BANC ONE CORP /OH/
424B5, 1995-07-21
NATIONAL COMMERCIAL BANKS
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<PAGE>
                                                     Rule No. 424(b)(5)
                                                     Registration No. 33-60807 

PROSPECTUS SUPPLEMENT
(To Prospectus Dated July 18, 1995)
 
$600,000,000                                                LOGO
BANC ONE CORPORATION
$300,000,000 7% SUBORDINATED NOTES DUE 2005
$300,000,000 7 3/4% SUBORDINATED DEBENTURES DUE 2025
 
The 7% Subordinated Notes due 2005 (the "Notes") will mature on July 15, 2005
and the 7 3/4% Subordinated Debentures due 2025 (the "Debentures" and,
collectively with the Notes, the "Securities") will mature on July 15, 2025.
Interest on the Securities is payable semiannually on January 15 and July 15,
beginning January 15, 1996. The Securities may not be redeemed prior to their
stated maturity and will not be subject to any sinking fund.
 
The Securities will be unsecured and subordinated to Senior Indebtedness and
General Obligations of BANC ONE CORPORATION ("BANC ONE") as described herein.
The Securities will rank pari passu with the Existing Subordinated
Indebtedness of BANC ONE, subject to the obligations of the holders of the
Securities to pay over any Excess Proceeds to creditors in respect of General
Obligations as described herein. Payment of the principal of the Securities
may be accelerated only in the case of certain events involving the
bankruptcy, insolvency or reorganization of BANC ONE. There is no right of
acceleration in the case of a default in the payment of principal of, premium,
if any, or interest on the Securities or the performance of any covenant of
BANC ONE in the Subordinated Indenture or in the Securities. See "Subordinated
Securities--Limited Rights of Acceleration" in the Prospectus accompanying
this Prospectus Supplement.
 
The Securities will be represented by one or more Global Securities registered
in the name of the nominee of the Depository Trust Company. Interests in the
Global Securities will be shown on, and transfers thereof will be effected
only through, records maintained by the Depository Trust Company and its
direct and indirect participants. Except as described herein, Securities in
definitive form will not be issued. The Securities will trade in the
Depository Trust Company's Same-Day Funds Settlement System until maturity,
and secondary market trading activity in the Securities will therefore settle
in immediately available funds. So long as the Securities are represented by
the Global Securities, all payments of principal and interest on the
Securities will be made by BANC ONE in immediately available funds. See
"Description of the Securities--Same Day Settlement and Payment."
 
THESE SECURITIES ARE NOT SAVINGS OR DEPOSIT ACCOUNTS OR OTHER OBLIGATIONS OF
ANY BANK OR NONBANK SUBSIDIARY OF BANC ONE AND ARE NOT INSURED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE BANK INSURANCE FUND OR ANY OTHER
GOVERNMENTAL AGENCY.
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE SECURITIES
AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS SUPPLEMENT OR THE PROSPECTUS TO WHICH
IT RELATES. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
- -------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                         PRICE TO    UNDERWRITING PROCEEDS TO
                                         PUBLIC (1)  DISCOUNT     COMPANY (1)(2)
<S>                                     <C>          <C>          <C>
Per Note............................... 99.367%      .650%        98.717%
Total.................................. $298,101,000 $1,950,000   $296,151,000
Per Debenture.......................... 98.993%      .875%        98.118%
Total.................................. $296,979,000 $2,625,000   $294,354,000
</TABLE>
- -------------------------------------------------------------------------------
(1) Plus accrued interest, if any, from July 25, 1995 to date of delivery.
(2) Before deducting estimated expenses of $295,000 payable by BANC ONE.
 
The Securities are offered subject to receipt and acceptance by the
Underwriters, to prior sale and to the Underwriters' right to reject any order
in whole or in part and to withdraw, cancel or modify the offer without
notice. It is expected that delivery of the Securities will be made in book-
entry form only through the facilities of The Depository Trust Company, on or
about July 25, 1995, against payment therefor in immediately available funds.
 
SALOMON BROTHERS INC                                       GOLDMAN, SACHS & CO.
                         BANC ONE CAPITAL CORPORATION
                                (SELLING AGENT)
 
The date of this Prospectus Supplement is July 20, 1995.
<PAGE>
 
IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVERALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE SECURITIES
OFFERED HEREBY AT A LEVEL ABOVE THAT WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN
MARKET. SUCH STABILIZING MAY BE EFFECTED IN THE OVER-THE-COUNTER MARKET OR
OTHERWISE. SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.
 
                               ----------------
 
                              RECENT DEVELOPMENTS
 
1995 SECOND QUARTER RESULTS
 
  On July 18, 1995, BANC ONE announced results of its operations for the
three- and six-month periods ended June 30, 1995.
 
<TABLE>
<CAPTION>
                                     THREE MONTHS             SIX MONTHS
                                    ENDED JUNE 30,          ENDED JUNE 30,
                                ----------------------- -----------------------
                                      1995        1994        1995        1994
                                ----------- ----------- ----------- -----------
                                 (DOLLARS IN THOUSANDS, EXCEPT PER SHARE DATA)
<S>                             <C>         <C>         <C>         <C>
Interest income................  $1,748,272  $1,591,874  $3,465,577  $3,146,926
Income before income tax.......     462,713     494,453     933,941   1,002,962
Net income.....................     307,482     330,570     610,000     657,520
Net income per common share ...         .77         .80        1.52        1.59
Weighted average common shares
 outstanding (000).............     394,740     408,508     395,395     407,984
</TABLE>
 
PREMIER BANCORP, INC. ACQUISITION
 
  On July 19, 1995, BANC ONE and Premier Bancorp, Inc., a bank holding company
headquartered in Baton Rouge, Louisiana ("Premier"), jointly announced the
signing of an agreement for the merger of Premier with BANC ONE. Premier had
assets of approximately $5.5 billion as of June 30, 1995 and operates 150
banking offices throughout Louisiana.
  
  The new agreement supersedes the agreement that has been in place since
February 1991. Under the original agreement, BANC ONE purchased $65 million of
newly issued capital notes from Premier and received an option to acquire
Premier during the fourth or fifth year of the original agreement. Terms of
the new agreement call for Premier shareholders to receive .617761 shares of
BANC ONE common stock for each share of Premier common stock. Based on the
closing price of BANC ONE common stock on July 18, 1995, the value of the
exchange is $20.15 for each share of Premier common stock. The original
agreement called for an exchange rate value of approximately $17.41 for each
share of Premier common stock.
 
  When the affiliation is completed, Premier will become Banc One Louisiana
Corporation. Completion of the transaction is subject to due diligence,
regulatory approval and other conditions, and it is expected to be completed
during the fourth quarter of 1995. If the transaction is not completed
pursuant to the new agreement, the rights of the parties set forth in the
original agreement will remain in effect.
 
                                      S-2
<PAGE>
 
                                CAPITALIZATION
 
  The following table sets forth the consolidated capitalization of BANC ONE
at March 31, 1995 and as adjusted to give effect to the issuance of the
Securities offered hereby.
 
<TABLE>
<CAPTION>
                                                           MARCH 31, 1995
                                                       -----------------------
                                                         ACTUAL    AS ADJUSTED
                                                       ----------  -----------
                                                       (DOLLARS IN THOUSANDS)
<S>                                                    <C>         <C>
Long-term borrowings: (a)
 BANC ONE CORPORATION:
  7% subordinated notes due 2005 offered hereby....... $           $   300,000
  7.75% subordinated debentures due 2025 offered here-
   by.................................................                 300,000
  7.25% subordinated notes due 2002...................    345,920      345,920
  8.74% subordinated notes due 2003...................    169,870      169,870
  10% subordinated notes due 2010.....................    197,305      197,305
  9.88% subordinated notes due 2009...................    195,787      195,787
 Subsidiary obligations (b):
  Subordinated notes (c)..............................    599,363      599,363
  5.5% Fixed rate Swiss franc bonds due 1995 (d)......     50,476       50,476
  Bank notes (e)......................................    319,810      319,810
  Other (f)...........................................    247,418      247,418
                                                       ----------  -----------
Total long-term borrowings............................  2,125,949    2,725,949
                                                       ----------  -----------
Stockholders' equity:
 Preferred stock, 35,000,000 shares authorized:
  Series C convertible, no par value, 4,997,999 shares
   issued and outstanding.............................    249,900      249,900
 Common stock, no par value, $5 stated value,
  600,000,000 shares authorized, 410,009,224 shares
  issued..............................................  2,050,046    2,050,046
 Capital in excess of aggregated stated value of com-
  mon stock...........................................  3,810,815    3,810,815
 Retained earnings....................................  2,082,213    2,082,213
 Net unrealized holding losses on securities available
  for sale, net of tax................................    (56,503)     (56,503)
 Treasury stock (15,630,500 shares), at cost..........   (441,006)    (441,006)
                                                       ----------  -----------
Total stockholders' equity............................  7,695,465    7,695,465
                                                       ----------  -----------
Total capitalization.................................. $9,821,414  $10,421,414
                                                       ==========  ===========
</TABLE>
- --------
(a) For additional information, refer to Note 10 to the Consolidated Financial
    Statements contained in BANC ONE's Annual Report on Form 10-K for the year
    ended December 31, 1994 filed with the Commission, as incorporated herein
    by reference.
(b) Direct obligations of subsidiaries of BANC ONE and, as such, constitute
    claims against the subsidiaries prior to BANC ONE's equity therein.
(c) These notes have stated rates ranging from 6.0% to 7.375%. The notes
    mature between 2002 and 2005.
(d) Payment of principal and interest guaranteed by BANC ONE.
(e) These notes have stated or variable rates ranging from 6.285% to 7.80% at
    March 31, 1995. The notes mature in 1996.
(f) Due in installments and have various maturities and rates.
 
  At March 31, 1995, BANC ONE (parent company only) had $1.29 billion of
commercial paper outstanding and unused lines of credit aggregating $1.60
billion principally to support commercial paper borrowings. Through March 31,
1995, the highest month end balance of its commercial paper outstanding was
$1.31 billion and the average daily balance was $1.23 billion. At June 30,
1995, BANC ONE had $1.37 billion of commercial paper outstanding and unused
lines of credit aggregating $2.0 billion principally to support commercial
paper borrowings.
 
                                      S-3
<PAGE>
  
                     SELECTED CONSOLIDATED FINANCIAL DATA
 
  The following table contains selected consolidated financial data for BANC
ONE and all majority-owned subsidiaries for the three months ended March 31,
1995 and 1994 and for each of the years in the five-year period ended December
31, 1994. The selected consolidated financial data have been restated for all
significant pooling acquisitions, unless otherwise indicated. The summary
below should be read in conjunction with the Consolidated Financial Statements
of BANC ONE and the related Notes thereto and Management's Discussion and
Analysis which are contained in BANC ONE's Annual Report on Form 10-K for the
year ended December 31, 1994 and Quarterly Report on Form 10-Q for the quarter
ended March 31, 1995 filed with the Commission and are incorporated herein by
reference. See "Incorporation of Certain Documents by Reference" in the
accompanying Prospectus.
 
