ARIZONA PUBLIC SERVICE CO
8-K, 1999-02-22
ELECTRIC & OTHER SERVICES COMBINED
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K
                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934


       Date of Report (Date of earliest event reported): FEBRUARY 18, 1999


                         ARIZONA PUBLIC SERVICE COMPANY
                         ------------------------------
             (Exact name of registrant as specified in its charter)


            ARIZONA                    1-4473                    86-0011170
- --------------------------------------------------------------------------------
(State or other jurisdiction         (Commission               (IRS Employer
      of incorporation)              File Number)         Identification Number)


       400 NORTH FIFTH STREET, P.O. BOX 53999, PHOENIX, ARIZONA     85004
       --------------------------------------------------------     -----
                 (Address of principal executive offices)         (Zip Code)



                                 (602) 250-1000
                   ------------------------------------------
              (Registrant's telephone number, including area code)



                                      NONE
              ----------------------------------------------------
          (Former name or former address, if changed since last report)
<PAGE>
Item 7.        FINANCIAL STATEMENT, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS

               (c)  Exhibits.

               The  Registrant  hereby  files  the  following  Exhibits  to  its
Registration  Statements on Form S-3 (Nos.  333-27551 and 333-58445)  which were
declared effective on August 12, 1997 and July 20, 1998, respectively.

EXHIBIT
NO.            DESCRIPTION

1.2            Underwriting  Agreement and related Terms  Agreement,  each dated
               February  18,   1999,   in   connection   with  the  offering  of
               $125,000,000 of 5-7/8% Notes Due 2004.

4.3            Second  Supplemental  Indenture  dated as of February  15,  1999,
               relating to the  issuance  of  $125,000,000  of 5-7/8%  Notes Due
               2004.

4.4            Specimen of Note of 5-7/8% Notes Due 2004.

12.2           Computation of Ratio of Earnings to Fixed Charges.
<PAGE>
                                   SIGNATURES

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


                                            ARIZONA PUBLIC SERVICE COMPANY
                                                      (Registrant)



Dated: February 22, 1999                    By:   Michael V. Palmeri
                                               -------------------------
                                                Michael V. Palmeri
                                                Treasurer

                         ARIZONA PUBLIC SERVICE COMPANY

                                   SECURITIES


                             UNDERWRITING AGREEMENT


                                                               February 18, 1999

Credit Suisse First Boston Corporation
PaineWebber Incorporated
Salomon Smith Barney Inc.

Dear Sir or Madam:

                  1.  INTRODUCTION.  Arizona Public Service Company,  an Arizona
corporation (the "Company"),  proposes to issue and sell from time to time up to
$400,000,000 in aggregate principal amount of its unsecured debentures, notes or
other  evidences  of  indebtedness  (the  "Securities")   registered  under  the
registration  statements  referred to in Section 2(a).  The  Securities  will be
issued under the  Indenture,  dated as of January 15, 1998,  between the Company
and The Chase Manhattan Bank, as Trustee (the "Original Indenture"),  as amended
and supplemented by one or more Supplemental  Indentures between the Company and
the Trustee  (each,  a  "Supplemental  Indenture")  (the  Original  Indenture as
amended  and  supplemented  by  such  Supplemental  Indentures  being  sometimes
hereinafter  referred to as the  "Indenture").  The Securities will be issued in
one or more  series,  which  series may vary as to interest  rates,  maturities,
redemption provisions,  selling prices, and other terms, with all such terms for
any  particular  issue of the Securities  being  determined at the time of sale.
Particular issues of the Securities may be sold from time to time to one or more
of the firms to whom this Agreement is addressed,  and to such other  purchasers
as the Company shall  designate and as shall agree in writing to comply with the
terms and conditions of this Agreement,  for resale in accordance with the terms
of offering  determined at the time of sale. The Securities involved in any such
offering are hereinafter referred to as the "Purchased Securities," the party or
parties  that agree to  purchase  the same are  hereinafter  referred  to as the
"Underwriters"  of  such  Purchased   Securities,   and  the  representative  or
representatives  of the  Underwriters,  if any,  specified in a Terms  Agreement
referred to in Section 3 are hereinafter referred to as the "Representatives."

                  2.   REPRESENTATIONS   AND  WARRANTIES  OF  THE  COMPANY.   In
connection  with  each  offering  of  the  Purchased  Securities,   the  Company
represents and warrants to, and agrees with, the Underwriters that:
<PAGE>
                  (a) A  registration  statement  (No.  333-27551)  relating  to
         $50,000,000 of the Securities,  the Company's first mortgage bonds (the
         "Bonds"),  or the  Company's  senior notes (the  "Senior  Notes") and a
         registration  statement (No. 333-58445) relating to $350,000,000 of the
         Securities,  the  Bonds  or the  Senior  Notes  (including  a  combined
         prospectus  relating to up to $400,000,000 of the Securities,  Bonds or
         Senior Notes) were filed with the  Securities  and Exchange  Commission
         (the  "Commission")  and  have  become  effective.   Such  registration
         statements,  as each is  amended  at the  time of the  Terms  Agreement
         referred  to in Section 3 relating  to the  Purchased  Securities,  are
         hereinafter  referred to as the "First Registration  Statement" and the
         "Second Registration Statement,"  respectively,  and, together with any
         related  462(b)  registration   statement  or  amendment  thereto,  are
         hereinafter  referred to collectively as the "Registration  Statements"
         and such  prospectus,  as  supplemented as contemplated by Section 3 to
         reflect  the terms of the  Purchased  Securities  and terms of offering
         thereof,  including all material  incorporated by reference therein, is
         hereinafter referred to as the "Prospectus."

                  (b) Each part of the Registration  Statements  relating to the
         Securities, when such part became effective,  conformed in all material
         respects to the requirements of the Securities Act of 1933 (the "Act"),
         the Trust  Indenture  Act of 1939 (the "Trust  Indenture  Act") and the
         rules and regulations  (the "Rules and  Regulations") of the Commission
         and did not include any untrue  statement of a material fact or omit to
         state any material fact  required to be stated  therein or necessary to
         make the  statements  therein not  misleading,  and on the date of each
         Prospectus  Supplement  referred  to in  Section  3,  the  Registration
         Statements and the Prospectus will conform in all material  respects to
         the  requirements of the Act, the Trust Indenture Act and the Rules and
         Regulations,  and at such date none of such  documents will include any
         untrue  statement of a material fact or omit to state any material fact
         required  to be stated  therein  or  necessary  to make the  statements
         therein not misleading;  provided, however, that the foregoing does not
         apply to (a) statements in or omissions  from any such documents  based
         upon written  information  furnished to the Company by any  Underwriter
         specifically  for use  therein  or (b)  that  part of the  Registration
         Statements   that  consists  of  the  Statement  of   Eligibility   and
         Qualification  (Form T-1) under the Trust  Indenture Act of 1939 of The
         Chase Manhattan Bank, as Trustee under the Indenture.

