ATLANTIC RICHFIELD CO /DE
10-Q, 1998-08-07
PETROLEUM REFINING
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                    SECURITIES AND EXCHANGE COMMISSION
                         Washington, D.C.   20549
                             ________________
                                     
                                 FORM 10-Q
                             ________________
                                     
          QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
                      SECURITIES EXCHANGE ACT OF 1934
                             ________________  
                                     
For the quarterly period ended June 30, 1998
Commission file number 1-1196
                             ________________
                                     
                        ATLANTIC RICHFIELD COMPANY
          (Exact name of registrant as specified in its charter)
                             _________________
                                     
                 Delaware                              23-0371610
       (State or other jurisdiction of               (I.R.S. Employer
        incorporation or organization)              Identification No.)

         515 South Flower Street
         Los Angeles, California                          90071
   (Address of principal executive offices)             (Zip code)
                            __________________
                                     
                              (213) 486-3511
           (Registrant's telephone number, including area code)
                            __________________
                                     
                              Not Applicable
              (Former name, former address and former fiscal
                    year, if changed since last report)

     Indicate  by  check  mark whether the registrant  (1)  has  filed  all
reports  required  to  be filed by Section 13 or 15(d)  of  the  Securities
Exchange  Act  of 1934 during the preceding 12 months (or for such  shorter
period that the registrant was required to file such reports), and (2)  has
been subject to such filing requirements for the past 90 days.
                              Yes X    No
                                 ---     ---

     Number  of shares of Common Stock, $2.50 par value, outstanding as  of
June 30, 1998:  321,139,022.


<PAGE>

                      PART I.  FINANCIAL INFORMATION
<TABLE>
<CAPTION>
         ATLANTIC RICHFIELD COMPANY AND CONSOLIDATED SUBSIDIARIES
               CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)
                                     
                     CONSOLIDATED STATEMENT OF INCOME
                                     
                                     Three Months Ended    Six Months Ended
                                     ------------------    ----------------
                                           June 30,            June 30,
                                     ------------------    ----------------
(Millions except per share amounts)    1998       1997      1998      1997
                                       ----       ----      ----      ----
                                               (Restated)          (Restated)
<S>                                   <C>        <C>        <C>       <C>
Revenues
  Sales and other operating revenues  $2,564     $3,534     $5,100    $7,426
  Other revenues . . . . . . . . . .      90        148        200       248
                                       -----      -----      -----     -----
                                       2,654      3,682      5,300     7,674
                                       -----      -----      -----     -----
Expenses
  Trade purchases. . . . . . . . . .   1,071      1,634      2,057     3,455
  Operating expenses . . . . . . . .     559        649      1,094     1,227
  Selling, general and
   administrative expenses . . . . .     202        204        385       384
  Depreciation, depletion and
   amortization. . . . . . . . . . .     436        341        788       687
  Exploration expenses (including
   undeveloped leasehold
   amortization) . . . . . . . . . .     126         90        275       216
  Taxes other than income taxes. . .     122        144        276       340
  Interest . . . . . . . . . . . . .     106        (12)       203       132
                                       -----      -----      -----     -----
                                       2,622      3,050      5,078     6,441
                                       -----      -----      -----     -----
Income before income taxes,
  minority interest and
  extraordinary item . . . . . . . .      32        632        222     1,233
Provision (benefit) for taxes
  on income. . . . . . . . . . . . .     (37)       212         10       411
Minority interest in earnings of
  subsidiary . . . . . . . . . . . .       5         11         14        22
                                       -----      -----      -----     -----
Income from continuing operations 
  before extraordinary item. . . . .      64        409        198       800

Income from discontinued operations, 
  net of income taxes of $43 and $89
  (1998) and $30 and $67 (1997). . .      90         99        176       191
                                       -----      -----      -----     -----
Income before extraordinary item . .     154        508        374       991
              
Extraordinary loss on extinguishment
  of debt (net of income taxes
  of $74). . . . . . . . . . . . . .       -       (118)         -      (118)
                                       -----      -----      -----     -----
Net Income . . . . . . . . . . . . .  $  154     $  390     $  374    $  873
                                       =====      =====      =====     =====
Earned per Share
  Basic
    Continuing operations. . . . . .  $  .19     $ 1.27     $  .61    $ 2.48
    Discontinued operations. . . . .     .29        .31        .55       .60
    Extraordinary loss . . . . . . .       -       (.37)         -      (.37)
                                       -----      -----      -----     -----
    Net income . . . . . . . . . . .  $  .48     $ 1.21     $ 1.16    $ 2.71
                                       =====      =====      =====     =====

  Diluted
    Continuing operations. . . . . .  $  .19     $ 1.25     $  .60    $ 2.44
    Discontinued operations. . . . .     .28        .30        .54       .59
    Extraordinary loss . . . . . . .       -       (.36)         -      (.36)
                                       -----      -----      -----     -----
    Net income . . . . . . . . . . .  $  .47     $ 1.19     $ 1.14    $ 2.67
                                       =====      =====      =====     =====
Cash Dividends Paid per Share of
  Common Stock . . . . . . . . . . .  $.7125     $.7125     $1.425    $1.400
                                       =====      =====      =====     ===== 
                                     
     The accompanying notes are an integral part of these statements.
</TABLE>
                                    - 1 -

<PAGE>
<TABLE>
<CAPTION>
                        ATLANTIC RICHFIELD COMPANY
                        CONSOLIDATED BALANCE SHEET
                                     
                                                   June 30,   December 31,
                                                     1998        1997
                                                   --------   ------------
(Millions)                                                     (Restated)
<S>                                                <C>          <C>
Assets
Current assets:
  Cash and cash equivalents . . . . . . . . . .    $   513      $   434
  Short-term investments. . . . . . . . . . . .        215          222
  Accounts receivable . . . . . . . . . . . . .        840          929
  Inventories . . . . . . . . . . . . . . . . .        451          456
  Prepaid expenses and other current assets . .        295          204
                                                    ------       ------
  Total current assets. . . . . . . . . . . . .      2,314        2,245
                                                    ------       ------
Investments and long-term receivables:
  Investment in Union Texas Petroleum . . . . .      2,646            -
  Investments accounted for on the equity
   method . . . . . . . . . . . . . . . . . . .        821          763
  Other investments and long-term receivables .        979        1,820
                                                    ------       ------
                                                     4,446        2,583
                                                    ------       ------
Net property, plant and equipment . . . . . . .     14,308       13,560

Net assets of discontinued operations . . . . .      2,013        2,777
Deferred charges and other assets . . . . . . .      1,353        1,260
                                                    ------       ------
Total assets. . . . . . . . . . . . . . . . . .    $24,434      $22,425
                                                    ======       ======

     The accompanying notes are an integral part of these statements.
</TABLE>
                                  - 2 -

<PAGE>
<TABLE>
<CAPTION>
                        ATLANTIC RICHFIELD COMPANY
                        CONSOLIDATED BALANCE SHEET
                                     
                                                    June 30,   December 31,
                                                      1998        1997
                                                    --------   ------------
(Millions)                                                      (Restated)
<S>                                                  <C>         <C> 
Liabilities and Stockholders' Equity
Current liabilities:
  Notes payable . . . . . . . . . . . . . . . . .    $ 4,364     $ 1,456
  Accounts payable. . . . . . . . . . . . . . . .        791         948
  Long-term debt due within one year. . . . . . .        102         164
  Taxes payable. . . . . . . . . . . .  . . . . .        190         308
  Other . . . . . . . . . . . . . . . . . . . . .        920         953 
                                                      ------      ------
  Total current liabilities . . . . . . . . . . .      6,367       3,829
                                                      ------      ------
Long-term debt. . . . . . . . . . . . . . . . . .      3,679       3,619
Deferred income taxes . . . . . . . . . . . . . .      2,335       2,661
Other deferred liabilities and credits. . . . . .      3,739       3,396
Minority interest . . . . . . . . . . . . . . . .        251         240
Stockholders' equity:
  Preference stocks . . . . . . . . . . . . . . .          1           1
  Common stock. . . . . . . . . . . . . . . . . .        814         807
  Capital in excess of par value of stock . . . .        856         640
  Retained earnings . . . . . . . . . . . . . . .      6,969       7,054
  Treasury stock. . . . . . . . . . . . . . . . .       (356)       (170)
  Accumulated other comprehensive income (loss) .       (221)        348
                                                      ------      ------
  Total stockholders' equity. . . . . . . . . . .      8,063       8,680
                                                      ------      ------
Total liabilities and stockholders' equity. . . .    $24,434     $22,425
                                                      ======      ======

     The accompanying notes are an integral part of these statements.
</TABLE>
                                  - 3 -

<PAGE>
<TABLE>
<CAPTION>
                        ATLANTIC RICHFIELD COMPANY
                   CONSOLIDATED STATEMENT OF CASH FLOWS

                                                         Six Months Ended
                                                             June 30,
                                                         ----------------
                                                          1998     1997
                                                         ------   ------
(Millions)                                                      (Restated)
<S>                                                      <C>      <C>
Cash flows from operating activities:
Net income. . . . . . . . . . . . . . . . . . . . . . .  $  198   $  682
Adjustments to reconcile net income to net cash
 provided by operating activities:
  Extraordinary loss on extinguishment of debt. . . . .       -      118
  Depreciation, depletion and amortization. . . . . . .     788      687
  Dry hole expense and undeveloped leasehold
   amortization . . . . . . . . . . . . . . . . . . . .     138       87
  Net gain on asset sales . . . . . . . . . . . . . . .     (23)     (13)
  Income from equity investments. . . . . . . . . . . .     (32)      (5)
  Dividends from equity investments . . . . . . . . . .       4       10
  Minority interest in earnings of subsidiaries . . . .      14       22
  Cash payments greater than noncash provisions . . . .     (99)    (154)
  Changes in working capital accounts . . . . . . . . .    (339)    (288)
  Other . . . . . . . . . . . . . . . . . . . . . . . .       5       (6)
                                                          -----     -----
    Net cash provided by operating activities . . . . .     654     1,140
                                                          -----     -----
Cash flows from investing activities:
  Union Texas Petroleum acquisition . . . . . . . . . .  (2,646)        -
  Additions to fixed assets (including dry hole costs).  (1,612)     (918)
  Net cash provided by short-term investments . . . . .       8       304
  Investment in LUKARCO . . . . . . . . . . . . . . . .     (32)     (201)
  Proceeds from asset sales . . . . . . . . . . . . . .   1,135        16
  Other . . . . . . . . . . . . . . . . . . . . . . . .     (35)      (23)
                                                          -----     -----
    Net cash used by investing activities . . . . . . .  (3,182)     (822)
                                                          -----     -----
Cash flows from financing activities:
  Repayments of long-term debt. . . . . . . . . . . . .    (155)     (403)
  Proceeds from issuance of long-term debt. . . . . . .     153        95
  Net cash provided by notes payable  . . . . . . . . .   2,930        42
  Dividends paid. . . . . . . . . . . . . . . . . . . .    (459)     (452)
  Treasury stock purchases. . . . . . . . . . . . . . .      (1)     (155)
  Other . . . . . . . . . . . . . . . . . . . . . . . .      15        22
                                                          -----     -----
    Net cash provided (used) by financing activities. .   2,483      (851)
                                                          -----     -----
Cash flows from discontinued operations . . . . . . . .     123       190

Effect of exchange rate changes on cash . . . . . . . .       1        (4)
                                                          -----     -----
Net increase (decrease) in cash and cash equivalents. .      79      (347)

Cash and cash equivalents at beginning of period. . . .     434     1,326
                                                          -----     -----
Cash and cash equivalents at end of period. . . . . . .  $  513    $  979
                                                          =====     =====

     The accompanying notes are an integral part of these statements.
</TABLE>
                                  - 4 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE A.  Accounting Policies.