<TABLE>
<CAPTION>
                               THREE MONTHS
                            ENDED MARCH 31, (A)                       YEAR ENDED DECEMBER 31,
                          ------------------------  ---------------------------------------------------------------
                             1995         1994         1994         1993         1992       1991 (B)     1990 (B)
                          -----------  -----------  -----------  -----------  -----------  -----------  -----------
                                                        (DOLLARS IN THOUSANDS)
<S>                       <C>          <C>          <C>          <C>          <C>          <C>          <C>
Income Summary
 Interest income........  $ 1,717,305  $ 1,555,052  $ 6,437,486  $ 6,056,626  $ 6,242,389  $ 5,830,686  $ 5,407,742
 Interest expense.......     (713,706)    (452,343)  (2,248,841)  (1,775,751)  (2,273,826)  (2,914,421)  (3,079,750)
                          -----------  -----------  -----------  -----------  -----------  -----------  -----------
 Net interest income....    1,003,599    1,102,709    4,188,645    4,280,875    3,968,563    2,916,265    2,327,992
 Provision for loan and
  lease losses..........      (66,517)     (80,172)    (242,269)    (388,261)    (630,731)    (611,851)    (469,597)
                          -----------  -----------  -----------  -----------  -----------  -----------  -----------
 Net interest income af-
  ter provision for loan
  and lease losses......      937,082    1,022,537    3,946,376    3,892,614    3,337,832    2,304,414    1,858,395
 Non-interest income....      462,180      371,660    1,340,455    1,490,504    1,498,268    1,393,203    1,119,126
 Non-interest expense...     (928,034)    (885,688)  (3,767,979)  (3,612,406)  (3,494,851)  (2,768,670)  (2,250,211)
                          -----------  -----------  -----------  -----------  -----------  -----------  -----------
 Income before income
  taxes and cumulative
  effect of accounting
  change................      471,228      508,509    1,518,852    1,770,712    1,341,249      928,947      727,310
 Income taxes...........     (168,710)    (181,559)    (513,743)    (598,609)    (419,022)    (225,561)    (158,454)
                          -----------  -----------  -----------  -----------  -----------  -----------  -----------
 Income before
  cumulative effect of
  accounting change.....      302,518      326,950    1,005,109    1,172,103      922,227      703,386      568,856
 Cumulative effect of
  accounting change (c).                                              19,391
                          -----------  -----------  -----------  -----------  -----------  -----------  -----------
 Net income.............  $   302,518  $   326,950  $ 1,005,109  $ 1,191,494  $   922,227  $   703,386  $   568,856
                          ===========  ===========  ===========  ===========  ===========  ===========  ===========
Period Ending Balances
 Net loans and leases...  $61,610,189  $57,660,846  $61,095,732  $56,553,121  $50,082,346  $46,596,524  $36,500,268
 Earning assets.........   78,486,088   79,614,514   79,787,742   75,822,665   71,730,405   69,055,529   52,372,749
 Total assets...........   87,830,458   88,453,395   88,922,586   84,834,656   81,304,864   78,178,604   60,323,593
 Deposits...............   65,407,890   64,187,102   68,090,054   65,022,400   65,515,822   64,540,375   48,274,112
 Borrowed funds:
 Short-term.............    9,919,684   13,433,022    9,621,769    9,057,200    6,390,631    5,348,054    5,284,517
 Long-term..............    2,125,949    1,844,334    1,866,448    1,805,272    1,396,797      983,077      847,574
 Total stockholders' eq-
  uity..................    7,695,465    7,613,373    7,564,860    7,433,170    6,594,813    5,879,957    4,789,995
Selected Financial Ra-
 tios (d)(e)
 Return on assets.......         1.42%        1.57%        1.15%        1.50%        1.20%        1.10%        1.01%
 Return on common stock-
  holders' equity.......        16.61        17.81        13.35        17.58        15.14        13.53        12.79
 Net interest margin
  (f)...................         5.33         6.05         5.46         6.19         5.91         5.31         4.94
 Efficiency Ratio (g)...         62.8         59.3         64.1         61.8         63.1         63.4         63.1
 Net loans and leases to
  deposits..............        92.23        87.82        90.07        82.86        77.09        77.98        79.53
 Common stockholders'
  equity to assets......         8.40         8.70         8.50         8.40         7.74         7.95         7.90
 Net charge-offs to
  loans and leases......         0.49         0.54         0.53         0.73         1.20         1.40         1.38
 Ending reserves to
  loans and leases......         1.42         1.66         1.45         1.68         1.85         1.86         1.89
 Nonperforming assets
  (h):
 Ending total...........  $   449,559  $   600,172  $   465,674  $   643,158  $   900,434  $ 1,177,203  $ 1,147,341
 Ending percent of loans
  and leases............         0.72%        1.02%        0.75%        1.12%        1.75%        2.41%        3.08%
 Accruing loans delin-
  quent 90 or more days
  (not included in
  nonperforming):
 Ending total...........  $   172,921  $   189,010  $   173,456  $   207,816  $   211,832  $   296,309  $   199,718
 Ending percent of loans
  and leases............         0.28%        0.32%        0.28%        0.36%        0.41%        0.61%        0.54%
 Capital Ratios (i)
 Tier 1 ratio...........        10.23%       10.67%        9.93%       10.51%       10.10%        9.40%        9.27%
 Total capital ratio....        13.62        14.30        13.33        14.19        13.53        12.28        12.29
 Leverage ratio.........         8.58         8.68         8.28         8.66         8.22         7.87         8.01
</TABLE>
- -------
(a) The three months results are unaudited. However, in the opinion of
    management they contain the adjustments (all of which are normal and
    recurring in nature) necessary to present fairly the financial position
    and results of operations.
(b) Bank One, Texas, NA is accounted for on the equity basis prior to October
    1, 1991.
(c) In 1993, BANC ONE adopted Statement of Financial Accounting Standards No.
    109 "Accounting for Income Taxes."
(d) Unless otherwise indicated, all ratios have been calculated based upon
    average daily balances.
(e) Quarterly ratios presented on an annualized basis.
(f) Fully taxable equivalent basis.
(g) Non-interest expense divided by net interest income (f) plus non-interest
    income excluding securities transactions.
(h) Nonperforming assets include loans on nonaccrual status, renegotiated
    loans and other real estate owned.
(i) Capital ratios have not been restated for acquisitions. Amounts are as
    originally reported and have been calculated based upon ending balances.
 
                                      S-4
<PAGE>
  
                                USE OF PROCEEDS
 
  BANC ONE intends to use the net proceeds from the sale of the Securities
offered hereby to reduce commercial paper outstanding in an amount to be
determined and for other general corporate purposes as described under "Use of
Proceeds" in the accompanying Prospectus. At June 30, 1995, BANC ONE (parent
company only) had $1.37 billion of commercial paper outstanding with an
average interest rate of 6.0% and an average remaining maturity of 34 days.
The proceeds from the issuance of the commercial paper was primarily used to
fund earning assets for nonbank affiliates and to purchase 18 million shares
of BANC ONE common stock, for use in the acquisition of Premier, for an
aggregate amount of $515 million.
 
                         DESCRIPTION OF THE SECURITIES
 
  The Notes and the Debentures will each constitute a series of Subordinated
Securities, as such term is defined in the accompanying Prospectus. The
following description of the particular terms of the Securities offered hereby
supplements, and to the extent inconsistent therewith replaces, the
description of the general terms and provisions of the Securities set forth in
the accompanying Prospectus, to which description reference is hereby made.
The accompanying Prospectus sets forth the meaning of certain capitalized
terms used herein and not otherwise defined herein.
 
CERTAIN TERMS OF THE NOTES
 
  The Notes are a series of Subordinated Securities described in the
accompanying Prospectus, will be limited to $300 million aggregate principal
amount and will mature on July 15, 2005. Reference should be made to the
accompanying Prospectus for a detailed summary of additional provisions of the
Notes and of the Indenture dated as of July 1, 1995 (the "Subordinated
Indenture") between BANC ONE and Citibank, N.A., as trustee (the "Trustee"),
under which the Notes are issued.
 
  The Notes will bear interest at the rate of 7% per annum from July 25, 1995,
payable semiannually in arrears on January 15 and July 15 of each year,
commencing January 15, 1996, to the persons in whose names the Notes (or any
predecessor Notes) are registered at the close of business on the preceding
January 1 or July 1, each a record date, as the case may be. Interest will be
computed on the basis of a 360-day year consisting of twelve 30-day months.
 
  The Notes may not be redeemed prior to their stated maturity and will not be
subject to any sinking fund.
 
CERTAIN TERMS OF THE DEBENTURES
 
  The Debentures are a series of Subordinated Securities described in the
accompanying Prospectus, will be limited to $300 million aggregate principal
amount and will mature on July 15, 2025. Reference should be made to the
accompanying Prospectus for a detailed summary of additional provisions of the
Debentures and of the Subordinated Indenture under which the Debentures are
issued.
 
  The Debentures will bear interest at the rate of 7 3/4% per annum from July
25, 1995, payable semiannually in arrears on January 15 and July 15 of each
year, commencing January 15, 1996, to the persons in whose names the
Debentures (or any predecessor Debentures) are registered at the close of
business on the preceding January 1 or July 1, each a record date, as the case
may be. Interest will be computed on the basis of a 360-day year consisting of
twelve 30-day months.
 
  The Debentures may not be redeemed prior to their stated maturity and will
not be subject to any sinking fund.
 
SUBORDINATION
 
  The Notes and the Debentures will be unsecured and will be subordinated and
junior in right of payment to BANC ONE's obligations to the holders of Senior
Indebtedness and General Obligations of BANC ONE as described under
"Subordinated Securities" in the accompanying Prospectus. At June 30, 1995,
the aggregate amount of Senior Indebtedness and General Obligations of BANC
ONE was approximately $1.5 billion. Of this amount, $154 million represents
certain amounts due to affiliates and guarantees of certain affiliates' debt.
 
 
                                      S-5
<PAGE>
  
LIMITED RIGHTS OF ACCELERATION
 
  Payment of principal of the Notes or the Debentures may be accelerated only
in the case of the bankruptcy, insolvency or reorganization of BANC ONE. There
is no right of acceleration in the case of a default in the payment of
principal of, premium, if any or interest on the Notes or the Debentures or in
the performance of any other covenant of BANC ONE in the Subordinated
Indenture or in the Securities. See "Subordinated Securities--Limited Rights
of Acceleration" in the accompanying Prospectus.
 
DELIVERY AND FORM
 
  The Securities initially will be represented by one or more global
securities ("Global Securities") deposited with The Depository Trust Company
("DTC") and registered in the name of the nominee of DTC, except as set forth
below. The Securities will be available for purchase in denominations of
$1,000 and integral multiples thereof, in book-entry form only. Unless and
until certificated Securities are issued under the limited circumstances
described below, no beneficial owner of a Security shall be entitled to
receive a definitive certificate representing a Security. So long as DTC or
any successor depositary (collectively, the "Depositary") or its nominee is
the registered holder of the Global Securities, the Depositary, or such
nominee, as the case may be, will be considered to be the sole owner or holder
of the Securities for all purposes of the Subordinated Indenture.
 
BOOK-ENTRY SYSTEM
 
  DTC has advised BANC ONE that it is a limited-purpose trust company
organized under the laws of the State of New York, a member of the Federal
Reserve System, a "clearing corporation" within the meaning of the New York
Uniform Commercial Code, and a "clearing agency" registered pursuant to the
provisions of Section 17A of the Exchange Act. DTC was created to hold
securities for its participating organizations (the "Participants") and
facilitate the clearance and settlement of securities transactions between
Participants through electronic book-entry changes in accounts of its
Participants, thereby eliminating the need for physical movement of
certificates. Participants include securities brokers and dealers, banks,
trust companies and clearing corporations and may include certain other
organizations (including the Underwriters). Indirect access to the DTC system
also is available to others such as banks, brokers, dealers and trust
companies that clear through or maintain a custodial relationship with a
Participant, either directly or indirectly (the "Indirect Participants").
Beneficial owners of the Securities that are not Participants or Indirect
Participants but desire to purchase, sell or otherwise transfer ownership of,
or other interest in, the Securities may do so only through Participants and
Indirect Participants.
 
  Payments with respect to the Global Securities will be made by the Paying
Agent to DTC or any successor depositary, or its nominee. BANC ONE expects
that any such Depositary, or its nominee, upon receipt of any payment of
principal of or interest on the Global Securities will credit the accounts of
its Participants with payments in amounts proportionate to such Participants'
ownership interest in the Global Securities. Beneficial owners of the
Securities, directly or indirectly, will receive distributions of principal
and interest in proportion to their beneficial ownership through the
Participants. Consequently, any payments to beneficial owners of the
Securities will be subject to the terms, conditions and time of payment
required by the Depositary, the Participants and Indirect Participants, as
applicable. BANC ONE expects that such payments will be governed by standing
instructions and customary practices, as is now the case with securities held
for the accounts of customers registered in "street name." Such payments will
be the responsibility of such Participants and Indirect Participants. Neither
BANC ONE, the Trustee for the Securities, any Paying Agent nor the Note
Registrar for the Securities will have any responsibility or liability for any
aspect of the records relating to or payments made on account of beneficial
ownership interests in the Securities or for maintaining, supervising or
reviewing any records relating to such beneficial ownership interests.
 
  Under the rules, regulations and procedures creating and affecting DTC and
its operations, DTC is required to make book-entry transfers among
Participants on whose behalf it acts with respect to the Securities and is
 
                                      S-6
<PAGE>
  
required to receive and transmit distributions of principal and interest on
the Securities. Participants and Indirect Participants with which beneficial
owners of the Securities have accounts similarly are required to make book-
entry transfers and receive and transmit such payments on behalf of their
respective beneficial owners of the Securities. Accordingly, although
beneficial owners of the Securities will not possess certificated Securities,
beneficial owners will receive payments and will be able to transfer their
interests.
 
  Since it is anticipated that the only holder of the Securities will be the
Depositary or its nominee, beneficial owners of the Securities will not be
recognized as holders of the Securities under the Subordinated Indenture
unless certificated definitive Securities are issued. So long as the
Securities are represented by the Global Securities, beneficial owners of the
Securities will only be permitted to exercise the rights of holders of
Securities indirectly through the Participants who in turn will exercise such
rights through the Depositary.
 
  If the Depositary is at any time unwilling, unable or ineligible to continue
as depositary and a successor depositary is not appointed by BANC ONE within
90 days, BANC ONE will issue individual Securities in definitive form in
exchange for the Global Securities representing the Securities. In addition,
BANC ONE may at any time and in its sole discretion determine not to have the
Securities represented by Global Securities and, in such event, will issue
individual Securities in definitive form in exchange for the Global Securities
representing the Securities. In either instance, BANC ONE will issue
Securities in definitive form equal in aggregate principal amount to the
Global Securities, in such names and in such principal amounts as the
Depositary shall request. Securities so issued in definitive form will be
issued in denominations of $1,000 and integral multiples thereof and will be
issued in registered form only without coupons.
 
