ATLANTIC RICHFIELD CO /DE
S-3/A, 1999-03-11
PETROLEUM REFINING
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<PAGE>
 
   
As filed with the Securities and Exchange Commission on March 10, 1999 and
declared effective on       , 1999.     
                                                   
                                                Registration No. 333-71293     
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
 
                                ---------------
                         
                      PRE-EFFECTIVE AMENDMENT NO. 1     
                                       
                                    to     
                                   Form S-3
                            REGISTRATION STATEMENT
                                     under
                          THE SECURITIES ACT OF 1933
 
                                ---------------
 
                          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
                                 213-486-3511
         (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)
 
                            BRUCE G. WHITMORE, Esq.
                              Corporate Secretary
                          Atlantic Richfield Company
                            515 South Flower Street
                         Los Angeles, California 90071
                                 213-486-1774
           (Name, address, including zip code, and telephone number,
                  including area code, of agent for service)
 
                         Copies of Communications to:
 
                              DIANE A. WARD, Esq.
                        Counsel -- Securities & Finance
                          Atlantic Richfield Company
                            515 South Flower Street
                         Los Angeles, California 90071
                                 213-486-2808
 
                                ---------------
 
       Approximate date of commencement of proposed sale to the public:
 From time to time after the effective date of this registration statement as
                       determined by market conditions.
 
                                ---------------
 
  If the only securities being registered on this Form are being offered
pursuant to dividend or interest reinvestment plans, please check the
following box. [_]
  If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, other than securities offered only in connection with dividend or
interest reinvestment plans, please check the following box. [X]
  If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following
box and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering. [_]
  If this form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earlier effective registration statement
for the same offering. [_]
  If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]
       
  The registrant hereby amends this registration statement on such date or
dates as may be necessary to delay its effective date until the registrant
shall file a further amendment which specifically states that this
registration statement shall thereafter become effective in accordance with
Section 8(a) of the Securities Act of 1933 or until the registration statement
shall become effective on such date as the Commission, acting pursuant to said
Section 8(a), may determine.
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>
 
                   
                Subject to completion, dated March 10, 1999     
 
PROSPECTUS
 
 
Atlantic Richfield Company
515 South Flower Street
Los Angeles, California 90071
(213) 486-3511
 
Debt Securities
   
  ARCO may periodically issue debt           . represented by certificates or
securities on terms determined by              in book-entry form; and
market conditions at the time of
sale. The debt securities will be
general unsecured obligations of
ARCO. ARCO may issue debt securities
in one or more series:     
                                                
                                             . subject to redemption, exchange
                                               or conversion rights by the
                                               holder or ARCO.     
 
 
                                             The debt securities may be sold:
  . in various amounts up to
    $1,500,000,000;     
                                                
  . with various maturity dates and          . directly by ARCO;     
    interest payment dates;
                                                
                                             . through agents selected by
                                               ARCO, or     
     
  . at fixed, market or negotiated
    prices;     
 
                                             . through underwriters acting
                                               alone or as part of an 
                                               underwriting syndicate.
 
  . at par value, at a premium to
    par or with an original issue
    discount;
 
  . for U.S. dollars or foreign 
    currencies;
 
 
 This prospectus may be used to offer and sell debt securities only if ac-
 companied by a prospectus supplement.
    
 The prospectus supplement will include the specific terms of the offering,
 the names of the agents and underwriters, if any, the amount they are to
 be paid and the amount of net proceeds to ARCO.     
       
   
  Prospective buyers should read the section captioned "Forward-Looking State-
ments on page 4.     
   
  These securities have not been approved by the SEC or any state securities
commission, nor have these organizations determined that this prospectus is ac-
curate or complete. Any representation to the contrary is a criminal offense.
    
   
  The information in this prospectus is not complete and may be changed. ARCO
may not sell these securities until the registration statement filed with the
Securities and Exchange Commission is effective. This prospectus is not an of-
fer to sell these securities and it is not soliciting an offer to buy these se-
curities in any state where the offer or sale is not permitted.     
 
The date of this Prospectus is         , 1999.
<PAGE>
 
                               TABLE OF CONTENTS
 
<TABLE>   
<CAPTION>
                                                                            Page
                                                                            ----
   <S>                                                                      <C>
                                  Prospectus
   About This Prospectus................................................... 3
   Where You Can Find More Information..................................... 3
   Forward-Looking Statements.............................................. 4
   About ARCO.............................................................. 4
   Use of Proceeds......................................................... 4
   Ratio of Earnings to Fixed Charges...................................... 5
   Description of Debt Securities.......................................... 5
   Plan of Distribution.................................................... 11
   Experts................................................................. 12
   Legal Opinion........................................................... 12
</TABLE>    
 
                                       2
<PAGE>
 
 
                             ABOUT THIS PROSPECTUS
   
This prospectus is part of a registration statement that ARCO has filed with
the SEC utilizing a "shelf" registration process. Under this shelf process,
ARCO may sell any combination of the debt securities described in this pro-
spectus in one or more offerings up to a total dollar amount of $1,500,000,000.
This prospectus provides you with a general description of the debt securities
ARCO may offer. Each time ARCO sells securities, ARCO will provide a prospectus
supplement that will contain specific information about the terms of that of-
fering. The prospectus supplement may also add, update or change information
contained in this prospectus. You should read this prospectus and any
prospectus supplement, together with additional information described under the
heading "Where You Can Find More Information."     
 
                      WHERE YOU CAN FIND MORE INFORMATION
   
ARCO files annual, quarterly and special reports, proxy statements and other
information with the SEC. These SEC filings are available to the public over
the internet at the SEC's web site at http://www.sec.gov. You may also read and
copy any document ARCO files at the SEC's public reference rooms in Washington,
D.C., New York, New York and Chicago, Illinois. Please call the SEC at 1-800-
SEC-0330 for further information on the public reference rooms.     
 
The SEC allows public companies to "incorporate by reference" the information
filed with the SEC, which permits companies to disclose important information
to investors and shareholders by referring them to those documents that a com-
pany has incorporated by reference.
 
The information incorporated by reference is an important part of this prospec-
tus, and information that ARCO files with the SEC after the date of this pro-
spectus will automatically update and supersede this information. ARCO incorpo-
rates by reference the following documents and any future filings with the SEC
under Section 13(a), 13(c), 14, or 15(d) of the Securities Exchange Act of 1934
until ARCO sells all $1,500,000,000 of the debt securities (ARCO's file number
with the SEC is No. 1-1196):
   
 . Annual Report on Form 10-K for the year ended December 31, 1998.     
       
The debt securities will be governed by one of two almost identical indentures.
   
The specific indenture will be identified in the prospectus supplement. Both
indentures are filed as exhibits to this registration statement (File No. 333-
71293) and incorporated by reference in this prospectus:     
 
 . Indenture dated as of May 15, 1985 between ARCO and The Chase Manhattan Bank,
  N.A., as trustee.
 
 . Indenture dated as of January 1, 1992 between ARCO and The Bank of New York,
  as trustee.
   
You may read and copy these documents using the internet by accessing our web
site at http://www.arco.com.     
   
You may also request a paper copy of these filings at no cost, by writing or
telephoning ARCO at the following address:     
 
 Felicia Werts
 Securities Regulation Coordinator
 Atlantic Richfield Company
 515 South Flower Street
 Los Angeles, California 90071
 (Telephone: 213-486-1450).
   
You should rely only on the information incorporated by reference or provided
in this prospectus or any prospectus supplement. ARCO is not making an offer of
these debt securities in any state where the offer is not permitted. You should
not assume that the information in this prospectus or any prospectus supplement
is accurate as of any date other than the date on the front of those documents.
    
