producers based on data for 1993. U.S. Steel competes
with many other domestic steel companies, a number of which have gone through
bankruptcy reorganization. Compared to integrated producers, minimills, which
rely on less capital intensive hot metal sources, have certain competitive
advantages. Since minimills are typically not unionized, they enjoy lower
employment costs and more flexible work rules. In certain product lines like
structural shapes, bars and rods, minimills have provided significant
competition for integrated producers in the domestic market. One minimill
company has constructed two plants utilizing thin slab casting technology to
produce flat rolled products which previously were produced domestically only
by integrated companies. These two plants are currently being expanded and this
company has announced its intention to construct a third flat-rolled plant with
a joint venture partner. At least two other flat-rolled mill projects have been
announced and several other companies are currently considering additional
projects for construction in the United States.
 
  The domestic steel industry has been adversely affected by unfairly traded
imports. Steel imports to the United States accounted for an estimated 19% of
the domestic steel market in the first eleven months of 1993, and for an
estimated 23% and 24% in October and November, respectively. Steel imports to
the United States accounted for an estimated 17% to 18% of the domestic steel
market in 1992 and 1991. On March 31, 1992, Voluntary Restraint Agreements
("VRAs") restricting the level of steel imports to the United States expired,
and in June 1992, in conjunction with other domestic steel firms, USX filed a
number of cases with the Department of Commerce ("USDC") and the International
Trade Commission ("ITC") against unfairly traded imported carbon flat rolled
steel. Beginning in late 1992, as a result of affirmative preliminary
determinations by both the ITC and the Department of Commerce in the vast
majority of cases, provisional duties were imposed on the imported steel
products under investigation. On June 22, 1993, the Department of Commerce
issued the final determinations of subsidization in the countervailing duty
cases and final margins for sales at less than fair value in the antidumping
cases.
 
  On July 27, 1993, the ITC issued affirmative determinations of material
injury to the domestic steel industry by reason of imports in cases
representing an estimated 51% of the dollar value and 42% of the volume of all
flat-rolled carbon steel imports under investigation. Affirmative
determinations were found in cases relating to 37% of such volume of cold-
rolled steel, 92% of such volume of the higher-value-added corrosion resistant
steel and 97% of such volume of plate steel. Negative determinations were found
in all cases related to hot-rolled steel, the largest import market.
 
  In those cases where negative determinations were made by the ITC,
provisional duties imposed on imports covered by the cases were removed and
final remedial duties were not imposed. While USX is unable to predict the
effect these negative determinations may have on the business or results of
operations of the U.S. Steel Group, they may result in increasing levels of
imported steel and may adversely affect some product prices. As discussed
above, steel imports to the United States have increased in recent months.
 
  Although the affirmative determinations are helpful in offsetting the harm to
the U.S. steel industry caused by subsidized and dumped imports, USX believes
that the negative determinations were improper and, together with other
domestic steel firms, has appealed such determinations to the U.S. Court of
International Trade and, in certain cases involving imports from Canada, to a
bi-national panel in accordance with the Canadian Free Trade Agreement. Several
of the affirmative determinations similarly have been challenged in appeals
filed by foreign steel producers. USX will file additional antidumping and
countervailing duty petitions if unfairly traded imports adversely impact, or
threaten to adversely impact, the results of the U.S. Steel Group.
 
                                      S-13
<PAGE>
 
  In addition to competition from other domestic and foreign steel producers,
U.S. Steel faces competition from producers of materials such as aluminum,
cement, composites, glass, plastics and wood in many markets.
 
  The U.S. Steel Group's businesses are subject to numerous federal, state and
local laws and regulations relating to the storage, handling, emission and
discharge of environmentally sensitive materials. U.S. Steel believes that its
major domestic integrated steel competitors are confronted by substantially
similar conditions and thus does not believe that its relative position with
regard to such other competitors is materially affected by the impact of
environmental laws and regulations. However, the costs and operating
restrictions necessary for compliance with environmental laws and regulations
may have an adverse effect on U.S. Steel's competitive position with regard to
domestic minimills and some foreign steel producers and producers of materials
which compete with steel, which may not be required to undertake equivalent
costs in their operations. For further information, see "Environmental Matters"
below.
 
BUSINESS STRATEGY
 
  U.S. Steel's raw steel production facilities are Gary Works in Indiana, Mon
Valley Works in Pennsylvania and Fairfield Works in Alabama.
 
  Over the last 10 years, U.S. Steel has responded to competition resulting
from excess steel industry capability by eliminating less efficient facilities,
modernizing those that remain and entering into joint ventures, all with the
objective of focusing production on higher value-added products for customers
in industries such as automotive, appliance, containers and oil country tubular
goods where superior quality and special characteristics are of critical
importance. U.S. Steel does not intend to sell all steel products but intends
to focus on selected markets with developments such as bake-hardenable steels
and coated sheets for the automobile industry, lamination sheet for the
manufacture of motors and electrical equipment and improved tin mill products
for the container industry. In addition, U.S. Steel intends to pursue lower
manufacturing cost objectives through continuing cost improvement programs.
These initiatives include, but are not limited to, reduced production cycle
time, improved yields, continued customer orientation and improved process
control.
 
  Since 1982, the number of U.S. Steel raw steel production facilities has been
reduced from nine to the three described above, and annual raw steel capability
has been reduced from 31 million to 12 million tons. Steel employment has been
reduced from approximately 89,000 in 1982 to about 18,000 in 1993. As a result
of downsizing its operations, the U.S. Steel Group recognized restructuring
charges aggregating $2.8 billion since 1982 as its less efficient facilities
have been shut down. During that period, U.S. Steel also invested approximately
$3.2 billion in facilities for its steel operations. U.S. Steel believes that
these expenditures have made its remaining steel operations among the most
modern, efficient and competitive in the world. With the completion of new
continuous casters at Gary Works in 1991 and at Mon Valley Works in 1992, U.S.
Steel achieved the ability to continuously cast 100% of its raw steel
production. This method of producing steel results in higher quality steel at a
lower cost than the previously used ingot method.
 
  Heavy investment has also been made in technology that complements the
casters. For example, U.S. Steel's largest blast furnace, located at Gary, was
rebuilt in 1991, at a cost of $110 million, to improve environmental controls
and install a state-of-the-art process control system and a third high-
efficiency hot-blast stove. The plate mill at Gary was also rebuilt in 1991,
and hot strip mill modifications and improvements were made over a number of
years at Fairfield and Gary to improve the quality of coils provided to
customers. For additional information concerning capital expenditures for the
U.S. Steel Group see "Capital Expenditures" below.
 
  In addition to the modernization of its production facilities, USX has
entered into a number of joint ventures with domestic and foreign partners to
take advantage of market or manufacturing opportunities in the sheet, tin
plate, tubular, bar and plate consuming industries. See "Joint Ventures and
Other Investments" below.
 
 
                                      S-14
<PAGE>
 
SALES
 
  The following table sets forth the total sales of the U.S. Steel Group for
each of the last three years. Such information does not include sales by joint
ventures and other affiliates of USX accounted for by the equity method.
 
                                     SALES
 
<TABLE>
<CAPTION>
                                                             1993   1992   1991
                                                            ------ ------ ------
                                                                 (MILLIONS)
   <S>                                                      <C>    <C>    <C>
   Steel and Related Businesses
     Sheets and Tin Mill Products.......................... $3,462 $2,994 $2,762
     Tubular Products......................................    334    308    403
     Plate, Structural and Other Steel Mill Products(a)....    595    537    658
     Coal..................................................    268    294    268
     Taconite Pellets and All Other(b).....................    763    619    509
   Other Businesses........................................    190    167    264
                                                            ------ ------ ------
       Total Sales......................................... $5,612 $4,919 $4,864
                                                            ====== ====== ======
</TABLE>
- --------
(a) U.S. Steel ceased production of structural products when South Works in
    Chicago closed in April 1992.
(b) Includes all other products sold by Steel and Related Businesses, including
    minerals and coke and all services sold, such as technical services.
 
                                      S-15
<PAGE>
 
STEEL AND RELATED BUSINESSES
 
  U.S. Steel operates plants which produce steel mill products in a variety of
forms and grades. Its principal facilities include Gary Works in Indiana, Mon
Valley Works in Pennsylvania (which includes the sheet and tin finishing
operations at Fairless Works) and Fairfield Works in Alabama which accounted
for approximately 58%, 22% and 20%, respectively, of U.S. Steel's 1993 raw
steel production of 11.3 million tons. The annual raw steel production
capability at December 31, 1993, of each of the three facilities in millions of
net tons is Gary Works - 7.1, Mon Valley Works - 2.6 and Fairfield Works - 2.2.
 
  USX and its wholly owned subsidiary, U.S. Steel Mining Co. Inc. ("U.S. Steel
Mining"), have domestic coal properties with demonstrated bituminous coal
reserves of approximately 945 million net tons at year-end 1993 compared with
approximately 981 million net tons at year-end 1992. This decline primarily
reflects the 1993 sale of the Cumberland coal mine, which had reserves of 36
million tons. The remaining reserves are of metallurgical and steam quality in
approximately equal proportions. They are located in Alabama, Pennsylvania,
Virginia, West Virginia, Illinois and Indiana. Approximately 77% of the
reserves are owned, and the rest are leased. Of the leased properties, 85% are
renewable indefinitely and the balance are covered principally by a lease which
expires in 2005. U.S. Steel Mining's Maple Creek coal mine and a related
preparation plant will be permanently closed on or about March 31, 1994 because
unforeseen and unpredictable geologic conditions made continued mining
economically infeasible. Reserves associated with the Maple Creek coal mine
were 31 million net tons at December 31, 1993.
 
  USX controls domestic iron ore properties having demonstrated iron ore
reserves in grades subject to beneficiation processes in commercial use by U.S.
Steel of approximately 790 million tons at year-end 1993, substantially all of
which are iron ore concentrate equivalents available from low-grade iron-
bearing materials, and the rest are higher grade ore. All of these demonstrated
reserves are located in Minnesota with approximately 40% being owned and 60%
being leased. Most of the leased reserves are covered by a lease expiring in
2058 and a group of leases expiring from 1996 to 2007. U.S. Steel's iron ore
operations at Mt. Iron, Minnesota ("Minntac") produced 14.2 million net tons of
taconite pellets in 1993 compared with 14.7 million net tons and 14.9 million
net tons in 1992 and 1991, respectively.
 
  USX's Resource Management administers the remaining mineral lands and timber
lands of the U.S. Steel Group and is responsible for the lease or sale of these
lands and their associated resources, which encompass approximately 300,000
acres of surface rights and 1,500,000 acres of mineral rights in 18 states.
 
  USX Engineers and Consultants, Inc. sells technical services worldwide to the
steel, mining, chemical and related industries. Together with its subsidiary
companies it provides engineering and consulting services for facility
expansions and modernizations, operating improvement projects, integrated
computer systems, coal and lubrication testing and environmental projects.
 
 
                                      S-16
<PAGE>
 
  Significant U.S. Steel shipment data by major market and product for each of
the last three years are presented in the following tables. Such data do not
include shipments by joint ventures and other affiliates of USX accounted for
by the equity method. Total steel shipments in 1990 and 1989 were 11,039
thousand tons and 11,469 thousand tons, respectively.
 
                     STEEL SHIPMENTS BY MARKET AND PRODUCT
 
<TABLE>
<CAPTION>
                                                                PLATES,
                                               SHEETS          STRUCTURAL
                                               & TIN  TUBULAR      &
       MAJOR DOMESTIC AND EXPORT MARKET         MILL  PRODUCTS  OTHER(A)  TOTAL
       --------------------------------        ------ -------- ---------- -----
                                                     (THOUSANDS OF NET TONS)
<S>                                            <C>    <C>      <C>        <C>
Year 1993
  Steel Service Centers....................... 1,967    255        615    2,837
  Transportation (Including Automotive)....... 1,558      8        239    1,805
  Construction................................   532      4        133      669
  Containers..................................   833      3          4      840
  Oil and Gas Drilling........................     9    330         29      368
  Machinery...................................   391     --         91      482
  Further Conversion.......................... 1,768     13        467    2,248
  All Other (Including Export and
   Appliances)(b).............................   659     18         43      720
                                               -----    ---      -----    -----
    Total..................................... 7,717    631      1,621    9,969
                                               =====    ===      =====    =====
Year 1992
  Steel Service Centers....................... 1,932    241        507    2,680
  Transportation (Including Automotive)....... 1,271      8        274    1,553
  Construction................................   492      2        104      598
  Containers..................................   710      2          3      715
  Oil and Gas Drilling........................     1    233         22      256
  Machinery...................................   377      1         74      452
  Further Conversion.......................... 1,147     24        394    1,565
  All Other (Including Export and
   Appliances)(b).............................   873     67         95    1,035
                                               -----    ---      -----    -----
    Total..................................... 6,803    578      1,473    8,854
                                               =====    ===      =====    =====
Year 1991
  Steel Service Centers....................... 1,624    186        554    2,364
  Transportation (Including Automotive)....... 1,121     10        162    1,293
  Construction................................   504      8        328      840
  Containers..................................   748      2          4      754
  Oil and Gas Drilling........................    --    211         18      229
  Machinery...................................   281      4         80      365
  Further Conversion..........................   929      9        416    1,354
  All Other (Including Export and
   Appliances)(b)............................. 1,301    187        159    1,647
                                               -----    ---      -----    -----
    Total..................................... 6,508    617      1,721    8,846
                                               =====    ===      =====    =====
</TABLE>
- --------
(a) U.S. Steel ceased production of structural products when South Works closed
    in April 1992.
(b) Includes steel export shipments of approximately .4 million tons in 1993,
    .6 million tons in 1992 and 1.3 million tons in 1991.
 
 
                                      S-17
<PAGE>
 
  Significant production data for the years 1989 through 1993 and products and
services by facility are presented in the following tables:
 
<TABLE>
<CAPTION>
                                1993      1992      1991      1990      1989
                              --------- --------- --------- --------- ---------
                               (THOUSANDS OF NET TONS, UNLESS OTHERWISE NOTED)
<S>                           <C>       <C>       <C>       <C>       <C>
RAW STEEL PRODUCTION
  Gary.......................     6,624     5,969     5,817     6,740     6,590
  Mon Valley.................     2,507     2,276     2,088     2,607     2,400
  Fairfield..................     2,203     2,146     1,969     1,937     1,488
  All other plants(a)........        --        44       648     2,335     3,692
                              --------- --------- --------- --------- ---------
    Total raw steel produc-
     tion....................    11,334    10,435    10,522    13,619    14,170
    Total cast production....    11,295     8,695     7,088     7,228     7,365
    Continuous cast as % of
     total production........      99.7      83.3      67.4      53.1      52.0
RAW STEEL CAPABILITY
 (AVERAGE)
  Continuous cast............    11,850     9,904     8,057     6,950     7,447
  Ingots.....................        --     2,240     6,919     9,451    10,289
                              --------- --------- --------- --------- ---------
    Total....................    11,850    12,144    14,976    16,401    17,736
    Total production as % of
     total capability........      95.6      85.9      70.3      83.0      79.9
    Continuous cast as % of
     total capability........     100.0      81.6      53.8      42.4      42.0
HOT METAL PRODUCTION.........     9,972     9,270     8,941 11,038       11,509
IRON ORE PELLETS
  Shipments..................    15,911    14,822    14,897    14,922    13,768
  Production as % of
   capacity..................      89.1      82.8      84.0      85.1      77.0
COKE PRODUCTION..............     6,425     5,917     5,091     6,663     6,008
COAL PRODUCTION
  Metallurgical coal(b)......     8,142     7,311     7,352     8,370     7,871
  Steam coal(b)(c)...........     2,444     5,239     2,829     3,151     2,530
                              --------- --------- --------- --------- ---------
    Total....................    10,586    12,550    10,181    11,521    10,401
    Total production as % of
     capacity................      95.6      93.6      76.1      85.9      84.0
</TABLE>
- --------
(a) In July 1991, U.S. Steel closed all iron and steel producing operations at
    Fairless Works. In April 1992, U.S. Steel closed South Works.
(b) The Maple Creek coal mine, which will be permanently closed on or about
    March 31, 1994, produced 1.0 million net tons of metallurgical coal and 0.7
    million net tons of steam coal in 1993.
(c) The Cumberland coal mine, which was sold in June 1993, produced 4.0 million
    net tons of steam coal in 1992 and 1.6 million net tons in 1993 prior to
    the sale.
 
                        PRINCIPAL PRODUCTS AND SERVICES
 
<TABLE>
   <S>                                       <C>
   Gary..................................... Sheets & Tin Mill; Plates; Coke
   Fairfield................................ Sheets; Tubular Products
   Mon Valley/Fairless(a)................... Sheets & Tin Mill
   Clairton................................. Coke
   Minntac.................................. Taconite Pellets
   U.S. Steel Mining........................ Coal
   Resource Management...................... Administration of Mineral, Coal and
                                             Timber Properties
   USX Engineers and Consultants............ Technical Services
</TABLE>
- --------
(a) In 1991, U.S. Steel closed all iron and steel producing operations and the
    pipe mill facilities at Fairless Works. Operations at the Fairless sheet
    and tin finishing facilities are sourced with hot strip mill coils from
    other U.S. Steel plants.
 
                                      S-18
<PAGE>
 
JOINT VENTURES AND OTHER INVESTMENTS
 
  USX participates directly and through subsidiaries in a number of joint
ventures included in the U.S. Steel Group. All of the joint ventures are
accounted for under the equity method. Certain of the joint ventures are
described below, all of which are 50% owned except Transtar.
 
  USX and Pohang Iron & Steel Co., Ltd. ("POSCO") of South Korea participate in
a joint venture ("USS-POSCO Industries") which owns and operates the former
U.S. Steel Pittsburg, California Plant. The joint venture markets high quality
sheet and tin products, principally in the western United States market area.
USS-POSCO Industries produces cold-rolled sheets, galvanized sheets, tin plate
and tin-free steel. A capital modernization and expansion program of nearly
$400 million to upgrade the facilities was completed in 1989. USS-POSCO's
annual capacity is 1.4 million tons.
 
  USX and Kobe Steel Ltd. ("Kobe") of Japan participate in a joint venture
("USS/Kobe Steel Company") which owns and operates the former U.S. Steel
Lorain, Ohio Works. The joint venture produces raw steel for the manufacture of
bar and tubular products. Bar products are sold by USS/Kobe Steel Company while
U.S. Steel retains sales and marketing responsibilities for tubular products.
Shipments in 1993 were 1.5 million tons. In late December 1993, USS/Kobe Steel
Company reached a tentative agreement on a new five and one-half year labor
contract with the USWA covering approximately 2,300 employees. The agreement is
subject to ratification by a vote of the USWA members, which should be
completed by February 1, 1994 when the current labor contract expires.
 
  USX and Kobe have formed another joint venture ("PRO-TEC Coating Company") to
construct, own and operate a hot dip galvanizing line in Leipsic, Ohio. Coating
capacity is approximately 600,000 tons per year, with substrate coils provided
by U.S. Steel. The facility commenced operations in early 1993.
 