SAME-DAY SETTLEMENT AND PAYMENT
 
  Settlement for the Securities will be made by the Underwriters in
immediately available funds. So long as the Securities are represented by the
Global Securities, all payments of principal and interest will be made by BANC
ONE in immediately available funds.
 
  Secondary trading in long-term notes and debentures of corporate issuers is
generally settled in clearinghouse or next-day funds. In contrast, the
Securities will trade in the Depositary's Same-Day Funds Settlement System
until maturity, and secondary market trading activity in the Securities will
therefore be required by the Depositary to settle in immediately available
funds. No assurance can be given as to the effect, if any, of settlement in
immediately available funds on trading activity in the Securities.
 
                                      S-7
<PAGE>
  
                                 UNDERWRITING
 
  Subject to the terms and conditions set forth in an underwriting agreement
(the "Underwriting Agreement"), BANC ONE has agreed to sell to each of the
Underwriters named below, and each of the Underwriters has severally agreed to
purchase, the principal amount of Securities set forth opposite its name
below.
 
<TABLE>
<CAPTION>
                                               PRINCIPAL AMOUNT PRINCIPAL AMOUNT
   UNDERWRITERS                                    OF NOTES      OF DEBENTURES
   ------------                                ---------------- ----------------
   <S>                                         <C>              <C>
   Salomon Brothers Inc ......................   $150,000,000     $150,000,000
   Goldman, Sachs & Co. ......................    150,000,000      150,000,000
                                                 ------------     ------------
     Total....................................   $300,000,000     $300,000,000
                                                 ============     ============
</TABLE>
 
  The Underwriting Agreement provides that the obligations of the Underwriters
to pay for and accept delivery of the Securities are subject to certain
conditions precedent, that the Underwriting Agreement may be terminated under
certain circumstances, and that the Underwriters will be obligated to purchase
all of the Securities if any are purchased.
 
  BANC ONE has been advised by the Underwriters that the Underwriters propose
initially to offer the Securities to the public at the public offering price
set forth on the cover page of this Prospectus Supplement and to certain
dealers at such price less a concession, in the case of the Notes, not in
excess of .400%, and in the case of the Debentures, not in excess of .500%, of
the principal amount thereof. The Underwriters may allow, and such dealers may
reallow, a concession not in excess of .250% of the principal amount of the
Notes or the Debentures, as the case may be, on sales to other dealers. After
the initial public offering, the public offering price and such concessions
may be changed.
 
  The Underwriting Agreement provides that BANC ONE will indemnify the several
Underwriters against certain civil liabilities, including liabilities under
the Securities Act of 1933, or contribute to payments which the Underwriters
may be required to make in respect thereof.
 
  The Notes and the Debentures are each a new issue of securities with no
established trading market. BANC ONE does not intend to apply for listing of
the Notes or the Debentures on a national securities exchange, but has been
advised by the Underwriters that they presently intend to make a market in the
Notes and the Debentures, as permitted by applicable laws and regulations. The
Underwriters are not obligated, however, to make a market in the Notes or the
Debentures, and any such market making may be discontinued at any time at the
sole discretion of the Underwriters. Accordingly, no assurance can be given as
to the liquidity of, or the trading market for, the Notes or the Debentures.
 
  The Underwriters and certain of their affiliates and associates may be
customers of, have borrowing relationships with, engage in transactions with,
and/or perform services, including investment banking services, for, BANC ONE
and its affiliates in the ordinary course of business.
 
  Banc One Capital Corporation, an affiliate of BANC ONE, will act as a
selling agent in connection with the sale of the Securities to the extent
permitted by applicable law. The participation of Banc One Capital Corporation
in the offer and sale of the Securities will comply with Schedule E of the By-
laws of the National Association of Securities Dealers, Inc. regarding the
offer and sale of securities of an affiliate.
 
                                      S-8
<PAGE>

 
 
PROSPECTUS
 
                                                                           LOGO
 
                             BANC ONE CORPORATION
                                DEBT SECURITIES
 
  BANC ONE CORPORATION ("BANC ONE") may issue from time to time, together or
separately, in one or more series, its unsecured debt securities ("Debt
Securities"), which may be either senior (the "Senior Securities") or
subordinated (the "Subordinated Securities") in priority of payment, in
amounts, at prices and on terms to be determined at the time of the offering.
 
  BANC ONE may issue Debt Securities for proceeds up to an aggregate of
$1,000,000,000, or the equivalent thereof if any of the Debt Securities are
denominated in a foreign currency or a foreign currency unit, including the
European Currency Unit ("ECU"). The Debt Securities of each series will be
offered on terms determined at the time of sale. The Debt Securities may be
sold for U.S. dollars, foreign currencies or foreign currency units, and the
principal of, and any interest on, the Debt Securities may be payable in U.S.
dollars, foreign currencies or foreign currency units.
 
  The Senior Securities will rank equally with all other unsubordinated and
unsecured indebtedness of BANC ONE. The Subordinated Securities will be
unsecured and subordinated as described under "Subordinated Securities".
 
  Unless otherwise specified in the Prospectus Supplement relating to
Subordinated Securities, payment of the principal of Subordinated Securities
may be accelerated only in the case of certain events involving the
bankruptcy, insolvency or reorganization of BANC ONE, and no right of
acceleration will exist in the case of default in the payment of principal of,
premium, if any, or interest on the Subordinated Securities or in the
performance of any other covenant.
 
  When a particular series of Debt Securities, in respect of which this
Prospectus is being delivered, is offered, a supplement to this Prospectus
(the "Prospectus Supplement") setting forth certain terms of the offered Debt
Securities will be delivered together with this Prospectus. The applicable
Prospectus Supplement, among other things and where applicable, will include
the specific designation, priority, aggregate principal amount, currency or
currency unit, rate (or method of calculation) and time of payment of any
interest, authorized denominations, maturity, offering price, place or places
of payment, redemption terms, terms of any repayment at the option of the
holder, special provisions relating to Debt Securities in bearer form, terms
for sinking fund payments, provisions regarding original issue discount
securities and other terms of such Debt Securities.
 
  The Prospectus Supplement will also contain information, where applicable,
about certain U.S. federal income tax considerations relating to, and any
listing on a securities exchange of, the Debt Securities covered by the
Prospectus Supplement.
 
                                                                    (Continued)
 
THESE SECURITIES ARE NOT SAVINGS OR DEPOSIT ACCOUNTS OR OTHER OBLIGATIONS OF
ANY BANK OR NONBANK SUBSIDIARY OF BANC ONE AND ARE NOT INSURED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE BANK INSURANCE FUND OR ANY OTHER
GOVERNMENTAL AGENCY.
 
                                ---------------
 
   THESE SECURITIES  HAVE NOT  BEEN APPROVED OR  DISAPPROVED BY
   THE   SECURITIES  AND  EXCHANGE  COMMISSION  OR  ANY   STATE
    SECURITIES COMMISSION NOR HAS  THE SECURITIES AND EXCHANGE
    COMMISSION OR ANY  STATE SECURITIES COMMISSION PASSED UPON
     THE  ACCURACY  OR  ADEQUACY   OF  THIS  PROSPECTUS.  ANY
     REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
 
                                ---------------
 
                 The date of this Prospectus is July 18, 1995.
<PAGE>
 
  The Debt Securities may be sold by BANC ONE directly, through agents
designated from time to time, through underwriting syndicates led by one or
more managing underwriters or through one or more underwriters acting alone.
If any agent of BANC ONE, or any underwriter, is involved in the sale of the
Debt Securities, the name of such agent or underwriter, the principal or
stated amount to be purchased by it, any applicable commissions or discounts
and the net proceeds to BANC ONE from such sale will be set forth in, or may
be calculated from, the Prospectus Supplement. BANC ONE may also issue
contracts under which the counterparty may be required to purchase Debt
Securities. Such contracts would be issued with the Debt Securities in
amounts, at prices and on terms to be set forth in the applicable Prospectus
Supplement. The aggregate net proceeds to BANC ONE from the sale of all the
Debt Securities will be the public offering or purchase price of the Debt
Securities sold less the aggregate of such commissions and discounts and other
expenses of issuance and distribution. See "Plan of Distribution".
 
 
                                       2
<PAGE>
 
NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR TO MAKE ANY
REPRESENTATION OTHER THAN THOSE CONTAINED OR INCORPORATED BY REFERENCE IN THIS
PROSPECTUS AND THE PROSPECTUS SUPPLEMENT IN CONNECTION WITH THE OFFERING MADE
HEREBY, AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST NOT BE
RELIED UPON AS HAVING BEEN AUTHORIZED BY BANC ONE OR BY ANOTHER PERSON. THIS
PROSPECTUS AND THE PROSPECTUS SUPPLEMENT DO NOT CONSTITUTE AN OFFER TO SELL OR
A SOLICITATION OF AN OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
JURISDICTION.
 
                             AVAILABLE INFORMATION
 
  BANC ONE is subject to the informational requirements of the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), and in accordance
therewith files reports and other information with the Securities and Exchange
Commission (the "Commission"). Information, as of particular dates, concerning
directors and executive officers, their compensation, options granted to them,
the principal holders of securities of BANC ONE and any material interest of
such persons in transactions with BANC ONE is disclosed in proxy statements
distributed to stockholders of BANC ONE and filed with the Commission. Such
reports, proxy statements and other information can be inspected and copied at
the Public Reference Room of the Commission at 450 Fifth Street, N.W.,
Washington, D.C. 20549, and the Commission's Regional Offices at 500 West
Madison Street, Suite 1400, Chicago, Illinois 60661 and Seven World Trade
Center (13th Floor), New York, New York 10048. Copies of such material can be
obtained from the Public Reference Section of the Commission at 450 Fifth
Street, N.W., Washington, D.C. 20549 at prescribed rates. In addition, such
reports, proxy statements and other material concerning BANC ONE can be
inspected at the offices of the New York Stock Exchange, 20 Broad Street, New
York, New York.
 
  BANC ONE has filed with the Commission a Registration Statement under the
Securities Act of 1933, as amended (the "Securities Act"), with respect to the
Debt Securities being offered by this Prospectus. This Prospectus does not
contain all the information set forth in the Registration Statement, certain
portions of which have been omitted as permitted by the rules and regulations
of the Commission. For further information with respect to BANC ONE and the
Debt Securities, reference is made to the Registration Statement, including
the exhibits thereto. The Registration Statement may be inspected by anyone
without charge at the principal office of the Commission in Washington, D.C.
and copies of all or any part of it may be obtained from the Commission upon
payment of the prescribed fees.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
  The following documents heretofore filed by BANC ONE with the Commission
pursuant to Section 13 of the Exchange Act are incorporated herein by
reference:
 
  (i)  BANC ONE's Annual Report on Form 10-K for the year ended December 31,
       1994 (as amended by Form 10-K/A filed April 4, 1995 and Form 10-K/A
       filed June 29, 1995); and
 
  (ii) BANC ONE's Quarterly Report on Form 10-Q for the quarter ended March
       31, 1995.
 
  All documents filed pursuant to Section 13(a), 13(c), 14 or 15(d) of the
Exchange Act subsequent to the date of this Prospectus and prior to the
termination of the offering of the Debt Securities shall be deemed to be
incorporated by reference into this Prospectus and to be a part hereof from
the date of filing of such documents. Any statement contained in a document
incorporated or deemed to be incorporated by reference herein shall be deemed
to be modified or superseded for purposes of this Prospectus to the extent
that a statement contained herein or in any other subsequently filed document
which also is or is deemed to be incorporated by reference herein modifies or
supersedes such statement. Any such statement so modified or superseded shall
not be deemed, except as so modified or superseded, to constitute a part of
this Prospectus.
 
                                       3
<PAGE>
 
ANY PERSON RECEIVING A COPY OF THIS PROSPECTUS MAY OBTAIN WITHOUT CHARGE, UPON
WRITTEN OR ORAL REQUEST, A COPY OF ANY OF THE DOCUMENTS INCORPORATED BY
REFERENCE HEREIN, EXCEPT FOR THE EXHIBITS TO SUCH DOCUMENTS (UNLESS SUCH
EXHIBITS ARE SPECIFICALLY INCORPORATED BY REFERENCE INTO SUCH DOCUMENTS).
REQUESTS SHOULD BE ADDRESSED TO BANC ONE CORPORATION, 100 EAST BROAD STREET,
COLUMBUS, OHIO 43271-0251, ATTENTION: JACQUELINE R. SPAK, (614) 248-1280.
 