                  (c) An order of the Arizona Corporation  Commission shall have
         been granted authorizing the execution and delivery of the Supplemental
         Indenture  relating to the  Purchased  Securities  and the issuance and
         sale of the Purchased Securities on the terms and conditions herein and
         in the  Prospectus  and the Terms  Agreement  referred  to in Section 3

                                       2
<PAGE>
         relating to the Purchased Securities, and the approval or consent of no
         other  public body or  authority  is  necessary  to the  execution  and
         delivery of such Supplemental Indenture or the validity of the issuance
         and sale of the Purchased  Securities,  except as may be required under
         state securities or blue sky laws.

                  (d) The Company holds such valid  franchises,  certificates of
         convenience and necessity,  licenses, and permits as are necessary with
         respect to the  maintenance  and operation of its property and business
         as now  conducted,  except that (A) the Company from time to time makes
         minor  extensions of its system prior to the time a related  franchise,
         certificate,  license,  or  permit is  procured,  (B) from time to time
         communities already being served by the Company become incorporated and
         considerable  time may  elapse  before a  franchise  is  procured,  (C)
         certain franchises may have expired prior to the renegotiation thereof,
         (D) the  Company may not have  obtained  certain  permits or  variances
         relating to the environmental requirements described in any of its Form
         10-K  Report,  its Form  10-Q  Reports,  and/or  its  Form 8-K  Reports
         incorporated by reference in the Registration  Statements,  (E) certain
         minor defects and exceptions may exist which,  individually  and in the
         aggregate,  are not deemed material,  and (F) the Company does not make
         any  representation  regarding the geographical scope of any franchise,
         certificate,  license,  or  permit  that  is  not  specific  as to  its
         geographical scope.

                  3. PURCHASE AND OFFERING.  The obligation of the  Underwriters
to purchase, and the obligation of the Company to sell, the Purchased Securities
will be  evidenced  by an exchange of facsimile  transmission  or other  written
communications  (the "Terms  Agreement")  at the time the Company  determines to
sell  the  Purchased   Securities.   The  Terms   Agreement  shall  specify  (by
incorporation  by  reference  or  otherwise)  the party or parties  that will be
Underwriters,  the principal  amount to be purchased by each, the purchase price
to be paid by the  Underwriters,  any  compensation or commissions to be paid to
Underwriters,  the offering price, and the terms of the Purchased Securities not
already  specified in the  Indenture,  including,  but not limited to,  interest
rates, maturity,  redemption provisions, and sinking fund requirements,  if any.
The Terms  Agreement  shall also  specify  (by  incorporation  by  reference  or
otherwise) the time and date of delivery and payment (the "Closing  Date"),  the
place of delivery  and  payment,  and any details of the terms of offering  that
should be reflected in the prospectus supplement relating to the offering of the
Purchased  Securities (the "Prospectus  Supplement").  It is understood that the
Underwriters  will offer the Purchased  Securities  for sale as set forth in the
Prospectus.  The  obligations  of the  Underwriters  to purchase  the  Purchased
Securities shall be several and not joint.  Except as may otherwise be set forth
in the Terms Agreement,  the Purchased Securities will be in definitive form and

                                       3
<PAGE>
in such  denominations  and  registered  in such names as the  Underwriters  may
request.

                  4. COVENANTS OF THE COMPANY.  In connection with each offering
of  Purchased  Securities,  the  Company  covenants  and agrees with the several
Underwriters that:

                  (a)  The  Company   will  advise  the   Underwriters   or  the
         Representatives  promptly of any proposed  amendment or supplementation
         of the First Registration Statement, the Second Registration Statement,
         or the Prospectus. The Company will also advise the Underwriters or the
         Representatives  of the institution by the Commission of any stop order
         proceedings in respect of the First Registration Statement,  the Second
         Registration  Statement,  or of any part thereof, and will use its best
         efforts to prevent the issuance of any such stop order and to obtain as
         soon as possible its lifting, if issued.

                  (b)  If,  at  any  time  when  a  prospectus  relating  to the
         Purchased  Securities  is required to be  delivered  under the Act, any
         event  occurs as a result of which the  Prospectus  as then  amended or
         supplemented  would include an untrue  statement of a material fact, or
         omit to state  any  material  fact  necessary  to make  the  statements
         therein,  in the light of the circumstances under which they were made,
         not  misleading,  or if  it is  necessary  at  any  time  to  amend  or
         supplement the First Registration  Statement,  the Second  Registration
         Statement,  or the  Prospectus  to  comply  with the Act,  the  Company
         promptly  will  prepare and file with the  Commission  an  amendment or
         supplement that will correct such statement or omission or an amendment
         that will effect such compliance.

                  (c) As soon as  practicable,  but not  later  than 18  months,
         after  the  date  of the  Terms  Agreement  relating  to the  Purchased
         Securities,  the Company will make generally  available to its security
         holders an earning  statement or statements (which need not be audited)
         covering a period of at least 12 months  beginning  after the effective
         date of the Second  Registration  Statement  (as defined in Rule 158(c)
         under the Act),  which will satisfy the  provisions of Section 11(a) of
         the Act and the rules and regulations thereunder.

                  (d)  The  Company  will  furnish  to the  Underwriters  or the
         Representatives such copies of the Registration  Statements  (including
         one copy of the Second Registration  Statement for each Representative,
         or for each  Underwriter if there are no  Representatives,  and for the
         counsel  for  the  Underwriters,  which  is  signed  and  includes  all
         exhibits),  any  related  preliminary  prospectus  supplements  and the
         Prospectus,  including all amendments or supplements to such documents,
         as may be reasonably requested.

                                       4
<PAGE>
                  (e) The Company will arrange or cooperate in arrangements  for
         the  qualification  of  the  Purchased  Securities  for  sale  and  the
         determination  of their  eligibility  for investment  under the laws of
         such jurisdictions as the Underwriters or the Representatives designate
         and will continue such qualifications in effect so long as required for
         the distribution of the Purchased Securities, provided that the Company
         shall not be required to qualify as a foreign corporation in any State,
         to consent to service of process in any State  other than with  respect
         to  claims  arising  out of  the  offering  or  sale  of the  Purchased
         Securities,  or to meet  other  requirements  deemed by it to be unduly
         burdensome.