Basis of Presentation.

     The foregoing financial information is unaudited and has been prepared
from  the  books  and records of the Company.  Certain previously  reported
amounts  have been restated to conform to classifications adopted in  1998.
In  the  opinion  of  the Company, the financial information  reflects  all
adjustments,  consisting of normal recurring adjustments, necessary  for  a
fair  presentation of the financial position and results of  operations  in
conformity with generally accepted accounting principles.


NOTE B.  Comprehensive Income.

     Effective  January 1, 1998, the Company adopted Statement of Financial
Accounting  Standards  (SFAS)  No. 130, "Reporting  Comprehensive  Income."
SFAS  No.  130  established  new rules for the reporting  of  comprehensive
income and its components.  Comprehensive income comprises net income  plus
all  other  changes in equity from nonowner sources.  ARCO's  comprehensive
income  for the three- and six-month periods ended June 30, 1998  and  1997
was as follows:
<TABLE>
<CAPTION>
                                    Three Months Ended     Six Months Ended
                                         June 30,              June 30,
                                    ------------------     ----------------
(Millions)                           1998        1997       1998      1997
                                     ----        ----       ----      ----
<S>                                 <C>         <C>        <C>       <C>
Net  income . . . . . . . . . .     $ 154       $ 390      $ 374     $  873
After-tax changes in:
  Net unrealized gain on
   investments (a). . . . . . .      (333)        200       (519)       265
  Foreign currency translation
   adjustment . . . . . . . . .       (46)        (47)       (50)       (97)
                                     ----        ----       ----      -----
Comprehensive income (loss) . .     $(225)      $ 543      $(195)    $1,041
                                     ====        ====       ====      =====

(a) Primarily  consists  of  a  decline in ARCO's  unrealized  gain  on  its
    investment  in  LUKOIL,  which had a fair value  of  approximately  $482
    million  at  June  30, 1998, compared to a fair value  of  approximately
    $1.3  billion at December 31, 1997.  The unrealized pretax gain  in  the
    LUKOIL investment at June 30, 1998, was $140 million.
</TABLE>

     The  new  disclosure  had no impact on ARCO's net  income,  financial
position, stockholders' equity or cash flows.

     Accumulated nonowner changes in equity (accumulated other comprehensive
income) at June 30, 1998 and December 31, 1997 were as follows:
<TABLE>
<CAPTION>
                                                   June 30,    December 31,
                                                     1998          1997
                                                   --------    ------------
      (Millions)
      <S>                                            <C>          <C>
      Net unrealized gain on investments . . . . .   $  87        $ 606
      Foreign currency translation adjustment. . .    (254)        (204)
      Minimum pension liability. . . . . . . . . .     (54)         (54)
                                                      ----         ----
        Accumulated other comprehensive income . .   $(221)       $ 348
                                                      ====         ====
</TABLE>
                                  - 5 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE C.  Interim Segment Information.
<TABLE>
<CAPTION>
Three Months Ended June 30, 1998
- --------------------------------

                        Exploration   Refining &    All     Unallo-
(Millions)             & Production   Marketing    Other     cated     Total
                       ------------   ----------   -----    -------    -----
<S>                       <C>           <C>       <C>       <C>       <C>
Sales and other
 operating revenues . .   $ 1,368       $1,432    $   39    $   14    $ 2,853
Intersegment revenues .      (262)           -       (21)       (6)      (289)
                           ------        -----     -----     -----     ------
Total . . . . . . . . .   $ 1,106       $1,432    $   18    $    8    $ 2,564
                           ======        =====     =====     =====     ======
Income from continuing
 operations . . . . . .   $    17       $   97    $   29    $  (79)   $    64
Income from discontinued
 operations . . . . . .         -            -         -        90         90
                           ------        -----     -----     -----     ------
Net income. . . . . . .   $    17       $   97    $   29    $   11    $   154
                           ======        =====     =====     =====     ======

Segment assets. . . . .   $12,977       $3,722    $1,178    $6,557    $24,434
                           ======        =====     =====     =====     ======

December 31, 1997
- -----------------
  (Restated)
Segment assets. . . . .   $12,882       $3,565    $1,164    $4,814    $22,425
                           ======        =====     =====     =====     ======

Three Months Ended June 30, 1997
- --------------------------------
  (Restated)

                        Exploration   Refining &    All     Unallo-
(Millions)             & Production   Marketing    Other     cated     Total
                       ------------   ----------   -----    -------    -----
Sales and other
 operating revenues . .   $ 2,399       $1,631    $   49     $    6   $ 4,085
Intersegment revenues .      (526)           -       (21)        (4)     (551)
                           ------        -----     -----      -----    ------
Total . . . . . . . . .   $ 1,873       $1,631    $   28     $    2   $ 3,534
                           ======        =====     =====      =====    ======
Income from continuing
 operations . . . . . .   $   321       $   68    $   24     $   (4)  $   409
Income from discontinued
 operations . . . . . .         -            -         -         99        99
Extraordinary item. . .         -            -         -       (118)     (118)
                           ------        -----     -----      -----    ------
Net income. . . . . . .   $   321       $   68    $   24     $  (23)  $   390
                           ======        =====     =====      =====    ======
</TABLE>
                                 - 6 -

<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE C.  Interim Segment Information (Continued).
<TABLE>
<CAPTION>
Six Months Ended June 30, 1998
- ------------------------------

                       Exploration    Refining &    All     Unallo-
(Millions)            & Production    Marketing    Other     cated    Total
                      ------------    ----------   -----    -------   -----
<S>                      <C>           <C>         <C>      <C>      <C>
Sales and other
 operating revenues . .  $ 2,906       $ 2,784     $   79   $   16   $ 5,785
Intersegment revenues .     (624)          (12)       (40)      (9)     (685)
                          ------        ------      -----    -----    ------
Total . . . . . . . . .  $ 2,282       $ 2,772     $   39   $    7   $ 5,100
                          ======        ======      =====    =====    ======
Income from continuing
 operations . . . . . .  $   199       $   116     $   53   $ (170)  $   198
Income from discontinued
 operations . . . . . .        -             -          -      176       176
                          ------        ------      -----    -----    ------
Net income. . . . . . .  $   199       $   116     $   53   $    6   $   374
                          ======        ======      =====    =====    ======

Six Months Ended June 30, 1997
- ------------------------------
  (Restated)

                        Exploration   Refining &     All    Unallo-
(Millions)             & Production   Marketing     Other    cated     Total
                       ------------   ----------    -----   -------    -----
Sales and other
 operating revenues . .   $ 5,246      $ 3,323     $   93   $    8    $ 8,670
Intersegment revenues .    (1,194)           -        (42)      (8)    (1,244)
                           ------       ------      -----    -----     ------
Total . . . . . . . . .   $ 4,052      $ 3,323     $   51   $    -    $ 7,426
                           ======       ======      =====    =====     ======
Income from continuing
 operations . . . . . .   $   773      $   114     $   37   $ (124)   $   800
Income from discontinued
 operations . . . . . .         -            -          -      191        191
Extraordinary item  . .         -            -          -     (118)      (118)
                           ------       ------      -----    -----     ------
Net income. . . . . . .   $   773      $   114     $   37   $ ( 51)   $   873
                           ======       ======      =====    =====     ======
</TABLE>

     As discussed in Note K, the Company's coal and chemical operations and
investment  in  Lyondell  Petrochemical  Company  ("Lyondell")  have   been
reported  as  discontinued at June 30, 1998.  Accordingly, the income  from
and  net  assets  of discontinued operations are included with  unallocated
items  in  the  segment  presentation above.  At December  31,  1997,  coal
operations and ARCO's investment in Lyondell were included as part of  "all
other"  for  segment  purposes and chemical  operations  were  shown  as  a
separate  segment.  The prior period has been restated to  conform  to  the
current presentation.

                                  - 7 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE D.  Acquisition of Union Texas Petroleum Holdings, Inc.

     On  June  16, 1998, ARCO announced the completion of its tender  offer
for  all  outstanding  shares  of Union Texas  Petroleum  Holdings,  Inc.'s
("UTP") common stock.  ARCO purchased the outstanding common stock  of  UTP
for  approximately  $2.5  billion, or $29 per share  in  cash.   ARCO  also
purchased  in  a  tender  offer 1,649,500 shares of Union  Texas  Petroleum
Holdings,   Inc.'s   7.14%  Series  A  Cumulative   Preferred   Stock   for
approximately  $200 million, or $122 per share in cash.  UTP  was  a  U.S.-
based,  non-integrated  oil  and  gas company  with  worldwide  operations.
Substantially all of UTP's oil and gas producing operations were  conducted
outside  of  the  U.S.  in  the United Kingdom sector  of  the  North  Sea,
Indonesia and Pakistan.

     The  acquisition  is  being  accounted  for  as  a  purchase  and  the
operations of UTP will be included in the consolidated financial statements
of  ARCO as of July 1, 1998.  The cost of the acquisition will be allocated
on  the  basis  of  the  estimated fair value of the  assets  acquired  and
liabilities  assumed.  ARCO expects that this allocation will be  completed
by year-end 1998.


NOTE E.  Investments.