                                       3
<PAGE>
 
                          FORWARD-LOOKING STATEMENTS
 
ARCO makes statements in this prospectus and the documents incorporated by
reference that are considered forward-looking statements within the meaning of
the Securities Act of 1933 and the Securities Exchange Act of 1934. Sometimes
these statements will contain words such as "believes," "expects," "intends,"
"plans" and other similar words. These statements are not guarantees of ARCO's
future performance and are subject to risks, uncertainties and other important
factors that could cause our actual performance or achievements to be materi-
ally different from those we may project. These risks, uncertainties and fac-
tors include:
 
  . Worldwide general economic, business and regulatory conditions
 
  . The effect of crude oil and natural gas supply and demand on prices for
    these commodities
 
  . The effect of local political and economic conditions on ARCO's oil and
    gas exploration, development and production projects throughout the
    world
 
  . The effect of continued low crude oil prices on ARCO's ability to eco-
    nomically produce its existing reserves
 
  . ARCO's ability to realize before tax cost savings of $350 million in
    1999 and $500 million in 2000 as a result of its global cost reduction
    program and to realize its proposed reductions in capital expenditures
   
Given these uncertainties, you should not place undue reliance on these
forward-looking statements. You should read the description found under the
caption "Safe Harbor for Forward-Looking Statements" in the 1998 10-K. These
forward-looking statements represent ARCO's estimates and assumptions only as
of the date of this prospectus.     
                                   
                                ABOUT ARCO     
   
ARCO began operations in 1866 as the Atlantic Petroleum Storage Company. In
1966 Richfield Oil Corporation was merged into the Company. Sinclair Oil Cor-
poration was merged into ARCO in 1969. The Anaconda Company was acquired by
ARCO in 1977 and was merged into ARCO in 1981. ARCO became a Delaware corpora-
tion in 1985.     
   
ARCO is a global oil and gas enterprise. Its upstream exploration and produc-
tion operations are focused in Alaska, the Gulf of Mexico (through its 82%
owned subsidiary, Vastar Resources, Inc.), China, Indonesia, the United King-
dom North Sea, North Africa and Northern South America. The Alaska oil produc-
tion is integrated with ARCO's refining and marketing operations in the West-
ern United States. These include a marine fleet, two refineries and branded
consumer marketing outlets located primarily in six Western states.     
 
                                USE OF PROCEEDS
   
ARCO was in a working capital deficit position of $3 billion at December 31,
1998 as a result of using short-term borrowings instead of issuing long-term
debt during 1997 and 1998. The net proceeds from the sale of the debt securi-
ties will be used for general corporate purposes, primarily for the replace-
ment of short-term debt with long-term debt. The proceeds may also be used for
capital expenditures, the scheduled retirement of long-term debt, and other
corporate purposes. The issuance of long-term debt under this prospectus will
not necessarily reduce or eliminate the working capital deficit. Depending on
the revenues earned and cash received during 1999 from the sale of assets,
ARCO may increase total indebtedness during the remainder of the year. For
current information on ARCO's commercial paper balances and average interest
rate, see our most recent Form 10-K. See "Where You Can Find More Informa-
tion."     
 
                                       4
<PAGE>
 
 
                      RATIO OF EARNINGS TO FIXED CHARGES
 
The ratio of earnings to fixed charges for the five years ended December 31,
1998:
 
                            Year ended December 31,
- -------------------------------------------------------------------------------
<TABLE>   
<CAPTION>
1998       1997 1996 1995 1994
- ----       ---- ---- ---- ----
<S>        <C>  <C>  <C>  <C>
(1.35)(a)  4.29 4.27 2.42 1.94
</TABLE>    
 
The ratios of earnings to fixed charges were computed by dividing earnings
(deficit) by fixed charges. For this purpose, earnings include income from
continuing operations before income taxes, minority interest and fixed
charges. Fixed charges include interest, amortization of debt expense and the
estimated interest component of rentals.
- ---------
 
(a) In 1998, the negative ratio indicates a less than one-to-one earnings cov-
erage of fixed charges. Fixed charges of $599 million combined with an earn-
ings deficit of $809 million per the ratio of earnings to fixed charges calcu-
lation resulted in a $1.4 billion deficiency in a one-to-one earnings coverage
of fixed charges in 1998. The deficiency includes a before tax net charge of
approximately $1.35 billion for asset writedowns, restructuring costs and a
tax refund in the fourth quarter of 1998.
 
                        DESCRIPTION OF DEBT SECURITIES
 
The debt securities will be issued under one of two almost identical inden-
tures:
   
 . Indenture dated as of May 15, 1985 between ARCO and The Chase Manhattan
  Bank, N.A., as trustee; or     
   
 . Indenture dated as of January 1, 1992 between ARCO and The Bank of New York,
  as trustee.     
       
       
The following description of the debt securities sets forth certain general
terms and provisions of the debt securities to which this prospectus and any
prospectus supplement may relate. The particular terms of any series of debt
securities and the extent to which the general provisions may apply to a par-
ticular series of debt securities will be described in a prospectus supplement
relating to that series.
   
ARCO has summarized selected provisions of the indentures below. The summary
is not complete. The indentures have been filed as exhibits to this registra-
tion statement and you should read the indentures for provisions that may be
important to you. Capitalized terms used in the summary have the meanings
specified in the indentures.     
       
Because we have included only a summary of the indenture terms, you must read
the indenture in full to understand every detail of the terms of the debt se-
curities. If you would like to read the entire indenture, see "Where You Can
Find More Information."
   
General     
   
The indenture does not limit the aggregate principal amount of debt securities
that ARCO can issue. The indenture provides for the issuance of debt securi-
ties in one or more series, in an aggregate principal amount authorized by the
board of directors prior to issuance. All securities issued under the inden-
ture will be general unsecured obligations of ARCO and will rank equally with
all of ARCO's other unsecured and unsubordinated outstanding indebtedness. The
indenture does not limit the amount of other unsecured indebtedness or securi-
ties that ARCO may issue.     
   
Unless otherwise indicated in a prospectus supplement, the debt securities
will not benefit from any covenant or other provision that would afford hold-
ers special protection in the event of a highly leveraged transaction involv-
ing ARCO, except for any protection provided by the provisions described below
under "Limitation on Liens" and "Limitations on Sale and Leaseback Transac-
tions." No service charge will be made for any registration of transfer or ex-
change of the debt securities, but ARCO may require the holder to pay any ap-
plicable tax or other governmental charge.      
 
                                       5
<PAGE>
 
   
Prospectus Supplement     
   
Each prospectus supplement will identify the indenture and the trustee for
that particular series of debt securities. The terms "trustee" and "indenture"
are used in this prospectus to refer to the particular trustee and indenture
identified in the prospectus supplement for each series of debt securities.
    
       
          
Each prospectus supplement will include some or all of the following specific
terms:     
 
 . the designation of such debt securities;
 
 . any limit upon the aggregate principal amount and currency or currency unit
  of such debt securities;
 
 . the denominations in which such debt securities are authorized to be issued
  if other than $1,000;
 
 . the percentage of their principal amount at which such debt securities will
  be issued;
 
 . the date on which such debt securities will mature;
 
 . if the debt securities are to bear interest, the rate per annum at which
  such debt securities will bear interest (or the method by which such rate
  will be determined);
 
 . the times at which such interest, if any, will be payable or the manner of
  determining the same;
 
 . the date, if any, after which such debt securities may be redeemed or pur-
  chased and the redemption or purchase price;
 
 . the sinking fund requirements, if any;
 
 . special United States federal income tax considerations, if any;
 
 . information with respect to registration, transfer and exchange and payment
  of certificates issued in certificate form, if applicable;
 
 . the manner in which the amount of any payments of principal and interest on
  the debt securities determined by reference to an index are determined; and
 
 . any other terms of the debt securities not inconsistent with the indenture.
 