                  (f)  During  the  period of five  years  after the date of the
         Terms Agreement relating to the Purchased Securities,  the Company will
         furnish to the  Underwriters or the  Representatives  thereunder,  and,
         upon  request,  each  of  the  other  Underwriters,   (i)  as  soon  as
         practicable  after the end of each  fiscal  year,  a balance  sheet and
         statements of income and retained earnings of the Company as at the end
         of and for  such  year,  all in  reasonable  detail  and  certified  by
         independent  public  accountants,  and (ii) (A) as soon as  practicable
         after the end of each  quarterly  fiscal  period  (except  for the last
         quarterly  fiscal  period of each  fiscal  year),  a balance  sheet and
         statement  of  income  of the  Company  as at the end of and  for  such
         period, all in reasonable detail and certified by a principal financial
         or accounting officer of the Company, (B) as soon as available,  a copy
         of each report of the Company mailed by the Company to  stockholders or
         filed  with the  Commission,  and (C) from  time to  time,  such  other
         information  concerning the Company as may reasonably be requested.  So
         long as the Company has active subsidiaries,  such financial statements
         will be on a  consolidated  basis to the  extent  the  accounts  of the
         Company and its subsidiaries are consolidated.

                  (g)  The  Company  will  pay  all  expenses  incident  to  the
         performance of its obligations under this Agreement, and will reimburse
         the Underwriters for any reasonable expenses (including reasonable fees
         and  disbursements of counsel)  incurred by them in connection with the
         qualification  of the  Purchased  Securities  with respect to which the
         Terms Agreement  relating to the Purchased  Securities has been entered
         for sale, and the  determination  of their  eligibility for investment,
         under  the laws of such  jurisdictions  as the  Representatives  or, if
         there  are no  Representatives,  the  Underwriters  designate,  and the
         printing of  memoranda  relating  thereto,  and for any fees charged by
         investment rating agencies for the rating of the Purchased Securities.

                  (h) The  Company  will  not  offer  or sell  any  other of its
         Securities for a period beginning at the time of execution of the Terms

                                       5
<PAGE>
         Agreement  relating  to the  Purchased  Securities  and  ending  on the
         Closing Date relating  thereto without prior consent of the Underwriter
         or the Representatives.

                  5.  CONDITIONS OF THE  OBLIGATIONS  OF THE  UNDERWRITERS.  The
obligations of the Underwriters to purchase and pay for the Purchased Securities
will be subject to the accuracy of the  representations  and  warranties  on the
part of the  Company  herein,  to the  accuracy  of the  statements  of  Company
officers made  pursuant to the  provisions  hereof,  to the  performance  by the
Company of its obligations hereunder, and to the following additional conditions
precedent:

                  (a)  The  Underwriters  or  the  Representatives   shall  have
         received a letter  from  DELOITTE & TOUCHE  LLP,  dated the date of the
         Terms Agreement,  confirming that they are independent certified public
         accountants within the meaning of the Act and the applicable  published
         Rules and  Regulations  thereunder,  and  stating in effect that (i) in
         their  opinion the  financial  statements  and schedules of the Company
         audited  by them and  incorporated  by  reference  in the  Registration
         Statements  comply  as to  form  in  all  material  respects  with  the
         applicable  accounting  requirements of the Securities  Exchange Act of
         1934  (the  "1934  Act")  and  the  published   Rules  and  Regulations
         thereunder  and (ii) on the basis of a reading of the latest  available
         interim financial statements of the Company,  inquiries of officials of
         the Company responsible for financial and accounting matters, and other
         specified procedures,  nothing came to their attention that caused them
         to believe that (A) the unaudited financial statements  incorporated by
         reference,  if any, in the Registration  Statements do not comply as to
         form  in  all  material   respects  with  the   applicable   accounting
         requirements  of the 1934 Act and the published  Rules and  Regulations
         thereunder or are not stated on a basis  substantially  consistent with
         that of the audited financial  statements  incorporated by reference in
         the  Registration  Statements,  (B) at the  date  of  the  most  recent
         available  unaudited  financial  statements and at a specified date not
         more than five days prior to the date of this Agreement,  there was any
         increase in the amounts of common stock, redeemable preferred stock, or
         non-redeemable   preferred  stock  of  the  Company  or  any  increase,
         exceeding $10,000,000, in long-term debt of the Company or, at the date
         of the most recent available unaudited  financial  statements there was
         any decrease in net assets as compared  with amounts  shown in the most
         recent   financial   statements   incorporated   by  reference  in  the
         Registration  Statements,  or (C) for the twelve-month  period ended at
         the date of the most recent available  unaudited  financial  statements
         there  were  any   decreases,   exceeding  3%,  as  compared  with  the
         twelve-month  period  ended at the date of the  most  recent  financial
         statements incorporated by reference in the Registration Statements, in
         the amounts of total  revenues  or net income,  except in all cases for

                                       6
<PAGE>
         increases or decreases  which result from the declaration or payment of
         dividends, or which the Registration Statements (including any material
         incorporated by reference therein) disclose have occurred or may occur,
         or which are described in such letter.

                  (b) No stop order  suspending the  effectiveness  of the First
         Registration Statement,  the Second Registration Statement, or any part
         thereof  shall have been  issued and no  proceedings  for that  purpose
         shall have been  instituted  or, to the knowledge of the Company or the
         Underwriters, shall be contemplated by the Commission.

                  (c)  Subsequent  to  the  execution  of  the  Terms  Agreement
         relating to the Purchased Securities, (i) there shall not have occurred
         any change,  or any development  involving a prospective  change, in or
         affecting particularly the business or properties of the Company or its
         subsidiaries  which,  in the  judgment of a majority in interest of the
         Underwriters under such Terms Agreement, including any Representatives,
         materially impairs the investment quality of the Purchased  Securities,
         (ii) there shall not have occurred a suspension or material  limitation
         in  trading in  securities  generally  on the New York Stock  Exchange,
         (iii) there shall not have occurred a general  moratorium on commercial
         banking  activities in New York declared by either  Federal or New York
         State  authorities,  (iv)  no  rating  of  any of  the  Company's  debt
         securities  shall have been lowered and there shall have been no public
         announcement  that  any  such  debt  securities  have  been  placed  on
         CreditWatch, Watchlist, or under any similar surveillance or review, in
         each case with negative implications,  by any recognized rating agency,
         and (v) there shall not have  occurred  any outbreak or  escalation  of
         major  hostilities  in  which  the  United  States  is  involved,   any
         declaration  of war by  Congress or any other  substantial  national or
         international  calamity or emergency  if, in the judgment of a majority
         in interest of the Underwriters  under such Terms Agreement,  including
         any  Representatives,  the  effect  of any such  outbreak,  escalation,
         declaration,  calamity or emergency makes it impractical or inadvisable
         to proceed with completion of the sale of and payment for the Purchased
         Securities.