     At  June  30,  1998  and  1997, investments in  debt  securities  were
primarily   composed  of  U.S.  Treasury  securities  and  corporate   debt
instruments  and  were  principally  included  in  short-term  investments.
Maturities  generally  ranged from one day to  20  months.  Investments  in
LUKOIL  common stock and Zhenhai Refining and Chemical Company  convertible
bonds  were  included in other investments and long-term  receivables.   At
June 30, 1998, all investments were classified as available-for-sale; there
were no investments considered held-to-maturity.  Investments were reported
at  fair  value,  with  unrealized holding gains and losses,  net  of  tax,
reported in a separate component of stockholders' equity.

     The following summarizes investments in securities, at June 30:
<TABLE>
<CAPTION>
                                                           1998     1997
                                                           ----     ----
        (Millions)
        <S>                                               <C>      <C>
        Aggregate fair value . . . . . . . . . . . . . .  $1,058   $1,961
        Gross unrealized holding losses. . . . . . . . .       7        3
        Gross unrealized holding gains . . . . . . . . .    (148)    (798)
                                                           -----    -----
        Amortized cost . . . . . . . . . . . . . . . . .  $  917   $1,166
                                                           =====    =====
</TABLE>
      Investment activity for the six-month periods ended June  30  was  as
follows:
<TABLE>
<CAPTION>
                                                           1998     1997
                                                           ----     ----
        (Millions)
        <S>                                               <C>      <C>
        Gross purchases. . . . . . . . . . . . . . . . .  $7,191   $4,185
        Gross sales. . . . . . . . . . . . . . . . . . .     267    1,303
        Gross maturities . . . . . . . . . . . . . . . .   6,920    3,588
</TABLE>
Gross   realized   gains  and  loss  were  determined   by   the   specific
identification method and for the three- and six-month periods  ended  June
30, 1998 and 1997, were insignificant.

                                  - 8 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE F.  Inventories.

     Inventories at June 30, 1998 and December 31, 1997 comprised the
following:
<TABLE>
<CAPTION>
                                                    June 30,   December 31,
                                                      1998        1997
                                                    --------   ------------
   (Millions)                                                   (Restated)
   <S>                                             <C>          <C>
   Crude oil and petroleum products . . . . . . .  $    228     $    247
   Other products . . . . . . . . . . . . . . . .        23           24
   Materials and supplies . . . . . . . . . . . .       200          185
                                                    -------      -------
     Total. . . . . . . . . . . . . . . . . . . .  $    451     $    456
                                                    =======      =======
</TABLE>

NOTE G.  Capital Stock.

     Detail of the Company's capital stock was as follows:
<TABLE>
<CAPTION>
                                                    June 30,     December 31,
                                                      1998          1997
                                                    --------     ------------
   (Thousands)
   <S>                                               <C>           <C>
   $3.00 Cumulative convertible preference
     stock, par $1 . . . . . . . . . . . . . . . .   $     52      $     56
   $2.80 Cumulative convertible preference
     stock, par $1 . . . . . . . . . . . . . . . .        589           616
   Common stock, par $2.50 . . . . . . . . . . . .    814,435       806,800
                                                      -------       -------
     Total . . . . . . . . . . . . . . . . . . . .   $815,076      $807,472
                                                      =======       =======
</TABLE>

NOTE H.  Capitalization of Interest.

      Interest expense excluded capitalized interest of $21 million and $12
million, respectively, for the three-month periods ended June 30, 1998  and
1997,  and  $37  million and $14 million, respectively, for  the  six-month
periods ended June 30, 1998 and 1997.

                                  - 9 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE I.  Restructuring Programs.

     During  1997,  the  Company  undertook several restructuring  actions,
primarily  at ARCO Chemical Company ("ARCO Chemical"), within the  refining
and  marketing  operations  and at corporate headquarters.   The  following
table  summarizes the personnel-related amounts accrued as of December  31,
1997:

<TABLE>
<CAPTION>
    ($ Millions)
                                        Funded          Unfunded
                      Short-term       Long-term        Long-term
    Terminations     Benefits (a)     Benefits (b)     Benefits (c)   Total
    ------------     ------------     ------------     ------------   -----
       <S>              <C>               <C>              <C>        <C>
       1,200            $133              $5               $12        $150

    (a) Severance and ancillary benefits.
    (b) Net increase in pension benefits to be paid from assets of qualified
        plans.
    (c) Net increase in non-qualified pension benefits and other postretire-
        ment benefits to be paid from Company funds.
</TABLE>

     Through  June  30,  1998,  approximately   920   employees  have  been
terminated  and  approximately  $49  million  of  severance  and  ancillary
benefits have been paid and charged against the accrual.  Payments made  do
not  necessarily correlate to the number of terminations due to the ability
of terminees to defer receipt of certain payments.

     In  the  second  quarter  of  1998,  ARCO  Chemical  re-evaluated  its
restructuring program and reduced the number of employees to be  terminated
by  approximately 140.  Accordingly, the termination reserve was reduced by
approximately $17 million before tax.
                                     
                                  - 10 -

<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE J.  Income Taxes.

     Provision (benefit) for taxes on income:
<TABLE>
<CAPTION>
                                     Three Months Ended     Six Months Ended
                                           June 30,             June 30,
                                     ------------------     ----------------
                                      1998        1997       1998       1997
                                      ----        ----       ----       ----
(Millions)                                     (Restated)           (Restated)
<S>                                   <C>         <C>        <C>        <C>
Federal:
  Current. . . . . . . . . . . . .    $(35)       $131       $(45)      $273
  Deferred . . . . . . . . . . . .      22          25         49          9
                                       ---         ---        ---        ---
                                       (13)        156          4        282
                                       ---         ---        ---        ---
Foreign:
  Current. . . . . . . . . . . . .      (3)         19         25         71
  Deferred . . . . . . . . . . . .     (26)          -        (36)       (12)
                                       ---         ---        ---        ---
                                       (29)         19        (11)        59
                                       ---         ---        ---        ---
State:
  Current. . . . . . . . . . . . .       3          37         11         70
  Deferred . . . . . . . . . . . .       2           -          6          -
                                       ---         ---        ---        ---
                                         5          37         17         70
                                       ---         ---        ---        ---
     Total . . . . . . . . . . . .    $(37)       $212       $ 10       $411
                                       ===         ===        ===        ===
</TABLE>
 
                                  - 11 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


Note J.  Income Taxes (continued).

     Reconciliation  of provision for taxes on income with tax  at  federal
statutory rate:
<TABLE>
<CAPTION>
                                                    Three Months Ended
                                                         June 30,
                                         -------------------------------------
                                                1998                1997
                                         -----------------   -----------------
                                                   Percent             Percent
                                                      of                 of
                                                   Pretax              Pretax
                                         Amount    Income    Amount    Income
                                         ------    ------    ------    ------
                                                                (Restated)
(Millions)
<S>                                      <C>        <C>       <C>       <C>
Income before income taxes, minority
 interest and extraordinary item. . .    $   32     100.0     $ 632     100.0
                                          =====     =====      ====     =====

Tax at federal statutory rate . . . .    $   11      35.0     $ 221      35.0
Increase (reduction) in taxes
 resulting from:
  Subsidiary stock transactions . . .       (44)   (137.5)      (22)     (3.5)
  Taxes on foreign income in
   excess of statutory rate . . . . .        20      62.5        16       2.5
  State income taxes (net of
   federal effect). . . . . . . . . .         3       9.4        25       4.0
  Tax credits . . . . . . . . . . . .       (28)    (87.5)      (26)     (4.1)
  Other . . . . . . . . . . . . . . .         1       3.1        (2)     (0.4)
                                          -----     -----      ----     -----
Provision (benefit) for taxes
 on income. . . . . . . . . . . . . .    $  (37)   (115.0)    $ 212      33.5
                                          =====     =====      ====     =====
</TABLE>
<TABLE>
<CAPTION>
                                                    Six Months Ended
                                                       June 30,
                                         -------------------------------------
                                               1998                1997
                                         -----------------   -----------------
                                                   Percent             Percent
                                                     of                   of
                                                   Pretax              Pretax
                                         Amount    Income    Amount    Income
                                         ------    ------    ------    ------
                                                                (Restated)
(Millions)
<S>                                      <C>        <C>      <C>        <C>
Income before income taxes, minority
 interest and extraordinary item. . .    $  222     100.0    $1,233     100.0
                                          =====    ======     =====    ======

Tax at federal statutory rate . . . .    $   78      35.0    $  432      35.0
Increase (reduction) in taxes
 resulting from:
  Subsidiary stock transactions . . .       (57)    (25.7)      (44)     (3.6)
  Taxes on foreign income in excess
   of statutory rate. . . . . . . . .        40      18.0        33       2.7
  State income taxes (net of
   federal effect). . . . . . . . . .        11       5.0        46       3.7
  Tax credits . . . . . . . . . . . .       (59)    (26.6)      (51)     (4.1)
  Other . . . . . . . . . . . . . . .        (3)     (1.2)       (5)     (0.4)
                                          -----     -----     -----    ------
Provision for taxes on income . . . .    $   10       4.5    $  411      33.3
                                          =====     =====     =====    ======
</TABLE>
                                  - 12 -

<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE K.  Discontinued Operations.

     On  June  1, 1998, ARCO disposed of its U.S. coal operations  to  Arch
Coal.   Operations disposed of included the Black Thunder  and  Coal  Creek
mines in Wyoming, the West Elk mine in Colorado, and ARCO's 65% interest in
three mines in Utah.  ARCO contributed its Wyoming coal operations and Arch
Coal  transferred various of its coal operations into a new  joint  venture
that is 99% owned by Arch Coal and 1% owned by ARCO.

     The  net  assets  of  ARCO's  Australian coal  mining  operations  are
included  in  the net assets of discontinued operations at June  30,  1998.
The  Company expects to dispose of the Australian operations by  March  31,
1999 and does not expect to incur a loss from the disposal of the U.S.  and
Australian coal assets.  Net proceeds from the sale of U.S. operations have
been deferred in other liabilities and credits until the ultimate gain,  if
any,  on  disposition of all coal assets can be determined.  Revenues  from
the discontinued coal operations were $232 million and $362 million for the
six months ended June 30, 1998 and 1997, respectively.

     In  July  1998,  ARCO tendered its 80,000,001 shares of ARCO  Chemical
common  stock to Lyondell for $57.75 per share, or total cash  proceeds  of
approximately  $4.6 billion.  ARCO expects to record an after-tax  gain  of
approximately $1.3 billion in the third quarter of 1998 from  the  sale  of
the shares.