                                       4
<PAGE>
 
                             BANC ONE CORPORATION
 
  BANC ONE is a multi-bank holding company that, at March 31, 1995, had a
total of 65 bank subsidiaries (the "affiliate banks") in Arizona, Colorado,
Illinois, Indiana, Kentucky, Ohio, Oklahoma, Texas, Utah, West Virginia and
Wisconsin. At March 31, 1995, BANC ONE had consolidated total assets of $87.8
billion, consolidated total deposits of $65.4 billion and consolidated total
stockholders' equity of $7.7 billion (8.8% of its consolidated total assets).
At March 31, 1995, BANC ONE ranked 8th among the nation's publicly owned bank
holding companies in terms of consolidated average total assets and 6th in
terms of consolidated average common equity. BANC ONE's 1994 consolidated net
income of $1.01 billion ranked 7th among the nation's publicly owned bank
holding companies.
 
  At December 31, 1994 BANC ONE's affiliate banks held the largest statewide
share of total bank deposits in Arizona and Kentucky, the second largest share
of such deposits in Indiana, Ohio and West Virginia, and the third largest
share of such deposits in Colorado, Wisconsin and Texas. BANC ONE has smaller
statewide market shares in the other states in which BANC ONE operates banks.
At March 31, 1995, except for Bank One Texas, N.A., no single BANC ONE
affiliate bank accounted for more than 20% of BANC ONE's consolidated total
assets. BANC ONE also operates additional corporations that engage in data
processing, venture capital, investment and merchant banking, trust,
brokerage, investment management, equipment leasing, mortgage banking, credit
card, consumer finance and insurance.
 
  Since its formation in 1968, BANC ONE has acquired over 100 banking
institutions and the number of banking offices of its affiliate banks has
increased from 24 to over 1,400. BANC ONE continues to explore opportunities
to acquire banks and nonbank companies permitted by the Bank Holding Company
Act. Discussions are continually being carried on relating to such
acquisitions. It is not presently known whether, or on what terms, such
discussions will result in further acquisitions. Such acquisitions may be
pending, from time to time, during the time that the Debt Securities are being
offered. BANC ONE's acquisition strategy is flexible in that it does not
require BANC ONE to effect specific acquisitions so as to enter certain
markets or to attain specified growth levels. Rather than being market driven
or size motivated, BANC ONE's acquisition strategy reflects BANC ONE's
willingness to consider potential acquisitions wherever and whenever such
opportunities arise based on the then-existing market conditions and other
circumstances. Banks to be acquired must be of sufficient size to support and
justify having management of a caliber capable of making lending and other
management decisions at the local level under BANC ONE's operating philosophy.
BANC ONE also is willing from time to time to acquire a smaller bank when it
can be acquired through a reorganization into an existing affiliate. BANC
ONE's interest in the acquisition of nonbank companies has been limited to
bank-related services with which BANC ONE already has familiarity. BANC ONE's
acquisitions may be made by the exchange of stock, through cash purchases and
with other consideration.
 
  BANC ONE is a legal entity separate and distinct from its affiliate banks
and its nonbanking subsidiaries (collectively, the "affiliates"). Accordingly,
the right of BANC ONE, and thus the right of BANC ONE's creditors and
shareholders, to participate in any distribution of the assets or earnings of
any affiliate is necessarily subject to the prior claims of creditors of the
affiliate except to the extent that claims of BANC ONE in its capacity as a
creditor may be recognized. The principal sources of BANC ONE's revenues are
dividends and fees from its affiliates. See "Regulatory Matters" for a
discussion of the restrictions on the affiliate banks' ability to pay
dividends to BANC ONE.
 
  BANC ONE is incorporated in Ohio and has functioned as a multi-bank holding
company since 1968. Its executive offices are located at 100 East Broad
Street, Columbus, Ohio 43271, and its telephone number is (614) 248-5944.
 
 
                                       5
<PAGE>
  

                      RATIO OF EARNINGS TO FIXED CHARGES
 
<TABLE>
<CAPTION>
                                     THREE MONTHS  YEARS ENDED DECEMBER 31,
                                        ENDED      ----------------------------
                                    MARCH 31, 1995 1994  1993  1992  1991  1990
                                    -------------- ----  ----  ----  ----  ----
<S>                                 <C>            <C>   <C>   <C>   <C>   <C>
Excluding interest on deposits.....      3.65x     3.40x 6.08x 5.17x 3.21x 2.55x
Including interest on deposits.....      1.65      1.66  1.97  1.58  1.31  1.23
</TABLE>
 
  Earnings are comprised of income before income taxes, change in accounting
principle and equity in earnings of Bank One, Texas, N.A., plus fixed charges.
Fixed charges include interest expense (including the interest factor of
capitalized leases, capitalized interest and amortization of deferred debt
expense) plus the portion of rental payments under operating leases deemed to
be interest. Results of Bank One, Texas, N.A. are consolidated beginning
October 1, 1991.
 
                                USE OF PROCEEDS
 
  BANC ONE currently intends to use the net proceeds from the sale of any Debt
Securities for general corporate purposes, which may include the reduction of
short-term indebtedness, investments at the holding company level, investments
in or extensions of credit to its affiliates and other banks and companies
engaged in other financial service activities, possible acquisitions and such
other purposes as may be stated in any Prospectus Supplement. Pending such
use, the net proceeds may be temporarily invested. The precise amounts and
timing of the application of proceeds will depend upon the funding
requirements of BANC ONE and its affiliates and the availability of other
funds. Except as may be described in any Prospectus Supplement, specific
allocations of the proceeds to such purposes will not have been made at the
date of such Prospectus Supplement. Based upon the historical and anticipated
future growth of BANC ONE and the financial needs of its affiliates, BANC ONE
may engage in additional financings of a character and amount to be determined
as the need arises.
 
                              REGULATORY MATTERS
 
GENERAL
 
  BANC ONE is subject to the supervision of, and to regular inspection by, the
Board of Governors of the Federal Reserve System (the "Federal Reserve"). BANC
ONE's principal affiliate banks are organized as national banking
associations, which are subject to regulation by the Office of the Comptroller
of the Currency ("OCC"). In addition, various state authorities regulate BANC
ONE's state affiliate banks, and all of BANC ONE's affiliate banks are subject
to regulation in some degree by the Federal Reserve and the Federal Deposit
Insurance Corporation (the "FDIC"). In addition to banking laws, regulations
and regulatory agencies, BANC ONE and its affiliates are subject to various
other laws, regulations and regulatory agencies, all of which directly or
indirectly affect BANC ONE's operations, management and ability to make
distributions. The following discussion summarizes certain aspects of those
laws and regulations that affect BANC ONE.
 
  Proposals to change the laws and regulations governing the banking industry
are frequently raised in Congress, in the state legislatures and by the
various bank regulatory agencies. The likelihood and timing of any legislative
or regulatory changes and the impact such changes might have on BANC ONE and
its affiliates are difficult to determine.
 
  BANC ONE's affiliate banks are affected by various state and federal laws
and by the fiscal and monetary policies of the federal government and its
agencies, including the Federal Reserve. An important purpose of these fiscal
and monetary policies is to curb inflation and limit recessions through
control of the supply of money and credit. The Federal Reserve uses its powers
to regulate reserve requirements of its member banks, to set the discount rate
on extensions of credit to insured depository institutions and to conduct open
market operations in United States government securities so as to exercise
control over the supply of money and credit. These policies
 
                                       6
<PAGE>
 
directly affect the amount of, and the interest rates on, bank loans and
deposits, and this materially affects bank earnings. Future policies of the
Federal Reserve and other authorities and their effect on future bank earnings
cannot be predicted. Similarly, future changes in state and federal laws and
wage, price and other economic restraints of the federal government and their
effect on future bank earnings cannot be predicted.
 
HOLDING COMPANY STRUCTURE
 
  BANC ONE is a legal entity separate and distinct from its affiliates.
Accordingly, the right of BANC ONE, and thus the rights of BANC ONE's
creditors and shareholders, to participate in any distribution of the assets
or earnings of any affiliate is necessarily subject to the prior claims of
creditors of such affiliate, except to the extent that claims of BANC ONE in
its capacity as a creditor may be recognized. The principal sources of BANC
ONE's revenues are dividends and fees from its affiliates.
 
  BANC ONE's affiliate banks are subject to restrictions under federal law
which limit the transfer of funds by the affiliate banks to BANC ONE and its
nonbanking subsidiaries, whether in the form of loans, extensions of credit,
investments, or asset purchases. Such transfers by any affiliate bank to BANC
ONE or any nonbanking subsidiary are limited in amount to 10% of the bank's
capital and surplus and, with respect to the Corporation and all such
nonbanking subsidiaries, to an aggregate of 20% of such bank's capital and
surplus. Furthermore, such loans and extensions of credit are required to be
secured in specified amounts.
 
  The Federal Reserve has a policy to the effect that a bank holding company
is expected to act as a source of financial and managerial strength to each of
its subsidiary banks and to maintain resources adequate to support each such
subsidiary bank. This support may be required at times when BANC ONE may not
have the resources to provide it. Any capital loans by BANC ONE to any of the
affiliate banks are subordinate in right of payment to deposits and to certain
other indebtedness of such affiliate bank. In addition, in the event of a bank
holding company's bankruptcy any commitment by the bank holding company to a
federal bank regulatory agency to maintain the capital of a subsidiary bank
will be assumed by the bankruptcy trustee and entitled to a priority of
payment.
 
  A depository institution insured by the FDIC can be held liable for any loss
incurred by, or reasonably expected to be incurred by, the FDIC after August
9, 1989, in connection with (i) the default of a commonly controlled FDIC-
insured depository institution or (ii) any assistance provided by the FDIC to
a commonly controlled FDIC-insured depository institution in danger of
default. "Default" is defined generally as the appointment of a conservator or
receiver and "in danger of default" is defined generally as the existence of
certain conditions indicating that a "default" is likely to occur in the
absence of regulatory assistance.
 
  Federal law (12 U.S.C. Section 55) permits the OCC to order the pro rata
assessment of shareholders of a national bank whose capital stock has become
impaired, by losses or otherwise, to relieve a deficiency in such national
bank's capital stock. This statute also provides for the enforcement of any
such pro rata assessment of shareholders of such national bank to cover such
impairment of capital stock by sale, to the extent necessary, of the capital
stock of any assessed shareholder failing to pay the assessment. Similarly,
the laws of certain states provide for such assessment and sale with respect
to banks chartered by such states. BANC ONE, as the sole shareholder of its
affiliate national banks, is subject to such provisions.
 
CAPITAL REQUIREMENTS
 
  BANC ONE is subject to capital ratios, requirements and guidelines imposed
by the Federal Reserve, which are substantially similar to the ratios,
requirements and guidelines imposed by the Federal Reserve, the OCC and the
FDIC on the banks within their respective jurisdictions. These capital
requirements establish higher capital standards for banks and bank holding
companies that assume greater credit risks. For this purpose, a bank's or
holding company's assets and certain specified off-balance sheet commitments
are assigned to four risk categories, each weighted differently based on the
level of credit risk that is ascribed to such assets or commitments. A bank's
or holding company's capital, in turn, is divided into two tiers: core ("Tier
1") capital, which includes common equity, non-cumulative perpetual preferred
stock and related surplus (excluding auction
 
                                       7
<PAGE>
 
rate issues), and minority interests in equity accounts of consolidated
subsidiaries, less goodwill, certain identifiable intangible assets and
certain other assets; and supplementary ("Tier 2") capital, which includes,
among other items, perpetual preferred stock not meeting the Tier 1
definition, mandatory convertible securities, subordinated debt and allowances
for loan and lease losses, subject to certain limitations, less certain
required deductions.
 
  BANC ONE, like other bank holding companies, currently is required to
maintain Tier 1 and total capital (the sum of Tier 1 and supplementary
capital) equal to at least 4% and 8% of its total risk-weighted assets,
respectively. At March 31, 1995 BANC ONE met both requirements, with Tier 1
and total capital equal to 10.23% and 13.62% of its total risk-weighted
assets, respectively.
 
  The Federal Reserve also requires bank holding companies to maintain a
minimum "leverage ratio" (Tier 1 capital to adjusted total assets) of 3%, if
the holding company has the highest regulatory rating and meets certain other
requirements, or of 3% plus an additional cushion of at least 100 to 200 basis
points if the holding company does not meet these requirements. At March 31,
1995 BANC ONE's leverage ratio was 8.58%.
 
  The Federal Reserve may set capital requirements higher than the minimums
noted above for holding companies whose circumstances warrant it. For example,
holding companies experiencing or anticipating significant growth may be
expected to maintain capital ratios including tangible capital positions well
above the minimum levels. The Federal Reserve has not, however, imposed any
such special capital requirement on BANC ONE.
 
  On September 14, 1993, the Federal Reserve, the FDIC and the OCC issued a
joint notice of proposed rulemaking, soliciting comments on a proposal to
revise their risk-based capital standards to take account of interest rate
risk. The notices propose alternative approaches for determining the
additional amount of capital, if any, that may be required to compensate for
interest rate risk. The first approach would reduce a depository institution's
risk-based capital ratio by an amount based on its measured exposure to
interest rate risk in excess of a specified threshold. The second approach
would assess the need for additional capital on a case-by-case basis,
considering both the level of measured exposure and qualitative risk factors.
BANC ONE cannot assess at this point the impact, if any, that such proposals
would have on its capital ratios.
 