                  (d)  The  Underwriters  or  the  Representatives   shall  have
         received an opinion of Snell & Wilmer L.L.P.,  counsel for the Company,
         dated the relevant Closing Date, to the effect that:

                           (i) The  Company  is a  corporation  duly  organized,
                  validly  existing,  and in good standing under the laws of the
                  State of Arizona and has full corporate power and authority to
                  carry on its business as presently conducted;  and the Company
                  is duly qualified as a foreign  corporation to do business and
                  is in good  standing in the States of New Mexico,  California,

                                       7
<PAGE>
                  Oregon,  Washington,  Montana  and  Wyoming,  the  only  other
                  jurisdictions   in  which  it  owns  or   leases   substantial
                  properties  or in which the conduct of its  business  requires
                  such qualification;

                           (ii)  The   Purchased   Securities   have  been  duly
                  authorized,  executed,  authenticated,  issued, and delivered,
                  constitute  valid  and  legally  binding  obligations  of  the
                  Company  entitled to the  benefits  provided by the  Indenture
                  (except as the same may be limited by (a)  general  principles
                  of  equity  or  by  bankruptcy,  insolvency,   reorganization,
                  arrangement, moratorium, or other laws or equitable principles
                  relating to or affecting the enforcement of creditors'  rights
                  generally  and (b) the  qualification  that  certain  waivers,
                  procedures,  remedies,  and other  provisions of the Purchased
                  Securities  and the  Indenture may be  unenforceable  under or
                  limited by the law of the State of Arizona;  however, such law
                  does not in such counsel's opinion  substantially  prevent the
                  practical   realization  of  the  benefits  intended  by  such
                  documents)  and  conform  to the  description  thereof  in the
                  Prospectus;

                           (iii)  The  Indenture   has  been  duly   authorized,
                  executed,  and delivered,  has been duly  qualified  under the
                  Trust  Indenture  Act,  and  constitutes  a valid and  binding
                  instrument  enforceable in accordance with its terms except as
                  the same may be limited by (a) general principles of equity or
                  by  bankruptcy,   insolvency,   reorganization,   arrangement,
                  moratorium,  or other laws or equitable principles relating to
                  or affecting the  enforcement of creditors'  rights  generally
                  and (b) the  qualification  that certain waivers,  procedures,
                  remedies, and other provisions of the Purchased Securities and
                  the Indenture may be unenforceable under or limited by the law
                  of the State of  Arizona;  however,  such law does not in such
                  counsel's   opinion   substantially   prevent  the   practical
                  realization of the benefits intended by such documents;

                           (iv)  With  certain  exceptions,   a  public  service
                  corporation is required to obtain  certificates of convenience
                  and necessity from the Arizona  Corporation  Commission  under
                  A.R.S.  Section 40-281.A for construction of its lines, plant,
                  services,  or systems, or any extensions  thereof,  within the
                  State of Arizona, and to obtain franchises or similar consents
                  or permits from counties and incorporated municipalities under

                                       8
<PAGE>
                  A.R.S. Section 40-283.A for the construction,  operation,  and
                  maintenance of transmission lines within the State of Arizona;
                  to the best of such counsel's knowledge after due inquiry, the
                  Company   holds  such  valid   franchises,   certificates   of
                  convenience and necessity,  consents,  and permits pursuant to
                  such statutory provisions as are necessary with respect to the
                  maintenance  and operation of its property and business as now
                  conducted, except that (A) the Company from time to time makes
                  minor  extensions  of its  system  prior to the time a related
                  franchise,  certificate,  license, or permit is procured,  (B)
                  from  time to time  communities  already  being  served by the
                  Company become  incorporated and considerable  time may elapse
                  before a franchise is  procured,  (C) certain  franchises  may
                  have expired prior to the renegotiation  thereof,  (D) certain
                  minor defects and exceptions may exist which, individually and
                  in the  aggregate,  are not  deemed  material,  and  (E)  such
                  counsel need not be required to express any opinion  regarding
                  the geographical scope of any franchise, certificate, license,
                  or permit that is not specific as to its geographical scope;

                           (v) The issuance and sale of the Purchased Securities
                  on the terms and conditions set forth or  contemplated  herein
                  and in the Prospectus and the Terms Agreement  relating to the
                  Purchased  Securities  and the  execution  and delivery of the
                  Supplemental  Indenture  relating to the Purchased  Securities
                  have  been  duly   authorized   by  the  Arizona   Corporation
                  Commission,  said Commission had jurisdiction in the premises,
                  and no  further  approval,  authorization,  or  consent of any
                  other  public  board or body is  necessary  to the validity of
                  such  issuance and sale of such  Purchased  Securities  or the
                  execution and delivery of such Supplemental Indenture,  except
                  as may be required under state securities or blue sky laws, as
                  to which laws such counsel shall not be required to express an
                  opinion;

                           (vi) The First Registration  Statement and the Second
                  Registration  Statement have become  effective  under the Act,
                  and, to the best of the  knowledge  of such  counsel,  no stop
                  order suspending the  effectiveness of the First  Registration
                  Statement or the Second Registration Statement has been issued
                  and no  proceedings  for that purpose have been  instituted or
                  are pending or  contemplated  under the Act,  and each part of
                  the Registration  Statements relating to the Securities,  when

                                       9
<PAGE>
                  such part became effective, and the Prospectus, as of the date
                  of the Prospectus Supplement, and each amendment or supplement
                  thereto,  as of their  respective  effective  or issue  dates,
                  complied  as  to  form  in  all  material  respects  with  the
                  requirements  of the Act,  the Trust  Indenture  Act,  and the
                  published Rules and Regulations; such counsel has no reason to
                  believe  that any part of the  Registration  Statements,  when
                  such part became effective, or the Prospectus,  as of the date
                  of the  Prospectus  Supplement,  or as of the Closing Date, or
                  any amendment or supplement  thereto,  as of their  respective
                  effective or issue dates, or as of the Closing Date, contained
                  any untrue  statement  of a material  fact or omitted to state
                  any material fact  required to be stated  therein or necessary
                  to  make  the   statements   therein   not   misleading;   the
                  descriptions in the Registration  Statements and Prospectus of
                  statutes,  legal and  governmental  proceedings and contracts,
                  and other  documents  are  accurate  and  fairly  present  the
                  information  required to be shown; and to the actual knowledge
                  of  those  persons  in the  lawyer  group  described  in  such
                  opinion,  there  are  no  legal  or  governmental  proceedings
                  required  to be  described  in the  Prospectus  that  are  not
                  described  as  required,  nor any  contracts or documents of a
                  character   required  to  be  described  in  the  Registration
                  Statements  or  Prospectus  or to be filed as  exhibits to the
                  Registration  Statements  that are not  described and filed as
                  required (it being  understood  that such counsel need express
                  no opinion as to the financial  statements or other  financial
                  data   contained  in  the   Registration   Statements  or  the
                  Prospectus); and

                           (vii) This  Agreement  and the Terms  Agreement  have
                  been duly authorized, executed, and delivered by the Company.