     ARCO  Chemical's  income  and  net assets were  reported  as  part  of
discontinued  operations in the financial statements.   Revenues  from  the
discontinued  ARCO Chemical operations were $1.7 billion and  $1.9  billion
for the six months ended June 30, 1998 and 1997, respectively.

     In  September  1997, ARCO  disposed of its 49.9%  equity  interest  in
Lyondell.   Accordingly,  the 1997 financial statements  were  restated  to
reflect ARCO's earnings from and investment in Lyondell as discontinued.


                                  - 13 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE L.  Earned Per Share.

     The information necessary for the calculation of earned per  share  is  as
follows:
<TABLE>
<CAPTION>
                              Three Months Ended        Three Months Ended
                                 June 30, 1998             June 30, 1997
                          -------------------------  -------------------------
                          Income  Shares  Per share  Income  Shares  Per share
                          ------  ------  ---------  ------  ------  ---------
(Millions, except
 per share amounts)
<S>                        <C>    <C>      <C>        <C>     <C>     <C>
Income from continuing
 operations . . . . . . .  $ 64                       $409
Less: Preference stock
 dividends. . . . . . . .    (1)                        (1)
                            ---                        ---
Income from continuing
 operations available
 to common stockholders -
 basic EPS. . . . . . . .    63    321.0    $0.19      408    321.1    $1.27
                                   =====                      =====
Income from discontinued
 operations, net of tax .    90    321.0     0.29       99    321.1     0.31
                            ---    =====     ----      ---    =====
Income before extra-
 ordinary item available
 to common stockholders -
 basic EPS. . . . . . . .   153                        507
Extraordinary item. . . .     -                       (118)   321.1    (0.37)
                            ---                        ---    =====     ----

Net income available to
 common stockholders -
 basic EPS. . . . . . . .   153    321.0    $0.48      389    321.1    $1.21
                                             ====                       ====
Effect of dilutive
 securities:
Contingently issuable
 shares (primarily
 options) . . . . . . . .            3.0                        2.4
Convertible preference
 stock. . . . . . . . . .     1      3.6                 1      3.9
                            ---    -----               ---    -----
Net income available to
 common stockholders and
 assumed conversions -
 diluted EPS. . . . . . .   154    327.6    $0.47      390    327.4    $1.19
                                   =====                      =====

Extraordinary item. . . .     -                        118    327.4     0.36
                            ---                        ---    =====
Income before extra-
 ordinary item available
 to common stockholders
 and assumed conversions -
 diluted EPS. . . . . . .   154                        508

Income from discontinued
 operations, net of tax .   (90)   327.6    (0.28)     (99)   327.4    (0.30)
                            ---    =====     ----      ---    =====     ----
Income from continuing
 operations available to
 common stockholders and
 assumed conversions -
 diluted EPS. . . . . . .  $ 64    327.6    $0.19      $409   327.4    $1.25
                            ===    =====     ====       ===   =====     ====
</TABLE>
                                  - 14 -

<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE L.  Earned Per Share (continued).
<TABLE>
<CAPTION>
                              Six Months Ended           Six Months Ended
                               June 30, 1998              June 30, 1997
                         -------------------------   -------------------------
                         Income  Shares  Per share   Income  Shares  Per share
                         ------  ------  ---------   ------  ------  ---------
(Millions, except
 per share amounts)
<S>                       <C>     <C>      <C>        <C>     <C>      <C>
Income from continuing
 operations . . . . . .   $198                        $800
Less: Preference stock
 dividends. . . . . . .     (1)                         (1)
                           ---                         ---
Income from continuing
 operations available to
 common stockholders -
 basic EPS. . . . . . .    197    320.8    $0.61       799    321.7    $2.48
                                  =====                       =====
Income from discontinued
 operations, net of tax    176    320.8     0.55       191    321.7     0.60

Income before extra-
 ordinary item available
 to common stockholders -
 basic EPS. . . . . . .    373                         990
Extraordinary item. . .      -                        (118)   321.7    (0.37)
                           ---                         ---    =====     ----
Net income available to
 common stockholders -
 basic EPS. . . . . . .    373    320.8    $1.16       872    321.7    $2.71
                                            ====                        ====
Effect of dilutive
 securities:
Contingently issuable
 shares (primarily
 options) . . . . . . .             3.0                         1.6
Convertible preference
 stock. . . . . . . . .      1      3.6                  1      3.9
                           ---    -----                ---    -----
Net income available
 to common stockholders
 and assumed conversions -
 diluted EPS. . . . . .    374    327.4    $1.14       873    327.2    $2.67
                                  =====                       =====
Extraordinary item . . .     -                         118    327.2     0.36
                           ---                         ---    =====
Income before extra-
 ordinary item available
 to common stockholders
 and assumed conversions -
 diluted EPS . . . . . .   374                         991

Income from discontinued
 operations, net of tax.  (176)   327.4    (0.54)     (191)   327.2    (0.59)
                           ---    =====     ----       ---    =====     ----
Income from continuing
 operations available
 to common stockholders
 and assumed conversions -
 diluted EPS . . . . . .  $198    327.4     $0.60     $800    327.2    $2.44
                           ===    =====      ====      ===    =====     ====
</TABLE>
                                  - 15 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE M.  Supplemental Income Statement Information.

     Taxes other than income taxes comprised the following:
<TABLE>
<CAPTION>
                                    Three Months Ended      Six Months Ended
                                          June 30,              June 30,
                                    -------------------    ------------------
                                     1998        1997        1998      1997
                                     ----        ----        ----      ----
                                              (Restated)            (Restated)
    (Millions)
    <S>                              <C>         <C>         <C>       <C>
    Production/severance. . . . .    $ 55        $ 74        $119      $186
    Property. . . . . . . . . . .      30          36          70        70
    Other . . . . . . . . . . . .      37          34          87        84
                                      ---         ---         ---       ---
      Total . . . . . . . . . . .    $122        $144        $276      $340
                                      ===         ===         ===       ===
</TABLE>

NOTE N.  Supplemental Cash Flow Information.

     Following  is  supplemental cash flow information for the  six  months
ended June 30, 1998 and 1997:
<TABLE>
<CAPTION>
                                                         Six Months Ended
                                                              June 30,
                                                         ----------------
                                                          1998      1997
                                                          ----      ----
                                                                 (Restated)
(Millions)
<S>                                                      <C>       <C>
Gross sales and maturities of short-term investments . . $   134   $ 1,373
Gross purchases of short-term investments. . . . . . . .    (126)   (1,069)
                                                          ------    ------
Net cash provided by short-term investments. . . . . . . $     8   $   304
                                                          ======    ======

Gross proceeds from issuance of notes payable. . . . . . $ 9,987   $ 2,975
Gross repayments of notes payable. . . . . . . . . . . .  (7,057)   (2,933)
                                                          ------    ------
Net cash provided by notes payable . . . . . . . . . . . $ 2,930   $    42
                                                          ======    ======

Gross noncash provisions charged to income . . . . . . . $   106   $   139
Reserve reversal from partial tax audit settlements. . .       -      (145)
Cash payments of previously accrued items. . . . . . . .    (205)     (148)
                                                          ------    ------
Cash payments greater than noncash provisions. . . . . . $   (99)  $  (154)
                                                          ======    ======
</TABLE>
     Interest  paid  during the six-month periods ended June 30,  1998  and
1997 was $205 million and $292 million, respectively.

     Income taxes paid during the six-month periods ended June 30, 1998 and
1997 were $140 million and $573 million, respectively.


                                  - 16 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE N.  Supplemental Cash Flow Information (continued).

     Excluded  from  the Consolidated Statement of Cash Flows for  the  six
months  ended  June 30, 1998 was the issuance of 2,725,030 shares  of  ARCO
common stock to a consolidated subsidiary in exchange for certain  property,
plant and  equipment owned by the subsidiary.  The transaction was recorded
at fair market value at the time of the exchange.


     Changes  in  working capital accounts for the six-month periods  ended
June 30, 1998 and 1997 were as follows:
<TABLE>
<CAPTION>
                                                        Six Months Ended
                                                            June 30,
                                                        ----------------
                                                        1998        1997
                                                        ----        ----
                                                                 (Restated)
(Millions)
<S>                                                     <C>         <C>
Changes in working capital - Increase (decrease)
 to cash:
   Accounts receivable. . . . . . . . . . . . . . . . . $   89      $196
   Inventories. . . . . . . . . . . . . . . . . . . . .      2       (54)
   Accounts payable . . . . . . . . . . . . . . . . . .   (157)     (262)
   Other working capital. . . . . . . . . . . . . . . .   (273)     (168)
                                                         -----     -----
    Total . . . . . . . . . . . . . . . . . . . . . . . $ (339)   $ (288)
                                                         =====     =====
</TABLE>

NOTE O.  Other Commitments and Contingencies.

     ARCO  has  commitments, including  those related to  the  acquisition,
construction  and development of facilities, all made in the normal  course
of business.

     Following  the  March 1989  EXXON VALDEZ oil spill, numerous  lawsuits
seeking compensatory and punitive damages and injunctions were filed by the
state  of  Alaska, the United States and private plaintiffs against  Exxon,
Alyeska  Pipeline Service Company ("Alyeska") and Alyeska's owner companies
(including  ARCO,  which owns approximately 22%).  Alyeska  and  its  owner
companies  have  settled  the  civil damage claims  by  federal  and  state
governments  and  the  lawsuits  by  private  plaintiffs.   Certain  issues
relating to the liability for the spill remain unresolved between the Exxon
companies, on the one hand, and Alyeska and its owner companies.

     ARCO  and  former  producers  of  lead pigments  have  been  named  as
defendants  in cases filed by a municipal housing authority, two  purported
classes and several individuals seeking damages and injunctive relief as  a
consequence  of the presence of lead-based paint in certain housing  units.
ARCO  is  also  the  subject of or party to a number of  other  pending  or
threatened legal actions.

     The  State  of  Montana is seeking recovery from ARCO of $767  million
based  on  alleged injuries to natural resources resulting from mining  and
mineral processing operations formerly operated by Anaconda.  ARCO and  the
State  have  lodged with the court an agreement to settle for $135  million
the  State's  natural resource damages at three sites.  That  agreement  is
contingent upon the State, ARCO and others completing and lodging with  the
court  a  related  settlement agreement and upon  court  approval  of  both
agreements.

                                  - 17 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE O.  Other Commitments and Contingencies (continued).