  USX and Worthington Industries Inc. participate in a joint venture known as
Worthington Specialty Processing which operates a steel processing facility in
Jackson, Michigan. The plant is operated by Worthington Industries Inc. and is
dedicated to serving U.S. Steel customers. The facility contains state-of-the-
art technology capable of processing master steel coils into both slit coils
and sheared first operation blanks including rectangles, trapezoids,
parallelograms and chevrons. It is designed to meet specifications for the
automotive, appliance, furniture and metal door industries. The joint venture
processes material sourced by U.S. Steel, with a production capacity of almost
708,000 net tons annually.
 
  USX and Rouge Steel Company participate in Double Eagle Steel Coating
Company, a joint venture which operates an electrogalvanizing facility located
in Dearborn, Michigan. This facility enables U.S. Steel to further participate
in the expanding automotive demand for steel with corrosion resistant
properties. The facility utilizes U.S. Steel's proven CAROSEL technology
coupled with many refinements developed through actual operating experience on
the No. 1 Electrogalvanizing Line located at Gary Works. The facility can coat
both sides of sheet steel with zinc or alloy coatings and has the capability to
coat one side with zinc and the other side with alloy. Capacity is 700,000 tons
of galvanized steel annually, with availability of the facility shared by the
partners on an equal basis.
 
  National-Oilwell, a joint venture with National Supply Company Inc., a
subsidiary of Armco Inc., operates in the oil field service industry and has
eight manufacturing plants in the United States and abroad that produce a broad
line of drilling and production equipment. In the United States and abroad, it
also operates 129 oilfield supply stores, 33 service centers and 18 sales
offices where it sells its own manufactured equipment, tubular goods and other
oilfield operating supplies manufactured by others.
 
  USX owns a 45% interest in Transtar which purchased in 1988 the former
domestic transportation businesses of USX including railroads, a dock company,
USS Great Lakes Fleet, Inc. and Warrior & Gulf Navigation Company. Blackstone
Transportation Partners L.P. and Blackstone Capital Partners L.P., both
affiliated with The Blackstone Group, together own 52% of Transtar, and the
senior management of Transtar own the remaining 3%.
 
 
                                      S-19
<PAGE>
 
OTHER BUSINESSES
 
  In addition to the Steel and Related Businesses, the U.S. Steel Group
includes various other businesses, the most significant of which are described
below. The other businesses that are included in the U.S. Steel Group accounted
for 3% of the U.S. Steel Group's sales in 1993 and 1992 and 5% in 1991.
 
  USX Realty Development develops real estate for sale or lease and manages
retail and office space, business and industrial parks and residential and
recreational properties.
 
  USX Credit operates in the leasing and financing industry, managing a
portfolio of real estate and equipment loans. Those loans are generally secured
by the real property or equipment financed, often with additional security. USX
Credit's portfolio is diversified in terms of types and terms of loans,
borrowers, loan sizes, sources of business and types and locations of
collateral. USX Credit is not actively making new loan commitments.
 
  Cyclone Fence distributes and erects fencing products primarily for
commercial use.
 
  RMI Titanium Company ("RMI") is a leading producer of titanium metal
products. USX has a majority interest in RMI which is a publicly traded company
listed on the NYSE.
 
EMPLOYEES
 
  The total number of active employees for the U.S. Steel Group at year-end for
each of the last three years was 21,892 in 1993, 21,183 in 1992 and 21,968 in
1991. Most hourly and certain salaried employees are represented by the United
Steelworkers of America ("USWA").
 
  On November 17, 1993, U.S. Steel reached a tentative agreement on a new five
and one-half year contract with the USWA covering approximately 15,000
employees. The agreement is subject to ratification by a vote of the USWA
members, which should be completed by February 1, 1994 when the current labor
contract expires. U.S. Steel fully expects ratification by such time, but such
ratification cannot be guaranteed. If this agreement is ratified, the U.S.
Steel Group's labor and benefit costs will increase each year throughout the
term of the agreement. The agreement includes a signing bonus of $1,000 per
USWA represented employee payable during the first quarter of 1994, $500 of
which represents the final bonus payable under the existing agreement.
Management believes that this agreement is competitive with labor agreements
reached by U.S. Steel's major domestic integrated competitors and thus does not
believe that U.S. Steel's competitive position with regard to such competitors
will be materially affected by its ratification.
 
  In January 1994, U.S. Steel Mining entered into a five year agreement with
the United Mine Workers covering approximately 1,700 employees, approximately
400 of which are attributable to the Maple Creek coal mine.
 
CAPITAL EXPENDITURES
 
  During the past three years, the U.S. Steel Group has made capital
expenditures primarily for the replacement, modernization and expansion of
facilities and production capabilities, including steel production and
finishing, the mining of raw materials, and environmental controls associated
with steel production and other facilities. Capital expenditures for the U.S.
Steel Group were $198 million in 1993, compared with $298 million in 1992 and
$432 million in 1991. Significant expenditures in 1993 included amounts for
upgrades of the hot strip mill and a pickle line at Gary Works and
environmental projects at Gary Works and Mon Valley Works. The decline in
capital spending over this period primarily reflected the completion of U.S.
Steel's continuous cast modernization program in 1992. Capital expenditures for
1994 are currently estimated at $260 million and will include continued
expenditures for projects begun in 1993 relative to environmental, hot-strip
mill and pickle line improvements at Gary Works and initial expenditures for a
blast furnace project at Mon Valley Works which is planned for completion in
1995. Capital expenditures in 1995 and 1996 are currently expected to remain at
about the same level as in 1994.
 
RESEARCH AND DEVELOPMENT
 
  The research and development activities of U.S. Steel are conducted mainly at
the U.S. Steel Technical Center in Monroeville, Pennsylvania. Expenditures for
steel research and development were $22 million in 1993, $23 million in 1992
and $22 million in 1991.
 
 
                                      S-20
<PAGE>
 
  Steel research is devoted to developing new or improved processes for the
mining and beneficiation of raw materials such as coal and iron ore and for the
production of steel; developing new and improved products in steel and other
product lines; developing technology for meeting environmental regulations and
for achieving higher productivity in these areas; and serving customers in the
selection and use of U.S. Steel's products. Steel research has contributed to
current business performance through expanded use of on-site plant improvement
teams. In addition, several collaborative research programs with technical
projects directed at mid- to long-range research opportunities have been
continued at universities and in conjunction with other domestic steel
companies through the American Iron and Steel Institute.
 
ENVIRONMENTAL MATTERS
 
  The businesses of the U.S. Steel Group are subject to numerous federal, state
and local laws and regulations relating to the protection of the environment.
These environmental laws and regulations include the Clean Air Act ("CAA") with
respect to air emissions, the Clean Water Act ("CWA") with respect to water
discharges, the Resource Conservation and Recovery Act ("RCRA") with respect to
solid and hazardous waste treatment, storage and disposal and the Comprehensive
Environmental Response, Compensation and Liability Act ("CERCLA") with respect
to releases and remediation of hazardous substances. In addition, many states
where the U.S. Steel Group operates have similar laws dealing with the same
matters. These laws are constantly evolving and becoming increasingly
stringent. The ultimate impact of complying with existing laws and regulations
is not always clearly known or determinable due in part to the fact that
certain implementing regulations for laws such as RCRA and the CAA have not yet
been promulgated. These environmental laws and regulations, particularly the
1990 Amendments to the CAA and new water quality standards, could result in
substantially increased capital, operating and compliance costs.
 
  The U.S. Steel Group has incurred and will continue to incur substantial
capital, operating and maintenance, and remediation expenditures as a result of
environmental laws and regulations. To the extent these expenditures, as with
all costs, are not ultimately reflected in the prices of the U.S. Steel Group's
products and services, operating results will be adversely affected. The U.S.
Steel Group believes that all of its domestic competitors are subject to
similar environmental laws and regulations. However, the specific impact on
each competitor may vary depending on a number of factors, including the age
and location of their operating facilities and their production methods.
 
 AIR
 
  The 1990 Amendments to the CAA impose more stringent limits on air emissions,
establish a federal permit program and allow for enhanced civil and criminal
enforcement sanctions. The principal impact of the 1990 Amendments to the CAA
on the U.S. Steel Group is on the coke-making operations of U.S. Steel. The
coal mining operations and sales of U.S. Steel Mining may also be affected.
 
  The 1990 Amendments to the CAA specifically address the regulation and
control of hazardous air pollutants, including emissions from coke ovens.
Generally, emissions from existing coke ovens must comply with technology-based
limits by the end of 1995 and comply with a health risk-based standard by the
end of 2003. However, a coke oven will not be required to comply with the
health risk-based standard until January 1, 2020, if it complied with the
technology-based standard at the end of 1993 and also complies with another
technology-based standard by January 1, 2010. USX believes that it met the 1993
requirement and will be able to meet the 2010 compliance date.
 
  The 1990 Amendments to the CAA also mandate the nationwide reduction of
emissions of acid rain precursors (sulfur dioxide and nitrogen oxides) from
fossil fuel-fired electrical utility plants. Specified emission reductions are
to be achieved by 2000. Phase I begins on January 1, 1995, and applies to 110
utility plants specifically listed in the law. Phase II, which begins on
January 1, 2000, will apply to other utility plants which may be regulated
under the law. U.S. Steel, like all other electricity consumers, will be
impacted by increased electrical energy costs that are expected as electric
utilities seek rate increases to comply with the acid rain requirements.
 
 
                                      S-21
<PAGE>
 
  In 1993, 77% of the coal production of U.S. Steel Mining was metallurgical
coal, and the balance was steam coal. While USX believes that the new
requirements for coke ovens will not have an immediate effect on U.S. Steel
Mining, the requirements may encourage development of steelmaking processes
that do not require the use of coke. In addition, steam coal users are tending
to use lower-sulfur coal to comply with the acid rain requirements. U.S. Steel
Mining has been able to respond to this market development through blending and
additional processing techniques and does not anticipate any material adverse
impact from these changes.
 
 WATER
 
  The U.S. Steel Group maintains the necessary discharge permits as required
under the National Pollutant Discharge Elimination System program of the CWA
and it is in compliance with such permits. U.S. Steel is currently negotiating
with the Environmental Protection Agency ("EPA") to develop a plan to remediate
the section of the Grand Calumet River that runs through Gary Works. Approval
of the sedimentation remediation plan is expected in early 1994. The entire
remediation process through validation of the environmental recovery of the
river is expected to take about 10 years. The program cost will be
approximately $29 million over 5 to 6 years, all of which has previously been
accrued.
 
 SOLID WASTE
 
  The U.S. Steel Group continues to seek methods to minimize the generation of
hazardous wastes in its operations. Over the past 5 years, it has reduced the
volume of toxic releases reported under the Superfund Amendments and
Reauthorization Act of 1986 (Section 313) by 75%, primarily through recycling
and process changes. RCRA establishes standards for the management of solid and
hazardous wastes. Besides affecting current waste disposal practices, this Act
also addresses the environmental effects of certain past waste disposal
operations, the recycling of wastes and the leaking of hazardous materials
other than wastes from underground tanks. Since the EPA has not yet promulgated
implementing regulations for all provisions of RCRA and has not yet made clear
the practical application of all the implementing regulations it has
promulgated, the costs of compliance cannot be accurately estimated. In
addition, new laws are being enacted and regulations are being adopted by
various regulatory agencies on a continuing basis and the costs of compliance
with these new rules can only be broadly appraised until their implementation
becomes more accurately defined. Corrective action under RCRA related to past
waste disposal activities is discussed under "Legal Proceedings--Environmental
Proceedings."
 
 PROPOSED COMPREHENSIVE ENVIRONMENTAL COMPLIANCE PROGRAM AT GARY WORKS
 
  In order to facilitate long-term environmental compliance planning and
spending at Gary Works and allow it to remain competitive, USX has entered into
discussions with the Indiana Department of Environmental Management ("IDEM")
and the EPA concerning the development of a 10-year environmental enhancement
program at Gary Works. This program, as proposed, would cover all state and
federal environmental laws, including air, water and hazardous waste. Under
such a program, USX would agree in advance to expend up to a specified amount
(possibly in the range of $20-30 million) each year during the period for
environmental enhancement projects at Gary Works. These projects would include
those anticipated under future regulations and voluntary projects for which
there is no present or anticipated future legal requirement. This program would
benefit USX by enabling it to better plan for its environmental expenditures
over the next ten years. In addition, IDEM, the EPA and the public would
benefit from having a major industrial facility committed to environmental
expenditures not presently mandated by law. This project is in the early stages
of discussion and there is no present commitment that the program will be
accepted.
 
 CAPITAL EXPENDITURES
 
  The U.S. Steel Group's capital expenditures for environmental controls are
expected to be approximately $70 million in 1994, including the expected
completion of major air quality projects at Gary Works.
 
                                      S-22
<PAGE>
 
Predictions beyond 1994 can only be broad-based estimates which have varied,
and will continue to vary, due to the ongoing evolution of specific regulatory
requirements, the possible imposition of more stringent requirements and the
availability of new technologies, among other matters. Based upon currently
identified projects, the U.S. Steel Group anticipates that environmental
capital expenditures will be approximately $25 million in 1995; however, actual
expenditures may increase as additional projects are identified or as
additional requirements are imposed. In 1993, 1992 and 1991, such expenditures
were $53 million, $52 million and $73 million, respectively.
 
  USX is also involved in a number of remedial actions under CERCLA, RCRA and
similar state statutes related to the U.S. Steel Group. See "Legal
Proceedings--Environmental Proceedings" below.
 
LEGAL PROCEEDINGS
 
  USX is the subject of, or party to, a number of pending or threatened legal
actions, contingencies and commitments related to the U.S. Steel Group
involving a variety of matters including laws and regulations relating to the
environment. Certain of these matters are discussed below. The ultimate
resolution of these contingencies could, individually or in the aggregate, be
material to the U.S. Steel Group financial statements. However, management
believes that USX will remain a viable and competitive enterprise even though
it is possible that these contingencies could be resolved unfavorably to the
U.S. Steel Group. See in USX Corporation--Analysis of Selected Consolidated
Financial Information--Liquidity and Capital Resources" and footnote (f) to
"U.S. Steel Group--Selected Financial Information" herein.
 
 B&LE LITIGATION; MDL-587
 
  On January 24, 1994, the U.S. Supreme Court denied a petition for Writ of
Certiorari by the B&LE in MDL-587. As a result, the decision of the U.S. Court
of Appeals for the Third Circuit affirming judgments of approximately $498
million, plus interest, relating to antitrust violations by the B&LE was
permitted to stand. In addition, the Third Circuit decision remanded the claims
of two plaintiffs for retrial of their damage awards. At trial these plaintiffs
asserted claims of approximately $8 million, but were awarded only nominal
damages by the jury.
 
  The B&LE was a wholly owned subsidiary of USX throughout the period the
conduct occurred. It is now a subsidiary of Transtar in which USX has a 45%
equity interest. These actions were excluded liabilities in the sale of USX's
transportation units in 1988, and USX is obligated to reimburse Transtar for
judgments paid by the B&LE.
 
  Following the Court of Appeals decision, USX, which had previously accrued
$90 million on a pretax basis for this litigation, charged an additional amount
of $619 million on a pretax basis against the results of the U.S. Steel Group
in the second quarter of 1993. In late 1993, USX and LTV Steel Corp. ("LTV"),
one of the plaintiffs in MDL-587, agreed to settle all of LTV's claims in that
action for $375 million. USX's potential liability in the LTV portion of the
case was estimated to be in excess of $500 million at year end 1993. USX made a
payment of $200 million on December 29, 1993 and is obligated to pay an
additional $175 million not later than February 28, 1994. Claims of three
additional plaintiffs were also settled in December 1993. These settlements
resulted in a pretax credit of $127 million in the fourth quarter financial
results of the U.S. Steel Group. As a result of the denial of the Petition for
Writ of Certiorari, judgments for the other MDL-587 plaintiffs (other than the
two remanded for retrial), totaling approximately $210 million, including post-
judgment interest, are due for payment in the first quarter of 1994.
 
 B&LE LITIGATION; ARMCO
 
  In June 1990, following judgments entered on behalf of steel company
plaintiffs in MDL-587, Armco Steel filed federal antitrust claims against the
B&LE and other railroads in the Federal District Court for the District of
Columbia. B&LE successfully challenged the actions for lack of jurisdiction and
venue, and the case was transferred to the Federal District Court for the
Northern District of Ohio. Other defendant railroads settled with Armco,
leaving B&LE the only remaining defendant. On April 7, 1993, B&LE's motion to
dismiss the federal antitrust claims on grounds of statute of limitations was
granted. Subsequently, Armco
 
                                      S-23
<PAGE>
 
refiled its claims under the Ohio Valentine Act in the Butler County Court of
Common Pleas. B&LE's motions for summary judgment on time bar issues and for
change of venue to another Ohio county are pending, and not yet fully briefed.
No discovery has been taken on the merits of Armco's claims, but if Armco
survives the present and possibly further pretrial motions and the case
proceeds to trial on the merits, Armco's claimed damages are likely to be
substantial. There is a dispute as to whether the Armco case was an excluded
liability in the sale of USX's transportation units and whether USX is
obligated to reimburse Transtar for a judgment in this case.
 
 FAIRFIELD AGREEMENT LITIGATION
 
  On November 15, 1989, USX and two former officials of the USWA were indicted
by a federal grand jury in Birmingham, Alabama which alleged that USX granted
leaves of absence and pensions to the union officials with intent to influence
their approval, implementation and interpretation of the December 24, 1983
Fairfield agreement, which resulted in reopening U.S. Steel's Fairfield Works.
On July 10, 1990, USX and the union officials were convicted. On September 27,
1990, the District Court imposed a $4.1 million fine on USX and ordered
restitution to the U.S. Steel and Carnegie Pension Fund of approximately
$300,000. USX believes the verdicts were erroneous and has appealed the
decision to the U.S. Court of Appeals for the 11th Circuit. The payment of the
fine and the restitution have been stayed pending the appeal. A former
executive officer of USX who was also subsequently indicted has pleaded not
guilty and has not yet been tried. A related civil class action against USX,
the damage claims of which were dismissed by the trial court, has been appealed
by the plaintiffs to the U.S. Court of Appeals for the 11th Circuit.
 
 PICKERING LITIGATION
 
  On November 3, 1992, the United States District Court for the District of
Utah Central Division issued a Memorandum Opinion and Order in Pickering v. USX
relating to pension and compensation claims by approximately 1,900 employees of
USX's former Geneva (Utah) Works. Although the court dismissed a number of the
claims by the plaintiffs, it found that USX had violated the Employee
Retirement Income Security Act by interfering with the accrual of pension
benefits of certain employees and amending a benefit plan to reduce the accrual
of future benefits without proper notice to plan participants. Further
proceedings were held to determine damages and, pending the court's
determinations, USX may appeal. Plaintiffs' counsel has been reported as
estimating plaintiffs' anticipated recovery to be in excess of $100 million.
USX believes actual damages will be substantially less than plaintiffs'
estimates.
 