The prospectus supplement may contain information with respect to additional
covenants that may be included in the terms of a series of debt securities.
       
Limitation on liens
   
The indenture provides that, so long as any debt securities issued under the
indenture are outstanding, ARCO will not permit any of its outstanding indebt-
edness to be secured by a lien on its Restricted Property unless the debt se-
curities are also secured. Nor will ARCO permit any of its Restricted Subsidi-
aries to do the same. This restriction will not apply to:     
   
(1) Liens affecting property of a business existing at the time it is acquired
    or at the time it is merged into or consolidated with ARCO or a subsidi-
    ary;     
 
(2) Liens on property existing at the time of acquisition of that property or
    incurred to secure payment of the purchase price or to secure indebtedness
    incurred prior to, at the time of, or within 24 months after the acquisi-
    tion of that property for the purpose of financing all or part of the pur-
    chase price;
   
(3) Liens on property to secure all or part of the cost of exploration, drill-
    ing or development of the property or all or part of the cost of improving
    any property or liens to secure indebtedness to provide funds for any such
    activities;     
   
(4) Liens that secure only indebtedness owing by a subsidiary of ARCO to ARCO
    or to another subsidiary of ARCO;     
 
(5) Liens to secure indebtedness incurred in connection with pollution control
    or
 
                                       6
<PAGE>
 
      
   abatement facilities or other forms of industrial revenue bond financing
   and liens to government entities; and     
   
(6) any extension, renewal or replacement of any lien referred to in clauses
    (1) through (5) above.     
   
ARCO and any one or more of its Restricted Subsidiaries may, without securing
the debt securities, issue, assume or guarantee indebtedness secured by a lien
which would otherwise be subject to the lien restrictions. The aggregate prin-
cipal amount of this indebtedness, together with all other indebtedness of
ARCO and its Restricted Subsidiaries, may not exceed 10% of consolidated net
tangible assets of ARCO and its consolidated subsidiaries. Under the inden-
ture, the following types of transactions will not be deemed to create indebt-
edness secured by liens:     
   
(1) the sale or other transfer of oil, gas or other minerals in place for a
    period of time until, or in an amount such that, the transferee will real-
    ize a specified amount of money or such minerals, or the sale or other
    transfer of any other interest in property of the character commonly re-
    ferred to as a production payment; and     
   
(2) Liens required by any contract or statute in order to permit ARCO or a
    subsidiary of ARCO to perform any contract or subcontract made by it with
    or at the request of the United States, any state or any department,
    agency or instrumentality of either.     
   
The term "indebtedness" of a person means all indebtedness, whether or not
represented by bonds, debentures, notes or other securities, created or
assumed by that person for the repayment of money borrowed and all payment ob-
ligations of that person as lessee under capital leases. Under the indenture,
all indebtedness upon which a person customarily pays interest, if secured by
a lien upon property owned by ARCO or any subsidiary of ARCO, will be deemed
to be indebtedness of such person, although such person has not assumed or be-
come liable for the payment of such indebtedness. All indebtedness of others
guaranteed as to payment of principal by any person or in effect guaranteed by
that person through a contingent agreement to purchase such indebtedness will
also be deemed to be indebtedness of that person. Indebtedness of a person
will not include amounts payable out of all or a portion of the oil, gas, nat-
ural gas, carbon dioxide, sulphur, helium, coal, metals, minerals, steam, tim-
ber or other natural resources produced, derived or extracted from properties
owned or developed by that person.     
   
The indenture defines the term "consolidated net tangible assets" as the total
amount of assets of ARCO and its subsidiaries on a consolidated basis after
deducting:     
   
(1) all current liabilities (excluding any which are, by their terms, extendi-
    ble or renewable at the option of ARCO or its subsidiaries to a time more
    than 12 months after the determination date); and     
 
(2) all goodwill, trade names, trademarks, patents, unamortized debt discount
    and expense and other like intangible assets.
   
The indenture defines the term "subsidiary" of ARCO as a corporation more than
50% of the outstanding voting stock of which is owned, directly or indirectly,
by ARCO, by one or more other subsidiaries, or by ARCO together with one or
more other subsidiaries. For the purposes of this definition, "voting stock"
means stock which ordinarily has voting power for the election of directors,
whether or not any other class of stock has such voting power by reason of any
contingency.     
   
The term "Restricted Property" means any of ARCO's or its subsidiary's oil or
gas producing properties or refining or manufacturing plants located in the
continental United States, unless the board of directors determines that a
particular facility is not a principal plant and any shares of capital stock
or indebtedness of a Restricted Subsidiary.     
 
                                       7
<PAGE>
 
 
The term "Restricted Subsidiary" means any subsidiary which owns Restricted
Property unless substantially all such subsidiary's physical properties are
located outside the continental United States.
   
The indenture also provides that if, following     
     
  .a consolidation or merger of ARCO with or into another corporation, or
           
  .a sale or conveyance of all or substantially all of the property of ARCO
    or of a Restricted Subsidiary to any other corporation     
   
any of the property of ARCO or of a Restricted Subsidiary would become subject
to any lien, then ARCO will first secure the debt securities with a lien
equally and ratably with any other obligations of ARCO or the Restricted Sub-
sidiary entitled to be secured.     
   
Limitation on Sale and Leaseback     
   
ARCO agrees that neither it nor any Restricted Subsidiary will enter into any
sale and leaseback transaction with respect to any Restricted Property with
any person (other than ARCO or a subsidiary) unless either of the two follow-
ing conditions is met:     
     
  . ARCO or such Restricted Subsidiary would be entitled to incur debt in a
    principal amount at least equal to the value of the sale and leaseback
    transaction secured by a lien on the property to be leased without se-
    curing the debt securities; or     
     
  .ARCO pays off Funded Debt in an amount equal to the value of the sale and
    leaseback transaction within four months of the transaction.     
         
Events of Default
   
Unless a particular series of debt securities provides otherwise, the follow-
ing are events of default that apply to the series of debt securities de-
scribed in the prospectus supplement:     
 
 
(1) failure to pay principal of (or premium, if any, on) any debt security of
    that series when due;
 
(2) failure to pay any interest on any debt security of that series when due,
   continued for 30 days;
 
(3) failure to deposit any sinking fund payment, when due, in respect of the
   debt securities of that series, continued for 30 days;
   
(4) failure to perform other covenants of ARCO in the indenture, continued for
    90 days after written notice;     
 
(5) certain events of bankruptcy, insolvency or reorganization; and
 
(6) any other event of default that may be specified with respect to the debt
    securities of that series.
 
If an event of default occurs with respect to any outstanding series of debt
securities as described in clause (1), (2), (3) or (6) above, the principal
amount of all outstanding debt securities of that particular series may be de-
clared due and payable immediately by either:
 
(A) the trustee; or
 
(B) the holders of at least 25% in principal amount of that series.
 
If an event of default occurs as described in clauses (4) or (5) above, the
principal amount of all outstanding debt securities may be declared due and
payable immediately by either:
 
(A) the trustee; or
 
(B) the holders of at least 25% in principal amount of all outstanding debt
    securities under the indenture.
   
At any time after a declaration of acceleration with respect to a series of
debt securities has been made, the holders of a majority in principal amount
of the outstanding debt securities of the series may, except in the case of an
event of default described in clauses (1) and (2) above, waive such accelera-
tion. This waiver must be made before a judgment or decree for payment of the
debt securities has been obtained.     
 