                  In giving such  opinion,  (a) Snell & Wilmer  L.L.P.  may rely
         solely upon  certificates of the Company as to any factual matters upon
         which any such  opinions  are based  and may rely upon the  opinion  of
         Keleher & McLeod,  P.A.,  referred to below, as to all matters governed
         by the laws of the  State of New  Mexico,  but the  opinion  of Snell &
         Wilmer L.L.P.  shall state that, though they are members of the Arizona
         Bar and do not hold  themselves out as experts on the laws of the State
         of New Mexico, they have made a study of the laws of such State insofar
         as such laws are involved in the  conclusions  stated in their opinion,
         and from such study it is their  opinion  that such laws  support  such
         conclusions and that, in their opinion,  the  Underwriters and they are

                                       10
<PAGE>
         justified  to such  extent in  relying  upon the  opinion  of Keleher &
         McLeod, P.A.; and (b) the lawyer group referred to in such opinion will
         mean those lawyers in the offices of Snell & Wilmer L.L.P. who (i) have
         billed any time on the  particular  transaction  to which such  opinion
         relates or (ii) have billed  more than ten hours to any Company  matter
         in the twelve-month period preceding the date on which the list of such
         lawyers was compiled for purposes of inquiry pursuant to such opinion.

                  (e)  The  Underwriters  or  the  Representatives   shall  have
         received an opinion of Keleher & McLeod,  P.A.,  New Mexico counsel for
         the Company, dated the Closing Date, to the effect that:

                           (i)  The  Company  is  duly  qualified  as a  foreign
                  corporation  to do  business  and is in good  standing  in the
                  State of New Mexico and has full corporate power and authority
                  to  engage  in the State of New  Mexico  in the  business  now
                  conducted by it therein; and

                           (ii) The  activities  of the  Company in the State of
                  New Mexico to date do not constitute it a "public  utility" as
                  that term is defined in the relevant  laws of the State of New
                  Mexico,  and  accordingly,  no public  utility  franchises  or
                  certificates  of convenience and necessity are necessary under
                  New Mexico law with respect to the  maintenance  and operation
                  of the Company's property and business as now conducted in the
                  State of New Mexico and no approval, authorization, or consent
                  of the New Mexico  Public  Regulation  Commission or any other
                  public  board or body of the State of New  Mexico is  required
                  for the issuance and sale of the  Purchased  Securities on the
                  terms and conditions herein and in the Prospectus set forth or
                  contemplated   or  for  the  execution  of  the   Supplemental
                  Indenture relating to the Purchased Securities,  except as may
                  be  required  under New Mexico  state  securities  or blue sky
                  laws,  as to which laws such counsel  shall not be required to
                  express an opinion.

         In giving such  opinion,  Keleher & McLeod,  P.A.  may rely solely upon
         certificates  of the Company as to any factual  matters  upon which any
         such opinions are based.

                  (f)  The  Underwriters  or  the  Representatives   shall  have
         received  from counsel for the  Underwriters  such opinion or opinions,
         dated the  Closing  Date,  with  respect  to the  incorporation  of the
         Company,  the validity of the Purchased  Securities,  the  Registration
         Statements, the Prospectus, and other related matters as may reasonably

                                       11
<PAGE>
         be required,  and the Company shall have furnished to such counsel such
         documents as they request for the purpose of enabling them to pass upon
         such matters.  In rendering  such opinion,  such counsel may rely as to
         the  incorporation of the Company and all other matters governed by the
         laws of the States of Arizona and New Mexico upon the opinions of Snell
         & Wilmer L.L.P. and Keleher & McLeod, P.A., referred to above.

                  (g)  The  Underwriters  or  the  Representatives   shall  have
         received a  certificate  of the  President or any Vice  President and a
         principal  financial or  accounting  officer of the Company,  dated the
         Closing Date, in which such  officers,  to the best of their  knowledge
         after reasonable  investigation,  shall state that the  representations
         and  warranties of the Company in this  Agreement are true and correct,
         that the Company has complied  with all  agreements  and  satisfied all
         conditions  on its part to be performed or satisfied at or prior to the
         Closing Date, that no stop order  suspending the  effectiveness  of the
         First Registration  Statement or the Second Registration  Statement has
         been issued and no proceedings for that purpose have been instituted or
         are contemplated by the Commission, and that, subsequent to the date of
         the most recent financial statements in the Prospectus,  there has been
         no  material  adverse  change in the  financial  position or results of
         operations of the Company and its  subsidiaries  except as set forth or
         contemplated in the Prospectus or as described in such certificate.

                  (h)  The  Underwriters  or  the  Representatives   shall  have
         received a letter of  DELOITTE & TOUCHE LLP,  dated the  Closing  Date,
         which meets the requirements of subsection (a) of this Section,  except
         that the specified date referred to in such  subsection  will be a date
         not more than five days prior to the Closing  Date for the  purposes of
         this subsection.

                  The   Company   will   furnish   the   Underwriters   or   the
Representatives  with  such  conformed  copies of such  opinions,  certificates,
letters, and documents as may be reasonably requested.

                  6. INDEMNIFICATION.

                  (a)  The  Company  will   indemnify  and  hold  harmless  each
         Underwriter  and each person,  if any, who  controls  such  Underwriter
         within the meaning of the Act against  any losses,  claims,  damages or
         liabilities,  joint or  several,  to  which  such  Underwriter  or such
         controlling  person may  become  subject,  under the Act or  otherwise,
         insofar as such losses, claims,  damages, or liabilities (or actions in
         respect thereof) arise out of or are based upon any untrue statement or
         alleged untrue  statement of any material fact contained in any part of
         the Registration Statements relating to the Securities,  when such part
         became effective,  any preliminary prospectus or preliminary prospectus

                                       12
<PAGE>
         supplement,  the Prospectus, or any amendment or supplement thereto, or
         arise out of or are based  upon the  omission  or alleged  omission  to
         state  therein  a  material  fact  required  to be  stated  therein  or
         necessary  to make the  statements  therein  not  misleading;  and will
         reimburse each  Underwriter  and each such  controlling  person for any
         legal or other expenses reasonably incurred by such Underwriter or such
         controlling  person in connection with  investigating  or defending any
         such loss, claim, damage, liability, or action; provided, however, that
         the Company  will not be liable in any such case to the extent that any
         such loss,  claim,  damage, or liability arises out of or is based upon
         an untrue  statement or alleged untrue statement or omission or alleged
         omission  made  in  any of  such  documents  in  reliance  upon  and in
         conformity  with  written  information  furnished to the Company by any
         Underwriter specifically for use therein. This indemnity agreement will
         be in addition to any liability which the Company may otherwise have.