     ARCO is subject to other loss contingencies pursuant to federal, state
and local environmental laws and regulations.  These require ARCO to remove
or  mitigate the effects on the environment of the disposal or  release  of
certain  chemical,  mineral and petroleum substances  at   various   sites,
perform certain restoration work on these sites and to pay damages for loss
of   use   and   non-use  values.   ARCO  is  currently  participating   in
environmental  assessments  and  cleanups  under  these  laws  at   federal
Superfund  and  state-managed  sites, as  well  as  other  clean-up  sites.
ARCO  may in the future be involved in additional environmental assessments
and  cleanups, including restoration of natural resources and  damages  for
loss of use and non-use values.  The amount of future costs will depend  on
such factors as the unknown nature and extent of contamination, the unknown
timing, extent and method of the remedial actions which may be required and
the  determination  of ARCO's liability in proportion to other  responsible
parties.   Environmental  loss contingencies include  claims  for  personal
injuries  allegedly caused by exposure to toxic materials  manufactured  or
used by ARCO.

     ARCO  continues  to estimate the amount of these costs in periodically
establishing  reserves based on progress made in determining the  magnitude
of remediation costs, experience gained from sites on which remediation has
been  completed, the timing and extent of remedial actions required by  the
applicable  governmental authorities and an evaluation  of  the  amount  of
ARCO's  liability considered in light of the liability and financial  where
withal   of  the  other  responsible  parties.   At  June  30,  1998,   the
environmental remediation accrual was $696 million.  As the scope of ARCO's
obligations  becomes more clearly defined, there may be  changes  in  these
estimated  costs,  which  might  result in future  charges  against  ARCO's
earnings.

     ARCO's  environmental remediation accrual covers federal Superfund and
state-managed  sites  as  well as other clean-up sites,  including  service
stations,   refineries,   terminals,   chemical   facilities,   third-party
landfills,  former  nuclear processing facilities,  sites  associated  with
discontinued  operations and sites formerly owned by ARCO.  ARCO  has  been
named a potentially responsible party ("PRP") for 133 sites.  The number of
PRP  sites in and of itself is not a relevant measure of liability, because
the  nature and extent of environmental concerns varies by site and  ARCO's
share  of responsibility varies from sole responsibility  to  very   little
responsibility.  ARCO reviews all of the PRP sites, along with other  sites
as  to which no claims have been asserted, in estimating the amount of  the
accrual.   ARCO's  future  costs at these sites  could  exceed  the  amount
accrued by as much as $500 million.

     Approximately  55%  of  the reserve related to sites  associated  with
ARCO's  discontinued operations, primarily mining activities in the  states
of  Montana, Utah and New Mexico.  Another significant component related to
currently and formerly owned chemical, nuclear processing, and refining and
marketing  facilities,  and other sites which received  wastes  from  these
facilities.   The  remainder related to other sites with  reserves  ranging
from  $1 million to $10 million per site.  No one site represents more than
10%  of  the total reserve.  Substantially all amounts accrued are expected
to be paid out over the next five to six years.

     Claims  for recovery of remediation costs already incurred and  to  be
incurred  in the future have been filed against various insurance companies
and other third parties.  Many of these claims have been resolved. ARCO has
neither  recorded  any asset nor reduced any liability in  connection  with
unresolved claims.

                                 - 18 -
<PAGE>

          NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - UNAUDITED


NOTE O.  Other Commitments and Contingencies (continued).

     Although  any  ultimate  liability arising from  any  of  the  matters
described herein could result in significant expenses or judgments that, if
aggregated  and  assumed to occur within a single fiscal period,  would  be
material to ARCO's results of operations, the likelihood of such occurrence
is  considered remote.  On the basis of management's best assessment of the
ultimate amount and timing of these events, such expenses or judgments  are
not  expected  to  have  a material adverse effect on  ARCO's  consolidated
financial statements.

     The operations and consolidated financial position of ARCO continue to
be  affected  from time to time in varying degrees by domestic and  foreign
political  developments as well as legislation, regulations and  litigation
pertaining  to  restrictions  on  production,  imports  and  exports,   tax
increases,  environmental regulations, cancellation of contract rights  and
expropriation  of  property.  Both the likelihood of such  occurrences  and
their overall effect on ARCO vary greatly and are not predictable.

     These  uncertainties are part of a number of items that ARCO has taken
and  will  continue  to  take  into account  in  periodically  establishing
reserves.


Note P. Subsequent Event.

     On  August  4, 1998, ARCO  announced that its wholly owned subsidiary,
Western  Midway  Company, had reached agreement with  Mobil  Exploration  &
Producing U.S. Inc. to exchange all ARCO's oil and gas producing properties
and  associated facilities in California's San Joaquin Valley  for  certain
Mobil  oil  and  gas  properties in the Gulf of Mexico.   The  exchange  is
contingent upon the completion of a due diligence period during which  each
party has certain rights to withdraw from the exchange.  The effective date
of  the transaction is July 1, 1998, with closing scheduled for October 30,
1998.  The exchange will result in a pre-tax loss in excess of $100 million
for ARCO to be charged against earnings in the third quarter of 1998.

     In a separate agreement ARCO has agreed to sell Western Midway Company
including its newly acquired Gulf of Mexico properties to Vastar  for  $470
million.   The  purchase price is subject to adjustment at  closing.   ARCO
owns an 82.2% interest in Vastar.

                                  - 19 -
<PAGE>

                  MANAGEMENT'S DISCUSSION AND ANALYSIS OF
               FINANCIAL CONDITION AND RESULTS OF OPERATIONS
                                     
                                     
Second Quarter 1998 vs. Second Quarter 1997

Consolidated Earnings

     The  earnings  decline  in 1998 primarily reflected  lower  crude  oil
prices,  partially offset by increased refined products margins  and  sales
volumes.

     The 1998 second quarter included net charges of $66 million consisting
of  the writedown of a North Sea natural gas field, partially offset  by  a
reduction in the ARCO Chemical Company restructuring reserve established in
1997.

     The 1997 second quarter included an extraordinary loss of $118 million
after  tax  related  to  early  retirement of  debt.   The  impact  of  the
extraordinary  loss was offset by the reversal of reserves  for  taxes  and
related  interest which resulted primarily from the partial  resolution  of
certain federal and state income tax audits.

     As the result of the sale of ARCO's 80 million shares of ARCO Chemical
Company ("ARCO Chemical") common stock in July 1998, the 1998 results  from
operations reflected the Chemical operations as discontinued along with the
worldwide  coal  operations discontinued in the  first  quarter  1998.   In
September 1997, ARCO disposed of its 49.9% interest in Lyondell Petrochemical
Company ("Lyondell").  The 1997 results have been restated to reflect these
operations as discontinued.


After-tax Segment Earnings
<TABLE>
<CAPTION>
                                                           1998      1997
                                                           ----      ----
                                                                  (Restated)
      (Millions)
      <S>                                                  <C>       <C>
      Exploration and production . . . . . . . . . . .     $ 17      $321
      Refining and marketing . . . . . . . . . . . . .       97        68
      Other operations . . . . . . . . . . . . . . . .       29        24
      Interest expense . . . . . . . . . . . . . . . .      (75)       (1)
      Other unallocated expenses . . . . . . . . . . .       (4)       (3)
                                                            ---       ---
        Income from continuing operations. . . . . . .       64       409
      Discontinued operations. . . . . . . . . . . . .       90        99
      Extraordinary item . . . . . . . . . . . . . . .        -      (118)
                                                            ---       ---
        Net income . . . . . . . . . . . . . . . . . .     $154      $390
                                                            ===       ===
</TABLE>
Exploration and Production

     ARCO's  earnings from worldwide oil and gas exploration and production
operations  in 1998 were significantly impacted by lower crude  oil  prices
and  to  a  much  lesser  extent a decline in crude  oil  and  natural  gas
production volumes.  Exploration expense was higher primarily as  a  result
of  the  writeoff of dryholes by Vastar Resources, Inc.  The  results  also
included  a  $75 million after-tax writedown in the value of  a  North  Sea
natural gas field following the unsuccessful resolution of a sales contract
dispute.

                                  - 20 -
<PAGE>

Average Oil and Gas Prices
<TABLE>
<CAPTION>
                                                            1998     1997
                                                            ----     ----
      <S>                                                  <C>      <C>
      U.S.
        Petroleum liquids - per barrel (bbl)
          Alaska . . . . . . . . . . . . . . . . . . . .   $ 7.58   $14.65
          Lower 48, including Vastar . . . . . . . . . .   $10.74   $16.06
          Composite average price. . . . . . . . . . . .   $ 8.71   $15.11
        Natural gas - per thousand cubic feet (mcf). . .   $ 1.92   $ 1.72

      International
        Petroleum liquids - per bbl. . . . . . . . . . .   $12.11   $17.06
        Natural gas - per mcf. . . . . . . . . . . . . .   $ 2.56   $ 2.75
</TABLE>

Petroleum Liquids and Natural Gas Production
<TABLE>
<CAPTION>
                                                            1998       1997
                                                            ----       ----
      <S>                                                <C>        <C>
      Net Production 
      U.S.
        Petroleum liquids - bbl/day
          Alaska . . . . . . . . . . . . . . . . . . . .   339,900    374,300
          Vastar . . . . . . . . . . . . . . . . . . . .    49,400     52,800
          Other Lower 48 . . . . . . . . . . . . . . . .   138,600    126,900
                                                         ---------  ---------
            Total. . . . . . . . . . . . . . . . . . . .   527,900    554,000
        Natural gas - mcf/day. . . . . . . . . . . . . . 1,120,500  1,060,100
        Barrels of oil equivalent - (BOE)/day* . . . . .   714,600    730,700

      International
        Petroleum liquids - bbl/day. . . . . . . . . . .    82,100     79,100
        Natural gas - mcf/day. . . . . . . . . . . . . .   647,800    855,400
        BOE/day. . . . . . . . . . . . . . . . . . . . .   190,100    221,700

        Total net production - BOE/day . . . . . . . . .   904,700    952,400
      __________
      * Natural gas converted at the ratio of 6 mcf to 1 barrel of liquid.
</TABLE>
     The  decline  in U.S. petroleum liquids production reflected a  26,600
barrel-per-day  decrease in Prudhoe Bay production  due  to  natural  field
decline.   Increased production from the addition (effective July 1,  1997)
of  the  Ashtart field in Tunisia and from the Rhourde El Baguel  field  in
Algeria  were partially offset by declines in Indonesian and United Kingdom
production.