DIVIDEND RESTRICTIONS
 
  Various federal and state statutory provisions limit the amount of dividends
BANC ONE's affiliate banks can pay to BANC ONE without regulatory approval.
The approval of the appropriate bank regulator is required for any dividend by
a national bank or by a state-chartered bank that is a member of the Federal
Reserve System (a "state member bank") if the total of all dividends declared
by the bank in any calendar year would exceed the total of its net profits, as
defined by regulatory agencies, for such year combined with its retained net
profits for the preceding two years. In addition, a national bank or a state
member bank may not pay a dividend in an amount greater than its net profits
then on hand. At December 31, 1994, total stockholders' equity of the
affiliate banks approximated $7.2 billion, of which $1.4 billion was available
for payment of dividends to BANC ONE without approval by the applicable
regulatory authority.
 
  In addition, federal bank regulatory authorities have authority to prohibit
the affiliate banks from engaging in an unsafe or unsound practice in
conducting their business. The payment of dividends, depending upon the
financial condition of the bank in question, could be deemed to constitute
such an unsafe or unsound practice. The ability of BANC ONE's affiliate banks
to pay dividends in the future is presently, and could be further, influenced
by bank regulatory policies and capital guidelines.
 
FEDERAL DEPOSIT INSURANCE CORPORATION IMPROVEMENT ACT OF 1991
 
  The Federal Deposit Insurance Corporation Improvement Act of 1991 ("FDICIA")
significantly expanded the regulatory and enforcement powers of federal
banking regulators, in particular the FDIC, and has important consequences for
BANC ONE, its affiliate banks and other depository institutions located in the
United States.
 
 
                                       8
<PAGE>
 
  A major feature of FDICIA is the comprehensive directions it gives to
federal banking regulators to promptly direct or require the correction of
problems at inadequately capitalized banks in the manner that is least costly
to the federal deposit insurance funds. The degree of corrective regulatory
involvement in the operations and management of banks and their holding
companies is, under FDICIA, largely determined by the actual or anticipated
capital positions of the subject institution.
 
  FDICIA established five tiers of capital measurement for regulatory purposes
ranging from "well capitalized" to "critically undercapitalized." Under
regulations adopted by the federal banking agencies, a depository institution
is well capitalized if it significantly exceeds the minimum level required by
regulation for each relevant capital measure, adequately capitalized if it
meets such measure, undercapitalized if it fails to meet any such measure,
significantly undercapitalized if it is significantly below such measure and
critically undercapitalized if its tangible equity is not greater than 2% of
total tangible assets. A depository institution may be deemed to be in a
capitalization category lower than is indicated by its actual capital position
if it receives an unsatisfactory examination rating. FDICIA requires banking
regulators to take increasingly strong corrective steps, based on the capital
tier of any subject bank, to cause such bank to achieve and maintain capital
adequacy. Even if a bank is adequately capitalized, however, the banking
regulators are authorized to apply corrective measures if the bank is
determined to be in an unsafe or unsound condition or engaging in an unsafe or
unsound activity.
 
  Depending on the level of capital of an insured depository institution, the
banking regulatory agencies' corrective powers can include: requiring a
capital restoration plan; placing limits on asset growth and restrictions on
activities; requiring the institution to reduce total assets; requiring the
institution to issue additional stock (including voting stock) or to be
acquired; placing restrictions on transactions with affiliates; restricting
the interest rate the institution may pay on deposits; ordering a new election
for the institution's board of directors; requiring that certain senior
executive officers or directors be dismissed; prohibiting the institution from
accepting deposits from correspondent banks; requiring the institution to
divest certain subsidiaries; prohibiting the payment of principal or interest
on subordinated debt; prohibiting the institution's parent bank holding
company from making capital distributions without prior regulatory approval;
and, ultimately, appointing a conservator or receiver for the institution.
 
  If the insured depository institution is undercapitalized, the parent bank
holding company is required to guarantee that the institution will comply with
any capital restoration plan submitted to, and approved by, the appropriate
federal banking agency in an amount equal to the lesser of (i) 5% of the
institution's total assets at the time the institution became undercapitalized
or (ii) the amount which is necessary (or would have been necessary) to bring
the institution into compliance with all applicable capital standards as of
the time the institution failed to comply with the capital restoration plan.
If such parent bank holding company guarantee is not obtained, the capital
restoration plan may not be accepted by the banking regulators. As a result,
such institution would be subject to the more severe restrictions imposed on
significantly undercapitalized institutions. Further, the failure of such a
depository institution to submit an acceptable capital plan is grounds for the
appointment of a conservator or receiver.
 
  FDICIA also contains a number of other provisions affecting depository
institutions, including additional reporting and independent auditing
requirements, the establishment of safety and soundness standards, the
changing of FDIC insurance premiums from flat amounts to the system of risk-
based assessments described below under "Deposit Insurance Assessments", a
review of accounting standards, and supplemental disclosures and limits on the
ability of all but well capitalized depository institutions to acquire
brokered deposits. The Riegle-Community Development and Regulatory Improvement
Act of 1994, however, among other things, contains a number of specific
provisions easing the regulatory burden on banks and bank holding companies,
including some imposed by FDICIA, and making the bank regulatory system more
efficient. Federal banking regulators are taking actions to implement these
provisions.
 
 
                                       9
<PAGE>
 
DEPOSIT INSURANCE ASSESSMENTS
 
  The deposits of each of BANC ONE's affiliate banks are insured up to
regulatory limits by the FDIC and, accordingly, are subject to deposit
insurance assessments to maintain the Bank Insurance Fund ("BIF") administered
by the FDIC. The FDIC has adopted regulations establishing a permanent risk-
related deposit insurance assessment system. Under this system, the FDIC
places each insured bank in one of nine risk categories based on (a) the
bank's capitalization and (b) supervisory evaluations provided to the FDIC by
the institution's primary federal regulator. Each insured bank's insurance
assessment rate is then determined by the risk category in which it is
classified by the FDIC. There is currently an eight basis point spread between
the highest and lowest assessment rates, so that banks classified in the
highest capital and supervisory evaluation categories by the FDIC are
currently subject to a rate of $0.23 per $100 of deposits and banks classified
in the lowest capital and supervisory evaluation categories by the FDIC are
currently subject to a rate of $0.31 per $100 of deposits.
 
  These assessment rates also reflect the amount the FDIC has determined is
necessary to increase the reserve ratio of the BIF to 1.25% of total insured
bank deposits. Under FDICIA, the FDIC is required to increase the reserve
ratio to this level by 2006. In fact, the FDIC has announced that this reserve
ratio will be achieved during 1995, and has proposed a new, and significantly
lower, assessment rate schedule for BIF-insured deposits. However, due
primarily to the fact that the reserve ratio of the FDIC's Savings Association
Insurance Fund ("SAIF") is not projected to reach the required level for
several years, it is uncertain when, and whether, the FDIC's proposed new
schedule of BIF assessment rates will take effect. BIF assessments will be
subject to adjustment and it is possible that there may be special additional
assessments.
 
  Some BANC ONE affiliate banks hold deposits that were acquired from savings
institutions and that, accordingly, are insured by SAIF. At March 31, 1995,
BANC ONE's affiliate banks held $6.3 billion of such deposits. Deposit
insurance premiums may, from time to time, be charged at a higher rate for
SAIF than for BIF- insured deposits. That, indeed, would be the case were the
FDIC's proposed reduction in BIF assessment rates to take effect as proposed.
 
DEPOSITOR PREFERENCE STATUTE
 
  Federal legislation has been enacted providing that deposits and certain
claims for administrative expenses and employee compensation against an
insured depository institution would be afforded a priority over other general
unsecured claims against such institution, including federal funds and letters
of credit, in the "liquidation or other resolution" of the institution by any
receiver.
 
BROKERED DEPOSITS
 
  Under FDIC regulations, no FDIC-insured bank or savings institution can
accept brokered deposits unless it (a) is well capitalized, or (b) is
adequately capitalized and receives a waiver from the FDIC. In addition, these
regulations prohibit any bank or savings institution that is not well
capitalized from (a) paying an interest rate on deposits in excess of 75 basis
points over certain prevailing market rates, or (b) offering "pass through"
deposit insurance on certain employee benefit plan accounts unless it provides
certain notice to affected depositors. At March 31, 1995, BANC ONE's affiliate
banks had aggregate total brokered deposits of approximately $96 million.
 
INTERSTATE BANKING
 
  Under the Riegle-Neal Interstate Banking and Branching Efficiency Act of
1994 ("Riegle-Neal"), subject to certain concentration limits, (a) bank
holding companies such as BANC ONE are permitted, beginning September 29,
1995, to acquire banks and bank holding companies located in any state; (b)
any bank that is a subsidiary of a bank holding company is permitted, again
beginning September 29, 1995, to receive deposits, renew time deposits, close
loans, service loans and receive loan payments as an agent for any other bank
subsidiary of that holding company; and (c) banks are permitted, beginning
June 1, 1997, to acquire branch
 
                                      10
<PAGE>
 
offices outside their home states by merging with out-of-state banks,
purchasing branches in other states, and establishing de novo branch offices
in other states, provided that, in the case of any such purchase or opening of
individual branches, the host state has adopted legislation "opting in" to
those provisions of Riegle-Neal; and provided that, in the case of a merger
with a bank located in another state, the host state has not adopted
legislation "opting out" of that provision of Riegle-Neal. BANC ONE might use
Riegle-Neal to acquire banks in additional states and to consolidate its bank
subsidiaries under a smaller number of separate charters.
 
                        DESCRIPTION OF DEBT SECURITIES
 
GENERAL
 
  The Debt Securities will constitute either Senior Securities or Subordinated
Securities. The Senior Securities will be issued under an Indenture (the
"Senior Indenture") between BANC ONE and the trustee named in the applicable
Prospectus Supplement as trustee (the "Senior Trustee"). The Subordinated
Securities will be issued under an Indenture dated as of July 1, 1995 (the
"Subordinated Indenture"), between BANC ONE and Citibank, N.A., as Trustee
("Citibank"). The Senior Indenture and the Subordinated Indenture are
collectively referred to herein as the "Indentures". References to the
"Trustee" shall mean the Senior Trustee or Citibank, as applicable. The
statements under this caption are brief summaries of certain provisions
contained in the Indentures, do not purport to be complete and are qualified
in their entirety by reference to the applicable Indenture, copies of which
are exhibits to the Registration Statement. Whenever defined terms are used
but not defined herein, such terms shall have the meanings ascribed to them in
the applicable Indenture, it being intended that such defined terms shall be
incorporated herein by reference.
 
  The following description of the terms of the Debt Securities sets forth
certain general terms and provisions of the Debt Securities to which any
Prospectus Supplement may relate. The particular terms of any Debt Securities
and the extent, if any, to which such general provisions may apply to such
Debt Securities will be described in the Prospectus Supplement relating to
such Debt Securities.
 
  Neither of the Indentures limits the amount of Debt Securities which may be
issued thereunder, and each Indenture provides that Debt Securities of any
series may be issued thereunder up to the aggregate principal amount which may
be authorized from time to time by BANC ONE and may be denominated in any
currency or currency unit designated by BANC ONE. Neither the Indentures nor
the Debt Securities will limit or otherwise restrict the amount of other
indebtedness which may be incurred or the other securities which may be issued
by BANC ONE or any of its subsidiaries.
 
  Debt Securities of a series may be issuable in registered form without
coupons ("Registered Securities"), in bearer form with or without coupons
attached ("Bearer Securities") or in the form of one or more global securities
in registered or bearer form (each a "Global Security"). Bearer Securities, if
any, will be offered only to non-United States persons and to offices located
outside the United States of certain United States financial institutions.
Reference is made to the Prospectus Supplement for a description of the
following terms, where applicable, of each series of Debt Securities in
respect of which this Prospectus is being delivered: (1) the title of such
Debt Securities; (2) the limit, if any, on the aggregate principal amount or
aggregate initial public offering price of such Debt Securities; (3) the
priority of payment of such Debt Securities; (4) the price or prices (which
may be expressed as a percentage of the aggregate principal amount thereof) at
which the Debt Securities will be issued; (5) the date or dates on which the
principal of the Debt Securities will be payable; (6) the rate or rates (which
may be fixed or variable) per annum at which such Debt Securities will bear
interest, if any, or the method of determining the same; (7) the date or dates
from which such interest, if any, on the Debt Securities will accrue, the date
or dates on which such interest, if any, will be payable, the date or dates on
which payment of such interest, if any, will commence and the Regular Record
Dates for such Interest Payment Dates; (8) the extent to which any of the Debt
Securities will be issuable in temporary or permanent global form, or the
manner in which any interest payable on a temporary or permanent global Debt
Security will be paid; (9) each office or agency where, subject to the terms
of the applicable Indenture, the Debt Securities may be presented for
registration of
 
                                      11
<PAGE>
 
transfer or exchange; (10) the place or places where the principal of (and
premium, if any) and interest, if any, on the Debt Securities will be payable;
(11) the date or dates, if any, after which such Debt Securities may be
redeemed or purchased in whole or in part, at the option of BANC ONE or
mandatorily pursuant to any sinking, purchase or analogous fund or may be
required to be purchased or redeemed at the option of the holder, and the
redemption or repayment price or prices thereof; (12) the denomination or
denominations in which such Debt Securities are authorized to be issued; (13)
the currency, currencies or units (including ECU) based on or related to
currencies for which the Debt Securities may be purchased and the currency,
currencies or currency units (including ECU) in which the principal of,
premium, if any, and any interest on such Debt Securities may be payable; (14)
any index used to determine the amount of payments of principal of, premium,
if any, and interest on the Debt Securities; (15) whether any of the Debt
Securities are to be issuable as Bearer Securities and/or Registered
Securities, and if issuable as Bearer Securities, any limitations on issuance
of such Bearer Securities and any provisions regarding the transfer or
exchange of such Bearer Securities (including exchange for registered Debt
Securities of the same series); (16) the payment of any additional amounts
with respect to the Debt Securities; (17) whether any of the Debt Securities
will be issued as Original Issue Discount Securities (as defined below); (18)
information with respect to book-entry procedures, if any; (19) any additional
covenants or Events of Default not currently set forth in the applicable
Indenture; and (20) any other terms of such Debt Securities not inconsistent
with the provisions of the applicable Indenture.
 