                  (b)  Each  Underwriter  will  severally   indemnify  and  hold
         harmless the Company,  each of its directors,  each of its officers who
         have signed the Registration  Statements,  and each person, if any, who
         controls the Company within the meaning of the Act, against any losses,
         claims,  damages,  or  liabilities  to which  the  Company  or any such
         director,  officer, or controlling person may become subject, under the
         Act  or  otherwise,   insofar  as  such  losses,  claims,  damages,  or
         liabilities  (or actions in respect  thereof) arise out of or are based
         upon any untrue  statement or alleged untrue  statement of any material
         fact contained in any part of the Registration  Statements  relating to
         the  Securities,  when  such part  became  effective,  any  preliminary
         prospectus or preliminary prospectus supplement, the Prospectus, or any
         amendment or supplement  thereto, or arise out of or are based upon the
         omission  or the  alleged  omission  to state  therein a material  fact
         required  to be stated  therein  or  necessary  to make the  statements
         therein not  misleading,  in each case to the  extent,  but only to the
         extent,  that such untrue  statement  or alleged  untrue  statement  or
         omission  or  alleged  omission  was  made  in  reliance  upon  and  in
         conformity  with written  information  furnished to the Company by such
         Underwriter  specifically for use therein; and will reimburse any legal
         or  other  expenses  reasonably  incurred  by the  Company  or any such
         director,   officer,   or   controlling   person  in  connection   with
         investigating or defending any such loss, claim, damage,  liability, or
         action.  This indemnity  agreement will be in addition to any liability
         which such Underwriter may otherwise have.

                  (c) Promptly after receipt by an indemnified  party under this
         Section of notice of the  commencement of any action,  such indemnified
         party  will,  if a claim in respect  thereof is to be made  against the
         indemnifying party under this Section, notify the indemnifying party of
         the   commencement   thereof;   but  the  omission  so  to  notify  the

                                       13
<PAGE>
         indemnifying  party will not relieve it from any liability  that it may
         have to any  indemnified  party  otherwise than under this Section.  In
         case any such action is brought against any indemnified  party,  and it
         notifies  the  indemnifying  party  of the  commencement  thereof,  the
         indemnifying party will be entitled to participate  therein and, to the
         extent  that it may wish,  jointly  with any other  indemnifying  party
         similarly  notified,  to  assume  the  defense  thereof,  with  counsel
         satisfactory  to such  indemnified  party (who shall not,  without  the
         consent  of the  indemnified  party,  be  counsel  to the  indemnifying
         party),   and  after  notice  from  the  indemnifying   party  to  such
         indemnified party of its election so to assume the defense thereof, the
         indemnifying  party will not be liable to such indemnified  party under
         this Section for any legal or other expenses  subsequently  incurred by
         such  indemnified  party in connection  with the defense  thereof other
         than reasonable costs of investigation. An indemnifying party shall not
         be liable for any settlement of a claim or action effected  without its
         written consent, which shall not be unreasonably withheld.

                  (d) If the  indemnification  provided  for in this  Section is
         unavailable or insufficient  to hold harmless an indemnified  party for
         any loss, claim, damage,  liability,  or action described in subsection
         (a) or (b) above, then each indemnifying  party shall contribute to the
         amount  paid or  payable by such  indemnified  party as a result of the
         losses, claims, damages or liabilities referred to in subsection (a) or
         (b) above on the  following  basis:  (1) if such loss,  claim,  damage,
         liability,  or action arises under  subsection  (a) above,  then (i) in
         such  proportion  as is  appropriate  to reflect the relative  benefits
         received  by the  Company on the one hand and the  Underwriters  on the
         other from the  offering of the  Securities  or (ii) if the  allocation
         provided by clause (i) above is not  permitted  by  applicable  law, in
         such  proportion  as is  appropriate  to reflect not only the  relative
         benefits referred to in clause (i) above but also the relative fault of
         the  Company  on the one  hand  and the  Underwriters  on the  other in
         connection  with the  statements  or omissions  which  resulted in such
         losses,  claims,  damages or  liabilities as well as any other relevant
         equitable  considerations;   and  (2)  if  such  loss,  claim,  damage,
         liability,  or action arises under  subsection (b) above,  then in such
         proportion  as is  appropriate  to reflect  the  relative  fault of the
         Company on the one hand and the  Underwriter on the other in connection
         with the statements or omissions which resulted in such losses, claims,
         damages  or  liabilities  as  well  as  any  other  relevant  equitable
         considerations.  For the  purposes  of clause (1) above,  the  relative
         benefits  received by the Company on the one hand and the  Underwriters
         on the other shall be deemed to be in the same  proportion as the total
         net proceeds from the offering (before deducting  expenses) received by
         the Company bear to the total  underwriting  discounts and  commissions

                                       14
<PAGE>
         received by the  Underwriters.  For the purposes of clauses (1) and (2)
         above,  the relative  fault shall be  determined by reference to, among
         other  things,  whether  the untrue or alleged  untrue  statement  of a
         material  fact or the omission or alleged  omission to state a material
         fact relates to information supplied by the Company or the Underwriters
         and the parties' relative intent, knowledge,  access to information and
         opportunity  to correct or prevent  such untrue  statement or omission.
         The  amount  paid by an  indemnified  party as a result of the  losses,
         claims,  damages or  liabilities  referred to in the first  sentence of
         this  subsection  (d)  shall be deemed  to  include  any legal or other
         expenses  reasonably  incurred by such indemnified  party in connection
         with  investigating  or  defending  any  action  or claim  which is the
         subject  of  this  subsection  (d).  No  person  guilty  of  fraudulent
         misrepresentation  (within  the  meaning of  Section  11(f) of the Act)
         shall be entitled to contribution from any person who was not guilty of
         such fraudulent  misrepresentation.  The  Underwriters'  obligations in
         this  subsection  (d) to contribute  are several in proportion to their
         respective underwriting obligations and not joint.

                  7. DEFAULT OF UNDERWRITERS. If any Underwriter or Underwriters
default in their obligations to purchase Purchased  Securities  pursuant to this
Agreement  and  the  Terms  Agreement  and the  principal  amount  of  Purchased
Securities that such defaulting Underwriter or Underwriters agreed but failed to
purchase  is ten  percent  (10%) or less of the  principal  amount of  Purchased
Securities  to which such  Terms  Agreement  relates,  the  Underwriters  or the
Representatives  may  make  arrangements  satisfactory  to the  Company  for the
purchase of such  Purchased  Securities by other  persons,  including any of the
Underwriters,  but if no such  arrangements  are  made by the  Closing  Date the
nondefaulting  Underwriters shall be obligated severally, in proportion to their
respective commitments hereunder and under such Terms Agreement, to purchase the
Purchased Securities that such defaulting Underwriter or Underwriters agreed but
failed to  purchase.  If any  Underwriter  or  Underwriters  so default  and the
aggregate  principal  amount of Purchased  Securities with respect to which such
default  or  defaults  occur  is  more  than  the  above-described   amount  and
arrangements  satisfactory to the remaining Underwriters and the Company for the
purchase  of such  Purchased  Securities  by other  persons  are not made within
thirty-six hours after such default,  the Terms Agreement will terminate without
liability on the part of any non-defaulting  Underwriter or the Company,  except
as  provided  in Section 8. As used in this  Agreement,  the term  "Underwriter"
includes any person  substituted for an Underwriter under this Section.  Nothing
herein will relieve a defaulting Underwriter from liability for its default.