     The  decline  in  international natural gas volumes in 1998  reflected
reduced  gas takes in the United Kingdom as a result of the timing  of  gas
takes, reduced gas takes in Indonesia because of the economic downturn there
and reduced gas takes in China as a result of customer operating  problems.
Production  from  the  United  Kingdom  natural  gas  fields  decreased  by
approximately  80  million  cubic  feet  per  day,  while  production  from
Indonesian  gas fields and the South China Sea natural gas field  decreased
by   approximately  68  million  and  58  million  cubic  feet   per   day,
respectively.

                                 - 21 -
<PAGE>

Refining and Marketing

     The  higher  earnings in 1998 resulted from higher margins and  a  14%
increase in gasoline sales volumes.  While West Coast gasoline prices  were
lower  than in 1997, margins improved because of falling crude oil  prices.
The increased gasoline sales volumes reflected the full integration of over
200  former  Thrifty  Oil Co. gas stations into ARCO's retail  network  and
increased volumes at ARCO's retail outlets.  The decline in jet fuel  sales
reflected  ARCO's  decision to reduce its sales of  jet  fuel  in  Northern
California.


West Coast Petroleum Products Sales
<TABLE>
<CAPTION>
                                                          1998      1997
                                                          ----      ----
  <S>                                                    <C>       <C>
  Volumes (Barrels/day)                      

  Gasoline. . . . . . . . . . . . . . . . . . . . . .    313,900   275,800
  Jet . . . . . . . . . . . . . . . . . . . . . . . .    111,800   122,400
  Distillate. . . . . . . . . . . . . . . . . . . . .     78,100    78,100
  Other . . . . . . . . . . . . . . . . . . . . . . .     89,600    75,100
                                                         -------   -------
  Total . . . . . . . . . . . . . . . . . . . . . . .    593,400   551,400
                                                         =======   =======
</TABLE>
Other Operations

     The 1998 and 1997 results included earnings from Lower 48 pipeline and
aluminum  operations.   The  increase in 1998 earnings  reflected  improved
pipeline  operations resulting from higher revenues and successful  efforts
at cost reduction.


Discontinued Operations

     After-tax earnings from discontinued operations totaled $90 million in
the 1998 second quarter, comprised of earnings from ARCO's interest in ARCO
Chemical  Company.   The  1998  second  quarter  results  for  discontinued
included  no  income  from coal operations.  Although  cash  proceeds  were
received,  the  sale of U.S. coal assets will not be recognized  in  income
until disposition of the Company's Australian coal assets is completed  and
the ultimate gain, if any, on disposition can be determined.

     In the 1997 second quarter ARCO's worldwide coal operations earned $24
million after tax while the Company's interest in ARCO Chemical earned  $29
million.  The 1997 discontinued operations included earnings of $46 million
from ARCO's equity interest in Lyondell, which was disposed of in the third
quarter of 1997.

                                 - 22 -
<PAGE>

Consolidated Revenues
<TABLE>
<CAPTION>
                                                           1998     1997
                                                           ----     ----
                                                                 (Restated)
     (Millions)
     <S>                                                  <C>      <C>
     Sales and other operating revenues
       Exploration and production . . . . . . . . . . .   $1,368   $2,399
       Refining and marketing . . . . . . . . . . . . .    1,432    1,631
       Other. . . . . . . . . . . . . . . . . . . . . .       53       55
       Intersegment eliminations. . . . . . . . . . . .     (289)    (551)
                                                           -----    -----
         Total. . . . . . . . . . . . . . . . . . . . .   $2,564   $3,534
                                                           =====    =====
</TABLE>
     The  decline  in  exploration  and production sales revenues  resulted
primarily from lower petroleum liquids prices and lower natural gas and crude
oil marketing  activity.  Effective September 1, 1997, Vastar Resources, Inc.
("Vastar") contributed the majority of its natural gas marketing operations
to a joint venture with the Southern Company.  Primarily, as a result of the
transfer of those operations,  total natural gas sales volumes decreased to
2.3  billion  cubic  feet per day in the 1998 second quarter, down from 3.8
billion cubic feet per day in the 1997 second quarter.

     Refining  and marketing sales revenues primarily decreased because  of
lower  refined products prices, partially offset by higher refined products
volumes.

     The decrease in 1998 other revenues primarily reflected the absence of
revenue from the termination of a lease agreement in the second quarter  of
1998.


Consolidated Expenses

     Trade  purchases  were lower primarily as a result of lower crude  oil
prices  and decreased natural gas marketing activity.  Natural gas purchase
volumes  decreased  to .5  billion cubic feet per day in  the  1998  second
quarter,  down  from  2.0  billion cubic feet per day in  the  1997  second
quarter.

     Operating  expenses  were  lower  in 1998 primarily  in  oil  and  gas
operations, reflecting decreased natural gas marketing activity  and  other
cost reductions.

     The increased depreciation, depletion and amortization expense in 1998
includes a $110 million pre-tax writedown of a North Sea natural gas field.

     The  lower  taxes  other than income taxes in 1998 primarily  resulted
from the impact of lower crude oil prices on U.S. production taxes.

     The  higher  interest  expense in 1998 reflected the  absence  of  the
reversal  of  reserves for tax-related interest in the  second  quarter  of
1997.


Income Taxes

     The Company had a net tax benefit of $37 million in  the 1998  second
quarter,  compared to a tax provision of $212 in the 1997  second  quarter.
The tax benefit in 1998 primarily reflected that the Company had an increase
in the net effect of affiliate stock transactions and slightly increased tax
credits, while income before incomes taxes decreased 95% in the second
quarter of 1998.


                                 - 23 -

<PAGE>


Six-Month Period Ended June 30, 1998 vs. Same Six-Month Period 1997

Consolidated Earnings

     The  earnings  decline  in  the  first six months  of  1998  primarily
reflected  lower  crude  oil prices and lower crude  oil  and  natural  gas
volumes.


After-tax Segment Earnings
<TABLE>
<CAPTION>
                                                           1998      1997
                                                           ----      ----
                                                                  (Restated)
        (Millions)
        <S>                                                <C>       <C>       
        Exploration and production . . . . . . . . . . .   $199      $773
        Refining and marketing . . . . . . . . . . . . .    116       114
        Other operations . . . . . . . . . . . . . . . .     53        37
        Interest expense . . . . . . . . . . . . . . . .   (144)      (98)
        Other unallocated expenses . . . . . . . . . . .    (26)      (26)
                                                            ---       ---
        Income from continuing operations. . . . . . . .    198       800
        Discontinued operations. . . . . . . . . . . . .    176       191
        Extraordinary item . . . . . . . . . . . . . . .      -      (118)
                                                            ---       ---
          Net income . . . . . . . . . . . . . . . . . .   $374      $873
                                                            ===       ===
</TABLE>
Consolidated Revenues
<TABLE>
<CAPTION>
                                                           1998      1997
                                                           ----      ----
                                                                  (Restated)
        (Millions)
        <S>                                                <C>      <C>
        Sales and other operating revenues
          Exploration and production . . . . . . . . . . . $2,906   $5,246
          Refining and marketing . . . . . . . . . . . . .  2,784    3,323
          Other. . . . . . . . . . . . . . . . . . . . . .     95      101
          Intersegment eliminations. . . . . . . . . . . .   (685)  (1,244)
                                                            -----    -----
            Total. . . . . . . . . . . . . . . . . . . . . $5,100   $7,426
                                                            =====    =====
</TABLE>
     The decline in exploration and production sales revenues for the first
six  months of 1998 resulted primarily from lower petroleum liquids  prices
and  natural  gas marketing activity.  Effective September 1, 1997,  Vastar
contributed the majority of its natural gas marketing operations to a joint
venture with the Southern Company.  Primarily, as a result of the transfer of
those operations, total natural gas sales volumes decreased to 2.3 billion
cubic feet per day for the first six months of 1998, down from 4.3 billion
cubic feet per day for the same period in 1997.

     For the first six months of 1998 refining and marketing sales revenues
primarily  decreased  because of lower refined products  prices,  partially
offset by higher refined products volumes.

                                  - 24 -
<PAGE>


Consolidated Expenses

     Trade  purchases  for the six months ended June 30,  1998  were  lower
primarily  as a result of lower crude oil prices and decreased natural  gas
marketing  activity.  Natural gas purchase volumes decreased to .5  billion
cubic feet per day in 1998, down from 2.4 billion cubic feet per day in the
same period in 1997.

     Operating  expenses were lower during the first half of 1998 primarily
in  oil  and  gas  operations, reflecting decreased natural  gas  marketing
activity and other cost reductions.

     The increased depreciation, depletion and amortization expense in 1998
includes a $110 million pre-tax writedown of a North Sea natural gas field.

     The  higher  exploration  expense for the first  six  months  of  1998
reflected  increased  geological and geophysical  and  dryhole  expense  in
international operations and higher dryhole expense at Vastar in the second
quarter of 1998.

     The  lower  taxes  other than income taxes in 1998 primarily  resulted
from the impact of lower crude oil prices on U.S. production taxes.

     For  the  six months ended June 30, 1998, the higher interest  expense
reflected the absence of the reversal of reserves for tax-related  interest
in  the second quarter of 1997.  Excluding the prior year reserve reversal,
interest  expense was down almost $75 million in the first  six  months  of
1998 as a result of debt retirements and capitalized interest in 1997.


Income Taxes

     The  Company's effective tax rate was 4.5% for the first six months of
1998,  compared to 33.3% for the same period in 1997.  The lower  effective
tax  rate  in 1998 primarily reflected that the Company had an increase in
the net effect of affiliate stock transactions and increased tax credits,
while income before income taxes decreased 82% in the 1998 period.