  If any of the Debt Securities are sold for one or more foreign currencies or
foreign currency units or if the principal of, premium, if any, or interest on
any series of Debt Securities is payable in one or more foreign currencies or
foreign currency units, the restrictions, elections, tax consequences,
specific terms and other information with respect to such issue of Debt
Securities and such currencies or currency units will be set forth in the
Prospectus Supplement relating thereto. A judgment for money damages by courts
in the United States, including a money judgment based on an obligation
expressed in a foreign currency, will ordinarily be rendered only in U.S.
dollars. New York statutory law provides that a court shall render a judgment
or decree in the foreign currency of the underlying obligation and that the
judgment or decree shall be converted into U.S. dollars at the exchange rate
prevailing on the date of entry of the judgment or decree.
 
  Debt Securities may be issued as original issue discount Debt Securities
(bearing no interest or interest at a rate which at the time of issuance is
below market rates) ("Original Issue Discount Securities"), to be sold at a
substantial discount below the stated principal amount thereof due at the
stated maturity of such Debt Securities. There may not be any periodic
payments of interest on Original Issue Discount Securities as defined herein.
In the event of an acceleration of the maturity of any Original Issue Discount
Security, the amount payable to the holder of such Original Issue Discount
Security upon such acceleration will be determined in accordance with the
Prospectus Supplement, the terms of such security and the Indenture, but will
be an amount less than the amount payable at the maturity of the principal of
such Original Issue Discount Security. Federal income tax considerations with
respect to Original Issue Discount Securities will be set forth in the
Prospectus Supplement relating thereto.
 
REGISTRATION AND TRANSFER
 
  Unless otherwise indicated in the applicable Prospectus Supplement, Debt
Securities will be issued only as Registered Securities. If Bearer Securities
are issued, the United States Federal income tax consequences and other
special considerations, procedures and limitations applicable to such Bearer
Securities will be described in the Prospectus Supplement relating thereto.
 
  Debt Securities issued as Registered Securities will be without coupons.
Debt Securities issued as Bearer Securities shall have interest coupons
attached, unless issued as zero coupon securities.
 
  Registered Securities (other than a Global Security) may be presented for
transfer (with the form of transfer endorsed thereon duly executed) or
exchanged for other Debt Securities of the same series at the office of the
 
                                      12
<PAGE>
 
Note Registrar specified according to the terms of the applicable Indenture.
BANC ONE has agreed in each of the Indentures that, with respect to Registered
Securities having The City of New York as a place of payment, BANC ONE will
appoint a Note Registrar or Co-Note Registrar located in The City of New York
for such transfer or exchange. Such transfer or exchange shall be made without
service charge, but BANC ONE may require payment of any taxes or other
governmental charges as described in the applicable Indenture. Provisions
relating to the exchange of Bearer Securities for other Debt Securities of the
same series (including, if applicable, Registered Securities) will be
described in the applicable Prospectus Supplement. In no event, however, will
Registered Securities be exchangeable for Bearer Securities.
 
GLOBAL SECURITIES
 
  The Debt Securities of a series may be issued in whole or in part in the
form of one or more Global Securities that will be deposited with, or on
behalf of, a depositary (the "Depositary") identified in the Prospectus
Supplement relating to such series. Global Securities may be issued in either
registered or bearer form and in either temporary or permanent form. Unless
and until it is exchanged in whole or in part for the individual Debt
Securities represented thereby, a Global Security may not be transferred
except as a whole by the Depositary for such Global Security to a nominee of
such Depositary or by a nominee of such Depositary to such Depositary or
another nominee of such Depositary or by the Depositary or any nominee to a
successor Depositary or any nominee of such successor.
 
  The specific terms of the depositary arrangement with respect to a series of
Debt Securities and certain limitations and restrictions relating to a series
of Bearer Securities in the form of one or more Global Securities, will be
described in the Prospectus Supplement relating to such series. BANC ONE
anticipates that the following provisions will generally apply to depositary
arrangements.
 
  Upon the issuance of a Global Security, the Depositary for such Global
Security or its nominee will credit, on its book-entry registration and
transfer system, the respective principal amounts of the individual Debt
Securities represented by such Global Security to the accounts of persons that
have accounts with such Depositary. Such accounts shall be designated by the
underwriters or agents with respect to such Debt Securities. Ownership of
beneficial interests in a Global Security will be limited to persons that have
accounts with the applicable Depositary ("participants") or persons that may
hold interests through participants. Ownership of beneficial interests in such
Global Security will be shown on, and the transfer of that ownership will be
effected only through, records maintained by the applicable Depositary or its
nominee (with respect to interests of participants) and the records of
participants (with respect to interests of persons other than participants).
The laws of some states require that certain purchasers of securities take
physical delivery of such securities in definitive form. Such limits and such
laws may impair the ability to transfer beneficial interests in a Global
Security.
 
  So long as the Depositary for a Global Security, or its nominee, is the
registered owner of such Global Security, such Depositary or such nominee, as
the case may be, will be considered the sole owner or holder of the Debt
Securities represented by such Global Security for all purposes under the
Indenture governing such Debt Securities. Except as provided below, owners of
beneficial interests in a Global Security will not be entitled to have any of
the individual Debt Securities of the series represented by such Global
Security registered in their names, will not receive or be entitled to receive
physical delivery of any such Debt Securities of such series in definitive
form and will not be considered the owners or holders thereof under the
Indenture governing such Debt Securities.
 
  Payments of principal of, premium, if any, and interest, if any, on
individual Debt Securities represented by a Global Security registered in the
name of a Depositary or its nominee will be made to the Depositary or its
nominee, as the case may be, as the registered owner of the Global Security
representing such Debt Securities. Neither BANC ONE, the Trustee for such Debt
Securities, any Paying Agent, nor the Note Registrar for such Debt Securities
will have any responsibility or liability for any aspect of the records
relating to or payments made on account of beneficial ownership interests of
the Global Security for such Debt Securities or for maintaining, supervising
or reviewing any records relating to such beneficial ownership interests.
 
                                      13
<PAGE>
 
  Subject to certain restrictions relating to Bearer Securities, BANC ONE
expects that the Depositary for a series of Debt Securities or its nominee,
upon receipt of any payment of principal, premium or interest in respect of a
permanent Global Security representing any of such Debt Securities will credit
participants' accounts immediately with payments in amounts proportionate to
their respective beneficial interests in the principal amount of such Global
Security for such Debt Securities as shown on the records of such Depositary
or its nominee. BANC ONE also expects that payments by participants to owners
of beneficial interests in such Global Security held through such participants
will be governed by standing instructions and customary practices, as is now
the case with securities held for the accounts of customers in bearer form or
registered in "street name". Such payments will be the responsibility of such
participants. With respect to owners of beneficial interests in a temporary
Global Security representing Bearer Securities, receipt by such beneficial
owners of payments of principal, premium or interest in respect thereof will
be subject to additional restrictions.
 
  If the Depositary for a series of Debt Securities is at any time unwilling,
unable or ineligible to continue as depositary and a successor depositary is
not appointed by BANC ONE within 90 days, BANC ONE will issue individual Debt
Securities of such series in definitive form in exchange for the Global
Security representing such series of Debt Securities. In addition, BANC ONE
may at any time and in its sole discretion, subject to any limitations
described in the Prospectus Supplement relating to such Debt Securities,
determine not to have any Debt Securities of a series represented by one or
more Global Securities and, in such event, will issue individual Debt
Securities of such series in definitive form in exchange for the Global
Security or Securities representing such series of Debt Securities. Further,
if BANC ONE so specifies with respect to the Debt Securities of a series, an
owner of a beneficial interest in a Global Security representing Debt
Securities of such series may, on terms acceptable to BANC ONE, the Trustee
and the Depositary for such Global Security, receive Debt Securities of such
series in definitive form in exchange for such beneficial interests, subject
to any limitations described in the Prospectus Supplement relating to such
Debt Securities. In any such instance, an owner of a beneficial interest in a
Global Security will be entitled to physical delivery in definitive form of
Debt Securities of the series represented by such Global Security equal in
principal amount to such beneficial interest and to have such Debt Securities
registered in its name (if the Debt Securities of such series are issuable as
Registered Securities). Debt Securities of such series so issued in definitive
form will be issued (a) as Registered Securities in denominations, unless
otherwise specified by BANC ONE, of $1,000 and integral multiples thereof if
the Debt Securities of such series are issuable as Registered Securities, (b)
as Bearer Securities in the denomination, unless otherwise specified by BANC
ONE, of $5,000 if the Debt Securities of such series are issuable as Bearer
Securities or (c) as either Registered or Bearer Securities, if the Debt
Securities of such series are issuable in either form. Certain restrictions
may apply, however, on the issuance of a Bearer Security in definitive form in
exchange for an interest in a Global Security.
 
PAYMENT AND PAYING AGENTS
 
  Unless otherwise indicated in an applicable Prospectus Supplement, payment
of principal of, premium, if any, and any interest on Registered Securities
will be made at the office of such Paying Agent or Paying Agents as BANC ONE
may designate from time to time, except that, at the option of BANC ONE,
payment of any interest may be made (i) by check mailed to the address of the
person entitled thereto as such address shall appear in the applicable Note
Register or (ii) by wire transfer to an account maintained by the person
entitled thereto as specified in the applicable Note Register. Unless
otherwise indicated in an applicable Prospectus Supplement, payment of any
installment of interest on Registered Securities will be made to the person in
whose name such Debt Security is registered at the close of business on the
Regular Record Date for such payment.
 
  Unless otherwise indicated in an applicable Prospectus Supplement, payment
of principal of, premium, if any, and any interest on Bearer Securities will
be payable, subject to any applicable laws and regulations, at the offices of
such Paying Agents outside the United States as BANC ONE may designate from
time to time, at the option of the Holder, by check or by transfer to an
account maintained by the payee with a bank located outside the United States.
Unless otherwise indicated in an applicable Prospectus Supplement, payment of
interest on
 
                                      14
<PAGE>
 
Bearer Securities will be made only against surrender of the coupon relating
to such Interest Payment Date. No payment with respect to any Bearer Security
will be made at any office or agency of BANC ONE in the United States or by
check mailed to any address in the United States or by transfer to an account
maintained with a bank located in the United States.
 
CONSOLIDATION, MERGER OR SALE OF ASSETS
 
  Each Indenture provides that BANC ONE may, without the consent of the
holders of any of the Debt Securities outstanding under the applicable
Indenture, consolidate with, merge into or transfer its assets substantially
as an entirety to any person, provided that (i) any such successor assumes
BANC ONE's obligations on the applicable Debt Securities and under the
applicable Indenture, (ii) after giving effect thereto, no Event of Default
(as defined in the Senior Indenture) in the case of the Senior Securities, or
Default (as defined in the Subordinated Indenture) in the case of the
Subordinated Securities, shall have happened and be continuing and (iii)
certain other conditions under the applicable Indenture are met. Accordingly,
any such consolidation, merger or transfer of assets substantially as an
entirety, which meets the conditions described above, would not create any
Event of Default or Default which would entitle holders of the Debt
Securities, or the Trustee on their behalf, to take any of the actions
described below under "Senior Securities--Events of Default, Waivers, etc." or
"Subordinated Securities--Events of Default, Waivers, etc."
 
LEVERAGED AND OTHER TRANSACTIONS
 
  Each Indenture and the Debt Securities do not contain, among other things,
provisions which would afford holders of the Debt Securities protection in the
event of a highly leveraged or other transaction involving BANC ONE which
could adversely affect the holders of Debt Securities.
 