                                       15
<PAGE>
                  8. SURVIVAL OF CERTAIN  REPRESENTATIONS  AND OBLIGATIONS.  The
respective  indemnities,  agreements,  representations,  warranties,  and  other
statements of the Company or its officers and of the  Underwriters  set forth in
or made  pursuant  to this  Agreement  will  remain  in full  force  and  effect
regardless of any investigation, or statement as to the results thereof, made by
or on  behalf of the  Underwriters  or the  Company  or any of its  officers  or
directors or any controlling  person,  and will survive  delivery of and payment
for the Purchased  Securities.  If any Terms Agreement is terminated pursuant to
Section 7, or if for any reason a purchase  pursuant to any Terms  Agreement  is
not  consummated,  the Company shall remain  responsible  for the expenses to be
paid or reimbursed by it pursuant to Section 4 and the respective obligations of
the Company and the Underwriters pursuant to Section 6 shall remain in effect.

                  9.  NOTICES.  All  communications  hereunder  relating  to any
offering  of  Purchased  Securities  will  be in  writing,  and,  if sent to the
Underwriters,  may be mailed,  delivered,  or  telecopied  and  confirmed to the
Representative  first named in the Terms  Agreement  relating to such  Purchased
Securities or the  Underwriters at their  addresses  furnished to the Company in
writing for the purpose of communications; provided, however, that any notice to
an Underwriter  pursuant to Section 6 will be mailed,  delivered,  or telecopied
and confirmed to each such  Underwriter at its own address.  All  communications
hereunder to the Company shall be mailed to the Company,  Attention:  Treasurer,
at P.O. Box 53999, Phoenix, Arizona 85O72-3999,  or delivered, or telecopied and
confirmed to the Company at 400 North Fifth Street, Phoenix, Arizona 85004.

                  10.  SUCCESSORS.  This  Agreement will inure to the benefit of
and be binding upon the parties hereto and the  Underwriter or  Underwriters  as
are  named in any  Terms  Agreement  and  their  respective  successors  and the
officers and directors and controlling  persons referred to in Section 6, and no
other person will have any right or obligation hereunder.

                  11.  REPRESENTATION OF UNDERWRITERS.  The Representatives,  if
any, may act for the  Underwriters  in  connection  with any offering to which a
Terms  Agreement may relate,  and any action under this  Agreement or such Terms
Agreement taken by the Representatives jointly or the Representative first named
in such Terms  Agreement in such capacity will be binding upon the  Underwriters
of Purchased Securities to which such Terms Agreement relates.

                  12.  EXECUTION IN  COUNTERPART.  This  Agreement and any Terms
Agreement  may be executed in one or more  counterparts,  each of which shall be
deemed to be an original,  but all such respective  counterparts  shall together
constitute a single instrument.

                                       16
<PAGE>
                  If the foregoing is in accordance with your  understanding  of
our  agreement,  kindly  sign and return to us the  enclosed  duplicate  hereof,
whereupon  it will  become a  binding  agreement  between  the  Company  and the
Underwriters in accordance with its terms.


                                Very truly yours,

                                ARIZONA PUBLIC SERVICE COMPANY



                                By  Michael V. Palmeri
                                  -----------------------------
                                  Treasurer


The foregoing  Underwriting Agreement
is hereby confirmed and accepted as
of the date first above written.

CREDIT SUISSE FIRST BOSTON CORPORATION



By  Anne Schaumburg
  ------------------------
    Managing Director


PAINEWEBBER INCORPORATED



By  Peter Masco
  ------------------------
    Managing Director

SALOMON SMITH BARNEY INC.



By  Steven Winn
  ------------------------
    Vice President

<PAGE>
                                 TERMS AGREEMENT


                                                               February 18, 1999

Arizona Public Service Company
400 North Fifth Street
Phoenix, Arizona 85004

Attention:  Treasurer

Dear Sir:

                Arizona Public Service Company (the "Company")  hereby agrees to
sell to the several  Underwriters (the  "Underwriters")  listed in the Company's
Prospectus  Supplement  (the  "Prospectus  Supplement")  of even  date  herewith
relating to $125,000,000 in aggregate  principal  amount of its 5-7/8% Notes Due
2004  (the  "Purchased  Securities"),  and  the  Underwriters  hereby  agree  to
purchase,  severally  and not  jointly,  at a  purchase  price of 99.351% of the
principal  amount  thereof plus any accrued  interest  from the date of original
issuance,  the respective  principal  amounts of Purchased  Securities set forth
opposite the names of the Underwriters in the Prospectus Supplement. The sale of
the  Purchased  Securities  by the  Company  and  the  purchase  thereof  by the
Underwriters shall be made on the basis of the representations,  warranties, and
agreements   contained  in  the   Underwriting   Agreement  (the   "Underwriting
Agreement"), dated February 18, 1999, relating to the issuance and sale of up to
$400,000,000  of the Company's  Securities  under the Company's  Indenture,  and
shall be  subject  to the terms and  conditions  set forth in such  Underwriting
Agreement.  The provisions of the Underwriting Agreement are incorporated herein
by  reference.  As  contemplated  by  Section 3 of the  Underwriting  Agreement,
certain  terms of the  Purchased  Securities  are  described  in the  Prospectus
Supplement.

                The  Underwriters  propose to offer the Purchased  Securities to
the  public  in the  manner  and  upon  the  terms  set  out  in the  Prospectus
Supplement.

                On  February  23, 1999 the Company  will  deliver the  Purchased
Securities to the  Underwriters in book-entry form through the facilities of the
Depository  Trust Company at the office of the Company,  400 North Fifth Street,
Phoenix,  Arizona  85004,  against  payment of the purchase price by transfer of
funds by Fed Wire from the  Underwriters  to the Company's  account at a bank in
Phoenix,  Arizona designated by the Company.  Such purchase price will be deemed
to have been received by the Company upon the Company's  receipt of the Fed Wire
reference number relating to such transfer of funds.  Closing shall occur at the
office of the Company,  400 North Fifth Street,  Phoenix,  Arizona, at 8:00 a.m.
Phoenix  time,  on  February  23,  1999,  or at such  other time and date as the
Underwriters and the Company may agree upon in writing, such time and date being
referred to as the "Closing Date." All of the Purchased  Securities  referred to
in this  paragraph  shall be in global form and registered in the name of Cede &
Co. and deposited with the Depository Trust Company, as depositary.
<PAGE>
TERMS AGREEMENT
Page 2

                If the  foregoing is  acceptable  to you,  please sign below and
transmit  evidence of such signing to Credit Suisse First Boston  Corporation at
your earliest  convenience.  At that point, the agreement  signified hereby will
constitute the Terms Agreement, as described in the Underwriting Agreement, with
respect to the $125,000,000 of Purchased Securities referred to herein.