 ENERGY BUYERS LITIGATION
 
  On December 21, 1992, an arbitrator issued an award for approximately $117
million, plus interest under Ohio law, against USX in Energy Buyers Service
Corporation v. USX Corporation, a case originally filed in the District Court
of Harris County, Texas. Such amount was fully accrued as of December 31, 1992.
On December 15, 1993, USX agreed to settle all claims in the case for $95
million and deferred payments of up to $9 million.
 
 ALOHA STADIUM LITIGATION
 
  A jury trial commenced in late June 1993, in a case filed in the Circuit
Court of the First Circuit of Hawaii by the State of Hawaii alleging, among
other things, that the weathering steel, including USS COR-TEN Steel, which was
incorporated into the Aloha Stadium was unsuitable for the purpose used.
Numerous parties, including U.S. Steel, architects, suppliers, engineers, and
other steel producers were named as defendants. By the time of trial, U.S.
Steel was the only remaining defendant. The State sought damages of
approximately $97 million for past and future repair costs and also sought
treble damages and punitive damages for deceptive trade practices and fraud,
respectively. On October 1, 1993, the jury returned a verdict finding no
liability on the part of U.S. Steel. In January 1994, the State appealed the
decision to the Supreme Court of Hawaii.
 
 INLAND STEEL PATENT LITIGATION
 
  In July 1991, Inland Steel Company ("Inland") filed an action against USX and
another domestic steel producer in the U.S. District Court for the Northern
District of Illinois, Eastern Division, alleging defendants
 
                                      S-24
<PAGE>
 
have infringed two of Inland's steel-related patents. Inland seeks monetary
damages of up to approximately $50 million and an injunction against future
infringement. USX in its answer and counterclaim alleges the patents are
invalid and not infringed and seeks a declaratory judgment to such effect. In
May 1993, a jury found USX to have infringed the patents. The District Court
has yet to rule on the validity of the patents. In July 1993, the U.S. Patent
Office rejected the claims of the two Inland patents upon a reexamination at
the request of USX and the other steel producer. A further request for review
was submitted by USX to the Patent Office in October 1993 presenting additional
questions as to patentability which was granted in December 1993. Inland is
entitled to a hearing prior to the time that the decision of the Patent Office
becomes final, and any final decision by the Patent Office is subject to
judicial appeal.
 
 SECURITIES LITIGATION
 
  In July 1993, a class action was filed in the U.S. District Court for the
Western District of Pennsylvania (Finkel v. Lehman Brothers, et al.) naming as
defendants USX, Messrs. C.A. Corry, R.M. Hernandez and L.B. Jones, officers of
the Corporation, and the underwriters in a public offering of 10 million shares
of Steel Stock completed on July 29, 1993. The complaint alleges that the
Corporation's prospectus and registration statement was false and misleading
with respect to the effect of unfairly traded imports on the domestic steel
industry and the then pending ITC proceedings and seeks as damages the
difference between the public offering price and the value of the shares at the
time the action was brought or the price at which shares were disposed of prior
to filing the suit. Two additional actions (Snyder v. USX, et al. and Erenberg
v. USX, et al.) involving essentially the same issues were filed in August 1993
in the same court and added Mr. T.J. Usher, also an officer, as a defendant. In
January 1994, USX filed a motion to dismiss these cases, which have been
consolidated.
 
 ENVIRONMENTAL PROCEEDINGS
 
  The following is a summary of the U.S. Steel Group proceedings that were
pending or contemplated as of December 31, 1993 under federal and state
environmental laws. Except as described herein, it is not possible to predict
accurately the possible outcome of these matters; however, management's belief
set forth in the first paragraph under "Legal Proceedings" above takes such
matters into account.
 
  Claims under CERCLA and related state acts have been raised with respect to
the cleanup of various waste disposal and other sites. CERCLA is intended to
expedite the cleanup of hazardous substances without regard to fault.
Potentially responsible parties ("PRPs") for each site include present and
former owners and operators of, transporters to and generators of the
substances at the site. Liability is strict and can be joint and several.
Because of the ambiguity of the regulations, the difficulty of identifying the
responsible parties for any particular site, the complexity of determining the
relative liability among them, the uncertainty as to the most desirable
remediation techniques and the amount of damages and cleanup costs and the time
period during which such costs may be incurred, USX is unable to reasonably
estimate the ultimate cost of compliance with CERCLA.
 
  At December 31, 1993, USX had been identified as a PRP at a total of 41
CERCLA sites related to the U.S. Steel Group. Based on currently available
information, which is in many cases preliminary and incomplete, USX believes
that its liability for cleanup and remediation costs at 34 of these sites will
be under $1 million per site and most will be under $100,000. At one site, U.S.
Steel's former Duluth, Minnesota Works, USX expects to spend approximately $3.3
million over the next three years. However, in September 1993, USX was directed
to develop alternative methods of remediation for this site, the cost of which
is presently unknown and indeterminable and, as a result, future costs may be
more or less than the $3.3 million previously estimated. At the remaining 6
sites, USX has no reason to believe that its share in the remaining cleanup
costs at any single site will exceed $5 million, although it is not possible to
accurately predict the amount of USX's share in any final allocation of such
costs.
 
  In addition, there are 28 sites related to the U.S. Steel Group where USX has
received information requests or other indications that USX may be a PRP under
CERCLA but where sufficient information is not presently available to confirm
the existence of liability or make any judgment as to the amount thereof.
 
 
                                      S-25
<PAGE>
 
  There are also 9 additional sites related to the U.S. Steel Group where state
governmental agencies or private parties are seeking remediation under state
environmental laws through discussions or litigation. Based on currently
available information, which is in many cases preliminary and incomplete, the
U.S. Steel Group believes that its liability for cleanup and remediation costs
in connection with two of these sites will be under $100,000 per site, another
two sites have potential costs between $100,000 and $1 million per site and one
site may involve remediation costs between $1 million and $5 million. The cost
associated with remediation at four sites is not presently capable of being
classified.
 
  Additionally, the U.S. Steel Group has commenced a RCRA Facility
Investigation and a Corrective Measure Study at its Fairless Works. This study
is expected to take three years to complete at a cost of $2 million to $3
million. The cost associated with this remediation is not presently reasonably
estimable. Remediation activities might also be required at other U.S. Steel
Group sites under RCRA. It is also possible that additional matters may come to
USX's attention which may require remediation.
 
  It is not possible to accurately predict the ultimate amount of remediation
costs which may be incurred and penalties which may be imposed. As
environmental remediation matters proceed toward ultimate resolution or as
additional remediation obligations arise, charges in excess of those previously
provided may be required.
 
                                      S-26
<PAGE>
 
                               U.S. STEEL GROUP
 
                        SELECTED FINANCIAL INFORMATION
 
  The following selected financial information has been derived from the
financial statements of the U.S. Steel Group for each of the five years in the
period ended December 31, 1993. The information set forth below should be read
in connection with the U.S. Steel Group financial statements and notes thereto
and accompanying "Management's Discussion and Analysis" contained in the USX
Annual Report on Form 10-K for the year ended December 31, 1992, incorporated
herein by reference. The data for the year ended December 31, 1993, have been
derived from unaudited financial statements which, in the opinion of
management, reflect all adjustments necessary to a fair statement of results
for the period covered. All such adjustments are of a normal recurring nature
except as described herein. Specific reference is made to footnotes (a) and
(b) regarding basis of presentation and corporate activities. The financial
information of the U.S. Steel Group supplements the consolidated financial
information of USX and, taken together with the financial information of the
Marathon Group and the Delhi Group, includes all accounts which comprise the
corresponding consolidated financial information of USX.
 
<TABLE>
<CAPTION>
                                            YEAR ENDED DECEMBER 31,
                                      ----------------------------------------
                                       1993    1992     1991     1990    1989
                                      ------  -------  -------  ------  ------
                                        (DOLLARS IN MILLIONS, EXCEPT PER
                                                  SHARE DATA)
<S>                                   <C>     <C>      <C>      <C>     <C>
STATEMENT OF OPERATIONS DATA:
 Sales............................... $5,612  $ 4,919  $ 4,864  $6,073  $6,509
 Operating income (loss).............   (149)    (241)    (617)    475     640
 Operating costs include:
  Depreciation, depletion and amor-
   tization..........................    314      288      253     278     307
  Pension credits(c).................   (202)    (231)    (196)   (262)   (213)
  B&LE litigation charge(d)..........    342      --       --      --      --
  Restructuring charges..............     42       10      402     --      --
 Other income........................    210        5        9      58     292
 Other income includes:
  Gain on disposal of assets.........    216       23       18      28     272
  Income (loss) from affiliates--eq-
   uity method.......................    (11)     (27)     (38)     38      35
 Total income (loss) before income
  taxes and cumulative effect of
  changes in accounting
  principles(e)......................   (210)    (394)    (756)    437     787
 Total income (loss) before
  cumulative effect of
  changes in accounting principles...   (169)    (271)    (507)    310     540
 Cumulative effect of changes in ac-
  counting principles:(f)
 Accounting for postemployment bene-
  fits...............................    (69)     --       --      --      --
 Accounting for postretirement bene-
  fits other than pensions...........    --    (1,159)     --      --      --
 Accounting for income taxes.........    --      (176)     --      --      --
                                      ------  -------  -------  ------  ------
 Net income (loss) before preferred
  dividends..........................   (238)  (1,606)    (507)    310     540
 Dividends on preferred stock........    (21)      (3)      (2)     (4)    (17)
                                      ------  -------  -------  ------  ------
 Net income (loss) applicable to
  Steel Stock........................ $ (259) $(1,609) $  (509) $  306  $  523
                                      ======  =======  =======  ======  ======
BALANCE SHEET DATA (AT PERIOD
 END):(G)
 Cash and cash equivalents........... $   79  $    22  $    79  $   70  $  296
 Working capital (d).................    (46)      58       99     521      40
 Capital expenditures................    198      298      432     391     397
 Investments in equity method affili-
  ates...............................    522      519      468     501     596
 Property, plant and equipment--net..  2,653    2,809    2,797   2,748   2,567
 Total assets........................  6,563    6,251    5,627   5,582   5,499
 Capitalization:
 Notes payable....................... $  --   $    15  $    23  $   32  $    4
 Total long-term debt................  1,551    2,259    2,019   1,468   1,440
 Minority interest...................      5       16       37      67     --
 Stockholders' equity(h).............    617      247    1,692   2,244   2,055
                                      ------  -------  -------  ------  ------
   Total capitalization.............. $2,173  $ 2,537  $ 3,771  $3,811  $3,499
                                      ======  =======  =======  ======  ======
PER SHARE DATA--STEEL STOCK:(I)
 Total income (loss) before
  cumulative effect of changes in
  accounting principles:
 --primary........................... $(2.96) $ (4.92) $(10.00) $ 6.00  $10.17
 --fully diluted.....................  (2.96)   (4.92)  (10.00)   5.83    9.93
 Net income (loss):
 --primary...........................  (4.04)  (28.85)  (10.00)   6.00   10.17
 --fully diluted.....................  (4.04)  (28.85)  (10.00)   5.83    9.93
 Dividends paid......................   1.00     1.00      .94     .88     .88
 Book value..........................   8.32     3.72    32.68   43.59   38.50
</TABLE>
 
  The footnotes appearing on the following five pages are an integral part of
                               this information.
 
                                     S-27
<PAGE>
 
- --------
 
(a) Basis of Presentation
 
  The financial statements of the U.S. Steel Group include the financial
  position, results of operations and cash flows for all businesses of USX
  other than the businesses, assets and liabilities included in the Marathon
  Group or the Delhi Group, and a portion of the corporate assets and
  liabilities and related transactions which are not separately identified
  with ongoing operating units of USX. The financial statements of the U.S.
  Steel Group have been prepared using the amounts included in the USX
  consolidated financial statements. Corporate amounts reflected in these
  financial statements are determined based upon methods which management
  believes to be reasonable (see following footnote). The accounting policies
  applicable to the preparation of the financial statements of the U.S. Steel
  Group may be modified or rescinded in the sole discretion of the Board,
  although the Board has no present intention to do so. The Board may also
  adopt additional policies depending on the circumstances.
 
  Although the financial statements of the U.S. Steel Group, the Marathon
  Group and the Delhi Group separately report the assets, liabilities
  (including contingent liabilities) and stockholders' equity of USX
  attributed to each such Group, such attribution does not affect legal title
  to such assets or responsibility for such liabilities. Holders of Steel
  Stock, Marathon Stock and Delhi Stock are stockholders of USX and continue
  to be subject to all the risks associated with an investment in USX and all
  of its businesses and liabilities. Financial impacts arising from the
  Marathon Group or the Delhi Group which affect the overall cost of USX's
  capital could affect the results of operations and financial condition of
  the U.S. Steel Group. In addition, net losses of any Group, as well as
  dividends or distributions on any class of USX common stock or series of
  Preferred Stock, and repurchases of any class of USX common stock or
  certain series of Preferred Stock, will reduce the legally available funds
  of USX available for payment of dividends on the Steel Stock. Accordingly,
  the USX consolidated financial statements and related notes should be read
  in connection with the U.S. Steel Group financial information. See "USX
  Corporation--Selected Consolidated Financial Information" and "USX
  Corporation--Analysis of Selected Consolidated Financial Information"
  herein.
 
  The Board intends to declare and pay dividends on the Steel Stock based on
  the financial condition and results of operations of the U.S. Steel Group,
  although it has no obligation under Delaware law to do so. Dividends on the
  Steel Stock will be payable when, as and if declared by the Board out of
  the lesser of (i) the Available Steel Dividend Amount and (ii) legally
  available funds of USX. The Available Steel Dividend Amount is increased or
  decreased, as appropriate, to reflect Steel Net Income, dividends,
  repurchases or issuances with respect to the Steel Stock and Preferred
  Stock attributed to the U.S. Steel Group and certain other items. In
  accordance with the Certificate of Incorporation, the Available Steel
  Dividend Amount was adjusted in 1992 to eliminate the effect of the
  recognition of the transition obligation of the adoption of Statement of
  Financial Accounting Standards No. 106--Employer's Accounting for
  Postretirement Benefits Other Than Pension ("SFAS 106") and the unfavorable
  cumulative effect of the adoption of Statement of Financial Accounting
  Standards No. 109--Accounting for Income Taxes ("SFAS 109"). See footnote
  (e). At December 31, 1993, the Available Steel Dividend Amount was at least
  $1.849 billion.
 
(b) Corporate Activities
 
  Financial activities--As a matter of policy, USX manages most financial
  activities on a centralized, consolidated basis. Such financial activities
  include the investment of surplus cash; the issuance, repayment and
  repurchase of short-term and long-term debt; the issuance, repurchase and
  redemption of preferred stock; and the issuance and repurchase of common
  stock. Transactions related primarily to invested cash, short-term and
  long-term debt (including convertible debt), related net interest and other
  financial costs, and preferred stock and related dividends are attributed
  to the U.S. Steel Group, the Marathon Group and the Delhi Group based upon
  the cash flows of each group for the periods presented and the initial
  capital structure of each group. Most financing transactions are attributed
  to and reflected in the financial statements of the three groups. However,
  certain transactions such as leases, production payment financings,
  financial activities of consolidated entities which are less than wholly
  owned by USX
 
                                      S-28
<PAGE>
 
  and transactions related to securities convertible solely into any one
  class of common stock are or will be specifically attributed to and
  reflected in their entirety in the financial statements of the group to
  which they relate.
 
  Corporate general & administrative costs--Corporate general and
  administrative costs are allocated to the U.S. Steel Group, the Marathon
  Group and the Delhi Group based upon methods management believes to be
  reasonable and which consider certain measures of business activities, such
  as employment, investments and sales. The costs allocated to the U.S. Steel
  Group primarily consist of employment costs including pension effects,
  professional services, facilities and other related costs associated with
  corporate activities.
 
  Common stock transactions--All financial statement impacts of purchases and
  issuances of Steel Stock after the change of USX common stock into Marathon
  Stock and the distribution of Steel Stock on May 6, 1991, are reflected in
  their entirety in the U.S. Steel Group financial statements. Financial
  statement impacts of treasury stock transactions occurring before May 7,
  1991, have been attributed to the two groups in relationship to their
  respective common equity. The initial dividend on the Steel Stock was paid
  on September 10, 1991. Dividends paid by USX prior to September 10, 1991,
  were attributed to the U.S. Steel Group and the Marathon Group based upon
  the relationship of the initial dividends on Steel Stock and Marathon
  Stock.
 
  Income taxes--All members of the USX affiliated group are included in the
  consolidated U.S. federal income tax return filed by USX. Accordingly, the
  provision for federal income taxes and the related payments or refunds of
  tax are determined on a consolidated basis. The financial statement
  provision and the related tax payments or refunds have been reflected in
  the U.S. Steel Group, the Marathon Group and the Delhi Group financial
  statements in accordance with USX's tax allocation policy for such groups.
  In general, such policy provides that the consolidated tax provision and
  related tax payments or refunds are allocated among the U.S. Steel Group,
  the Marathon Group and the Delhi Group for group financial statement
  purposes, based principally upon the financial income, taxable income,
  credits, preferences and other amounts directly related to the respective
  groups.
 
  For financial statement provision and tax settlement purposes, tax benefits
  resulting from attributes (principally net operating losses), which cannot
  be utilized by one of the three groups on a separate return basis but which
  can be utilized on a consolidated basis in that year or in a carryback
  year, are allocated to the group that generated the attributes. However, if
  such tax benefits cannot be utilized on a consolidated basis in that year
  or in a carryback year, the prior years' allocations of such consolidated
  tax effects are adjusted in a subsequent year to the extent necessary to
  allocate the tax benefits to the group that would have realized the tax
  benefits on a separate return basis.
 
  The allocated group amounts of taxes payable or refundable are not
  necessarily comparable to those that would have resulted if the groups had
  filed separate tax returns; however, such allocations should not result in
  any of the three groups paying more income taxes over time than it would if
  it filed separate tax returns and, in certain situations, could result in
  any of the three groups paying less income taxes.
 
  The 1993 U.S. income tax provision included a $15 million favorable effect
  associated with an increase in the federal income tax rate from 34% to 35%,
  reflecting remeasurement of deferred federal income tax assets as of
  January 1, 1993. This benefit was essentially offset by adjustments for
  prior years' Internal Revenue Service examinations and the establishment of
  valuation allowances for certain tax credits.
 
(c) Operating income included pension credits, which were primarily noncash,
    for each of the periods presented. The pension credits primarily reflect
    the investment performance of defined benefit plan assets. The expected
    long-term rate of return on plan assets, which is reflected in the
    calculation of net periodic pension credits, was reduced to 10% in 1993
    from 11% in 1992.
 