Average Oil and Gas Prices
<TABLE>
<CAPTION>
                                                         Six Months Ended
                                                             June 30,
                                                         ----------------
                                                         1998        1997
                                                         ----        ----
      <S>                                               <C>         <C>
      U.S.
        Petroleum liquids - per bbl
          Alaska  . . . . . . . . . . . . . . . . . . . $ 8.95      $16.36 
          Lower 48, including Vastar. . . . . . . . . . $11.71      $17.65
          Composite average price . . . . . . . . . . . $ 9.92      $16.77
        Natural gas - per mcf . . . . . . . . . . . . . $ 1.91      $ 2.03

      International
        Petroleum liquids - per bbl . . . . . . . . . . $12.35      $19.00
        Natural gas - per mcf . . . . . . . . . . . . . $ 2.63      $ 2.70
</TABLE>
                                  - 25 -

<PAGE>

Petroleum Liquids and Natural Gas Production
<TABLE>
<CAPTION>
                                                          1998       1997 
                                                          ----       ----
      <S>                                              <C>        <C> 
      Net Production                             
      U.S.
        Petroleum liquids - bbl/day
          Alaska . . . . . . . . . . . . . . . . . . .   351,900    386,600
          Vastar . . . . . . . . . . . . . . . . . . .    50,500     51,900
          Other Lower 48 . . . . . . . . . . . . . . .   139,600    125,800
            Total. . . . . . . . . . . . . . . . . . .   542,000    564,300

        Natural gas - mcf/day. . . . . . . . . . . . . 1,106,100  1,054,600
        Barrels of oil equivalent - (BOE)/day* . . . .   726,400    740,100

      International
        Petroleum liquids - bbl/day. . . . . . . . . .    84,100     74,900
        Natural gas - mcf/day. . . . . . . . . . . . .   747,200    867,000
        BOE/day. . . . . . . . . . . . . . . . . . . .   208,600    219,400

        Total net production - BOE/day . . . . . . . .   935,000    959,500
      __________
      * Natural gas converted at the ratio of 6 mcf to 1 barrel of liquid.
</TABLE>

Liquidity and Capital Resources
<TABLE>
<CAPTION>
                                                               1998
                                                               ----
       (Millions)                                               
       <S>                                                    <C>
       Cash flow provided (used) by:
       Operations. . . . . . . . . . . . . . . . . . . . .    $   654
       Investing activities. . . . . . . . . . . . . . . .    $(3,182)
       Financing activities. . . . . . . . . . . . . . . .    $ 2,483
</TABLE>

     The net cash used by investing activities in the first six months of
1998 included expenditures for the purchase of Union Texas Petroleum for
$2.6 billion and additions to fixed assets of $1.6 billion, offset by
proceeds from asset sales, primarily U.S. coal assets, of $1.1 billion.

     The net cash provided by financing activities in the first six months
of 1998 primarily included an increase of $2.9 billion in the Company's
short-term debt position offset by dividend payments of $459 million. 

     Cash  and  cash  equivalents and short-term investments  totaled  $728
million,  short-term borrowings were $4.4 billion and  long-term  debt  due
within one year was $102 million at the end of the second quarter of 1998.

     As  a  result  of the increased use of short-term borrowing, primarily
for the purchase of UTP in the second quarter of 1998, the Company is in  a
working capital deficit position of approximately $4.1 billion at June  30,
1998.   On  July 28, 1998, ARCO received $4.6 billion for the ARCO Chemical
shares  it tendered to Lyondell and expects to recognize an after-tax  gain
of  approximately $1.3 billion in the third quarter of 1998. It is expected
that future cash requirements for working capital, capital expenditures,
dividends and debt repayments will come from cash generated from operating
activities, existing cash balances, and future financings.

                                 - 26 -
<PAGE>


Statements of Financial Accounting Standards Not Yet Adopted

     In March 1998, the American Institute of Certified Public Accountants
issued Statement of Position ("SOP") 98-1, "Accounting for the Costs of
Computer Software Developed or Obtained for Internal Use."  SOP 98-1 is
effective for financial statements for fiscal years beginning after
December 15, 1998.  SOP 98-1 establishes criteria for determining which
costs of developing or obtaining internal-use computer software should be
charged to expense and which should be capitalized.  The Company has not
yet completed evaluating the impact of the provisions of SOP 98-1.

     In  June  1998,  the  Financial  Accounting  Standards  Board  issued
Statement  of Financial Accounting Standards ("SFAS") No. 133,  "Accounting
for  Derivative Instruments and Hedging Activities".  SFAS No. 133 requires
companies  to  adopt its provisions for all fiscal quarters of  all  fiscal
years  beginning after June 15, 1999.  Earlier application of  all  of  the
provisions  of  SFAS No. 133 is permitted, but the provisions  cannot  be
applied  retroactively  to financial statements  of  prior  periods.   SFAS
standardizes the accounting for derivative instruments by requiring that an
entity  recognize those items as assets or liabilities in the statement  of
financial position and measure them at fair value.  The Company has not yet
completed evaluating the impact of the provisions of SFAS No. 133.

                      _______________________________


     Management  cautions  against projecting any future results  based  on
present  earnings levels because of economic uncertainties, the extent  and
form  of  existing  or future governmental regulations and  other  possible
actions by governments.
                                     
                                   - 27 -
<PAGE>
                                    
                        PART II.  OTHER INFORMATION


Item 1.  Legal Proceedings.

1.   Reference is made to the disclosure on page 12 of the Company's Annual
Report on Form 10-K for the year ended December 31, 1997 (hereinafter,  the
"1997  Form 10-K Report") and on page 21 of the Company's Quarterly  Report
on  Form 10-Q for the quarter ended March 31, 1998 (the "First Quarter Form
10-Q  Report")  regarding Montana v. ARCO, ex rel. (Case No. CV-83-317-HLN-
PGH).   On  June  19,  1998, ARCO and the State lodged  with  the  court  a
conditional consent decree to settle for $135 million all but a portion  of
the  State's Natural Resource Damage ("NRD") claims.  The NRD claims of the
State  not  settled are for restoration at three sites for  which  a  final
cleanup  plan has not been ordered.  As part of the settlement,  ARCO  also
will  pay  $80  million in settlement of its liability for cleanup  at  the
Stream Side Tailings Operable Unit ("SSTOU") in the Clark Fork Basin.   The
State  NRD settlement is conditioned upon ARCO, the United States, and  the
Confederated  Salish  and  Kootenai  Tribes  of  the  Flathead  Reservation
finalizing an agreement providing for the SSTOU cleanup and settling United
States and Tribal NRD claims and upon court approval of these agreements.

2.   Reference  is made to the disclosure on page 12 of the Company's  1997
Form 10-K Report regarding the case of U.S. v. ARCO, et al. (Case No. CV-89-
039-BU-PGH).   Litigation  is  proceeding on  both  EPA's  claims  (in  the
approximate amount of $90 million) and ARCO's counterclaims against various
federal  agencies.  The proposed settlements in Montana v. ARCO,  described
above,  will resolve some, but not all, of the claims and counterclaims  in
U.S. v. ARCO.

3.   Reference  is made to the disclosure on page 14 of the Company's  1997
Form  10-K  Report regarding Siemens Solar Industries v. Atlantic Richfield
Company (Case No. 94-109092).  On June 10, 1998, the Appellate Division  of
the  Supreme Court affirmed summary judgment.  Siemens has filed  a  motion
for leave to appeal to the New York Court of Appeals.

4.   On  April  20,  1998, ARCO  received a Finding of Violation  from  EPA
Region IX for alleged violations at the Los Angeles Refinery of the federal
New Source Performance Standards established for refineries under the Clean
Air Act.  These standards limit emissions from affected fuel gas combustion
devices and Claus sulfur recovery plants.  EPA alleges the facility was  in
noncompliance for approximately 65 days in 1997.  EPA has the authority  to
seek  penalties of up to $27,500 per day.  Settlement discussions with  EPA
are ongoing.  

5.   On May 6, 1998, two purported class actions were filed in the Court of
Chancery  of the State of Delaware in New Castle County, Squyres v.  Barry,
et  al.  (Case No. 16357NC) and McMullen v. Union Texas Petroleum,  et  al.
(Case   No.  16358NC),  against  Union  Texas  Petroleum  Company  ("UTP"),
individual  directors of UTP, Kohlberg Kravis Roberts and Co. ("KKR"),  and
ARCO relating to ARCO's acquisition and merger of UTP.  On July 28, 1998, a
purported  class action was filed in the United States District  Court  for
the  Central District of California, Squyres v. Whitmire, et al. (Case  No.
98-6085), against the same defendants, except ARCO.  The suits are  brought
by  individual shareholders of UTP on behalf of all holders of  UTP  common
stock  and  seek rescission of the transaction, damages for  the  allegedly
inadequate  consideration  being paid by  ARCO  for  the  UTP  shares,  and
attorneys' fees and costs.  In the Delaware actions, the plaintiffs  assert
that  the  individual  director  defendants  and  KKR,  as   UTP's  largest
shareholder, breached fiduciary duties to other shareholders and that  ARCO
aided and abetted the alleged breach of duty.  In the California case,  the
plaintiffs allege that the defendants violated the Securities Exchange  Act
of 1934.

                                   - 28 -
<PAGE>

Item 1.  Legal Proceedings (continued).

6.   On  June 26, 1998, a purported class action was filed in the Court  of
Chancery of the State of Delaware in New Castle County, McMullin v.  Beran,
et  al.  (Case  No. 16493NC) against ARCO, Lyondell Petrochemical  Company,
ARCO  Chemical  Company,  and  the individual directors  of  ARCO  Chemical
relating  to  the acquisition of ARCO Chemical by Lyondell.   The  suit  is
brought  by  an  individual shareholder of ARCO Chemical on behalf  of  all
common  stockholders, other than defendants, and seeks  rescission  of  the
transaction, damages for the allegedly inadequate consideration being  paid
by  Lyondell for the shares, and attorneys' fees and costs.  The  plaintiff
alleges  that ARCO and the individual directors of ARCO Chemical,  who  are
alleged  to be dominated and controlled by ARCO, breached fiduciary  duties
to the minority shareholders.

7.   Reference  is  made  to  the  Company's  1997  Form  10-K  Report  for
information on other legal proceedings matters reported herein.


Item 5.  Other.

     A.  PRO FORMA FINANCIAL STATEMENTS

     The following unaudited pro forma financial statements include certain
adjustments  to the historical financial statements of the  Company.   Such
adjustments  are made to give effect to the sale of ARCO's entire  holdings
in ARCO Chemical Company ("ARCO Chemical") common stock, 80,000,001 shares,
or  an  82.1% interest in ARCO Chemical at the time of the sale,  July  28,
1998.   These adjustments reflect the elimination of ARCO Chemical balances
from  ARCO's  consolidated financial statements and  the  receipt  of  $4.6
billion in cash from the sale of ARCO Chemical common stock, as well as  an
after-tax  gain of $1.3 billion and the estimated income taxes  payable  of
$1.7 billion.

     The pro forma condensed statements of income have been prepared as  if
the  sale  of  the  shares took place as of January 1, 1997.  The pro forma
condensed balance sheet has been prepared as if the sale of the shares took
place as of June 30, 1998.

     Such pro forma financial statements are not necessarily indicative of
the  results of future operations, nor the results of historical operations
had the sale of ARCO Chemical shares taken place as of the assumed dates.