                                       8
<PAGE>
 
   
There are no cross-default provisions applicable to any indebtedness outstand-
ing under the indentures. Depending on the terms of certain other indebtedness
of ARCO, such as bank indebtedness, that may be outstanding from time to time,
an event of default under the indenture may give rise to cross-defaults on
other indebtedness of ARCO.     
   
The indenture requires ARCO to file annually with the trustee an officers'
certificate as to the absence of certain defaults under the terms of the in-
denture. The trustee must notify holders of any default in payment of princi-
pal or interest.     
   
The trustee is under no obligation to exercise any of its rights under the in-
denture at the direction of the holders of the debt securities unless such
holders shall have offered to the trustee reasonable indemnity. Subject to
such provisions for indemnification, the holders of a majority in principal
amount of the outstanding debt securities of the particular series affected
have the right to direct the proceeding for any remedy available to the trust-
ee.     
 
Modification
   
Modifications and amendments of the indenture may be made by ARCO and the
trustee with the consent of the holders of a majority in principal amount of
the outstanding debt securities under the indenture affected by such change.
However, without the consent of each holder affected by such change, no modi-
fication or amendment may:     
 
(1) extend the fixed maturity date of the principal of, or any installment of
    interest on, any debt security;
   
(2) reduce the principal amount of, or the premium, if any, or interest on,
    any debt security;     
   
(3) change the currency, currencies or currency unit or units in which the
    principal of, or premium, if any, or interest on, any debt security is to
    be paid; or     
 
(4) reduce the percentage in principal amount of outstanding debt securities
    required to consent to a modification or amendment of the indenture or to
    a waiver of compliance with certain provisions of the indenture or to a
    waiver of certain defaults.
 
Consolidation Merger and Sale of Assets
   
ARCO, without the consent of any holders of outstanding debt securities, may
consolidate with or merge into, or sell or convey its assets substantially as
an entirety to, any other corporation, provided that:     
   
(1) the person formed by such consolidation or into which ARCO is merged or
    which acquires such assets of ARCO expressly assumes by supplemental in-
    denture ARCO's obligations on the debt securities and under the indenture;
    and     
 
(2) other conditions described in the indenture are met.
   
Upon compliance with these provisions, ARCO will be relieved of its obliga-
tions under the indenture and the debt securities.     
 
Book-Entry Debt Securities -- Registration, Transfer, Exchange and Payment
   
ARCO intends to issue each series of debt securities in "book-entry" form,
represented by one or more global certificates registered in the name of The
Depositary Trust Company, New York, New York (DTC), or its nominee. However,
ARCO reserves the right to issue debt securities in certificate form regis-
tered in the names of the holders of the debt securities.     
 
Ownership of beneficial interests in the global certificates representing the
particular series of debt securities will be limited to persons who have ac-
counts with DTC (participants), or persons that may hold interests through
participants. DTC will keep on its computerized book-entry and transfer system
a record of the principal amounts of debt securities held in the accounts of
the
 
                                       9
<PAGE>
 
participants. Participants, in turn, will keep records of the interests of
their clients who have purchased debt securities through them. Beneficial in-
terests in the global certificates may be shown only on, and may be trans-
ferred only through, records maintained by DTC and its participants. The laws
of some states require that certain purchasers of securities take delivery of
such securities only in certificate form. Such laws may limit the ability of
holders of beneficial interests in the global certificates to transfer those
interests to certain persons who might otherwise wish to purchase those inter-
ests.
   
DTC has provided us the following information: DTC is a limited-purpose trust
company organized under the New York Banking Law, a "banking organization"
within the meaning of the New York Banking Law, a member of the United States
Federal Reserve System, a "clearing corporation" within the meaning of the New
York Uniform Commercial Code and a "clearing agency" registered under the pro-
visions of Section 17A of the Securities Exchange Act of 1934. DTC holds secu-
rities that its participants deposit with DTC. DTC also records the settlement
among participants of securities transactions, such as transfers and pledges,
in deposited securities through computerized records for participant's ac-
counts. This eliminates the need to exchange certificates. Participants in-
clude securities brokers and dealers, banks, trust companies, clearing corpo-
rations and certain other organizations.     
 
DTC's book-entry system is also used by other organizations such as securities
brokers and dealers, banks and trust companies that work through a partici-
pant. The rules that apply to DTC and its participants are on file with the
SEC.
 
DTC is owned by a number of its participants and by the New York Stock Ex-
change, Inc., The American Stock Exchange, Inc. and the National Association
of Securities Dealers, Inc.
 
Payments of interest and principal will be made to DTC, who in turn will
credit payment to the accounts of its participants. It is DTC's current prac-
tice, upon receipt of any payment of principal or interest, to credit partici-
pants' accounts on the payment date according to their respective holdings of
beneficial interests in the global certificates as shown on DTC's records. In
addition, it is DTC's current practice to assign any consenting or voting
rights to participants whose accounts are credited with certificates on a rec-
ord date, by using an omnibus proxy. Payments by participants to holders of
beneficial interests in the global certificates, and voting by participants,
will be governed by the customary practices between the participants and hold-
ers of beneficial interests, as is the case with securities held for the ac-
count of customers registered in "street name."
 
ARCO and the trustee and the paying agent will treat DTC as the sole owner of
the global certificates for all purposes. Accordingly, ARCO, the trustee, and
any paying agent will have no responsibility or liability:
 
 . for the records relating to beneficial ownership interests in the global
  certificates; or
 
 . for the payments of principal and interest due for the accounts of benefi-
  cial holders of interests in the global certificates.
 
Unless ARCO decides to issue the debt securities in certificate form, the
global certificates representing a series of debt securities may not be trans-
ferred. However, a global certificate may be transferred by DTC to its nomi-
nees or successors.
 
A series of debt securities represented by global certificates will be ex-
changeable for debt securities in certificate form with the same terms in au-
thorized denominations only if:
 
 . DTC notifies ARCO that it is unwilling or unable to continue as depositary
  or if DTC ceases to be a clearing agency registered under applicable law and
  a successor depositary is not appointed by ARCO within 90 days; or
 
                                      10
<PAGE>
 
   
 . ARCO decides not to require all of the debt securities of a series to be
  represented by global certificates and notifies the trustee of that deci-
  sion.     
 
ARCO has obtained the foregoing information concerning DTC and DTC's book-en-
try system from DTC and other sources it believes reliable, but takes no re-
sponsibility for the accuracy of this information.
 
Concerning the Trustee
   
The indenture contains certain limitations on the right of the trustee, as a
creditor of ARCO, to obtain payment of claims and to realize on certain prop-
erty received with respect to such claims, as security or otherwise. The
trustee is permitted to engage in other transactions, except that, if it ac-
quires any conflicting interest, it must eliminate that conflict or resign.
Each of The Chase Manhattan Bank, N.A., trustee under the 1985 Indenture, and
The Bank of New York, trustee under the 1992 Indenture, also acts as trustee
under other outstanding series of debt securities of ARCO and extends credit
to ARCO and its subsidiaries in the ordinary course of business.     
 
                             PLAN OF DISTRIBUTION
   
ARCO may sell the debt securities:     
 
(1) through underwriters or dealers,
 
(2) directly to a limited number of institutional purchasers or to a single
    purchaser, or
 
(3) through agents.
   
The prospectus supplement with respect to a series of debt securities will set
forth the terms of the offered debt securities, including the name or names of
any underwriters, the purchase price, the proceeds to ARCO, any underwriting
discounts and other items constituting underwriters' compensation, any initial
public offering price and any discounts or concessions allowed or reallowed or
paid to dealers and any securities exchanges on which the debt securities may
be listed.     
 