                                      S-29
<PAGE>
 
  The funded status of U.S. Steel Group pension plans as measured under
  Statement of Financial Accounting Standards No. 87 at December 31, 1993 and
  1992 was as follows:
 
<TABLE>
<CAPTION>
     IN MILLIONS                                                1993     1992
     -----------                                               -------  -------
     <S>                                                       <C>      <C>
     Plan assets at fair market value......................... $ 8,381  $ 8,588
     Projected benefit obligation (PBO).......................  (8,563)  (8,234)
                                                               -------  -------
       Assets in excess of (less than) PBO.................... $  (182) $   354
     Assumed discount rate....................................     6.5%     7.0%
</TABLE>
 
(d) Pretax income (loss) in 1993 included a $506 million charge related to the
    adverse decision in the Lower Lake Erie Iron Ore Antitrust Litigation
    against the B&LE. Charges of $342 million were included in operating costs
    and $164 million included in interest and other financial costs. The effect
    on net income (loss) was $325 million unfavorable ($5.04 per share of Steel
    Stock). At December 31, 1993, accounts payable included a $376 million
    accrual for this litigation. See "Business of the U.S. Steel Group--Legal
    Proceedings" herein.
 
(e) Beginning in 1993, the U.S. Steel Group was required by statute to make
    payments to a new multiemployer benefit plan for certain retired coal
    miners and their dependents and survivors, based on assigned beneficiaries.
    The present value of the U.S. Steel Group's obligation was previously
    estimated at $175 million; additional beneficiaries were assigned to the
    U.S. Steel Group during 1993, and this amount is therefore expected to
    increase. The U.S. Steel Group's payments under this plan are accounted for
    as participation in a multiemployer plan. Payments to multi employer plans
    were $9 million in 1993. Such payments are expected to increase to
    approximately $15 to $25 million in 1994 and subsequent years primarily
    reflecting additional assigned beneficiaries.
 
 
(f) In 1993, USX adopted Statement of Financial Accounting Standards No. 112,
    "Employers' Accounting for Postemployment Benefits" ("SFAS 112") which
    requires employers to recognize the obligation to provide postemployment
    benefits on an accrued basis if certain conditions are met. The unfavorable
    cumulative effect of the change in accounting principle was $69 million,
    net of $40 million income tax effect. The effect of the change in
    accounting on 1993 operating costs was $21 million unfavorable.
 
  In 1992, USX adopted SFAS 106 and SFAS 109. The cumulative effect of these
  changes in accounting principles decreased first quarter 1992 net income of
  the U.S. Steel Group by $1,159 million, net of $678 million income tax
  effect, for SFAS 106 and $176 million for SFAS 109.
 
(g) USX is the subject of, or a party to a number of pending or threatened
    legal actions, contingencies and commitments relating to the U.S. Steel
    Group involving a variety of matters, including laws and regulations
    relating to the environment. Certain of these matters are discussed below
    and in "Business of the U.S. Steel Group--Legal Proceedings" herein. The
    ultimate resolution of these contingencies could, individually or in the
    aggregate, be material to the U.S. Steel Group financial statements.
    However, management believes that USX will remain a viable and competitive
    enterprise, even though it is possible that these contingencies could be
    resolved unfavorably to the U.S. Steel Group. See "USX Corporation--
    Analysis of Selected Consolidated Financial Information--Liquidity and
    Capital Resources" herein.
 
  Legal proceedings--
 
  See "Business of the U.S. Steel Group--Legal Proceedings" herein for a
  discussion of the B&LE litigation, and the Energy Buyers litigation.
 
  In June 1990, following judgments entered on behalf of steel company
  plaintiffs in MDL-587, Armco Steel filed federal antitrust claims against
  the B&LE and other railroads in the Federal District Court for the District
  of Columbia. B&LE successfully challenged the actions for lack of
  jurisdiction and venue, and the case was transferred to the Federal
  District Court for the Northern District of Ohio. Other defendant railroads
  settled with Armco, leaving B&LE the only remaining defendant. On April 7,
  1993, B&LE's motion to dismiss the federal antitrust claims on grounds of
  statute of limitations was granted. Subsequently, Armco refiled its claims
  under the Ohio Valentine Act in the Butler County Court of
 
                                      S-30
<PAGE>
 
  Common Pleas. B&LE's motions for summary judgment on time bar issues and
  for change of venue to another Ohio county are pending, and not yet fully
  briefed. No discovery has been taken on the merits of Armco's claims, but
  if Armco survives the present and possibly further pre-trial motions and
  the case proceeds to trial on the merits, Armco's claimed damages are
  likely to be substantial. There is a dispute whether the Armco case was an
  excluded liability in the sale of USX's transportation units and whether
  USX is obligated to reimburse Transtar for a judgment in this case.
 
  Environmental matters--
 
  The U.S. Steel Group is subject to federal, state and local laws and
  regulations relating to the environment. These laws generally provide for
  control of pollutants released into the environment and require responsible
  parties to undertake remediation of hazardous waste disposal sites.
  Penalties may be imposed for noncompliance. The U.S. Steel Group provides
  for remediation costs and penalties when the responsibility to remediate is
  probable and the amount of associated costs is reasonably determinable.
  Accrued liabilities for remediation and mine reclamation totaled $151
  million and $142 million at December 31, 1993 and 1992, respectively. It is
  not presently possible to estimate the ultimate amount of all remediation
  costs that might be incurred or the penalties that may be imposed.
 
  For a number of years, U.S. Steel Group has made substantial capital
  expenditures to bring existing facilities into compliance with various laws
  relating to the environment. In 1993 and 1992, such capital expenditures
  for environmental controls totaled $53 million and $52 million,
  respectively. The U.S. Steel Group anticipates making additional such
  expenditures in the future; however, the exact amounts and timing of such
  expenditures are uncertain because of the continuing evolution of specific
  regulatory requirements.
 
  Guarantees--
 
  Guarantees by USX of the liabilities of affiliated entities of the U.S.
  Steel Group totaled $209 million at December 31, 1993, and $242 million at
  December 31, 1992. In the event that any defaults of guaranteed liabilities
  occur, USX has access to its interest in the assets of most of the
  affiliates to reduce losses resulting from these guarantees. As of December
  31, 1993, the largest guarantee for a single affiliate was $96 million.
 
  Commitments--
 
  At December 31, 1993, and December 31, 1992, contract commitments for
  capital expenditures for property, plant and equipment totaled $105 million
  and $63 million, respectively.
 
  USX has entered into a 15-year take-or-pay arrangement which requires the
  U.S. Steel Group to accept pulverized coal each month or pay a minimum
  monthly charge. In 1993, charges for deliveries of pulverized coal totaled
  $14 million (deliveries commenced in the first quarter of 1993). In the
  future, the U.S. Steel Group will be obligated to make minimum payments of
  approximately $16 million per year. If USX elects to terminate the contract
  early, a maximum termination payment of $126 million, which declines over
  the duration of the agreement, may be required.
 
  The U.S. Steel Group is a party to a transportation agreement with Transtar
  for Great Lakes shipments of raw materials required by the U.S. Steel
  Group. The agreement cannot be canceled until 1999 and requires the U.S.
  Steel Group to pay, at a minimum, Transtar's annual fixed costs related to
  the agreement, including lease/charter costs, depreciation of owned
  vessels, dry dock fees and other administrative costs. Total transportation
  costs under the agreement were $68 million in 1993 and $66 million in 1992,
  including fixed costs of $21 million in each year. The fixed costs are
  expected to continue at approximately the same level over the duration of
  the agreement.
 
(h) In 1993, USX sold 10,000,000 shares of Steel Stock to the public for net
    proceeds of $350 million. In 1992, USX sold 8,050,000 shares of Steel Stock
    to the public for net proceeds of $198 million.
 
                                      S-31
<PAGE>
 
  In 1993, USX also sold 6,900,000 shares of 6.50% Cumulative Convertible
  Preferred Stock (stated value of $1.00 per share; liquidation preference of
  $50.00 per share) ("6.50% Convertible Preferred") to the public for net
  proceeds of $336 million. The 6.50% Convertible Preferred is convertible at
  any time, at the option of the holder, into shares of Steel Stock at a
  conversion price of $46.125 per share of Steel Stock, subject to adjustment
  in certain circumstances. On and after April 1, 1996, this stock is
  redeemable, at USX's sole option, at a price of $52.275 per share, and
  thereafter at prices declining annually on each April 1 to an amount equal
  to $50.00 per share on and after April 1, 2003.
 
(i) The method of calculating net income (loss) per share for the Steel Stock,
    Marathon Stock and Delhi Stock reflects the Board's intent that the
    separately reported earnings and surplus of the U.S. Steel Group, the
    Marathon Group and the Delhi Group, as determined consistent with the
    Certificate of Incorporation, are available for payment of dividends to the
    respective classes of stock, although legally available funds and
    liquidation preferences of these classes of stock do not necessarily
    correspond with these amounts. The financial statements of the U.S. Steel
    Group, the Marathon Group and the Delhi Group, taken together, include all
    accounts which comprise the corresponding consolidated financial statements
    of USX.
 
  For purposes of computing per share data for periods prior to May 7, 1991,
  the numbers of shares of Steel Stock are assumed to be one-fifth of the
  corresponding numbers of shares of USX common stock.
 
                                      S-32
<PAGE>
 
                                U.S. STEEL GROUP
 
                   ANALYSIS OF SELECTED FINANCIAL INFORMATION
 
  The following analysis should be read in connection with the information
presented in the financial statements and related notes and "Management's
Discussion and Analysis" of the financial statements of each of the U.S. Steel
Group and USX in the USX Annual Report on Form 10-K for the year ended December
31, 1992, incorporated herein by reference. For a discussion of recent
developments for the U.S. Steel Group, see "Prospectus Summary--Recent
Developments" herein.
 
  Although the financial statements of the U.S. Steel Group, the Marathon Group
and the Delhi Group separately report the assets, liabilities (including
contingent liabilities) and stockholders' equity of USX attributed to each such
group, such attribution does not affect legal title to such assets or
responsibility for such liabilities. Holders of Steel Stock, Marathon Stock and
Delhi Stock are holders of common stock of USX and continue to be subject to
all of the risks associated with an investment in USX and all of its businesses
and liabilities. Financial impacts arising from the Marathon Group or the Delhi
Group which affect the overall cost of USX's capital could affect the results
of operations and financial condition of the U.S. Steel Group. In addition, net
losses of any Group, as well as dividends or distributions on any class of USX
common stock or series of Preferred Stock and repurchases of any class of USX
common stock or certain series of Preferred Stock, will reduce the legally
available funds of USX available for payment of dividends on the Steel Stock.
Accordingly, the USX consolidated financial information should be read in
connection with the financial information of the U.S. Steel Group. USX prepares
and provides consolidated financial statements, as well as financial statements
of the U.S. Steel Group, to the holders of Steel Stock.
 
  The Board intends to declare and pay dividends on the Steel Stock based on
the financial condition and results of operations of the U.S. Steel Group,
although it has no obligation under Delaware law to do so. Dividends on the
Steel Stock will be payable when, as and if declared by the Board out of the
lesser of (i) the Available Steel Dividend Amount and (ii) legally available
funds of USX.
 
  The accounting policies applicable to the preparation of the financial
statements of the U.S. Steel Group may be modified or rescinded in the sole
discretion of the Board, although the Board has no present intention to do so.
The Board may also adopt additional policies depending upon the circumstances.
In addition, generally accepted accounting principles require that any change
in accounting policy be preferable (in accordance with such principles) to the
policy previously established.
 
RESULTS OF OPERATIONS
 
 Years 1993, 1992 and 1991
 
  The U.S. Steel Group's sales increased by $693 million in 1993 from 1992
following an increase of $55 million in 1992 from 1991. The increase in 1993
primarily reflected an increase in steel shipment volumes of approximately 1.1
million tons, higher average steel prices and increased commercial shipments of
taconite pellets and coke. The increase in 1992 relative to 1991 was primarily
due to significantly higher commercial shipments of coke, improvements in steel
shipment volumes from ongoing operations and an improved shipment mix,
partially offset by the absence of sales of structural products due to the
closure of South Works early in 1992.
 
  Average realized steel prices improved $8 per ton in 1993 after virtually no
change in 1992.
 
  Steel shipments were just under 10 million tons in 1993, an increase of 1.1
million tons over 1992. Shipments in 1992 were basically flat with the 1991
level. U.S. Steel Group shipments comprised approximately 11% of the domestic
steel market in each of the three years. Exports accounted for 4% of U.S. Steel
Group shipments in 1993, compared with 7% in 1992 and 15% in 1991.
 
  Raw steel production was 11.3 million tons in 1993, compared with 10.4
million tons in 1992 and 10.5 million tons in 1991. Raw steel produced was
nearly 100% continuous cast in 1993, versus 83% in 1992 and
 
                                      S-33
<PAGE>
 
67% in 1991. U.S. Steel completed its continuous cast modernization program in
1992 with the start up of the Mon Valley Works continuous caster in August
1992. Raw steel production averaged 96% of capability in 1993 compared with 86%
of capability in 1992 and 70% of capability in 1991.
 
 
  The U.S. Steel Group reported an operating loss of $149 million in 1993
compared with operating losses of $241 million in 1992 and $617 million in
1991. The operating loss for 1993 included a $342 million charge as a result of
the adverse decision in the B&LE litigation (which also resulted in $164
million of interest costs). The 1993, 1992, and 1991 operating losses included
restructuring charges of $42 million, $10 million, and $402 million,
respectively, which are discussed below.
 
                            OPERATING INCOME (LOSS)
 
<TABLE>
<CAPTION>
                                                           1993   1992*  1991*
                                                           -----  -----  -----
                                                              (DOLLARS IN
                                                               MILLIONS)
     <S>                                                   <C>    <C>    <C>
     Steel and Related Businesses......................... $ 123  $(140) $(235)
     Other Businesses.....................................   (29)   (96)   (30)
     Other Administrative.................................   141      5     50
     B&LE litigation charge...............................  (342)   --     --
     Restructuring........................................   (42)   (10)  (402)
                                                           -----  -----  -----
            Total......................................... $(149) $(241) $(617)
</TABLE>
- --------
* Certain reclassifications have been made to conform to 1993 classifications.
 
  Steel and Related Businesses recorded operating income of $123 million in
1993 compared with a loss of $140 million in 1992 and a loss of $235 million in
1991. The improvement in 1993 over 1992 was predominantly due to higher steel
shipment volumes and prices, improved operating efficiencies and lower accruals
for environmental and legal contingencies. In addition, 1993 results benefitted
from a $39 million favorable effect from the utilization of funds from
previously established insurance reserves to pay for certain employee insurance
benefits. These positive factors were partially offset by higher hourly steel
labor costs, unfavorable effects associated with pension and other employee
benefits, lower results from coal operations and a $21 million increase in
operating costs related to the adoption of SFAS 112.
 
  The improvement in 1992 compared with 1991 was primarily due to savings from
cost reduction programs, higher utilization of raw steel and raw material
capability and the absence of costs incurred in 1991 due to the lack of an
early labor settlement with the USWA. These were partially offset by an
increase in postretirement benefit costs in connection with the adoption of
SFAS 106, higher depreciation charges and start-up costs for the Mon Valley
Works continuous caster.
 
  Other Businesses recorded an operating loss of $29 million in 1993, compared
with operating losses of $96 million in 1992 and $30 million in 1991. The
improvement in 1993 of $67 million and the decrease in 1992 of $66 million
primarily reflected a $28 million charge in 1992 resulting from market
valuation provisions for foreclosed real estate assets and higher provisions in
1992 for loan losses by USX Credit. Loan loss provisions were $11 million in
1993, $42 million in 1992 and $14 million in 1991. USX Credit is not actively
making new loan commitments. Excluding loan loss provisions, the balance of the
operating losses for Other Businesses during the three-year period was largely
due to the effect of depressed titanium markets on RMI's results.
 
  Other Administrative includes the portion of pension credits, postretirement
benefit costs and certain other expenses principally attributable to former
business units of the U.S. Steel Group as well as USX corporate general and
administrative costs allocated to the U.S. Steel Group. Operating income from
Other Administrative was $141 million in 1993 compared to $5 million in 1992
and $50 million in 1991. The 1993 increase resulted mainly from the absence of
a charge incurred in 1992 to cover the amount of the award in the Energy Buyers
litigation and a credit in 1993 due to settlement of all claims in the case.
See "Business of the U.S. Steel Group--Legal Proceedings" herein. The decrease
from 1991 to 1992 primarily reflected the
 
                                      S-34
<PAGE>
 
1992 charge related to the Energy Buyers litigation, partially offset by a
decrease in postretirement benefit costs charged to Other Administrative in
connection with the adoption of SFAS 106.
 
  The U.S. Steel Group's 1993 operating loss included restructuring charges of
$42 million related to the planned shutdown of the Maple Creek coal mine and
preparation plant. The 1992 loss included a charge of $10 million for
completion of the portion of the 1991 restructuring plan related to steel
facilities. The 1991 loss included $402 million of restructuring charges
primarily related to the closing of the iron and steel producing, slab and hot
strip mill and pipe mill facilities at Fairless Works; all facilities at South
Works; RMI's sodium and sponge production facilities; a previously idled plate
mill in Baytown, Texas; and miscellaneous other facilities.
 
  The U.S. Steel Group's 1993 operating income was reduced by a total of $21
million due to the adoption of SFAS 112. Operating income in 1992 compared to
1991 was reduced by a total of $42 million due to the adoption of SFAS 106.
 
  The pension credits referred to above, combined with pension costs for
ongoing operating units of the U.S. Steel Group, resulted in net pension
credits (which are primarily noncash) of $202 million, $231 million and $196
million in 1993, 1992 and 1991, respectively. The decrease in 1993 from 1992
was primarily due to a lower assumed long-term rate of return on plan assets.
The increase in 1992 from 1991 primarily reflected recognition of the 1991
growth in plan assets. In 1994, net pension credits are expected to decline by
approximately $60 to $70 million, primarily due to a further reduction in the
assumed long-term rate of return on plan assets. See footnote (c) to "U.S.
Steel Group--Selected Financial Information" herein.
 
  Other income was $210 million in 1993, compared with $5 million in 1992 and
$9 million in 1991. The increase in 1993 primarily resulted from higher gains
from the disposal of assets, including the sale of the Cumberland coal mine,
the realization of a $70 million deferred gain resulting from the collection of
a subordinated note related to the 1988 sale of Transtar (which also resulted
in $37 million of interest income) and the sale of an investment in an
insurance company. The decline in 1992 relative to 1991 primarily resulted from
the nonrecurrence of 1991's favorable minority interest effect related to RMI.
This was partially offset by reduced losses from equity affiliates.
 
  Interest and other financial income was $59 million in 1993. The 1993 amount
included $37 million of interest income resulting from collection of the
Transtar note. Excluding this item, interest and other financial income was $22
million in 1993, compared with $18 million in 1992 and $20 million in 1991.
 
  Interest and other financial costs were $330 million in 1993. The 1993 amount
included $164 million of interest expense related to the adverse decision in
the B&LE litigation. Excluding the effect of this item, interest and other
financial costs were $166 million in 1993, compared to $176 million in 1992 and
$168 million in 1991. The changes over the three-year period primarily
reflected differences in average debt levels.
 