MODIFICATION OF THE INDENTURE; WAIVER OF COVENANTS
 
  Each Indenture provides that, with the consent of the holders of not less
than a majority in aggregate principal amount of the outstanding Debt
Securities of each affected series, modifications and alterations of such
Indenture may be made which affect the rights of the holders of such Debt
Securities; provided, however, that no such modification or alteration may be
made without the consent of the holder of each Debt Security so affected which
would, among other things, (i) change the maturity of the principal of, or of
any installment of interest (or premium, if any) on, any Debt Security issued
pursuant to such Indenture, or reduce the principal amount thereof or any
premium thereon, or change the method of calculation of interest or the
currency of payment of principal or interest (or premium, if any) on, or
reduce the minimum rate of interest thereon, or impair the right to institute
suit for the enforcement of any such payment on or with respect to any such
Debt Security, or reduce the amount of principal of an Original Issue Discount
Security that would be due and payable upon an acceleration of the maturity
thereof; or (ii) reduce the above-stated percentage in principal amount of
outstanding Debt Securities required to modify or alter such Indenture.
 
                               SENIOR SECURITIES
 
  The Senior Securities will be direct, unsecured obligations of BANC ONE and
will rank pari passu with all outstanding unsecured senior indebtedness of
BANC ONE.
 
EVENTS OF DEFAULT, WAIVERS, ETC.
 
  An Event of Default with respect to Senior Securities of any series is
defined in the Senior Indenture as (i) default in the payment of principal of
or premium, if any, on any of the Senior Securities of that series outstanding
under the Senior Indenture when due; (ii) default in the payment of interest
on any of the Senior Securities of that series outstanding under the Senior
Indenture when due and continuance of such default for 30 days; (iii) default
in the performance of any other covenant of BANC ONE in the Senior Indenture
with respect to Senior Securities of such series and continuance of such
default for 90 days after written notice; (iv) certain
 
                                      15
<PAGE>
 
events of bankruptcy, insolvency or reorganization of BANC ONE and (v) any
other event that may be specified in a Prospectus Supplement with respect to
any series of Senior Securities.
 
  If an Event of Default with respect to any series of Senior Securities for
which there are Senior Securities outstanding under the Senior Indenture
occurs and is continuing, either the applicable Trustee or the holders of not
less than 25% in aggregate principal amount of the Senior Securities of such
series outstanding may declare the principal amount (or if such Senior
Securities are Original Issue Discount Securities, such portion of the
principal amount as may be specified in the terms of that series) of all
Senior Securities of that series to be immediately due and payable. The
holders of a majority in aggregate principal amount of the Senior Securities
of any series outstanding under the Senior Indenture may waive an Event of
Default resulting in acceleration of such Senior Securities, but only if all
Events of Default with respect to Senior Securities of such series have been
remedied and all payments due (other than those due as a result of
acceleration) have been made. If an Event of Default occurs and is continuing,
the applicable Trustee may, in its discretion, and at the written request of
holders of not less than a majority in aggregate principal amount of the
Senior Securities of any series outstanding under the Senior Indenture and
upon reasonable indemnity against the costs, expenses and liabilities to be
incurred in compliance with such request and subject to certain other
conditions set forth in the Senior Indenture shall, proceed to protect the
rights of the holders of all the Senior Securities of such series. Prior to
acceleration of maturity of the Senior Securities of any series outstanding
under the Senior Indenture, the holders of a majority in aggregate principal
amount of such Senior Securities may waive any past default under the Senior
Indenture except a default in the payment of principal of, premium, if any, or
interest on the Senior Securities of such series.
 
  The Senior Indenture provides that upon the occurrence of an Event of
Default specified in clauses (i) or (ii) of the first paragraph under "--
Events of Defaults, Waivers, etc.", BANC ONE will, upon demand of the
applicable Trustee, pay to it, for the benefit of the holder of any such
Senior Security, the whole amount then due and payable on such Senior
Securities for principal, premium, if any, and interest. The Senior Indenture
further provides that if BANC ONE fails to pay such amount forthwith upon such
demand, such Trustee may, among other things, institute a judicial proceeding
for the collection thereof.
 
  The Senior Indenture also provides that notwithstanding any other provision
of the Senior Indenture, the holder of any Senior Security of any series shall
have the right to institute suit for the enforcement of any payment of
principal of, premium, if any, and interest on such Senior Securities when due
and that such right shall not be impaired without the consent of such holder.
 
  BANC ONE is required to file annually with the Trustee a written statement
of officers as to the existence or non-existence of defaults under the Senior
Indenture or the Senior Securities.
 
                            SUBORDINATED SECURITIES
 
  The Subordinated Securities will be direct, unsecured obligations of BANC
ONE and will be subject to the subordination provisions described below.
 
SUBORDINATION
 
  It is the intent of BANC ONE that Subordinated Securities issued by BANC ONE
be treated as capital for calculation of regulatory capital ratios. The
Federal Reserve has issued interpretations of its capital regulations
indicating, among other things, that subordinated debt of bank holding
companies issued on or after September 4, 1992, is includable in capital for
calculation of regulatory capital ratios only if the subordination of the debt
meets certain criteria and if the debt may be accelerated only for bankruptcy,
insolvency and similar matters (the "Subordination Interpretations").
Accordingly, the Subordinated Indenture contains subordination and
acceleration provisions for the Subordinated Securities which are intended to
be consistent with the
 
                                      16
<PAGE>
 
Subordination Interpretations. Subordinated debt of BANC ONE issued after
September 4, 1992, which meets the Subordination Interpretations are referred
to herein as "New Subordinated Securities". Unless otherwise specified in the
Prospectus Supplement relating to a particular series of Subordinated
Securities offered thereby, Subordinated Securities offered pursuant to this
Prospectus will constitute New Subordinated Securities. See "Events of
Default, Defaults, Waivers, etc." below.
 
  Upon any distribution of assets of BANC ONE upon any dissolution, winding
up, liquidation or reorganization, the payment of the principal of, premium,
if any, and interest on the Subordinated Securities is to be subordinated in
right of payment, to the extent provided in the Subordinated Indenture, to the
prior payment in full of all Senior Indebtedness. In certain events of
bankruptcy or insolvency, the payment of the principal of and interest on the
Subordinated Securities (and other New Subordinated Securities) will, to the
extent provided in the Subordinated Indenture, also be effectively
subordinated in right of payment to the prior payment in full of all General
Obligations.
 
  Upon any distribution of assets of BANC ONE upon any dissolution, winding
up, liquidation or reorganization, the holders of Senior Indebtedness will
first be entitled to receive payment in full of all amounts due or to become
due before the holders of the Subordinated Securities will be entitled to
receive any payment in respect of the principal of, premium, if any, or
interest on the Subordinated Securities. If upon any such payment or
distribution of assets there remain, after giving effect to such subordination
provisions in favor of the holders of Senior Indebtedness, any amounts of
cash, property or securities available for payment or distribution in respect
of the New Subordinated Securities ("Excess Proceeds") and if, at such time,
any creditors in respect of General Obligations have not received payment in
full of all amounts due or to become due on or in respect of such General
Obligations, then such Excess Proceeds shall first be applied to pay or
provide for the payment in full of such General Obligations before any payment
or distribution may be made in respect of the New Subordinated Securities.
 
  In addition, no payment may be made of the principal of, premium, if any, or
interest on the Subordinated Securities, or in respect of any redemption,
retirement, purchase or other acquisition of any of the Subordinated
Securities, at any time when (i) there is a default in the payment of the
principal of, premium, if any, interest on or otherwise in respect of any
Senior Indebtedness or (ii) any event of default with respect to any Senior
Indebtedness has occurred and is continuing, or would occur as a result of
such payment on the Subordinated Securities or any redemption, retirement,
purchase or other acquisition of any of the Subordinated Securities,
permitting the holders of such Senior Indebtedness to accelerate the maturity
thereof. Except as described above, the obligation of BANC ONE to make payment
of the principal of, premium, if any, or interest on the Subordinated
Securities will not be affected.
 
  By reason of such subordination in favor of the holders of Senior
Indebtedness, in the event of a distribution of assets upon any dissolution,
winding up, liquidation or reorganization, certain creditors of BANC ONE who
are not holders of Senior Indebtedness or of the Subordinated Securities may
recover less, ratably, than holders of Senior Indebtedness and may recover
more, ratably, than holders of the Subordinated Securities. By reason of the
obligation of the holders of New Subordinated Securities to pay over any
Excess Proceeds to creditors in respect of General Obligations, in the event
of a distribution of assets upon any dissolution, winding up, liquidation or
reorganization, holders of Old Subordinated Securities (as defined herein) may
recover less, ratably, than creditors in respect of General Obligations and
may recover more, ratably, than the holders of New Subordinated Securities.
 
  Subject to payment in full of all Senior Indebtedness, the holders of
Subordinated Securities will be subrogated to the rights of the holders of
Senior Indebtedness to receive payments or distributions of cash, property or
securities of BANC ONE applicable to Senior Indebtedness. Subject to payment
in full of all General Obligations, the holders of the New Subordinated
Securities will be subrogated to the rights of the creditors in respect of
General Obligations to receive payments or distributions of cash, property or
securities of BANC ONE applicable to such creditors in respect of General
Obligations.
 
 
                                      17
<PAGE>
 
  Senior Indebtedness is defined in the Subordinated Indenture as the
principal of, premium, if any, and interest on (i) all of BANC ONE's
indebtedness for money borrowed, other than the subordinated securities issued
under the Subordinated Indenture, BANC ONE's 7.25% Subordinated Notes Due
August 1, 2002 (the "August 2002 Notes"), BANC ONE's 8.74% Subordinated Notes
Due September 15, 2003 (the "September 2003 Notes"), BANC ONE's 9.875%
Subordinated Notes Due March 1, 2009 (the "March 2009 Notes"), and BANC ONE's
10.00% Subordinated Notes Due August 15, 2010 (the "August 2010 Notes", and,
together with the August 2002 Notes, the September 2003 Notes and the March
2009 Notes, the "Existing Subordinated Indebtedness"), whether outstanding on
the date of execution of the Subordinated Indenture or thereafter created,
assumed or incurred, except such indebtedness as is by its terms expressly
stated to be not superior in right of payment to the subordinated securities
issued under the Subordinated Indenture or the Existing Subordinated
Indebtedness or to rank pari passu with the subordinated securities issued
under the Subordinated Indenture or the Existing Subordinated Indebtedness
and; (ii) any deferrals, renewals or extensions of any such Senior
Indebtedness. The term "indebtedness for money borrowed" as used in the prior
sentence includes, without limitation, any obligation of, or any obligation
guaranteed by, BANC ONE for the repayment of borrowed money, whether or not
evidenced by bonds, debentures, notes or other written instruments, and any
deferred obligation for the payment of the purchase price of property or
assets. There is no limitation on the issuance of additional Senior
Indebtedness of BANC ONE.
 
  The Existing Subordinated Indebtedness all constitute Old Subordinated
Securities. The Subordinated Securities rank and will rank pari passu with the
Existing Subordinated Indebtedness, subject to the obligations of the holders
of Subordinated Securities (and holders of other New Subordinated Securities)
to pay over any Excess Proceeds to creditors in respect of General
Obligations. Thus, in the event of a distribution of assets of BANC ONE upon
any dissolution, winding up, liquidation or reorganization, the holders of the
New Subordinated Securities (including holders of the Subordinated Securities
offered hereby) may receive less, ratably, than holders of Old Subordinated
Securities.
 
  Unless otherwise specified in the Prospectus Supplement relating to a
particular series of Subordinated Securities offered thereby, General
Obligations means all obligations of BANC ONE to make payment on account of
claims in respect of derivative products such as interest and foreign exchange
rate contracts, commodity contracts and similar arrangements, other than (i)
obligations on account of Senior Indebtedness, (ii) obligations on account of
indebtedness for money borrowed ranking pari passu with or subordinate to the
Subordinated Securities and (iii) obligations which by their terms are
expressly stated not to be superior in right of payment to the Subordinated
Securities or to rank on parity with the Subordinated Securities; provided,
however, that notwithstanding the foregoing, in the event that any rule,
guideline or interpretation promulgated or issued by the Federal Reserve (or
other competent regulatory agency or authority), as from time to time in
effect, establishes or specifies criteria for the inclusion in regulatory
capital of subordinated debt of a bank holding company requiring that such
subordinated debt be subordinated to obligations to creditors in addition to
those set forth above, then the term "General Obligations" shall also include
such additional obligations to creditors, as from time to time in effect
pursuant to such rules, guidelines or interpretations. For purposes of this
definition, "claim" shall have the meaning assigned thereto in Section 101(4)
of the Bankruptcy Code of 1978, as amended to the date of the Subordinated
Indenture.
 
LIMITED RIGHTS OF ACCELERATION
 
  Unless otherwise specified in the Prospectus Supplement relating to any
series of Subordinated Securities, payment of principal of the Subordinated
Securities may be accelerated only in case of the bankruptcy, insolvency or
reorganization of BANC ONE. There is no right of acceleration in the case of a
default in the payment of principal of, premium, if any, or interest on the
Subordinated Securities or the performance of any other covenant of BANC ONE
in the Subordinated Indenture. Payment of principal of the Old Subordinated
Securities may be accelerated in the case of the bankruptcy, insolvency or
reorganization of BANC ONE.
 