If underwriters are used in the sale, the debt securities will be acquired by
the underwriters for their own account and may be resold from time to time in
one or more transactions, including negotiated transactions, at a fixed public
offering price or at varying prices determined at the time of sale. Unless
otherwise set forth in the prospectus supplement, the obligations of the un-
derwriters to purchase the debt securities will be subject to certain condi-
tions precedent and the underwriters will be obligated to purchase all the
debt securities if any are purchased. Any initial public offering price and
any discounts or concessions allowed or reallowed or paid to dealers may be
changed from time to time.
   
Debt securities may be sold directly by ARCO or through agents designated by
ARCO from time to time. Any agent involved in the offer or sale of debt secu-
rities in respect of which this prospectus is delivered will be named, and any
commissions payable by ARCO to such agent will be set forth, in the prospectus
supplement. Unless otherwise indicated in the prospectus supplement, any such
agent will be acting on a best efforts basis for the period of its appoint-
ment.     
   
If so indicated in the prospectus supplement, ARCO will authorize agents, un-
derwriters or dealers to solicit offers by certain specified institutions to
purchase debt securities from ARCO at the public offering price set forth in
the prospectus supplement pursuant to delayed delivery contracts providing for
payment and delivery on a specified date in the future. Such contracts will be
subject only to those conditions set forth in the prospectus supplement and
the prospectus supplement will set forth the commission payable for solicita-
tion of such contracts.     
   
Underwriters and agents may be entitled under agreements entered into with
ARCO to indemnification by ARCO against certain civil liabilities, including
liabilities under the Securities Act of 1933, or to contribution with respect
to payments which the agents or underwriters may be required to make in     
 
                                      11
<PAGE>
 
   
respect thereof. Agents and underwriters may be customers of, engage in trans-
actions with, or perform services for ARCO in the ordinary course of business.
    
                                    EXPERTS
   
PricewaterhouseCoopers LLP, formerly known as Coopers & Lybrand L.L.P.,
independent accountants, audited ARCO's consolidated financial statements which
are incorporated by reference in this prospectus in reliance on the authority
of PricewaterhouseCoopers LLP, as experts in accounting and auditing.     
 
                                 LEGAL OPINION
   
The legality of debt securities offered hereby will be passed upon for ARCO by
Diane A. Ward, Esq., Counsel-- Securities and Finance of Atlantic Richfield
Company, 515 South Flower Street, Los Angeles, California 90071. As of December
31, 1998, Ms. Ward owned directly or indirectly approximately 1,834 shares of
Common Stock of ARCO and owned directly options to purchase 900 shares of such
stock.     
 
                                       12
<PAGE>
 
                PART II. INFORMATION NOT REQUIRED IN PROSPECTUS
 
Item 14. Other Expenses of Issuance and Distribution.
 
<TABLE>
     <S>                                                               <C>
     SEC registration fee............................................. $417,000
     Rating Agency Fees...............................................  300,000*
     Fees and expenses of the Trustee.................................   50,000*
     Printing and engraving expenses..................................  100,000*
     Accounting fees..................................................   70,000*
     Qualification under state securities laws........................   15,000*
     Miscellaneous....................................................    5,000*
                                                                       --------
                                                                       $957,000
                                                                       ========
</TABLE>
- --------
* Estimated and subject to future contingencies.
 
Item 15. Indemnification of Directors and Officers.
 
  Reference is made to Section 25 of the By-Laws of the Company and to Section
145 of the General Corporation Law of the State of Delaware as set forth
below.
 
  Section 25 of the By-Laws of the Company provides:
 
    (a) Right to Indemnification. Each person who was or is a party or is
  threatened to be made a party to or is involved or is threatened to be in-
  volved (as a witness or otherwise) in or otherwise requires representation
  by counsel in connection with any threatened, pending or completed action,
  suit or proceeding, or any inquiry that such person in good faith believes
  might lead to the institution of any such action, suit or proceeding,
  whether civil, criminal, administrative or investigative (hereinafter a
  "proceeding"), by reason of the fact that he or she is or was a director or
  officer of the Company or is or was serving at the request of the Company
  as a director, officer, employee or agent of another corporation or of a
  partnership, joint venture, trust or other enterprise, including service
  with respect to employee benefit plans, and the basis of such proceeding is
  alleged action or inaction in an official capacity or in any other capacity
  while serving as such a director, officer, employee or agent, shall be in-
  demnified and held harmless by the Company to the fullest extent authorized
  by the General Corporation Law of Delaware, as the same exists or may here-
  after be amended (but, in the case of any such amendment with reference to
  events occurring prior to the effective date thereof, only to the extent
  that such amendment permits the Company to provide broader indemnification
  rights than such law permitted the Company to provide prior to such amend-
  ment), against all costs, charges, expenses, liabilities and losses (in-
  cluding attorneys' fees, judgments, fines, ERISA excise taxes or penalties
  and amounts paid in settlement) reasonably incurred or suffered by such
  person in connection therewith and such indemnification shall continue as
  to a person who has ceased to be a director or officer (or to serve another
  entity at the request of the Company) and shall inure to the benefit of
  such person's heirs, personal representatives and estate; provided, howev-
  er, that, except as provided in paragraph (b) hereof, the Company shall in-
  demnify any such person seeking indemnification in connection with a pro-
  ceeding (or part thereof) initiated by such person against the Company only
  if such proceeding (or part thereof) was authorized prior to its initiation
  by a majority of the disinterested members of the Board of Directors of the
  Company. The rights to indemnification conferred in this Section shall in-
  clude the right to be paid by the Company any expenses incurred in defend-
  ing any such proceeding in advance of its final disposition; provided, how-
  ever, that, if the General Corporation Law of Delaware requires, payment
  shall be made to or on behalf of a person only upon delivery to the Company
  of an undertaking, by or on behalf of such person, to repay all amounts so
  advanced if it shall ultimately be determined that such person is not enti-
  tled to be indemnified under this Section or otherwise. The rights to in-
  demnification conferred in this Section shall be deemed to be a contract
  between the Company and each person who serves in the capacities
 
                                     II-1
<PAGE>
 
  described above at any time while this Section is in effect. Any repeal or
  modification of this Section shall not in any way diminish any rights to
  indemnification of such person or the obligations of the Company arising
  hereunder.
 
    (b) Right of claimant to bring suit. If a claim under paragraph (a) of
  this Section is not paid in full by the Company within sixty days after a
  written claim has been received by the Company, the claimant may at any
  time thereafter bring suit against the Company to recover the unpaid amount
  of the claim. If successful in whole or in part, the claimant shall be en-
  titled to be paid also the expense of prosecuting or defending such claim.
  In any action brought by the claimant to enforce a right to indemnification
  hereunder or by the Company to recover payments by the Company of expenses
  incurred by a claimant in a proceeding in advance of its final disposition,
  the burden of proving that the claimant is not entitled to be indemnified
  under this Section or otherwise shall be on the Company. Neither the fail-
  ure of the Company (including its Board of Directors, independent legal
  counsel, or its stockholders) to have made a determination prior to the
  commencement of such action that indemnification of the claimant is proper
  in the circumstances because the claimant has met the applicable standard
  of conduct set forth in the General Corporation Law of Delaware, nor an ac-
  tual determination by the Company (including its Board of Directors, inde-
  pendent legal counsel, or its stockholders) that the claimant has not met
  such applicable standard of conduct, shall create a presumption that the
  claimant has not met the applicable standard of conduct or, in the case of
  such an action brought by the claimant, be a defense to the action.
 