  The total credit for estimated income taxes in 1993 was $41 million, compared
with credits of $123 million in 1992 and $249 million in 1991. The U.S. income
tax provision for 1993 included a $15 million favorable effect associated with
an increase in the federal income tax rate from 34% to 35%, reflecting
remeasurement of deferred federal income tax assets as of January 1, 1993. This
benefit was essentially offset by adjustments for prior years' Internal Revenue
Service examinations and the establishment of valuation allowances for certain
tax credits.
 
  The U.S. Steel Group generated a loss before cumulative effect of changes in
accounting principles of $169 million in 1993, compared with a loss of $271
million in 1992 and a loss of $507 million in 1991.
 
 
                                      S-35
<PAGE>
 
  The unfavorable cumulative effect of changes in accounting principles totaled
$69 million in 1993 and $1,335 million in 1992. The cumulative effect of
adopting SFAS 112, determined as of January 1, 1993, decreased 1993 income of
the U.S. Steel Group by $69 million, net of the income tax effect. The
immediate recognition of the transition obligation resulting from the adoption
of SFAS 106, measured as of January 1, 1992, decreased the U.S. Steel Group's
1992 income by $1,159 million, net of the income tax effect. The cumulative
effect of adopting SFAS 109, measured as of January 1, 1992, decreased 1992 net
income by $176 million. The adoption of SFAS No. 109 had no material effect on
the U.S. Steel Group's 1992 income tax expense.
 
  The U.S. Steel Group recorded a net loss of $238 million in 1993, compared
with a net loss of $1,606 million in 1992 and a net loss of $507 million in
1991.
 
  The domestic steel industry has been adversely affected by unfairly traded
imports. Steel imports to the United States accounted for an estimated 19% of
the domestic steel market during the first eleven months of 1993, and for an
estimated 23% and 24% in October and November, respectively. Steel imports to
the United States accounted for an estimated 17 to 18% of the domestic steel
market in 1992 and 1991. On March 31, 1992, Voluntary Restraint Agreements
restricting the level of steel imports to the United States expired, and in
June 1992, in conjunction with other domestic steel firms, USX filed a number
of antidumping and countervailing duty cases with the USDC and the ITC against
unfairly traded imported carbon flat rolled steel. Beginning in late 1992, as a
result of affirmative preliminary determinations by both the ITC and the USDC
in the vast majority of cases, provisional duties were imposed on the imported
steel products under investigation. On June 22, 1993, the USDC issued the final
determinations of subsidization in the countervailing duty cases and final
margins for sales at less than fair value in the antidumping cases.
 
  On July 27, 1993, the ITC issued affirmative determinations of material
injury to the domestic steel industry by reason of imports in cases
representing an estimated 51% of dollar value and 42% of the volume of all
flat-rolled carbon steel imports under investigation. Affirmative
determinations were found in cases relating to 37% of such volume of cold-
rolled steel, 92% of such volume of the higher value-added corrosion resistant
steel and 97% of such volume of plate steel. Negative determinations were found
in all cases related to hot-rolled steel, the largest import market.
 
  In those cases where negative determinations were made by the ITC,
provisional duties imposed on imports covered by the cases were removed and
final remedial duties were not imposed. While USX is unable to predict the
effect these negative determinations may have on the business or results of
operations of the U.S. Steel Group, they may result in increasing levels of
imported steel and may adversely affect some product prices. As discussed
above, steel imports to the United States have increased in recent months.
 
  Although the affirmative determinations are helpful in offsetting the harm to
the U.S. steel industry caused by subsidized and dumped imports, USX believes
that certain of the negative determinations were improper and, together with
other steel firms, has appealed such determinations to the U.S. Court of
International Trade and, in certain cases involving imports from Canada, to a
bi-national panel in accordance with the Canadian Free Trade Agreement. Several
of the affirmative determinations similarly have been challenged in appeals
filed by foreign steel producers.
 
  USX will file additional antidumping and countervailing duty petitions if
unfairly traded imports adversely impact, or threaten to adversely impact, the
results of the U.S. Steel Group.
 
  The U.S. Steel Group depreciates steel assets by modifying straight-line
depreciation based on the level of production. Depreciation charges for 1993
were 100% of straight-line depreciation based on production levels for the
year. Depreciation charges for 1992 and 1991 approximated 91% and 89% of the
amounts that would have been reported if production levels had not been
considered. In 1992, the U.S. Steel Group revised the modification factors used
in the depreciation of steel assets to reflect that raw steel production
capability is entirely continuous cast.
 
                                      S-36
<PAGE>
 
OUTLOOK FOR 1994
 
  Based on strong recent order levels and assuming a continuing recovery of the
domestic economy, the U.S. Steel Group anticipates that steel demand will
remain strong in 1994. The U.S. Steel Group believes that domestic industry
shipments will reach 89 to 90 million tons in 1994 as compared to approximately
88 million tons in 1993. Price increases on sheet products have been announced
effective January 2 and July 3, 1994. Price increases on certain other products
have also been announced. Realization of these price increases will be
dependent upon steel demand and the level of imports. As previously discussed,
steel imports to the United States have increased in recent months.
 
  On November 17, 1993, U.S. Steel reached a tentative agreement on a new five
and one-half year contract with the USWA covering approximately 15,000
employees. The agreement is subject to ratification by vote of the USWA
members, which should be completed by February 1, 1994 when the current labor
contract expires. U.S. Steel fully expects ratification by such time, but such
ratification cannot be guaranteed. Ratification of the agreement will result in
higher labor and benefit costs for the U.S. Steel Group each year throughout
the term of the agreement. The agreement includes a signing bonus of $1,000 per
USWA represented employee that will be paid in the first quarter of 1994, $500
of which represents the final bonus payable under the existing agreement.
Management believes that this agreement is competitive with labor agreements
reached by U.S. Steel's major domestic integrated competitors and thus does not
believe that U.S. Steel's competitive position with regard to such other
competitors will be materially affected by its ratification.
 
  Severe cold and extreme winter weather conditions disrupted operations and
caused forced utility curtailments at Gary Works, Mon Valley Works and Fairless
Works in January 1994. It is likely that these events will have some negative
effects on steel operations in the first quarter of 1994.
 
  Net pension credits for the U.S. Steel Group in 1994 are expected to decline
by approximately $60 to $70 million due primarily to a lower assumed long-term
rate of return on plan assets, as described above.
 
CASH FLOWS
 
  The U.S. Steel Group's net cash provided from operating activities in 1993
was $86 million compared with net cash used in operating activities of $89
million in 1992. The 1993 period was negatively affected by payments of $314
million related to partial settlement of the B&LE litigation and settlement of
the Energy Buyers litigation. Excluding these payments, net cash provided from
operating activities improved by $489 million in 1993. The increase primarily
reflected improved operations and a $103 million favorable effect from the use
of available funds from previously established (now depleted) insurance
reserves to pay for certain active and retired employee insurance benefits.
 
  The U.S. Steel Group's net cash used in operating activities in 1992 was $89
million compared to net cash generated of $9 million in 1991. The results
primarily reflected unfavorable changes in working capital accounts resulting
mainly from a lower settlement from the Marathon Group related to prior years'
income taxes in accordance with USX's group tax allocation policy, partially
offset by favorable effects due to changes in the amount of sold accounts
receivable.
 
  Capital expenditures totaled $198 million in 1993, compared with $298 million
in 1992 and $432 million in 1991. The year-to-year reductions over this period
primarily reflected the completion of U.S. Steel's continuous cast
modernization program, as the Gary Works caster was completed during 1991 and
the Mon Valley Works caster was completed in 1992. In addition to spending for
the continuous caster at Mon Valley Works, significant projects in 1992
included modernization of the hot strip mill and the electrogalvanizing line at
Gary Works. Contract commitments for capital expenditures at year-end 1993 were
$105 million, compared with $63 million at year-end 1992. Capital expenditures
in 1994 are expected to be approximately $260 million and will include
continued expenditures for projects begun in 1993 relative to environmental,
hot-strip mill and pickle line improvements at Gary Works and initial
expenditures for a blast furnace project at Mon Valley Works which is planned
for completion in 1995. Capital expenditures in 1995 and 1996 are currently
expected to remain at about the same level as in 1994.
 
                                      S-37
<PAGE>
 
  Cash from the disposal of assets totaled $291 million in 1993, compared with
$39 million in 1992 and $26 million in 1991. The 1993 amount primarily
reflected the realization of proceeds from a subordinated note related to the
1988 sale of Transtar and the sales of the Cumberland coal mine and investments
in an insurance company and a foreign manganese mining affiliate.
 
  Financial obligations decreased by $730 million in 1993, compared with an
increase of $203 million in 1992 and an increase of $502 million in 1991. The
decrease in 1993 primarily reflected the use of proceeds from the issuance of
common and preferred stock attributed to the U.S. Steel Group, asset sales and
net cash flows from operating activities of the U.S. Steel Group. These
financial obligations consist of the U.S. Steel Group's portion of USX debt
attributed to all three groups as well as debt and financing agreements
specifically attributed to the U.S. Steel Group.
 
  Preferred stock issued totaled $336 million in 1993. The 1993 amount was due
to the sale of 6,900,000 shares of 6.50% Convertible Preferred ($50.00
liquidation preference per share) to the public for net proceeds of $336
million which were reflected in their entirety in the U.S. Steel Group
financial statements. The 6.50% Convertible Preferred is convertible at any
time into shares of Steel Stock at a conversion price of $46.125 per share of
Steel Stock.
 
  Steel Stock issued totaled $366 million in 1993. The 1993 amount was mainly
due to the sale of 10,000,000 shares of Steel Stock to the public for net
proceeds of $350 million, which were reflected in their entirety in the U.S.
Steel Group financial statements. The increase in 1992 primarily reflected the
sale of 8,050,000 shares of Steel Stock to the public for net proceeds of $198
million, which were reflected in their entirety in the U.S. Steel Group
financial statements.
 
  Dividend payments increased in 1993 primarily as a result of higher dividends
due to the sale of additional shares of Steel Stock and of the 6.50%
Convertible Preferred mentioned above. Dividends attributed to the Steel Stock
prior to September 10, 1991 were based upon the relationship of the initial
dividends of the Steel Stock and the USX-Marathon Group Common Stock. The
annualized rate of dividends per share for the Steel Stock based on the most
recently declared quarterly dividend is $1.00.
 
  In September, 1993, Standard and Poor's Corporation ("S&P") lowered its
ratings on USX's and Marathon's senior debt to below investment grade (from
BBB- to BB+) and on USX's subordinated debt, preferred stock and commercial
paper. S&P cited extremely aggressive financial leverage, burdensome retiree
medical liabilities and litigation contingencies. In October, 1993, Moody's
Investors Service, Inc. ("Moody's") confirmed its Baa3 investment grade ratings
on USX's and Marathon's senior debt. Moody's also confirmed its ratings on
USX's subordinated debt and commercial paper, but lowered its ratings on USX's
preferred stock from ba1 to ba2. Moody's noted that the rating confirmation on
USX debt securities reflected confidence in the expected performance of USX
during the intermediate term, while the downward revision of the preferred
stock ratings incorporated a narrow fixed charge coverage going forward. The
downgrades by S&P and the downgrade of ratings on preferred stock by Moody's
could increase USX's cost of capital. As described in footnote (b) "Corporate
Activities" to U.S. Steel Group--Selected Financial Information" herein, USX
manages most financial activities on a centralized consolidated basis. A
portion of USX's total debt that is not specifically attributed to a specific
Group is attributed to the U.S. Steel Group. Net interest expense thereon is
charged to the U.S. Steel Group based on the weighted average rate of the net
interest expense applicable to USX's total debt that is not specifically
attributed to a Group. Consequently, any increase in USX's cost of capital as a
result of the downgrades would increase the interest and other financial costs
of the U.S. Steel Group.
 
  As a result of the settlement of LTV's portion of the B&LE litigation, USX is
obligated to pay an additional $175 million to LTV in the first quarter of
1994. In addition, approximately $210 million in judgments for other MDL-587
plaintiffs are due for payment in the first quarter of 1994. See "Business of
the U.S. Steel Group--Legal Proceedings" herein.
 
 
                                      S-38
<PAGE>
 
  USX anticipates that it will begin funding the U.S. Steel Group's pension
plan for approximately $100 million per year commencing with the 1994 plan
year. The funding for both the 1994 and 1995 plan years will impact cash flows
in 1995.
 
ENVIRONMENTAL MATTERS, CONTINGENCIES AND COMMITMENTS
 
  The U.S. Steel Group has incurred and will continue to incur substantial
capital, operating and maintenance, and remediation expenditures as a result of
environmental laws and regulations. In recent years, these expenditures have
been mainly for process changes in order to meet CAA obligations, although
ongoing compliance costs have also been significant. To the extent these
expenditures, as with all costs, are not ultimately reflected in the prices of
the U.S. Steel Group's products and services, operating results will be
adversely affected. The U.S. Steel Group believes that all of its domestic
competitors are subject to similar environmental laws and regulations. However,
the specific impact on each competitor may vary depending on a number of
factors, including the age and location of their operating facilities and their
production methods.
 
  The U.S. Steel Group's environmental expenditures for 1993 and 1992 are
discussed below and have been estimated based on USDC survey guidelines. These
guidelines are subject to differing interpretations which could affect the
comparability of such data. Some environmental related expenditures, while
benefitting the environment, also enhance operating efficiencies.
 
  Total environmental expenditures for the U.S. Steel Group in 1993 were $240
million compared with $220 million in 1992. These amounts consisted of capital
expenditures of $53 million in 1993 and $52 million in 1992 and estimated
compliance expenditures (including operating and maintenance) of $187 million
in 1993 and $168 million in 1992. Compliance expenditures were broadly
estimated based on USDC survey guidelines and represented 3% of the U.S. Steel
Group's total operating costs in both 1993 and 1992.
 
  USX has been notified that it is a PRP at 41 waste sites related to the U.S.
Steel Group under CERCLA as of December 31, 1993. In addition, there are 28
sites related to the U.S. Steel Group where USX has received information
requests or other indications that USX may be a PRP under CERCLA but where
sufficient information is not presently available to confirm the existence of
liability or make any judgment as to the amount thereof. There are also 10
additional sites related to the U.S. Steel Group where state governmental
agencies or private parties are seeking remediation under state environmental
laws through discussions or litigation. Total environmental expenditures
included remediation related expenditures estimated at $19 million in 1993 and
$11 million in 1992. The U.S. Steel Group accrues for environmental remediation
costs when the responsibility to remediate is probable and the amount of
associated costs is reasonably determinable. At most of these sites, USX is one
of a number of PRPs and the total cost of remediation, as well as USX's share
thereof, is frequently dependent upon the outcome of investigation and remedial
studies. As environmental remediation matters proceed toward ultimate
resolution and additional remediation matters come to management's attention,
charges in excess of those previously accrued may be required.
 
  New or expanded requirements for environmental regulations, which could
increase the U.S. Steel Group's environmental costs, may arise in the future.
USX intends to comply with all legal requirements regarding the environment,
but since many of them are not fixed or presently determinable (even under
existing legislation) and may be affected by future legislation, it is not
possible to accurately predict the ultimate cost of compliance, including
remediation costs which may be incurred and penalties which may be imposed.
However, based on presently available information, and existing laws and
regulations as currently implemented, the U.S. Steel Group does not anticipate
that environmental compliance expenditures will materially increase in 1994.
The U.S. Steel Group's capital expenditures for environmental controls are
expected to be approximately $70 million in 1994, including the expected
completion of major air quality projects at Gary Works. Predictions beyond 1994
can only be broad-based estimates which have varied, and will continue to vary,
due to the ongoing evolution of specific regulatory requirements, the possible
imposition
 
                                      S-39
<PAGE>
 
of more stringent requirements and the availability of new technologies, among
other matters. Based upon currently identified projects, the U.S. Steel Group
anticipates that environmental capital expenditures will be approximately $25
million in 1995; however, actual expenditures may increase as additional
projects are identified or additional requirements are imposed.
 
  USX is the subject of, or party to, a number of pending or threatened legal
actions, contingencies and commitments relating to the U.S. Steel Group
involving a variety of matters, including laws and regulations relating to the
environment. See "Business of the U.S. Steel Group--Legal Proceedings" herein
for a discussion of certain of these matters. The ultimate resolution of these
contingencies could, individually or in the aggregate, be material to the U.S.
Steel Group financial statements. However, management believes that USX will
remain a viable and competitive enterprise even though it is possible that
these contingencies could be resolved unfavorably to the U.S. Steel Group. See
"USX Corporation--Analysis of Selected Consolidated Financial Information--
Liquidity and Capital Resources" herein.
 
ACCOUNTING STANDARD
 
  Statement of Financial Accounting Standards No. 114--Accounting by Creditors
for Impairment of a Loan ("SFAS 114") requires impairment of loans based on
either the sum of discounted cash flows or the fair value of underlying
collateral. USX expects to adopt SFAS 114 in the first quarter of 1995. Based
on preliminary estimates, USX expects that the unfavorable effect of adopting
SFAS 114 for the U.S. Steel Group will be less than $2 million.
 
                                      S-40
<PAGE>
 
                                USX CORPORATION
                  SELECTED CONSOLIDATED FINANCIAL INFORMATION
 
  The following selected consolidated financial information has been derived
from the consolidated financial statements of USX for each of the five years in
the period ended December 31, 1993. The information set forth below should be
read in connection with the USX consolidated financial statements and notes
thereto and accompanying "Management's Discussion and Analysis" contained in
the USX Annual Report on Form 10-K for the year ended December 31, 1992,
incorporated herein by reference. The data for the year ended December 31,
1993, have been derived from unaudited financial statements which, in the
opinion of management, reflect all adjustments necessary to a fair statement of
results for the periods covered. All such adjustments are of a normal recurring
nature except as described herein.
 