                                      18
<PAGE>
 
EVENTS OF DEFAULT, DEFAULTS, WAIVERS, ETC.
 
  An Event of Default with respect to Subordinated Securities of any series is
defined in the Subordinated Indenture as certain events involving the
bankruptcy, insolvency or reorganization of BANC ONE and any other Event of
Default provided with respect to Subordinated Securities of that series. A
Default with respect to Subordinated Securities of any series is defined in
the Subordinated Indenture as (i) an Event of Default with respect to such
series, (ii) default in the payment of the principal of or premium, if any, on
any Subordinated Security of such series when due, (iii) default in the
payment of interest upon any Subordinated Security of such series when due and
the continuance of such default for a period of 30 days, (iv) default in the
performance of any other covenant or agreement of BANC ONE in the Subordinated
Indenture with respect to Subordinated Securities of such series and
continuance of such default for 90 days after written notice or (v) any other
Default provided with respect to Subordinated Securities of any series. If an
Event of Default with respect to any series of Subordinated Securities for
which there are Subordinated Securities outstanding under the Subordinated
Indenture occurs and is continuing, either the applicable Trustee or the
holders of not less than 25% in aggregate principal amount of the Subordinated
Securities of such series may declare the principal amount (or if such
Subordinated Securities are Original Issue Discount Securities, such portion
of the principal amount as may be specified in the terms of that series) of
all Subordinated Securities of that series to be immediately due and payable.
The holders of a majority in aggregate principal amount of the Subordinated
Securities of any series outstanding under the Subordinated Indenture may
waive an Event of Default resulting in acceleration of such Subordinated
Securities, but only if all Defaults have been remedied and all payments due
(other than those due as a result of acceleration) have been made. If a
Default occurs and is continuing, the Trustee may in its discretion, and at
the written request of holders of not less than a majority in aggregate
principal amount of the Subordinated Securities of any series outstanding
under the Subordinated Indenture and upon reasonable indemnity against the
costs, expenses and liabilities to be incurred in compliance with such request
and subject to certain other conditions set forth in the Subordinated
Indenture shall, proceed to protect the rights of the holders of all the
Subordinated Securities of such series. Prior to acceleration of maturity of
the Subordinated Securities of any series outstanding under the Subordinated
Indenture, the holders of a majority in aggregate principal amount of such
Subordinated Securities may waive any past default under the Subordinated
Indenture except a default in the payment of principal of, premium, if any, or
interest on the Subordinated Securities of such series.
 
  The Subordinated Indenture provides that in the event of a Default specified
in clauses (ii) or (iii) of the immediately preceding paragraph in payment of
principal of, premium, if any, or interest on any Subordinated Security of any
series, BANC ONE will, upon demand of the applicable Trustee, pay to it, for
the benefit of the holder of any such Subordinated Security, the whole amount
then due and payable on such Subordinated Security for principal, premium, if
any, and interest. The Subordinated Indenture further provides that if BANC
ONE fails to pay such amount forthwith upon such demand, the applicable
Trustee may, among other things, institute a judicial proceeding for the
collection thereof.
 
  The Subordinated Indenture also provides that notwithstanding any other
provision of the Subordinated Indenture, the holder of any Subordinated
Security of any series shall have the right to institute suit for the
enforcement of any payment of principal of, premium, if any, and interest on
such Subordinated Security on the respective Stated Maturities (as defined in
the Subordinated Indenture) expressed in such Subordinated Security and that
such right shall not be impaired without the consent of such holder.
 
  BANC ONE is required to file annually with the Trustee a written statement
of officers as to the existence or non-existence of defaults under the
Subordinated Indenture or the Subordinated Securities.
 
REGARDING CITIBANK
 
  Citibank will be the Trustee under the Subordinated Indenture. Citibank also
serves as trustee under the indentures with BANC ONE relating to the August
2002 Notes, the September 2003 Notes and the August 2010 Notes. Citibank
provides a $100,000,000 line of credit which partially supports BANC ONE's
commercial paper program. In addition, BANC ONE maintains other banking
relationships with Citibank.
 
                                      19
<PAGE>
 
                             PLAN OF DISTRIBUTION
 
  The distribution of the Debt Securities may be effected from time to time in
one or more transactions at a fixed price or prices (which may be changed from
time to time), at market prices prevailing at the time of sale, at prices
related to such prevailing market prices or at negotiated prices. Each
Prospectus Supplement will describe the method of distribution of the Debt
Securities offered therein.
 
  BANC ONE may sell Debt Securities directly, through agents designated from
time to time, through underwriting syndicates led by one or more managing
underwriters or through one or more underwriters acting alone. Each Prospectus
Supplement will set forth the terms of the Debt Securities to which such
Prospectus Supplement relates, including the name or names of any underwriters
or agents with whom BANC ONE has entered into arrangements with respect to the
sale of such Debt Securities, the public offering or purchase price of such
Debt Securities and the net proceeds to BANC ONE from such sale, any
underwriting discounts and other items constituting underwriters'
compensation, any discounts and commissions allowed or paid to dealers, if
any, any commissions allowed or paid to agents, and the securities exchange or
exchanges, if any, on which such Debt Securities will be listed. Dealer
trading may take place in certain of the Debt Securities, including Debt
Securities not listed on any securities exchange.
 
  Securities may be purchased to be reoffered to the public through
underwriting syndicates led by one or more managing underwriters, or through
one or more underwriters acting alone. The underwriter or underwriters with
respect to each underwritten offering of Debt Securities will be named in the
Prospectus Supplement relating to such offering and, if an underwriting
syndicate is used, the managing underwriter or underwriters will be set forth
on the cover page of such Prospectus Supplement. Unless otherwise set forth in
the applicable Prospectus Supplement, the obligations of the underwriters to
purchase the Debt Securities will be subject to certain conditions precedent
and each of the underwriters with respect to a sale of Debt Securities will be
obligated to purchase all of its Debt Securities if any are purchased. Any
initial public offering price and any discounts or concession allowed or
reallowed or paid to dealers may be changed from time to time.
 
  Debt Securities may be offered and sold by BANC ONE through agents
designated by BANC ONE from time to time. Any agent involved in the offer and
sale of any Debt Securities will be named, and any commissions payable by BANC
ONE to such agent will be set forth, in the Prospectus Supplement relating to
such offering. Unless otherwise indicated in such Prospectus Supplement, any
such agent will be acting on a best efforts basis for the period of its
appointment.
 
  Offers to purchase Debt Securities may be solicited directly by BANC ONE and
sales thereof may be made by BANC ONE directly to institutional investors or
others who may be deemed to be underwriters within the meaning of the
Securities Act with respect to any resale thereof. The terms of any such sales
will be described in the Prospectus Supplement relating thereto. BANC ONE may
also issue contracts under which the counterparty may be required to purchase
Debt Securities. Such contracts would be issued with Debt Securities in
amounts, at prices and on terms to be set in a Prospectus Supplement.
 
  The anticipated place and time of delivery of Debt Securities will be set
forth in the applicable Prospectus Supplement.
 
  If so indicated in the applicable Prospectus Supplement, BANC ONE will
authorize underwriters or agents to solicit offers by certain institutions to
purchase Debt Securities from BANC ONE pursuant to delayed delivery contracts
providing for payment and delivery at a future date. Institutions with which
such contracts may be made include commercial and savings banks, insurance
companies, pension funds, investment companies, educational and charitable
institutions and others, but in all cases such institutions must be approved
by BANC ONE. Unless otherwise set forth in the applicable Prospectus
Supplement, the obligations of any purchaser under any such contract will not
be subject to any conditions except that (i) the purchase of the Debt
Securities shall not at the time of delivery be prohibited under the laws of
the jurisdiction to which such purchaser is subject, and (ii) if the Debt
Securities are also being sold to underwriters acting as principals for their
own account, the underwriters
 
                                      20
<PAGE>
 
shall have purchased such Debt Securities not sold for delayed delivery. The
underwriters and such other persons will not have any responsibility in
respect of the validity or performance of such contracts.
 
  Any underwriter or agent participating in the distribution of the Debt
Securities may be deemed to be an underwriter, as that term is defined in the
Securities Act, of the Debt Securities so offered and sold and any discounts
or commissions received by them from BANC ONE and any profit realized by them
on the sale or resale of the Debt Securities may be deemed to be underwriting
discounts and commissions under the Securities Act.
 
  Underwriters and agents may be entitled, under agreements entered into with
BANC ONE, to indemnification by BANC ONE against certain civil liabilities,
including liabilities under the Securities Act, or to contribution with
respect to payments which such underwriters or agents may be required to make
in respect thereof. Certain of any such underwriters and agents including
their associates, may be customers of, engage in transactions with and perform
services for, BANC ONE and its subsidiaries in the ordinary course of
business.
 
                                LEGAL OPINIONS
 
  Certain legal matters relating to the Debt Securities offered hereby will be
passed upon for BANC ONE by Steven Alan Bennett, General Counsel of BANC ONE,
and for any underwriters, selling agents and certain other purchasers by
Cravath, Swaine & Moore, Worldwide Plaza, 825 Eighth Avenue, New York, New
York 10019. Mr. Bennett owns a number of shares of BANC ONE common stock and
holds options to purchase additional shares of BANC ONE common stock. Cravath,
Swaine & Moore performs legal services for BANC ONE from time to time.
 
                                    EXPERTS
 
  The consolidated financial statements of BANC ONE and its subsidiaries,
included in the Annual Report on Form 10-K of BANC ONE for the fiscal year
ended December 31, 1994 have been audited by Coopers & Lybrand L.L.P.,
independent accountants, as set forth in their report dated February 21, 1995
accompanying such financial statements, and are incorporated herein by
reference in reliance upon the report of such firm, which report is given upon
their authority as experts in accounting and auditing.
 
  Any financial statements and schedules hereafter incorporated by reference
in the registration statement of which this prospectus is a part that have
been audited and are the subject of a report by independent accountants will
be so incorporated by reference in reliance upon such reports and upon the
authority of such firms as experts in accounting and auditing to the extent
covered by consents filed with the Commission.
 
                                      21
<PAGE>
  
NO DEALER, SALESPERSON OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY IN-
FORMATION OR TO MAKE ANY REPRESENTATIONS, OTHER THAN THOSE CONTAINED IN THIS
PROSPECTUS SUPPLEMENT OR THE PROSPECTUS, IN CONNECTION WITH THE OFFER CON-
TAINED IN THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS, AND, IF GIVEN OR
MADE, SUCH INFORMATION OR REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING
BEEN AUTHORIZED BY BANC ONE OR ANY UNDERWRITER. NEITHER THE DELIVERY OF THIS
PROSPECTUS SUPPLEMENT AND THE PROSPECTUS NOR ANY SALE MADE HEREUNDER AND
THEREUNDER SHALL, UNDER ANY CIRCUMSTANCES, CREATE AN IMPLICATION THAT THE IN-
FORMATION HEREIN IS CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATE HEREOF OR
THAT THERE HAS BEEN NO CHANGE IN THE AFFAIRS OF BANC ONE SINCE THE DATE HERE-
OF. THIS PROSPECTUS SUPPLEMENT AND THE PROSPECTUS ARE NOT AN OFFER TO SELL OR
A SOLICITATION OF AN OFFER TO BUY ANY SECURITY IN ANY JURISDICTION IN WHICH IT
IS UNLAWFUL TO MAKE SUCH OFFER OR SOLICITATION.
 
                                ---------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                            PAGE
                                                                            ----
                             PROSPECTUS SUPPLEMENT
 
<S>                                                                         <C>
Recent Developments........................................................ S-2
Capitalization............................................................. S-3
Selected Consolidated Financial Data....................................... S-4
Use of Proceeds............................................................ S-5
Description of the Securities.............................................. S-5
Underwriting............................................................... S-8
 
                                  PROSPECTUS
 
Available Information......................................................   3
Incorporation of Certain Documents by Reference............................   3
BANC ONE CORPORATION.......................................................   5
Ratio of Earnings to Fixed Charges.........................................   6
Use of Proceeds............................................................   6
Regulatory Matters.........................................................   6
Description of Debt Securities.............................................  11
Senior Securities..........................................................  15
Subordinated Securities....................................................  16
Plan of Distribution.......................................................  20
Legal Opinions.............................................................  21
Experts....................................................................  21
</TABLE>
$600,000,000
 
BANC ONE CORPORATION
 
$300,000,000
7% SUBORDINATED
NOTES DUE 2005
 
$300,000,000
7 3/4% SUBORDINATED DEBENTURES DUE 2025
 
 
LOGO
 
SALOMON BROTHERS INC
GOLDMAN, SACHS & CO.
BANC ONE CAPITAL CORPORATION
                                (SELLING AGENT)
 
PROSPECTUS SUPPLEMENT
 
DATED JULY 20, 1995


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