    (c) Non-exclusivity of rights. The right to indemnification and the pay-
  ment of expenses incurred in defending a proceeding in advance of its final
  disposition conferred in this Section shall not be exclusive of any other
  right which any person may have or hereafter acquire under any statute, the
  Company's Certificate of Incorporation, any By-Law, any agreement, a vote
  of Company stockholders or of disinterested Company directors or otherwise,
  both as to action in that person's official capacity and as to action in
  any other capacity by holding such office, and shall continue after the
  person ceases to serve the Company as a director or officer or to serve an-
  other entity at the request of the Company.
 
    (d) Insurance. The Company may maintain insurance, at its expense, to
  protect itself and any director or officer of the Company or another corpo-
  ration, partnership, joint venture, trust or other enterprise against any
  expense, liability or loss, whether or not the Company would have the power
  to indemnity such persons against such expense, liability or loss under the
  General Corporation Law of Delaware.
 
    (e) Indemnity agreements. The Company may from time to time enter into
  indemnity agreements with the persons who are members of its Board of Di-
  rectors and with such officers or other persons as the Board may designate,
  such indemnity agreements to provide in substance that the Company will in-
  demnify such persons to the fullest extent of the provisions of this Sec-
  tion 25.
 
    (f) Indemnification of employees and agents of the Company. The Company
  may, under procedures authorized from time to time by the Board of Direc-
  tors, grant rights to indemnification, and to be paid by the Company the
  expenses incurred in defending any proceeding in advance of its final dis-
  position, to any employee or agent of the Company to the fullest extent of
  the provisions of this Section 25.
 
  Section 145 of the General Corporation Law of the State of Delaware
provides:
 
    (a) A corporation may indemnify any person who was or is a party or is
  threatened to be made a party to any threatened, pending or completed ac-
  tion, suit or proceeding, whether civil, criminal, administrative or inves-
  tigative (other than an action by or in the right of the corporation)
 
                                     II-2
<PAGE>
 
  by reason of the fact that he is or was a director, officer, employee or
  agent of the corporation, or is or was serving at the request of the corpo-
  ration as a director, officer, employee or agent of another corporation,
  partnership, joint venture, trust or other enterprise, against expenses
  (including attorneys' fees), judgments, fines and amounts paid in settle-
  ment actually and reasonably incurred by him in connection with such ac-
  tion, suit or proceeding if he acted in good faith and in a manner he rea-
  sonably believed to be in or not opposed to the best interests of the cor-
  poration, and, with respect to any criminal action or proceeding, had no
  reasonable cause to believe his conduct was unlawful. The termination of
  any action, suit or proceeding by judgment, order, settlement, conviction,
  or upon a plea of nolo contendere or its equivalent, shall not, of itself,
  create a presumption that the person did not act in good faith and in a
  manner which he reasonably believed to be in or not opposed to the best in-
  terests of the corporation, and, with respect to any criminal action or
  proceeding, had reasonable cause to believe that his conduct was unlawful.
 
    (b) A corporation may indemnify any person who was or is a party or is
  threatened to be made a party to any threatened, pending or completed ac-
  tion or suit by or in the right of the corporation to procure a judgment in
  its favor by reason of the fact that he is or was a director, officer, em-
  ployee or agent of the corporation, or is or was serving at the request of
  the corporation as a director, officer, employee or agent of another corpo-
  ration, partnership, joint venture, trust or other enterprise against ex-
  penses (including attorneys' fees) actually and reasonably incurred by him
  in connection with the defense or settlement of such action or suit if he
  acted in good faith and in a manner he reasonably believed to be in or not
  opposed to the best interests of the corporation and except that no indem-
  nification shall be made in respect of any claim, issue or matter as to
  which such person shall have been adjudged to be liable to the corporation
  unless and only to the extent that the Court of Chancery or the court in
  which such action or suit was brought shall determine upon application
  that, despite the adjudication of liability but in view of all the circum-
  stances of the case, such person is fairly and reasonably entitled to in-
  demnity for such expenses which the Court of Chancery or other court shall
  deem proper.
 
    (c) To the extent that a director, officer, employee or agent of a corpo-
  ration has been successful on the merits or otherwise in defense of any ac-
  tion, suit or proceeding referred to in subsections (a) and (b) of this
  section, or in defense of any claim, issue or matter therein, he shall be
  indemnified against expenses (including attorneys' fees) actually and rea-
  sonably incurred by him in connection therewith.
 
    (d) Any indemnification under subsections (a) and (b) of this section
  (unless ordered by a court) shall be made by the corporation only as autho-
  rized in the specific case upon a determination that indemnification of the
  director, officer, employee or agent is proper in the circumstances because
  he has met the applicable standard of conduct set forth in subsections (a)
  and (b) of this section. Such determination shall be made (1) by a majority
  vote of the directors who were not parties to such action, suit or proceed-
  ing, even though less than a quorum, or (2) if there are no such directors,
  or if such directors so direct, by independent legal counsel in a written
  opinion, or (3) by the stockholders.
 
    (e) Expenses (including attorneys' fees) incurred by an officer or direc-
  tor in defending any civil, criminal, administrative or investigative ac-
  tion, suit or proceeding may be paid by the corporation in advance of the
  final disposition of such action, suit or proceeding upon receipt of an un-
  dertaking by or on behalf of such director or officer to repay such amount
  if it shall ultimately be determined that he is not entitled to be indemni-
  fied by the corporation as authorized in this section. Such expenses (in-
  cluding attorneys' fees) incurred by other employees and agents may be so
  paid upon such terms and conditions, if any, as the board of directors
  deems appropriate.
 
    (f) The indemnification and advancement of expenses provided by, or
  granted pursuant to, the other subsections of this section shall not be
  deemed exclusive of any other rights to which those seeking indemnification
  or advancement of expenses may be entitled under any by-law,
 
                                     II-3
<PAGE>
 
  agreement, vote of stockholders or disinterested directors or otherwise,
  both as to action in his official capacity and as to action in another ca-
  pacity while holding such office.
 
    (g) A corporation shall have power to purchase and maintain insurance on
  behalf of any person who is or was a director, officer, employee or agent
  of the corporation, or is or was serving at the request of the corporation
  as a director, officer, employee or agent of another corporation, partner-
  ship, joint venture, trust or other enterprise against any liability as-
  serted against him and incurred by him in any such capacity, or arising out
  of his status as such, whether or not the corporation would have the power
  to indemnify him against such liability under this section.
 
    (h) For purposes of this section, references to "the corporation" shall
  include, in addition to the resulting corporation, any constituent corpora-
  tion (including any constituent of a constituent) absorbed in a consolida-
  tion or merger which, if its separate existence had continued, would have
  had power and authority to indemnify its directors, officers, and employees
  or agents, so that any person who is or was a director, officer, employee
  or agent of such constituent corporation, or is or was serving at the re-
  quest of such constituent corporation as a director, officer, employee or
  agent of another corporation, partnership, joint venture, trust or other
  enterprise, shall stand in the same position under this section with re-
  spect to the resulting or surviving corporation as he would have with re-
  spect to such constituent corporation if its separate existence had contin-
  ued.
 
    (i) For purposes of this section, references to "other enterprises" shall
  include employee benefit plans; references to "fines" shall include any ex-
  cise taxes assessed on a person with respect to any employee benefit plan;
  and references to "serving at the request of the corporation" shall include
  any service as a director, officer, employee or agent of the corporation
  which imposes duties on, or involves services by, such director, officer,
  employee or agent with respect to an employee benefit plan, its partici-
  pants or beneficiaries; and a person who acted in good faith and in a man-
  ner he reasonably believed to be in the interest of the participants and
  beneficiaries of an employee benefit plan shall be deemed to have acted in
  a manner "not opposed to the best interests of the corporation" as referred
  to in this section.
 