<TABLE>
<CAPTION>
                                         YEAR ENDED DECEMBER 31,
                               ------------------------------------------------
                                 1993      1992      1991      1990      1989
                               --------  --------  --------  --------  --------
                               (DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)
<S>                            <C>       <C>       <C>       <C>       <C>
STATEMENT OF OPERATIONS
 DATA:(A)
 Sales.......................   $18,064   $17,813   $18,825   $20,659   $18,717
 Operating income (loss)(b)..        56        70      (259)    1,556     1,570
 Operating costs include:
  Depreciation, depletion
   and amortization..........     1,077     1,091     1,128     1,304     1,336
  Inventory market valuation
   charges (credits).........       241       (62)      260      (140)     (145)
  Restructuring charges......        42       125       426       --        --
  B&LE litigation charge(c)..       342       --        --        --        --
 Other income (loss).........       257        (2)       39        37       406
 Other income (loss)
  includes:
  Gain on disposal of
   assets....................       253        24        30         7       370
 Total income (loss) before
  income taxes and cumulative
  effect of changes in
  accounting
  principles(b)(c)...........      (239)     (189)     (691)    1,216     1,358
 Total income (loss) before
  cumulative effect of
  changes in accounting
  principles.................      (167)     (160)     (578)      818       965
 Net income (loss) before
  preferred dividends........  $   (259)  $(1,826) $   (578) $    818  $    965
 Dividends on preferred
  stock......................       (27)       (9)       (9)      (18)      (58)
                               --------  --------  --------  --------  --------
 Net income (loss) applicable
  to common stocks(d)(e).....  $   (286)  $(1,835) $   (587) $    800  $    907
                               ========  ========  ========  ========  ========
BALANCE SHEET DATA (AT PERIOD
 END):(A)(F)
 Cash and cash equivalents...  $    268  $     57  $    279  $    263  $    786
 Working capital(c)(g).......      (154)     (370)     (215)      351       273
 Capital expenditures........     1,151     1,505     1,392     1,391     1,429
 Property, plant and
  equipment--net.............    11,603    11,759    11,593    11,584    11,995
 Total assets................    17,320    17,252    17,039    17,268    17,500
 Capitalization:
 Notes payable...............  $      1  $     47  $     79  $    138  $     16
 Total long-term debt(h).....     5,923     6,302     6,438     5,527     5,875
 Total proceeds from
  production agreements......       --        --         17       142       327
 Minority interest...........         5        16        37        67       --
 Stockholders' equity(i)(k)..     3,864     3,709     4,987     5,869     5,737
                               --------  --------  --------  --------  --------
   Total capitalization......  $  9,793   $10,074   $11,558   $11,743   $11,955
                               ========  ========  ========  ========  ========
</TABLE>
 
                                      S-41
<PAGE>
 
<TABLE>
<CAPTION>
                                         YEAR ENDED DECEMBER 31,
                              -------------------------------------------------
                                1993      1992       1991       1990     1989
                              --------  ---------  ---------  -------- --------
                               (DOLLARS IN MILLIONS, EXCEPT PER SHARE DATA)
<S>                           <C>       <C>        <C>        <C>      <C>
COMMON SHARE DATA--STEEL
 STOCK:(J)
 Total income (loss) before
  cumulative effect of
  changes in accounting
  principles................. $   (190) $    (274) $    (509) $    306 $    523
 Per share--primary..........    (2.96)     (4.92)    (10.00)     6.00    10.17
     --fully diluted.........    (2.96)     (4.92)    (10.00)     5.83     9.93
 Net income (loss):..........     (259)    (1,609)      (509)      306      523
 Per share--primary..........    (4.04)    (28.85)    (10.00)     6.00    10.17
     --fully diluted.........    (4.04)    (28.85)    (10.00)     5.83     9.93
 Dividends paid per share....     1.00       1.00        .94       .88      .88
 Book value per share at
  period end.................     8.32       3.72      32.68     43.59    38.50
COMMON SHARE DATA--MARATHON
 STOCK:(J)
 Total income (loss) before
  cumulative effect of
  changes in accounting
  principles................. $    (12) $     103  $     (78) $    494 $    384
 Per share--primary..........     (.04)       .37       (.31)     1.94     1.49
     --fully diluted.........     (.04)       .37       (.31)     1.92     1.49
 Net income (loss):..........      (35)      (228)       (78)      494      384
 Per share--primary..........     (.12)      (.80)      (.31)     1.94     1.49
     --fully diluted.........     (.12)      (.80)      (.31)     1.92     1.49
 Dividends paid per share....      .68       1.22       1.31      1.22     1.22
 Book value per share at
  period end.................    10.58      11.37      12.45     13.92    13.25
COMMON SHARE DATA--DELHI
 STOCK(J)(K)
 Net income.................. $      8        --
 --Per share: primary &
  fully diluted..............      .86        --
 Dividends paid per share....      .20  $     .05
 Book value per share at
  period end.................    14.50      13.83
</TABLE>
 
  The footnotes below and on the following three pages are an integral part of
                               this information.
- --------
(a) USX follows the successful efforts method of accounting for oil and gas
    exploration and development.
 
(b) Pretax income in 1992 included a settlement of a production tax refund
    claim for the years 1982 through 1985. The refund resulted in a credit to
    operating income of $119 million as well as interest income of $177
    million.
 
(c) Pretax income (loss) in 1993 included a $506 million charge related to the
    adverse decision in the Lower Lake Erie Iron Ore Antitrust Litigation
    against the B&LE. Charges of $342 million were included in operating costs
    and $164 million included in interest and other financial costs. The effect
    on net income (loss) was $325 million unfavorable ($5.04 per share of Steel
    Stock). See "Business of the U.S. Steel Group--Legal Proceedings" herein.
 
(d) The provision for estimated U.S. and foreign income taxes for the periods
    reported is based on tax rates and amounts which recognize management's
    best estimate of current and deferred tax assets and liabilities. The 1993
    U.S. income tax provision included a credit of $64 million related to
    recognition of additional future U.S. income tax benefits for deferred
    foreign income taxes. This favorable adjustment results from USX's ability
    to elect to credit, rather than deduct, foreign income taxes for U.S.
    federal income tax purposes in future periods and reflects expected
    improvement in Marathon's international production. The U.S. income tax
    provision for 1993 also included a $29 million charge associated with an
    increase in the federal income tax rate from 34% to 35%, reflecting
    remeasurement of deferred federal income tax liabilities as of January 1,
    1993.
 
(e) In 1993, USX adopted SFAS 112 which requires employers to recognize the
    obligation to provide post- employment benefits on an accrual basis if
    certain conditions are met. The unfavorable cumulative effect of the change
    in accounting principle determined, as of January 1, 1993, was $86 million,
    net of $50 million income tax effect. The effect of the change in
    accounting on 1993 operating costs was $23 million unfavorable.
 
 
                                      S-42
<PAGE>
 
  In 1993, USX also adopted Emerging Issues Task Force Consensus No. 93-14,
  "Accounting for Multiple-Year Retrospectively Rated Insurance Contracts"
  ("EITF 93-14"). EITF 93-14 requires accrual of retrospective premium
  adjustments when the insured has an obligation to pay cash to the insurer
  that would have not been required absent experience under the contract. The
  unfavorable cumulative effect of the change in accounting principle
  determined as of January 1, 1993, totaled $6 million, net of $3 million
  income tax effect.
 
  In 1992, USX adopted SFAS 106 and SFAS 109. The cumulative effect of these
  changes in accounting principles decreased first quarter 1992 net income by
  $1,306 million, net of $764 million income taxes, for SFAS 106; and $360
  million for SFAS 109.
 
(f) USX is the subject of, or party to, a number of pending or threatened legal
    actions, contingencies and commitments involving a variety of matters,
    including laws and regulations relating to the environment. Certain of
    these matters are discussed below and in "Business of the U.S. Steel
    Group--Legal Proceedings" herein. The ultimate resolution of these
    contingencies could, individually or in the aggregate, be material to the
    consolidated financial statements. However, management believes that USX
    will remain a viable and competitive enterprise even though it is possible
    that these contingencies could be resolved unfavorably. See "USX
    Corporation--Analysis of Selected Consolidated Financial Information--
    Liquidity and Capital Resources" herein.
 
  Legal proceedings--
 
  See "Business of the U.S. Steel Group--Legal Proceedings" herein for a
  discussion of the B&LE litigation and the Energy Buyers litigation.
 
  In June 1990, following judgments entered on behalf of steel company
  plaintiffs in MDL-587, Armco Steel filed federal antitrust claims against
  the B&LE and other railroads in the Federal District Court for the District
  of Columbia. B&LE successfully challenged the actions for lack of
  jurisdiction and venue, and the case was transferred to the Federal
  District Court for the Northern District of Ohio. Other defendant railroads
  settled with Armco, leaving B&LE the only remaining defendant. On April 7,
  1993, B&LE's motion to dismiss the federal antitrust claims on grounds of
  statute of limitations was granted. Subsequently, Armco refiled its claims
  under the Ohio Valentine Act in the Butler County Court of Common Pleas.
  B&LE's motions for summary judgment on time bar issues and for change of
  venue to another Ohio county are pending, and not yet fully briefed. No
  discovery has been taken on the merits of Armco's claims, but if Armco
  survives the present and possibly further pre-trial motions and the case
  proceeds to trial on the merits, Armco's claimed damages are likely to be
  substantial. There is a dispute whether the Armco case was an excluded
  liability in the sale of USX's transportation units and whether USX is
  obligated to reimburse Transtar for a judgment in this case.
 
  Environmental matters--
 
  USX is subject to federal, state, local and foreign laws and regulations
  relating to the environment. These laws generally provide for control of
  pollutants released into the environment and require responsible parties to
  undertake remediation of waste disposal sites. Penalties may be imposed for
  noncompliance. USX provides for remediation costs and penalties when the
  responsibility to remediate is probable and the amount of associated costs
  is reasonably determinable. At December 31, 1993 and December 31, 1992,
  accrued liabilities for remediation, platform abandonment and mine
  reclamation totaled $312 million and $280 million, respectively. It is not
  presently possible to estimate the ultimate amount of all remediation costs
  that might be incurred or the penalties that may be imposed.
 
  For a number of years, USX has made substantial capital expenditures to
  bring existing facilities into compliance with various laws relating to the
  environment. In 1993 and 1992, such capital expenditures for environmental
  controls totaled $181 million and $294 million, respectively. USX
  anticipates making additional such expenditures in the future; however, the
  exact amounts and timing of such expenditures are uncertain because of the
  continuing evolution of specific regulatory requirements.
 
                                      S-43
<PAGE>
 
  Libyan operations--
 
  By reason of Executive Orders and related regulations under which the U.S.
  Government is continuing economic sanctions against Libya, Marathon was
  required to discontinue performing its Libyan petroleum contracts on June
  30, 1986. In June 1989, the Department of the Treasury authorized Marathon
  to resume performing under those contracts. Pursuant to that authorization,
  Marathon has engaged the Libyan National Oil Company and the Secretary of
  Petroleum in continuing negotiations to determine when and on what basis
  they are willing to allow Marathon to resume realizing revenue from
  Marathon's investment of $108 million in Libya. Marathon is uncertain when
  these negotiations can be completed or how the negotiations will be
  affected by the United Nations' sanctions against Libya.
 
  Guarantees--
 
  Guarantees by USX of the liabilities of affiliated and other entities
  totaled $227 million at December 31, 1993. In the event that any defaults
  of guaranteed liabilities occur, USX has access to its interest in the
  assets of most of the affiliates to reduce losses resulting from these
  guarantees. As at December 31, 1993, the largest guarantee for a single
  affiliate was $96 million.
 
  At December 31, 1993, Marathon's pro rata share of obligations of LOOP INC.
  and various pipeline affiliates secured by throughput and deficiency
  agreements totaled $206 million. Under the agreements, Marathon is required
  to advance funds if the affiliates are unable to service debt. Any such
  advances are prepayments of future transportation charges.
 
  Commitments--
 
  At December 31, 1993, and December 31, 1992, contract commitments for
  capital expenditures for property, plant and equipment totaled $389 million
  and $423 million, respectively.
 
(g) USX has entered into agreements to sell certain accounts receivable subject
    to limited recourse. Payments are collected from the sold accounts
    receivable; the collections are reinvested in new accounts receivable for
    the buyers; and a yield based on defined short-term market rates is
    transferred to the buyers. At December 31, 1993, the balance of sold
    accounts receivable that had not been collected was $740 million. Buyers
    have collection rights to recover payments from an amount of outstanding
    receivables equal to 120% of the outstanding receivables purchased on a
    nonrecourse basis; such overcollateralization cannot exceed $150 million.
    In the event of a change in control of USX, as defined in the agreements,
    USX may be required to forward all payments collected on sold accounts
    receivable to the buyers.
 
  Prior to 1993, USX Credit, a Division of USX, sold certain of its loans
  receivable subject to limited recourse. USX Credit continues to collect
  payments from the loans and transfer to the buyers principal collected plus
  yield based on defined short-term market rates. At December 31, 1993, the
  balance of sold loans receivable subject to recourse was $205 million. At
  December 31, 1993, USX Credit had outstanding loan commitments of $29
  million. USX Credit is not actively making new loan commitments. In the
  event of a change in control of USX, as defined in the agreement, USX may
  be required to provide cash collateral in the amount of the uncollected
  loans receivable to assure compliance with the limited recourse provisions.
 
(h) At December 31, 1993, USX had outstanding borrowings of $500 million
    against credit agreements, leaving $1,675 million of available unused
    committed credit lines. In addition, USX had $185 million of available
    unused short-term lines of credit, which generally require maintenance of
    compensating balances. At December 31, 1993, certain long-term debt due
    within one year of $699 million was included in long-term debt, since
    unused long-term credit agreements of $1,500 million were available for
    refinancing if needed.
 
(i) In 1993, USX sold 10,000,000 shares of Steel Stock to the public for net
    proceeds of $350 million. In 1992, USX sold 8,050,000 shares of Steel Stock
    to the public for net proceeds of $198 million and 25,000,000 shares of
    Marathon Stock to the public for net proceeds of $541 million.
 
                                      S-44
<PAGE>
 
  In 1993, USX also sold 6,900,000 shares of 6.50% Convertible Preferred
  (stated value of $1.00 per share; liquidation preference of $50.00 per
  share) to the public for net proceeds of $336 million. The 6.50%
  Convertible Preferred is convertible at any time, at the option of the
  holder, into shares of Steel Stock at a conversion price of $46.125 per
  share of Steel Stock, subject to adjustment in certain circumstances. On
  and after April 1, 1996, this stock is redeemable, at USX's sole option, at
  a price of $52.275 per share, and thereafter at prices declining annually
  on each April 1 to an amount equal to $50.00 per share on and after April
  1, 2003.
 
(j) Common share data is presented for Steel Stock and Marathon Stock to
    reflect the distribution of Steel Stock and change of USX common stock into
    Marathon Stock effective at the close of business on May 6, 1991. For
    purposes of computing per share data for periods prior to May 7, 1991, the
    numbers of shares of Marathon Stock are assumed to be the same as the
    corresponding numbers of shares of USX common stock, while the numbers of
    shares of Steel Stock are assumed to be one-fifth of the corresponding
    numbers of shares of USX common stock. The initial dividends on the Steel
    Stock and the Marathon Stock were paid on September 10, 1991. Dividends
    paid prior to that date were attributed to the U.S. Steel Group and the
    Marathon Group based upon the relationship of the initial dividends on the
    Steel Stock and the Marathon Stock.
 
  The method of calculating net income (loss) per share for the Marathon
  Stock, Steel Stock and Delhi Stock reflects the Board's intent that the
  separately reported earnings and surplus of the Marathon Group, the U.S.
  Steel Group and the Delhi Group, as determined consistent with the
  Certificate of Incorporation, are available for payment of dividends to the
  respective classes of stock, although legally available funds and
  liquidation preferences of these classes of stock do not necessarily
  correspond with these amounts. The financial statements of the Marathon
  Group, the U.S. Steel Group and the Delhi Group, taken together, include
  all accounts which comprise the corresponding consolidated financial
  statements of USX.
 
(k) On October 2, 1992, USX sold 9,000,000 shares of Delhi Stock in its initial
    public offering for net proceeds of $136 million. Net income and dividends
    per share applicable to outstanding Delhi Stock are presented for the
    periods subsequent to October 2, 1992.
 
                                      S-45
<PAGE>
 
                                USX CORPORATION
 
            ANALYSIS OF SELECTED CONSOLIDATED FINANCIAL INFORMATION
 
  The following analysis is a condensation of, and should be read in connection
with, the information presented in the financial statements and related notes
and Management's Discussion and Analysis of each of the U.S. Steel Group, the
Marathon Group, the Delhi Group and USX in the USX Annual Report on Form 10-K
for the year ended December 31, 1992, incorporated herein by reference.
Historical amounts relating to the businesses comprising the Delhi Group are
included in the data presented for the Marathon Group for periods prior to
October 2, 1992.
 
RESULTS OF OPERATIONS
 
                                     SALES
 
<TABLE>
<CAPTION>
                                                            YEAR ENDED
                                                           DECEMBER 31,
                                                      -------------------------
                                                       1993     1992     1991
                                                      -------  -------  -------
                                                            (MILLIONS)
   <S>                                                <C>      <C>      <C>
   Marathon Group.................................... $11,962  $12,782  $13,975
   U.S. Steel Group..................................   5,612    4,919    4,864
   Delhi Group.......................................     535      458      423
   Eliminations......................................     (45)    (346)    (437)
                                                      -------  -------  -------
     Total USX....................................... $18,064  $17,813  $18,825
                                                      =======  =======  =======
</TABLE>
 
  Sales were $18.1 billion in 1993, compared with $17.8 billion in 1992 and
$18.8 billion in 1991. The increase in 1993 primarily reflected increased sales
for the U.S. Steel Group due mainly to higher steel shipment volumes and
prices, and increased commercial shipments of taconite pellets and coke. These
were partially offset by lower sales for the Marathon Group (excluding the
effect of the businesses of the Delhi Group which were included in the Marathon
Group for periods prior to October 2, 1992) due mainly to lower worldwide
liquid hydrocarbon volumes and prices and lower average refined product prices,
partially offset by increased excise taxes and higher refined product sales
volumes (excluding matching buy/sell transactions). The decrease from 1991 to
1992 primarily reflected reduced sales for the Marathon Group due mainly to
lower average refined product prices, reduced volumes and prices for crude oil
matching buy/sell transactions (which have no effect on income) and lower
worldwide liquid hydrocarbon volumes.
 
                            OPERATING INCOME (LOSS)
 
<TABLE>
<CAPTION>
                                                               YEAR ENDED
                                                              DECEMBER 31,
                                                            -------------------
                                                            1993   1992   1991
                                                            -----  -----  -----
                                                               (MILLIONS)
   <S>                                                      <C>    <C>    <C>
   Marathon Group.......................................... $ 169  $ 304  $ 358
   U.S. Steel Group........................................  (149)  (241)  (617)
   Delhi Group.............................................    36     33     31
   Eliminations............................................   --     (26)   (31)
                                                            -----  -----  -----
     Total USX............................................. $  56  $  70  $(259)
                                                            =====  =====  =====
</TABLE>
 
  Operating income decreased by $14 million in 1993, following a $329 million
improvement in 1992. Results in 1993 included a $342 million charge as a result
of the adverse decision in the B&LE litigation (which also resulted in $164
million of interest costs), a $241 million unfavorable noncash effect resulting
from an increase in the inventory market valuation reserve and restructuring
charges of $42 million related
 
                                      S-46
<PAGE>
 
to the planned shutdown of the Maple Creek coal mine and preparation plant.
Results in 1992 included a favorable impact of $119 million for the settlement
of a tax refund claim related to prior years' production taxes and a $62
million favorable noncash effect resulting from a decrease in the inventory
market valuation reserve, partially offset by restructuring charges of $125
million primarily related to the disposition of certain domestic exploration
and production properties. Excluding the effects of these items, operating
income increased $667 million in 1993 predominantly due to improved results in
the U.S. Steel Group, as well as the Marathon Group. The adoption of SFAS 112
resulted in a $23 million increase in operating costs in 1993, principally in
the U.S. Steel Group.
 