                                  - 29 -
<PAGE>
<TABLE>
<CAPTION>
         ATLANTIC RICHFIELD COMPANY AND CONSOLIDATED SUBSIDIARIES
                                (Unaudited)
                  PRO FORMA CONDENSED STATEMENT OF INCOME

                                           Year Ended December 31, 1997
                                      ----------------------------------------
                                                                   Pro Forma
                                                                  After Giving
                                                                   Effect to
(Millions except per share amounts)   Historical*   Adjustments   Adjustments
                                      -----------   -----------   ------------
<S>                                     <C>          <C>            <C>
Revenues
  Sales and other operating
   revenues . . . . . . . . . . .       $18,047      $(3,707)       $14,340
  Other revenues. . . . . . . . .           414            3            417
                                         ------       ------         ------
                                         18,461       (3,704)        14,757
                                         ------       ------         ------
Expenses
  Trade purchases . . . . . . . .         7,843       (1,438)         6,405
  Operating expenses. . . . . . .         3,958       (1,128)         2,830
  Selling, general and
   administrative expenses. . . .         1,051         (410)           641
  Depreciation, depletion and
   amortization . . . . . . . . .         1,675         (229)         1,446
  Exploration expenses (including
   undeveloped leasehold
   amortization). . . . . . . . .           508            -            508
  Taxes other than income taxes .           710          (70)           640
  Interest. . . . . . . . . . . .           422          (79)           343
  Unusual items . . . . . . . . .           242         (175)            67
                                         ------       ------         ------
                                         16,409       (3,529)        12,880
                                         ------       ------         ------
Income before income taxes,
 minority interest and
 extraordinary item . . . . . . .         2,052         (175)         1,877
Provision for taxes on income . .          (561)          58           (503)
Minority interest in earnings
 of subsidiaries. . . . . . . . .           (68)          25            (43)
                                         ------       ------         ------
Income from continuing
 operations before extraordinary
 item . . . . . . . . . . . . . .       $ 1,423      $   (92)       $ 1,331
                                         ======       ======         ======
Earned per Share
  Continuing operations - Basic
   (321.2 shares) . . . . . . . .       $  4.43       $ (.29)       $  4.14
  Continuing operations - Diluted
   (327.4 shares) . . . . . . . .       $  4.35       $ (.28)       $  4.07
____________

* As  restated  to give effect to the discontinuance of coal operations  by
  ARCO  in  the  first quarter of 1998 and the sale of ARCO's  interest  in
  Lyondell Petrochemical Company in the third quarter of 1997.
</TABLE>
                                   - 30 -

<PAGE>
<TABLE>
<CAPTION>
         ATLANTIC RICHFIELD COMPANY AND CONSOLIDATED SUBSIDIARIES
                                (Unaudited)
                  PRO FORMA CONDENSED STATEMENT OF INCOME
                                     
                                          Six Months Ended June 30, 1998
                                      ----------------------------------------
                                                                   Pro Forma
                                                                  After Giving
                                                                   Effect to
(Millions except per share amounts)   Historical*   Adjustments   Adjustments
                                      -----------   -----------   ------------
<S>                                     <C>          <C>            <C>
Revenues
 Sales and other operating
  revenues . . . . . . . . . . . . .    $ 6,898      $(1,798)       $ 5,100
 Other revenues. . . . . . . . . . .        219          (19)           200
                                         ------       ------         ------
                                          7,117       (1,817)         5,300
                                         ------       ------         ------
Expenses
 Trade purchases . . . . . . . . . .      2,713         (656)         2,057
 Operating expenses. . . . . . . . .      1,687         (593)         1,094
 Selling, general and
  administrative expenses. . . . . .        479          (94)           385
 Depreciation, depletion and
  amortization . . . . . . . . . . .        892         (104)           788
 Exploration expenses (including
  undeveloped leasehold amortization)       275            -            275
 Taxes other than income taxes . . .        315          (39)           276
 Interest. . . . . . . . . . . . . .        239          (36)           203
                                         ------       ------         ------
                                          6,600       (1,522)         5,078
                                         ------       ------         ------
Income before income taxes and 
 minority interest . . . . . . . . .        517         (295)           222
Provision for taxes on income. . . .        (97)          87            (10)
Minority interest in earnings of
 subsidiaries. . . . . . . . . . . .        (54)          40            (14)
                                         ------       ------         ------
Income from continuing operations. .    $   366      $  (168)       $   198
                                         ======       ======         ====== 
Earned per Share
 Continuing operations - Basic
  (320.8 shares) . . . . . . . . . .    $  1.13       $ (.52)       $   .61
 Continuing operations - Diluted
  (327.4 shares) . . . . . . . . . .    $  1.11       $ (.51)       $   .60
____________

* Reflects the discontinuance of coal operations by ARCO in the first quarter
  of 1998.
</TABLE>
                                     
                                   - 31 -
<PAGE>                                     
<TABLE>
<CAPTION>
                        ATLANTIC RICHFIELD COMPANY
                                (Unaudited)
                     PRO FORMA CONDENSED BALANCE SHEET
                                     
                                                  June 30, 1998
                                     ----------------------------------------
                                                                  Pro Forma
                                                                 After Giving
                                                                  Effect to
(Millions)                           Historical    Adjustments   Adjustments
                                     ----------    -----------   ------------
<S>                                   <C>            <C>           <C>
Assets
Cash, cash equivalents, and
 short-term investments . . . . . .   $   728        $4,600        $ 5,328
Accounts receivable, inventories
 and other current assets . . . . .     1,586                        1,586

Investment in Union Texas Petroleum     2,646                        2,646
Investments and long-term
 receivables. . . . . . . . . . . .     1,800                        1,800

Net property, plant and equipment .    14,308                       14,308

Net assets of discontinued
 operations . . . . . . . . . . . .     2,013        (1,600)           413
Deferred charges and other assets .     1,353                        1,353
                                       ------         -----         ------
Total assets. . . . . . . . . . . .   $24,434        $3,000        $27,434
                                       ======         =====         ======

Liabilities and Stockholders' Equity
Current liabilities . . . . . . . .   $ 6,367        $1,700        $ 8,067
Long-term debt. . . . . . . . . . .     3,679                        3,679
Deferred income taxes . . . . . . .     2,335                        2,335
Other deferred liabilities and
 credits. . . . . . . . . . . . . .     3,739                        3,739
Minority interest . . . . . . . . .       251                          251
Stockholders' equity:
 Preference stocks. . . . . . . . .         1                            1
 Common stock . . . . . . . . . . .       814                          814
 Capital in excess of par value
  of stock. . . . . . . . . . . . .       856                          856
 Retained earnings. . . . . . . . .     6,969         1,300          8,269
 Treasury stock . . . . . . . . . .      (356)                        (356)
 Accumulated other comprehensive
  income. . . . . . . . . . . . . .      (221)                        (221)
                                       ------         -----         ------
 Total stockholders' equity . . . .     8,063         1,300          9,363
                                       ------         -----         ------
Total liabilities and
 stockholders' equity . . . . . . .   $24,434        $3,000        $27,434
                                       ======         =====         ======
</TABLE>
                                  - 32 -
<PAGE>

Item 5.  Other (continued)

     B.  TIMELY SUBMISSION OF SHAREHOLDER PROPOSALS

     The  Securities and Exchange Commission ("SEC") requires a registrant
to  give  shareholders notice of deadlines for timely submission of certain
types of shareholder proposals that shareholders wish to present for a vote
at a registrant's annual meeting.  These deadlines are set based on certain
SEC  rules  as  they  relate to the registrant's annual  meeting  date  and
relevant provisions of its articles and by-laws.  Set forth below  are  the
deadlines applicable to ARCO shareholders.  ARCO's Board has not yet  acted
to set the annual meeting date; the following dates are based on an assumed
meeting date of May 3, 1999 for ARCO's 1999 Annual Meeting.

     The  deadline for submission by shareholders of proposals (other than
for  the nomination of a director) they wish included in ARCO's 1999  proxy
statement  is  November  16, 1998.  If a shareholder  wishes  to  submit  a
nomination for director, the deadline is January 4, 1999.

     In the event a shareholder does not notify ARCO by January 29, 1999 of
an intent to be present at the 1999 Annual Meeting in order  to  present  a
proposal  for  a  vote  (other than a proposal  for  the  nomination  of  a
director),  the  Company will have the right to exercise its  discretionary
authority to vote against the proposal, if presented, without including any
information about the proposal in its proxy materials.


Item 6.  Exhibits and Reports on Form 8-K

     (a) Exhibits.

         27  Financial Data Schedule.

     (b) Reports on Form 8-K

         The following Current Reports on Form 8-K were filed during
         the quarter ended June 30, 1998 and through the date hereof.

         Date of Report          Item No.          Financial Statements
         --------------          --------          --------------------
          June 3, 1998               5                     None
          June 18, 1998              5                     None
          June 29, 1998              5                     None


                                  - 33 -

<PAGE>

                                 SIGNATURE


     Pursuant  to the requirements of the Securities Exchange Act of  1934,
the  registrant has duly caused this report to be signed on its  behalf  by
the undersigned thereunto duly authorized.

                                             ATLANTIC RICHFIELD COMPANY
                                                    (Registrant)


                                               /s/ ALLAN L. COMSTOCK
Dated:  August 7, 1998                     ________________________________
                                                     (signature)
                                                  Allan  L. Comstock
                                            Vice  President and Controller
                                             (Duly Authorized Officer and
                                             Principal Accounting Officer)

                                   - 34 -


<TABLE> <S> <C>

<ARTICLE>         5
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Statement of Income and the Consolidated Balance Sheet and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>      1,000,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                         $   513
<SECURITIES>                                       215
<RECEIVABLES>                                      840
<ALLOWANCES>                                         0
<INVENTORY>                                        451
<CURRENT-ASSETS>                                 2,314
<PP&E>                                          32,802
<DEPRECIATION>                                  18,494
<TOTAL-ASSETS>                                  24,434
<CURRENT-LIABILITIES>                            6,367
<BONDS>                                          3,679
                                0
                                          1
<COMMON>                                           814
<OTHER-SE>                                       7,248
<TOTAL-LIABILITY-AND-EQUITY>                    24,434
<SALES>                                          5,100
<TOTAL-REVENUES>                                 5,300
<CGS>                                            4,215
<TOTAL-COSTS>                                    4,490
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 203
<INCOME-PRETAX>                                    222
<INCOME-TAX>                                        10
<INCOME-CONTINUING>                                198
<DISCONTINUED>                                     176
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       374
<EPS-PRIMARY>                                    $1.16
<EPS-DILUTED>                                    $1.14
        

</TABLE>


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