    (j) The indemnification and advancement of expenses provided by, or
  granted pursuant to, this section shall, unless otherwise provided when au-
  thorized or ratified, continue as to a person who has ceased to be a direc-
  tor, officer, employee or agent and shall inure to the benefit of the
  heirs, executors and administrators of such a person.
 
  The Company has entered into or will enter into individual indemnity
agreements with each of its present and future directors and officers
embodying the provisions of Section 25 of the By-Laws a form of which
indemnity agreement is included as Exhibit 99.
 
  Pursuant to Section 7 of the Underwriting Agreement, which is Exhibit 1
hereto, the underwriters named therein have agreed to indemnify the Company,
its directors and certain of its officers against certain civil liabilities,
including civil liabilities under the Securities Act of 1933 (the "Act").
 
  The Company carries Directors and Officers Liability Insurance with a limit
of $210 million to the extent authorized by the By-Laws of the Company and the
laws of the State of Delaware.
 
                                     II-4
<PAGE>
 
Item 16. Exhibits.
 
<TABLE>   
 <C>          <S>
          1   Form of proposed Underwriting Agreement.*
 
          4.1 Form of proposed Debt Securities.*
 
          4.2 Indenture, dated as of May 15, 1985, between the Company and The
              Chase Manhattan Bank, N.A., Trustee, relating to the securities
              being registered.*
 
          4.3 Indenture, dated as of January 1, 1992, between the Company and
              The Bank of New York, Trustee, relating to the securities being
              registered.*
 
          5   Opinion with consent of Diane A. Ward, Esq., Counsel --
               Securities and Finance of the Company.*
 
         12   Statement of computation of ratio of earnings to fixed charges.*
 
         23.1 Consent of Diane A. Ward, Esq., Counsel -- Securities and Finance
              of the Company (included in Exhibit 5).*
 
         23.2 Consent of PricewaterhouseCoopers LLP.
 
         24   Power of Attorney.
 
         25.1 Statement of eligibility of The Chase Manhattan Bank, N.A., as
              Trustee.*
 
         25.2 Statement of eligibility of The Bank of New York, as Trustee.*
 
         99   Form of Indemnity Agreement.*
</TABLE>    
    --------
       
    *Previously filed on January 27, 1999.     
 
Item 17. Undertakings.
 
  A. Undertaking Pursuant to Rule 415.
 
  The Company hereby undertakes:
 
    (1) To file, during any period in which offers or sales are being made, a
  post-effective amendment to this Registration Statement:
 
      (i) To include any prospectus required by Section 10(a)(3) of the
    Securities Act of 1933 (the "Act");
 
      (ii) To reflect in the prospectus any facts or events arising after
    the effective date of the Registration Statement (or the most recent
    post-effective amendment thereof) which, individually or in the
    aggregate, represent a fundamental change in the information set forth
    in the Registration Statement;
 
      (iii) To include any material information with respect to the plan of
    distribution not previously disclosed in the Registration Statement or
    any material change to such information in the Registration Statement;
 
   provided, however, that paragraphs A(1)(i) and A(1)(ii) do not apply if the
   information required to be included in a post-effective amendment by those
   paragraphs is contained in periodic reports filed with or furnished to the
   Commission by the Company pursuant to Section 13 or Section 15(d) of the
   Securities Exchange Act of 1934 (the "Exchange Act") that are incorporated
   by reference in the Registration Statement.
 
    (2) That, for the purpose of determining any liability under the Act,
  each such post-effective amendment shall be deemed to be a new registration
  statement relating to the securities offered therein, and the offering of
  such securities at that time shall be deemed to be the initial bona fide
  offering thereof.
 
                                     II-5
<PAGE>
 
    (3) To remove from registration by means of a post-effective amendment
  any of the securities being registered which remain unsold at the termina-
  tion of the offering.
 
  B. Undertaking Regarding Filings Incorporating Subsequent Exchange Act
Documents by Reference.
 
  The Company hereby undertakes that, for purposes of determining any
liability under the Act, each filing of the Company's annual report pursuant
to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable,
each filing of an employee benefit plan's annual report pursuant to
Section 15(d) of the Exchange Act) that is incorporated by reference in the
Registration Statement shall be deemed to be a new Registration Statement
relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering
thereof.
 
  C. Undertaking in Respect of Indemnification.
 
  Insofar as indemnification for liabilities arising under the Act may be
permitted to directors, officers and controlling persons of the Company
pursuant to the provisions described and the documents referenced under Item
15 above, or otherwise, the Company has been advised that in the opinion of
the Securities and Exchange Commission such indemnification is against public
policy as expressed in the Act and is, therefore, unenforceable. In the event
that a claim for indemnification against such liabilities (other than the
payment by the registrant of expenses incurred or paid by a director, officer
or controlling person of the registrant in the successful defense of any
action, suit or proceeding) is asserted by such director, officer or
controlling person in connection with the securities being registered, the
registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication
of such issue.
 
  D. Undertaking Pursuant to Rule 430A.
 
  The undersigned registrant hereby undertakes that:
 
    (1) For purposes of determining any liability under the Act, the informa-
  tion omitted from the form of prospectus filed as part of this registration
  statement in reliance upon Rule 430A and contained in a form of prospectus
  filed by the Company pursuant to Rule 424(b)(1) or (4) or 497(h) under the
  Act shall be deemed to be part of this registration statement as of the
  time it was declared effective.
 
    (2) For the purpose of determining any liability under the Act, each
  post-effective amendment that contains a form of prospectus shall be deemed
  to be a new registration statement relating to the securities offered
  therein, and the offering of such securities at that time shall be deemed
  to be the initial bona fide offering thereof.
 
                                     II-6
<PAGE>
 
                                  SIGNATURES
   
  Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-3 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Los Angeles, State of California on the 10th day of
March, 1999.     
 
                                          ATLANTIC RICHFIELD COMPANY
 
                                          By:
                                                    * MICHAEL E. WILEY
                                             ----------------------------------
                                                      Michael E. Wiley
                                                    President and Chief
                                                     Operating Officer
 
  Pursuant to the requirements of the Securities Act of 1933, this
registration statement has been signed below by the following persons in the
capacities and on the date indicated.
 