  Operating income in 1991 included restructuring charges of $426 million
mainly related to the closure of certain steel facilities and a $260 million
unfavorable noncash effect resulting from an increase in the inventory market
valuation reserve, partially offset by a favorable $20 million adjustment of
prior years' production tax accruals. Excluding the effects of these items and
the 1992 special items previously discussed, operating income declined $393
million from 1991 to 1992 due mainly to lower results in the Marathon Group.
Contributing to the decline was a $58 million increase in operating costs
resulting from the 1992 adoption of SFAS 106, $42 million in the U.S. Steel
Group and $16 million in the Marathon Group.
 
  Net pension credits included in operating income totaled $211 million in
1993, compared with $260 million in 1992 and $224 million in 1991. The decrease
in 1993 was primarily due to a lower assumed long-term rate of return on plan
assets. The increase in 1992 from 1991 primarily reflected recognition of the
growth in plan assets. In 1994, net pension credits are expected to decline by
approximately $80 to $90 million primarily due to a further reduction in the
assumed long-term rate of return on plan assets.
 
  Other income was $257 million in 1993, compared with a loss of $2 million in
1992 and income of $39 million in 1991. The increase in 1993 primarily resulted
from higher gains from the disposal of assets, including the sale of the
Cumberland coal mine, the realization of a $70 million deferred gain resulting
from the collection of a subordinated note related to the 1988 sale of Transtar
(which also resulted in $37 million of interest income) and the sale of an
investment in an insurance company. The increase in 1993 also reflected the
absence of a $19 million impairment of an investment recorded in 1992. The
decline in 1992 relative to 1991 primarily resulted from the nonrecurrence of
1991's favorable minority interest effect related to RMI and the $19 million
impairment of an investment in 1992.
 
  Interest and other financial income was $78 million in 1993, compared with
$228 million in 1992 and $38 million in 1991. The 1993 amount included $37
million of interest income resulting from collection of the Transtar note. The
1992 amount included $177 million of interest income resulting from the
settlement of a tax refund claim related to prior years' production taxes.
Excluding these items, interest and other financial income was $41 million in
1993, compared with $51 million in 1992 and $38 million in 1991.
 
  Interest and other financial costs were $630 million in 1993, compared with
$485 million in 1992 and $509 million in 1991. The 1993 amount included $164
million of interest expense related to the adverse decision in the B&LE
litigation. Excluding this amount, the decrease in 1993 primarily reflected an
increase in capitalized interest. The 1991 amount included a $26 million
favorable adjustment related to interest accrued for prior years' production
taxes. Excluding this item, the decrease from 1991 to 1992 was mainly due to
the favorable effect of declining variable interest rates.
 
  The net credit for estimated income taxes in 1993 was $72 million, compared
with credits of $29 million in 1992 and $113 million in 1991. The 1993 U.S.
income tax provision included a credit of $64 million related to recognition of
additional future U.S. income tax benefits for deferred foreign income taxes.
This favorable adjustment results from USX's ability to elect to credit, rather
than deduct, certain foreign income taxes for
 
                                      S-47
<PAGE>
 
U.S. federal income tax purposes in future periods. The anticipated use of the
U.S. foreign tax credit reflects Marathon's improving international production
profile including income which will be generated by the East Brae platform in
the United Kingdom sector of the North Sea. The U.S. income tax provision for
1993 also included a $29 million charge associated with an increase in the
federal income tax rate from 34% to 35% reflecting remeasurement of deferred
federal income tax liabilities as of January 1, 1993.
 
  The total loss before cumulative effect of changes in accounting principles
was $167 million in 1993, compared with a loss of $160 million in 1992 and a
loss of $578 million in 1991.
 
  The unfavorable cumulative effect of changes in accounting principles
totaled $92 million in 1993 and $1,666 million in 1992. The cumulative effect
of adopting SFAS 112, determined as of January 1, 1993, decreased 1993 income
by $86 million, net of the income tax effect. The cumulative effect of
adopting EITF 93-14, determined as of January 1, 1993, decreased 1993 income
by $6 million, net of the income tax effect. The immediate recognition of the
transition obligation resulting from the adoption of SFAS 106, measured as of
January 1, 1992, decreased 1992 income by $1,306 million, net of the income
tax effect. The cumulative effect of adopting SFAS 109, measured as of January
1, 1992, decreased 1992 net income by $360 million.
 
  USX recorded a net loss of $259 million in 1993, compared with a net loss of
$1,826 million in 1992 and a net loss of $578 million in 1991.
 
OPERATING RESULTS BY GROUP
 
 U.S. Steel Group
 
  See "U.S. Steel Group--Analysis of Selected Financial Information" herein
for a discussion of the operating results of this group.
 
 Marathon Group
 
  The Marathon Group had operating income of $169 million in 1993, compared
with $304 million in 1992 and $358 million in 1991. Results for 1993 and 1991
were adversely affected, while 1992 was favorably impacted, by special items.
Results included a $241 million unfavorable effect in 1993, a $62 million
favorable effect in 1992 and a $260 million unfavorable effect in 1991 from
noncash adjustments to the inventory market valuation reserve. The 1992
results also included a favorable impact of $119 million for the settlement of
a tax refund claim related to prior years' production taxes, partially offset
by a $115 million restructuring charge related to the disposition of certain
domestic exploration and production properties. The 1991 results also included
a $24 million restructuring charge, partially offset by a favorable $20
million adjustment of prior years' production tax accruals. Excluding the
effects of these special items, operating income was $410 million in 1993,
$238 million in 1992 and $622 million in 1991. The increase in 1993 primarily
reflected increased average refined product margins and increased domestic
natural gas prices, partially offset by lower worldwide liquid hydrocarbon
prices and volumes. The decrease in 1992 predominantly reflected lower average
refined product margins, as well as reduced worldwide liquid hydrocarbon
prices and volumes and a decrease in international natural gas prices.
 
 
                                     S-48
<PAGE>
 
                            OPERATING INCOME (LOSS)
 
<TABLE>
<CAPTION>
                                                       1993     1992*    1991*
                                                      -------  -------  -------
                                                       (DOLLARS IN MILLIONS)
<S>                                                   <C>      <C>      <C>
Exploration and Production ("Upstream")
  Domestic........................................... $   117  $  123   $   104
  International......................................     (37)     49       156
                                                      -------  ------   -------
    Total Exploration & Production...................      80     172       260
Refining, Marketing and Transportation
 ("Downstream")......................................     407     128       422
Gas Gathering and Processing.........................      --      21        30
Other Administrative.................................     (77)    (83)      (90)
Special Items........................................    (241)     66      (264)
                                                      -------  ------   -------
    Total............................................ $   169  $  304   $   358
                                                      =======  ======   =======
</TABLE>
- --------
* Certain reclassifications have been made to conform to 1993 classifications.
 
  Gas Gathering and Processing results decreased in 1993 due to the exclusion
of the businesses now in the Delhi Group.
 
                       AVERAGE VOLUMES AND SELLING PRICES
 
<TABLE>
<CAPTION>
                                                   1993       1992       1991
                                                ---------- ---------- ----------
                                                 (THOUSANDS OF BARRELS PER DAY)
<S>                                             <C>        <C>        <C>
Net Liquids Production*--U.S. .................        111        118        127
- --International................................         45         56         68
                                                ---------- ---------- ----------
- --Total Consolidated                                   156        174        195
<CAPTION>
                                                (MILLIONS OF CUBIC FEET PER DAY)
<S>                                             <C>        <C>        <C>
Net Natural Gas Production--U.S. ..............        529        593        689
- --International................................        373        338        336
                                                ---------- ---------- ----------
- --Total Consolidated                                   902        931      1,025
<CAPTION>
                                                      (DOLLARS PER BARREL)
<S>                                             <C>        <C>        <C>
Liquid Hydrocarbons*--U.S. ....................     $14.54     $16.47     $17.43
- --International................................      16.22      18.95      19.38
<CAPTION>
                                                       (DOLLARS PER MCF)
<S>                                             <C>        <C>        <C>
Natural Gas--U.S. .............................      $1.94      $1.60      $1.57
- --International................................       1.52       1.77       2.18
</TABLE>
- --------
* Includes Crude Oil, Condensate and Natural Gas Liquids.
 
  Upstream operating income decreased $92 million in 1993, following an $88
million decrease in 1992. Operating income in 1992 included a $20 million gain
recognized as a result of a settlement of a natural gas contract. Excluding
this settlement, the decline in 1993 was mainly due to significant decreases in
worldwide liquid hydrocarbon prices and volumes and lower international natural
gas prices, partially offset by increased domestic natural gas prices. The
decline in 1992, excluding this contract settlement, was also primarily caused
by decreases in worldwide liquid hydrocarbon prices and volumes and lower
international natural gas prices, partially offset by ongoing cost reduction
efforts.
 
  Domestic upstream operating income in 1993 declined $6 million from 1992,
following a $19 million increase in 1992 from 1991. Excluding the previously
mentioned contract settlement, the 14% increase in 1993 was primarily due to
increased natural gas prices and reduced dry well expenses, partially offset by
reduced liquid hydrocarbon prices and volumes. In addition, operating income in
1993 reflected ongoing cost reduction efforts and reduced depletion expenses.
The results in 1992, excluding the previously mentioned contract settlement,
remained level with 1991, as ongoing cost reduction efforts and reduced
exploration expenses were offset by lower liquid hydrocarbon prices.
 
 
                                      S-49
<PAGE>
 
  International upstream operating income declined $86 million in 1993,
following a $107 million decline in 1992. Natural gas prices have declined 30%
since 1991, primarily reflecting changes in contract sales prices in Norway.
The decrease in 1993 is primarily due to lower liquid hydrocarbon prices,
reduced liftings primarily from the United Kingdom sector of the North Sea as a
result of natural production declines, lower natural gas prices, and a $17
million charge for the relinquishment of the Marathon Group's interest in the
Arzanah Oil Field, Abu Dhabi. This decrease was partially offset by reduced
pipeline and terminal expenses and reduced dry well expenses. The decrease in
1992 was primarily due to lower natural gas prices, lower liquid hydrocarbon
liftings and increased dry well expenses.
 
  In December 1993, the East Brae field in the U.K. North Sea was brought
onstream. East Brae liquids production is expected to peak at 40,000 net
barrels per day in the fourth quarter of 1994. Worldwide liquid volumes are
expected to increase approximately 15% in 1994, reflecting a full year of East
Brae production, which should continue to contribute to increased volumes in
1995. Worldwide natural gas volumes are expected to increase approximately 5%
in 1994, reflecting the start of Brae area gas sales in October 1994. The 1995
volumes are expected to continue to increase reflecting a full year of Brae
area production.
 
  In 1992, Marathon and its partners finalized and delivered a feasibility
study to the Russian Government assessing the technical and economic viability
of developing fields offshore Sakhalin Island. After positive review by the
State Expertise Commission in 1993, negotiations to sign a production sharing
contract are currently being held among the Russian Government and
representatives of the consortium.
 
  Downstream operating income increased $279 million in 1993, after decreasing
$294 million in 1992. The increase in 1993 is primarily due to increased
average refined product margins from refining and wholesale marketing which
nearly doubled since 1992 as a result of decreased crude oil costs and lower
maintenance costs for refinery turnaround activities, partially offset by
decreased average refined product prices. Also contributing to the increase in
operating income were record margins in both refined products and convenience
store merchandise experienced by Emro Marketing Company, a Marathon subsidiary.
Downstream operating income in 1993 also included a $17 million charge for
future environmental remediation. The decrease in 1992 was chiefly the result
of lower average refined product margins which were adversely impacted as
declines in refined product sales prices exceeded decreases in raw material
costs. Results in 1992 were also negatively affected by increased maintenance
costs as a result of refinery turnaround activities.
 
  Other Administrative expenses were $77 million in 1993, compared to $83
million in 1992 and $90 million in 1991. These costs include the portion of the
Marathon Group's administrative costs not allocated to the individual business
components and the portion of USX corporate general and administrative costs
allocated to the Marathon Group.
 
  The outlook regarding prices and costs for the Marathon Group's principal
products is largely dependent upon world market developments for crude oil and
refined products. Market conditions in the petroleum industry are cyclical and
subject to global economics and events such as the 1993 OPEC accord, winter oil
and natural gas consumption and resumption of Iraqi production.
 
 Delhi Group
 
  Operating income was $36 million in 1993, compared with $33 million in 1992
and $31 million in 1991. Operating income in 1993 included favorable effects of
$2 million for the reversal of a prior-period accrual related to a natural gas
contract settlement, $1 million related to gas imbalance settlements and a net
$1 million for a refund of prior years' taxes other than income taxes.
Operating income in 1992 included favorable effects totaling $2 million
relating to the settlement of various lawsuits and third-party disputes.
Excluding the effects of these items, 1993 operating income improved by $1
million, primarily as a result of higher gas sales margins and lower operating
and other expenses, partially offset by a 34% decline in gas processing margins
from the sale of natural gas liquids ("NGLs"). Operating income in 1991
included
 
                                      S-50
<PAGE>
 
$8 million due to the favorable settlements of certain contractual issues.
Excluding the effects of the settlements in 1992 and 1991, the improvement in
1992 operating income was primarily due to increased NGLs volumes from gas
processing, higher natural gas systems throughput volumes and lower operating
and other expenses. These favorable items were partially offset by lower unit
margins for NGLs.
 
LIQUIDITY AND CAPITAL RESOURCES
 
  Net cash provided from operating activities totaled $944 million in 1993,
compared with $920 million in 1992. The 1993 period was negatively affected by
payments of $314 million related to partial settlement of the B&LE litigation
and settlement of the Energy Buyers litigation. The 1992 period included $296
million associated with the refund of prior years' production taxes. Excluding
these items, net cash provided from operating activities improved $634 million
from 1992. The increase primarily reflected improved operations for the U.S.
Steel Group, improved refined product margins for the Marathon Group and a $103
million favorable effect from the use of available funds from previously
established (now depleted) insurance reserves to pay for certain active and
retired employee insurance benefits.
 
  Excluding the 1992 refund discussed above, net cash provided from operating
activities in 1992 declined $399 million from 1991 primarily due to lower
income, partially offset by favorable changes in working capital accounts.
 
  Capital expenditures were $1,151 million in 1993, compared with $1,505
million in 1992 and $1,392 million in 1991. The $354 million decrease in 1993
was due primarily to lower expenditures for the Marathon Group and the U.S.
Steel Group. The decline for the Marathon Group mainly reflected decreased
expenditures for environmental projects and for development of the East Brae
Field and SAGE system in the United Kingdom and other international projects,
partially offset by increased exploration and development projects in the Gulf
of Mexico and increased drilling activity for onshore domestic natural gas
projects. The decrease for the U.S. Steel Group primarily reflected completion
of U.S. Steel's continuous cast modernization program in 1992. Contract
commitments for capital expenditures at year-end 1993 were $389 million,
compared with $423 million at year-end 1992. For the year 1994, capital
expenditures are expected to total approximately $1.1 billion. The slight
anticipated decrease in 1994 is expected to result mainly from lower
expenditures for the Marathon Group, partially offset by higher expenditures
for the U.S. Steel Group. The Marathon Group's capital expenditures are
expected to decrease by approximately $100 million in 1994 mainly reflecting
lower expenditures for development of the East Brae Field and SAGE system. The
U.S. Steel Group's capital expenditures are expected to increase by
approximately $60 million in 1994 and will include continued expenditures for
projects begun in 1993 relative to environmental, hot-strip mill and pickle
line improvements at Gary Works and initial expenditures for a blast furnace
project at Mon Valley Works which is planned for completion in 1995.
 
  Cash from the disposal of assets was $469 million in 1993, compared with $117
million in 1992 and $78 million in 1991. The 1993 amount primarily reflected
the realization of proceeds from a subordinated note related to the 1988 sale
of Transtar, the sale of the Cumberland coal mine, the sale/leaseback of
interests in two LNG tankers, and the sales of various domestic oil and gas
production properties and of an investment in an insurance company. No
individually significant sales transactions occurred in 1992 or 1991.
 
  Financial obligations decreased by $458 million in 1993, compared with a
decrease of $240 million in 1992 and an increase of $662 million in 1991. These
amounts represent net cash flows on commercial paper and the revolving credit
agreements and lines of credit, other debt and production financing and other
agreements. During 1993, USX issued an aggregate principal amount of $800
million of fixed rate debt through its medium-term note program and three
separate series of unsecured, noncallable debt securities in the public market.
Maturities ranged from 5 to 30 years and interest rates ranged from 6 3/8% to 8
1/2% per annum. In addition, an aggregate principal amount of $77 million of
Marathon 9 1/2% Guaranteed Notes Due 1994 was tendered in exchange for its
Monthly Interest Guaranteed Notes Due 2002, 9 3/4% to March 1, 1994 and 7%
thereafter. During 1992, USX issued an aggregate principal amount of $748
million of fixed
 
                                      S-51
<PAGE>
 
rate debt through its medium-term note program and three separate series of
unsecured, noncallable debt securities in the public market. Maturities ranged
from 5 to 30 years and interest rates ranged from 6.65% to 9.375% per annum.
During 1991, debt borrowings included the issuance of three separate series of
unsecured, noncallable debt securities in the public market in the aggregate
principal amount of $550 million and a $300 million loan to Marathon Oil U.K.,
Ltd. from the European Investment Bank.
 
  Preferred stock issued totaled $336 million in 1993. The 1993 amount
reflected the sale of 6,900,000 shares of 6.50% Convertible Preferred ($50.00
liquidation preference per share) to the public for net proceeds of $336
million. The 6.50% Convertible Preferred is convertible at any time into shares
of Steel Stock at a conversion price of $46.125 per share of Steel Stock.
 
  Common stock issued, net of repurchases, totaled $371 million in 1993,
compared with $942 million in 1992 and $70 million in 1991. The 1993 amount
mainly reflected the sale of 10,000,000 shares of Steel Stock to the public for
net proceeds of $350 million. The increase in 1992 primarily reflected sales to
the public of all three classes of common stock. In 1992, USX sold 25,000,000
shares of Marathon Stock for net proceeds of $541 million, 8,050,000 shares of
Steel Stock for net proceeds of $198 million and 9,000,000 shares of USX-Delhi
Group Common Stock for net proceeds of $136 million.
 
  Dividend payments decreased in 1993 primarily due to a decrease in the
dividend rate on Marathon Stock in the fourth quarter of 1992, partially offset
by increased dividends due primarily to the sale in 1993 of additional shares
of Steel Stock and of the 6.50% Convertible Preferred mentioned above. The
increase in 1992 from 1991 primarily resulted from higher dividends due to the
sale of additional shares of all three classes of common stock in 1992,
partially offset by the fourth quarter decrease in the dividend rate on
Marathon Stock.
 
  In September 1993, S&P lowered its ratings on USX's and Marathon's senior
debt to below investment grade (from BBB- to BB+) and on USX's subordinated
debt, preferred stock and commercial paper. S&P cited extremely aggressive
financial leverage, burdensome retiree medical liabilities and litigation
contingencies. In October 1993, Moody's confirmed its Baa3 investment grade
ratings on USX's and Marathon's senior debt. Moody's also confirmed its ratings
on USX's subordinated debt and commercial paper, but lowered its ratings on
USX's preferred stock from ba1 to ba2. Moody's noted that the rating
confirmation on USX debt securities reflected confidence in the expected
performance of USX during the intermediate term, while the downward revision of
the preferred stock ratings incorporated a narrow fixed charge coverage going
forward. The downgrades by S&P and the downgrade of ratings on preferred stock
by Moody's could increase USX's cost of capital. As described in footnote (b)
"Corporate Activities" to U.S. Steel Group--Selected Financial Information"
herein, USX manages most financial activities on a centralized consolidated
basis. A portion of USX's total debt that is not specifically attributed to a
specific Group is attributed to the U.S. Steel Group. Net interest expense
thereon is charged to the U.S. Steel Group based on the weighted average rate
of the net interest expense applicable to USX's total debt that is not
specifically attributed to a Group. Consequently, any increase in USX's cost of
capital as a result of the downgrades would increase the interest and other
financial costs of the U.S. Steel Group.
 
  In December 1993, USX filed a universal shelf registration statement with the
Securities and Exchange Commission which became effective on January 6, 1994
and allows USX to offer and issue up to $850 million of debt and equity
securities. The equity securities include preferred stock as well as each class
of USX's common stock, including the shares in this offering.
 
  As a result of the settlement of LTV's portion of the B&LE litigation, USX is
obligated to pay an additional $175 million to LTV in the first quarter of
1994. In addition, approximately $210 million in judgments for other MDL-587
plaintiffs are due for payment in the first quarter of 1994. See "Business of
the U.S. Steel Group--Legal Proceedings" herein.
 
  USX anticipates that it will begin funding the U.S. Steel Group's pension
plan by approximately $100 million per year commencing with the 1994 plan year.
The funding for both the 1994 and 1995 plan years will impact cash flows in
1995.
 
 
                                      S-52
<PAGE>
 
  USX believes that its short-term and long-term liquidity is adequate to
satisfy its obligations (including those related to the B&LE litigation) as of
December 31, 1993, and to complete currently authorized capital spending
programs. USX actively used its access to capital markets during 1993 to meet
its business needs beyond internally generated funds. Future requirements for
its business needs, including the funding of capital expenditures, debt
maturities for the years 1994 to 1996 and amounts which may ultimately be paid
in connection with contingencies are expected to be financed by a combination
of internally generated funds, proceeds from the sale of stock, future
borrowings and other external financing sources. Long-term debt of $734 million
matures within one year, including $699 million classified as long-term debt at
December 31, 1993. The $699 million represents the Marathon 9 1/2% Guaranteed
Notes Due March 1, 1994. See footnote (h) to "USX Corporation--Selected
Consolidated Financial Information" herein.
 
ENVIRONMENTAL MATTERS, LITIGATION AND CONTINGENCIES
 
  USX has incurred and will continue to incur substantial capital, operating
and maintenance, and remediation expenditures as a result of environmental laws
and regulations. In recent years, these expenditures have increased primarily
due to required product reformulation and process changes in order to meet CAA
obligations, although ongoing compliance costs have also been significant. To
the extent these expenditures, as with all costs, are not ultimately reflected
in the prices of USX's products and services, operating results will be
adversely affected. USX believes that domestic competitors of the U.S. Steel
Group and substantially all the competitors of the Marathon Group and the Delhi
Group are subject to similar environmental laws and regulations. However, the
specific impact on each competitor may vary depending on a number of factors,
including the age and location of their operating facilities and their
production processes and whether or not they are engaged in the petrochemical
business.
 
  USX's environmental expenditures for 1993 and 1992 are discussed below and
have been estimated for the Marathon Group and the Delhi Group based on
American Petroleum Institute ("API") survey guidelines and for the U.S. Steel
Group based on USDC survey guidelines. These guidelines are subject to
differing interpretations which could affect the comparability of such data.
Some environmental related expenditures, while benefitting the environment,
also enhance operating efficiencies.
 
  The Marathon Group's total environmental expenditures in 1993 were $253
million compared with $370 million in 1992. These amounts consisted of capital
expenditures of $123 million in 1993 and $240 million in 1992 and estimated
compliance expenditures (including operating and maintenance) of $130 million
in both 1993 and 1992. Compliance expenditures were broadly estimated based on
API survey guidelines and represented 1% of the Marathon Group's total
operating costs in both 1993 and 1992. The decline in environmental capital
expenditures from 1992 to 1993 primarily reflected the Marathon Group's multi-
year capital spending program for diesel fuel desulfurization which was
substantially completed in 1993.
 
  The U.S. Steel Group's total environmental expenditures in 1993 were $240
million compared with $220 million in 1992. These amounts consisted of capital
expenditures of $53 million in 1993 and $52 million in 1992 and estimated
compliance expenditures (including operating and maintenance) of $187 million
in 1993 and $168 million in 1992. Compliance expenditures were broadly
estimated based on USDC survey guidelines and represented 3% of the U.S. Steel
Group's total operating costs in both 1993 and 1992.
 
  The Delhi Group's total environmental expenditures in 1993 were $10 million
compared with $8 million in 1992. These amounts consisted of capital
expenditures of $5 million in 1993 and $3 million in 1992 and estimated
compliance expenditures (including operating and maintenance) of $5 million in
both 1993 and 1992. Compliance expenditures were broadly estimated based on API
survey guidelines and represented 1% of the Delhi Group's total operating costs
in both 1993 and 1992.
 
  USX's environmental capital expenditures totaled $181 million in 1993, $294
million in 1992 and $175 million in 1991. Such expenditures accounted for 16%,
20% and 13% of total consolidated capital expenditures in 1993, 1992 and 1991,
respectively. USX expects such expenditures to approximate $150 million in 1994
or approximately 13% of total estimated consolidated capital expenditures. The
increase
 
                                      S-53
<PAGE>
 
from 1991 to 1992 and the decline in 1993 was primarily the result of
Marathon's multi-year capital program for diesel desulfurization which was
substantially completed in 1993. Predictions beyond 1994 can only be broad-
based estimates which have varied, and will continue to vary, due to the
ongoing evolution of specific regulatory requirements, the possible imposition
of more stringent requirements and the availability of new technologies, among
other matters. Based upon currently identified projects, USX anticipates that
environmental capital expenditures in 1995 will total approximately $90
million; however, actual expenditures may increase as additional projects are
identified or additional requirements are imposed.
 
  USX has been notified that it is a PRP at 55 waste sites under CERCLA as of
December 31, 1993. In addition, there are 50 sites where USX has received
information requests or other indications that USX may be a PRP under CERCLA
but where sufficient information is not presently available to confirm the
existence of liability or make any judgment as to the amount thereof. There are
also 62 additional sites, excluding retail gasoline stations, where state
governmental agencies or private parties are seeking remediation under state
environmental laws through discussions or litigation. Total environmental
expenditures for the Marathon Group included remediation related expenditures
estimated at $38 million in 1993 and $35 million in 1992. Remediation spending
was primarily related to retail gasoline stations which incur ongoing clean-up
costs for soil and groundwater contamination associated with underground
storage tanks and piping. Total environmental expenditures for the U.S. Steel
Group included remediation related expenditures estimated at $19 million in
1993 and $11 million in 1992. Remediation related expenditures for the Delhi
Group were not material. USX accrues for environmental remediation activities
when the responsibility to remediate is probable and the amount of associated
costs is reasonably determinable. At most of these sites, USX is one of a
number of PRPs and the total cost of remediation, as well as USX's share
thereof, is frequently dependent upon the outcome of investigations and
remedial studies. As environmental remediation matters proceed toward ultimate
resolution and additional remediation matters come to management's attention,
charges in excess of those previously accrued may be required.
 
  New or expanded requirements for environmental regulations, which could
increase USX's environmental costs, may arise in the future. USX intends to
comply with all legal requirements regarding the environment, but since many of
them are not fixed or presently determinable (even under existing legislation)
and may be affected by future legislation, it is not possible to accurately
predict the ultimate cost of compliance, including remediation costs which may
be incurred and penalties which may be imposed. However, based on presently
available information, and existing laws and regulations as currently
implemented, management does not anticipate that environmental compliance
expenditures will materially increase in 1994. As discussed above,
environmental capital expenditures are currently expected to decrease in 1994
and again in 1995.
 
  USX is the subject of, or party to, a number of pending or threatened legal
actions, contingencies and commitments involving a variety of matters,
including laws and regulations relating to the environment. Certain of these
matters are discussed under "Business of the U.S. Steel Group--Legal
Proceedings" herein and in footnote (f) to "USX Corporation--Selected
Consolidated Financial Information" herein. The ultimate resolution of these
contingencies could, individually or in the aggregate, be material to the
consolidated financial statements. However, management believes that USX will
remain a viable and competitive enterprise even though it is possible that
these contingencies could be resolved unfavorably. See "USX Corporation--
Analysis of Selected Consolidated Financial Information--Liquidity and Capital
Resources" herein.
 
ACCOUNTING STANDARD
 
  SFAS 114 requires impairment of loans based on either the sum of discounted
cash flows or the fair value of underlying collateral. USX expects to adopt
SFAS 114 in the first quarter of 1995. Based on preliminary estimates, USX
expects that the unfavorable effect of adopting SFAS 114 will be less than $2
million.
 
 
                                      S-54
<PAGE>
 
      CERTAIN UNITED STATES TAX CONSEQUENCES TO NON-UNITED STATES HOLDERS
 
  The following is a discussion of certain anticipated United States income and
estate tax consequences of the ownership and disposition of the Steel Stock
applicable to Non-United States Holders of such Steel Stock. For the purpose of
this discussion, a "Non-United States Holder" is any corporation, individual,
partnership, estate or trust that is, as to the United States, a foreign
corporation, a non-resident alien individual, a foreign partnership or a
foreign estate or trust as such terms are defined in the U.S. Internal Revenue
Code of 1986, as amended (the "Code"). This discussion does not deal with all
aspects of United States income and estate taxation and does not deal with
foreign, state and local tax consequences that may be relevant to Non-United
States Holders in light of their personal circumstances. Furthermore, the
following discussion is based on current provisions of the Code and
administrative and judicial interpretations as of the date hereof, all of which
are subject to change. Prospective foreign investors are urged to consult their
tax advisors regarding the United States federal, state, local and non-United
States income and other tax consequences of owning and disposing of Steel
Stock.
 
  An individual may, subject to certain exceptions, be deemed to be a resident
alien (as opposed to a non-resident alien) by virtue of being present in the
United States on at least 31 days in the calendar year and for an aggregate of
at least 183 days during a three-year period ending in the current calendar
year (counting for such purposes all of the days present in the current year,
one-third of the days present in the immediately preceding year, and one-sixth
of the days present in the second preceding year). Resident aliens are subject
to U.S. federal tax as if they were U.S. citizens.
 
DIVIDENDS
 
  Generally, any dividend paid to a Non-United States Holder of Steel Stock
will be subject to United States withholding tax at a rate of 30% of the gross
amount of the dividend, or at a lesser applicable treaty rate. Dividends
received by a Non-United States Holder that are effectively connected with a
United States trade or business conducted by such Non-United States Holder are
exempt from such withholding tax. However, such effectively connected
dividends, net of certain deductions and credits, are taxed at the same
graduated rates applicable to United States persons.
 
  In addition to the graduated tax described above, dividends received by a
corporate Non-United States Holder that are effectively connected with a United
States trade or business of the corporate Non-United States Holder may also be
subject to a branch profits tax at a rate of 30% or at a lesser applicable
treaty rate.
 
  Under current United States Treasury regulations, dividends paid to an
address outside the United States are presumed to be paid to a resident of such
country for purposes of the withholding discussed above and, under the current
interpretation of United States Treasury regulations, for purposes of
determining the applicability of a tax treaty rate. However, under proposed
United States Treasury regulations not currently in effect, a Non-United States
Holder of Steel Stock who wishes to claim the benefit of an applicable treaty
rate would be required to satisfy applicable certification and other
requirements. A Non-United States Holder may claim exemption from withholding
under the effectively connected income exception by filing Form 4224 (Statement
Claiming Exemption from Withholding of Tax on Income Effectively Connected With
the Conduct of Business in the United States) with USX or its paying agent.
 
  A Non-United States Holder of Steel Stock eligible for a reduced rate of
United States withholding tax pursuant to a tax treaty may obtain a refund of
any excess amounts currently withheld by filing an appropriate claim for refund
with the United States Internal Revenue Service ("IRS").
 
                                      S-55
<PAGE>
 
SALE OF STEEL STOCK
 
  A Non-United States Holder generally will not be subject to United States
federal income tax on any gain realized upon the sale or other disposition of
his Steel Stock unless (i) such gain is effectively connected with a United
States trade or business of the Non-United States Holder, (ii) the Non-United
States Holder is an individual who is present in the United States for a
period or periods aggregating 183 days or more during the calendar year in
which such sale occurs and certain other conditions are met or (iii) USX is or
has been a "United States real property holding corporation" for federal
income tax purposes.
 
  USX has not determined whether it is a "United States real property holding
corporation" for federal income tax purposes. If USX is or becomes a "United
States real property holding corporation," so long as the Steel Stock
continues to be regularly traded on an established securities market, only a
Non-United States Holder who holds or held (during the five year period
preceding such disposition) more than 5% of the Steel Stock will be subject to
federal income tax on the sale or other disposition of such stock.
 
BACKUP WITHHOLDING AND INFORMATION REPORTING
 
  Under Treasury regulations, USX must report annually to the IRS and to each
Non-United States Holder the amount of dividends paid to such holder and the
tax withheld with respect to such dividends. These information reporting
requirements apply even if withholding was not required because the dividends
were effectively connected with a United States trade or business of the Non-
United States Holder or withholding was reduced or eliminated by an applicable
treaty. Copies of the information returns reporting such dividends and
withholding may also be made available to the tax authorities in the country
in which the Non-United States Holder resides under the provisions of an
applicable income tax treaty.
 
  Payments of dividends to a Non-United States Holder at an address outside
the United States will generally not be subject to information reporting and
backup withholding. The payment of the proceeds of the disposition of Steel
Stock to or through the United States office of a broker is subject to
information reporting and backup withholding at a rate of 31% unless the owner
certifies its non-United States status under penalties or perjury or otherwise
establishes an exemption. The payment of the proceeds of the disposition by a
Non-United States Holder of Steel Stock to or through a foreign office of a
broker will not be subject to backup withholding unless the broker is (a) a
United States person, (b) a United States controlled foreign corporation or
(c) a foreign person 50% or more of whose gross income is effectively
connected with a United States trade or business. Moreover, in the case of
foreign offices of such brokers, information reporting will apply to such
payments of proceeds unless such broker has documentary evidence in its files
of the owner's foreign status and does not have actual knowledge to the
contrary.
 
  Any amounts withheld under the backup withholding rules will be allowed as a
refund or a credit against such holder's United States federal income tax
liability provided the required information is furnished to the IRS.
 
ESTATE TAX
 
  Steel Stock owned, or treated as owned, by a nonresident alien individual at
the time of his death will be included in such holder's gross estate for
United States federal estate tax purposes, unless an applicable estate tax
treaty provides otherwise.
 
                                     S-56
<PAGE>
 
                                THE UNDERWRITER
 
  Under the terms and subject to the conditions contained in an Underwriting
Agreement dated the date hereof, Morgan Stanley & Co. Incorporated (the
"Underwriter") has agreed to purchase, and the Corporation has agreed to sell
to the Underwriter, 4,500,000 shares of Steel Stock.
 
  The Underwriting Agreement provides that the obligation of the Underwriter to
pay for and accept delivery of the Steel Stock is subject to the approval of
certain legal matters by its counsel and to certain other conditions. The
Underwriter is obligated to take and pay for all the Steel Stock if any is
taken.
 
  The Underwriter proposes to offer part of the Steel Stock directly to the
public at the public offering price set forth on the cover page hereof and part
to certain dealers at a price that represents a concession not in excess of
$.41 per share.
 
  The Corporation has granted to the Underwriter an option, exercisable for 30
days from the date of this Prospectus, to purchase up to an additional 500,000
shares of Steel Stock at the public offering price set forth on the cover page
hereof, less underwriting discounts and commissions. The Underwriter may
exercise such option solely for the purpose of covering over-allotments, if
any, incurred in the sale of the Steel Stock.
 
  The Underwriter has represented and agreed that (i) it has not offered or
sold, and will not offer or sell, in the United Kingdom, by means of any
document, any shares of the Steel Stock other than to
persons whose ordinary business it is to buy or sell shares or debentures,
whether as principal or agent (except under circumstances which do not
constitute an offer to the public within the meaning of the Companies Act
1985); (ii) it has complied and will comply with all applicable provisions of
the Financial Services Act 1986 with respect to anything done by it in relation
to the Steel Stock in, from or otherwise involving the United Kingdom; and
(iii) it has only issued or passed on, and will only issue and pass on to any
person in the United Kingdom, any document received by it in connection with
the issue of the Steel Stock if that person is of a kind described in Article
9(3) of the Financial Services Act 1986 (Investment Advertisements)
(Exemptions) Order 1988 or is a person to whom the document may otherwise
lawfully be issued or passed on.
 
  Except with respect to the United States, no action has been taken by the
Corporation or the Underwriter that would permit a public offering of the Steel
Stock in any country or jurisdiction where action for that purpose is required.
Accordingly, the Steel Stock may not be offered, sold or delivered, directly or
indirectly, and neither this document nor any offering circular, prospectus,
form of application, advertisement or other offering material may be
distributed or published in any other such country or jurisdiction except under
circumstances that will result in compliance with any applicable laws and
regulations and the Underwriter has represented that all offers, sales and
deliveries by them will be made on these terms.
 
  Purchasers of the shares offered pursuant to the Offering may be required to
pay stamp taxes and other charges in accordance with the laws and practices of
the country of purchase in addition to the public offering price.
 
  The Corporation has agreed, with certain exceptions, that it will not sell or
otherwise dispose of any shares of Steel Stock (other than pursuant to employee
stock options, employee benefit plans and any dividend reinvestment plan) for a
period of 90 days from the date of this Prospectus without the written consent
of the Underwriter.
 
  The Corporation has agreed to indemnify the Underwriter against certain
liabilities, including liabilities under the Securities Act of 1933, as
amended.
 
  From time to time, the Underwriter has provided, and continues to provide,
investment banking services to the Corporation.
 
                                      S-57
<PAGE>
 
                                 LEGAL MATTERS
 
  The validity of the issuance of the Steel Stock will be passed upon for the
Corporation by Dan D. Sandman, Esq., General Counsel of USX, or by J.A.
Hammerschmidt, Esq., Assistant General Counsel--Corporate of USX. Mr. Sandman
and Mr. Hammerschmidt, in their respective capacities as General Counsel and
Assistant General Counsel, are paid a salary by USX and participate in various
employee benefit plans offered to officers of USX generally. Certain legal
matters will be passed upon for the Underwriter by Simpson Thacher & Bartlett
(a partnership which includes professional corporations), 425 Lexington Avenue,
New York, New York 10017.
 
                                      S-58


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