<TABLE>   
<CAPTION>
                 Signature                           Title                 Date
                 ---------                           -----                 ----
 
 
<S>                                         <C>                      <C>
            * MIKE R. BOWLIN                 Chairman of the Board,
___________________________________________ Chief Executive Officer
               Mike R. Bowlin                     and Director
        Principal executive officer
 
           * MARIE L. KNOWLES               Executive Vice President
___________________________________________   and Chief Financial
              Marie L. Knowles                      Officer
        Principal financial officer
 
            * FRANK D. BOREN                        Director
___________________________________________
               Frank D. Boren
 
              * JOHN GAVIN                          Director          
___________________________________________
                 John Gavin
 
              * KENT KRESA                          Director
___________________________________________
                 Kent Kresa
 
           * ARNOLD G. LANGBO                       Director
___________________________________________
              Arnold G. Langbo
 
          * DAVID T. McLAUGHLIN                     Director
___________________________________________
            David T. McLaughlin
 
           * JOHN B. SLAUGHTER                      Director
___________________________________________
             John B. Slaughter

                                                                           March 10, 1999
            
</TABLE>    
 
 
 
                                     II-7
<PAGE>
 
<TABLE>   
<CAPTION>
                 Signature                           Title                 Date
                 ---------                           -----                 ----
 
 
<S>                                         <C>                      <C>
            * GARY L. TOOKER                        Director
___________________________________________
               Gary L. Tooker
 
              * HENRY WENDT                         Director
___________________________________________
                Henry Wendt
 
            * GAYLE E. WILSON                       Director          March 10, 1999
___________________________________________
              Gayle E. Wilson
 
          /s/ ALLAN L. COMSTOCK                Vice President and
___________________________________________        Controller
             Allan L. Comstock
        Principal accounting officer
</TABLE>    
 
* By    
     /s/ ALLAN L. COMSTOCK      
  ---------------------------------
           Allan L. Comstock
          (Attorney in fact)
 
                                      II-8
<PAGE>
 
                                 EXHIBIT INDEX
 
<TABLE>   
<CAPTION>
                                                                   Sequentially
        Exhibit                                                      Numbered
          No.                      Description                         Page
        -------                    -----------                     ------------
 <C>            <S>                                                <C>
         1      Form of proposed Underwriting Agreement.*
 
         4.1    Form of proposed Debt Securities.*
 
         4.2    Indenture, dated as of May 15, 1985, between the
                Company and The Chase Manhattan Bank, N.A.,
                Trustee, relating to the securities being
                registered.*
 
         4.3    Indenture, dated as of January 1, 1992, between
                the Company and The Bank of New York, Trustee,
                relating to the securities being registered.*
 
         5      Opinion with consent of Diane A. Ward, Esq.,
                Counsel -- Securities and Finance of the
                Company.*
 
        12      Statement of computation of ratio of earnings to
                fixed charges.*
 
        23.1    Consent of Diane A. Ward, Esq., Counsel --
                 Securities and Finance of the Company (included
                in Exhibit 5).*
 
        23.2    Consent of PricewaterhouseCoopers LLP.
 
        24      Power of Attorney.
 
        25.1    Statement of eligibility of The Chase Manhattan
                Bank, N.A., as Trustee.*
 
        25.2    Statement of eligibility of The Bank of New
                York, as Trustee.*
 
        99      Form of Indemnity Agreement.*
</TABLE>    
    ---------
       
    *Previously filed on January 27, 1999.     

<PAGE>
 
                                                                   Exhibit 23.2
 
                      CONSENT OF INDEPENDENT ACCOUNTANTS
   
We consent to the incorporation by reference in this registration statement of
Atlantic Richfield Company (the "Company") on Form S-3 (File No. 333-71293) of
our report dated February 12, 1998, on our audits of the consolidated
financial statements and related financial statement schedule of Atlantic
Richfield Company as of December 31, 1997 and 1996 and for each of the three
years in the period ended December 31, 1997 included in the Company's Annual
Report on Form 10-K for the year ended December 31, 1997. We also consent to
the reference to our firm under the caption "Experts" in the prospectus
forming a part of this registration statement.     
 
                                             PricewaterhouseCoopers LLP
 
Los Angeles, California
   
March 10, 1999     

<PAGE>
 
                                                                      EXHIBIT 24
 
                               POWER OF ATTORNEY
                                        

     Each person whose signature appears below hereby constitutes and appoints
Marie L. Knowles, J. Kenneth Thompson, Donald R. Voelte, Jr., Michael E. Wiley,
Bruce G. Whitmore, Terry G. Dallas and Allan L. Comstock, and each of them, his
or her true and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution, for him or her and in his or her name, place
and stead, in any and all capacities, in connection with the issuance of any
securities authorized by the Board of Directors of Atlantic Richfield Company
(the "Company") or by the Executive Committee thereof pursuant to due
authorization by such Board for issuance by the Company, (1) to execute and
file, or cause to be filed, with the Securities and Exchange Commission (the
"Commission"), (A) Registration Statements and any and all amendments (including
post-effective amendments) thereto and to file, or cause to be filed, all
exhibits thereto and other documents in connection therewith as required by the
Commission in connection with such registration under the Securities Act of
1933, as amended, and (B) any report or other document required to be filed by
the Company with the Commission pursuant to the Securities Exchange Act of 1934,
as amended, (2) to execute and file, or cause to be filed, any application for
registration or exemption therefrom, any report or any other document required
to be filed by the Company under the Blue Sky or securities laws of any of the
United States, and to furnish any other information required in connection
therewith, (3) to execute and file, or cause to be filed, any application for
registration or exemption therefrom under the securities laws of any
jurisdiction outside the United States, including any reports or other documents
required to be filed subsequent to the issuance of such securities, and (4) to
execute and file, or cause to be filed, any application for listing such
securities on the New York Stock Exchange, the Pacific Stock Exchange, the
London Stock Exchange or any other securities exchange in any other jurisdiction
where any such securities are proposed to be sold, granting to such attorneys-
in-fact and agents, and each of them, full power and authority to do and perform
each and every act required to be done as he or she might or could do in person,
hereby ratifying and confirming all that such attorneys-in-fact and agents, and
each of them, may lawfully do or cause to be done by virtue of this power of
attorney.  Each person whose signature appears below may at any time revoke this
power of attorney as to himself or herself only by an instrument in writing
specifying that this power of attorney is revoked as to him or her as of the
date of execution of such instrument or at a subsequent specified date.  This
power of attorney shall be revoked automatically with respect to any person
whose signature appears below effective on the date he or she ceases to be a
member of the Board of Directors or an officer of the Company.  Any revocation
hereof shall not void or otherwise affect any acts performed by any attorney-in-
fact and agent named herein pursuant to this power of attorney prior to the
effective date of such revocation.

Dated as of January 25, 1999.

                Signature                            Title
                ---------                            -----

            /s/ MIKE R. BOWLIN
                                            
                                            Chairman of the Board and
      _______________________________       Chief Executive Officer
              Mike R. Bowlin
        Principal executive officer

                                       1
<PAGE>
 
                Signature                            Title
                ---------                            -----



          /s/  MICHAEL E. WILEY
            
                                              President and Chief
      _______________________________          Operating Officer
             Michael E. Wiley


          /s/  MARIE L. KNOWLES
                             
                                            Executive Vice President 
      ________________________________     and Chief Financial Officer
             Marie L. Knowles
        


         /s/  J. KENNETH THOMPSON           

      ________________________________       Executive Vice President
            J. Kenneth Thompson


        /s/  DONALD R. VOELTE, JR.

      ________________________________       Executive Vice President
           Donald R. Voelte, Jr.


            /s/  FRANK D. BOREN

      ________________________________               Director
               Frank D. Boren


              /s/   JOHN GAVIN

      ________________________________               Director
                 John Gavin


              /s/  KENT KRESA

      ________________________________               Director
                 Kent Kresa


           /s/  ARNOLD G. LANGBO

      ________________________________               Director
              Arnold G. Langbo

                                       2
<PAGE>
 
                Signature                            Title
                ---------                            -----


          /s/  DAVID T. McLAUGHLIN

      ________________________________              Director
             David T. McLaughlin


           /s/  JOHN B. SLAUGHTER

      ________________________________              Director
              John B. Slaughter


             /s/  GARY L. TOOKER

      ________________________________              Director
                Gary L. Tooker


               /s/  HENRY WENDT

      ________________________________              Director
                 Henry Wendt


             /s/  GAYLE E. WILSON

      ________________________________              Director
                Gayle E. Wilson


           /s/  ALLAN L. COMSTOCK

                                              Vice President and
      _________________________________            Controller
              Allan L. Comstock
        Principal accounting officer

                                       3


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