                All capitalized terms herein,  not otherwise defined herein, are
used as defined in the Underwriting Agreement. This agreement may be executed in
one or more counterparts,  each of which shall be deemed to be an original,  but
all such respective counterparts shall together constitute a single instrument.


                                     Very truly yours,

                                     CREDIT SUISSE FIRST BOSTON CORPORATION
                                     PAINEWEBBER INCORPORATED
                                     SALOMON SMITH BARNEY INC.

                                     By: CREDIT SUISSE FIRST BOSTON
                                         CORPORATION
                                         (As Representative of the
                                         Several Underwriters)


                                         By  Anne Schaumburg
                                           ---------------------------
                                             Managing Director


Confirmed and accepted as
of the date first above written.

ARIZONA PUBLIC SERVICE COMPANY



By  Michael V. Palmeri
  ----------------------------
    Treasurer

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

                         ARIZONA PUBLIC SERVICE COMPANY

                                       TO

                            THE CHASE MANHATTAN BANK

                                     TRUSTEE

                          Second Supplemental Indenture

                          Dated as of February 15, 1999

                                       To

                                    Indenture

                          Dated as of January 15, 1998

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


                              5-7/8% Notes Due 2004


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

<PAGE>
         SECOND SUPPLEMENTAL  INDENTURE,  dated as of February 15, 1999, between
Arizona Public Service Company,  a corporation duly organized and existing under
the laws of the State of  Arizona  (herein  called  the  "Company"),  having its
principal  office at 400 North Fifth Street,  Phoenix,  Arizona  85004,  and The
Chase Manhattan Bank, a New York banking corporation,  as Trustee (herein called
the  "Trustee")  under the  Indenture  dated as of January 15, 1998  between the
Company and the Trustee (the "Indenture").

                             RECITALS OF THE COMPANY

         The Company has executed and  delivered the Indenture to the Trustee to
provide for the issuance from time to time of its unsecured debentures, notes or
other evidences of indebtedness (the "Securities"), said Securities to be issued
in one or more series as in the Indenture provided.

         Pursuant to the terms of the Indenture,  the Company desires to provide
for the  establishment  of a new  series  of its  Securities  to be known as its
5-7/8%  Notes Due 2004  (herein  called  the  "Notes  Due  2004"),  the form and
substance  of such  Notes Due 2004 and the  terms,  provisions,  and  conditions
thereof  to  be  set  forth  as  provided  in  the  Indenture  and  this  Second
Supplemental Indenture.

         All things necessary to make this Second Supplemental Indenture a valid
agreement of the Company,  and to make the Notes Due 2004,  when executed by the
Company and authenticated and delivered by the Trustee, the valid obligations of
the Company, have been done.

         NOW, THEREFORE, THIS SECOND SUPPLEMENTAL INDENTURE WITNESSETH:

         For and in  consideration of the premises and the purchase of the Notes
Due 2004 by the  Holders  thereof,  and for the  purpose  of setting  forth,  as
provided in the Indenture,  the form and substance of the Notes Due 2004 and the
terms, provisions,  and conditions thereof, it is mutually agreed, for the equal
and proportionate benefit of all Holders of the Notes Due 2004, as follows:

                                   ARTICLE ONE

                         GENERAL TERMS AND CONDITIONS OF
                               THE NOTES DUE 2004

         SECTION  101.  There  shall be and is  hereby  authorized  a series  of
Securities designated the "5-7/8% Notes Due 2004" limited in aggregate principal
amount to $125,000,000,  which amount shall be as set forth in any Company Order
for the  authentication and delivery of Notes Due 2004. The Notes Due 2004 shall
mature and the principal shall be due and payable  together with all accrued and
unpaid interest thereon on February 15, 2004, and shall be issued in the form of
registered Notes Due 2004 without coupons.

                                       2
<PAGE>
         SECTION 102. The Notes Due 2004 shall be issued in  certificated  form,
except that the Notes Due 2004 shall be issued initially as a Global Security to
and  registered  in the name of Cede & Co., as nominee of The  Depository  Trust
Company, as Depositary therefor.  Any Notes Due 2004 to be issued or transferred
to, or to be held by, Cede & Co. (or any  successor  thereof)  for such  purpose
shall bear the depositary  legend in substantially the form set forth at the top
of the form of Note Due 2004 in Article Two hereof (in lieu of that set forth in
Section 204 of the  Indenture),  unless  otherwise  agreed by the Company,  such
agreement to be confirmed in writing to the Trustee. Such Global Security may be
exchanged in whole or in part for Notes Due 2004 registered, and any transfer of
such Global Security in whole or in part may be registered, in the name or names
of  Persons  other  than such  Depositary  or a nominee  thereof  only under the
circumstances  set forth in Clause (2) of the last  paragraph  of Section 305 of
the Indenture,  or such other  circumstances  in addition to or in lieu of those
set forth in Clause (2) of the last paragraph of Section 305 of the Indenture as
to which the Company shall agree,  such  agreement to be confirmed in writing to
the Trustee.  Principal  of, and premium,  if any, and interest on the Notes Due
2004 will be payable,  the  transfer of Notes Due 2004 will be  registrable  and
Notes Due 2004 will be exchangeable  for Notes Due 2004 bearing  identical terms
and  provisions,  at the  office or  agency of the  Company  in the  Borough  of
Manhattan,  The City and State of New York; PROVIDED,  HOWEVER,  that payment of
interest  may be made at the  option  of the  Company  by  check  mailed  to the
registered holder at such address as shall appear in the Security Register.

         SECTION  103.  Each  Note Due 2004 will  bear  interest  at the rate of
5-7/8% per annum from February 23, 1999 or from the most recent Interest Payment
Date (as  hereinafter  defined) to which interest has been paid or duly provided
for until the principal  thereof is paid or made available for payment,  payable
on February 15 and August 15 of each year (each,  an "Interest  Payment  Date"),
commencing on August 15, 1999, to the person in whose name such Note Due 2004 or
any Predecessor Security is registered, at the close of business on the February
1 or August 1 next  preceding  such  Interest  Payment  Date.  Any such interest
installment not punctually paid or duly provided for shall forthwith cease to be
payable to the  registered  holders on such regular record date, and may be paid
to the  person  in whose  name  the  Note  Due 2004 (or one or more  Predecessor
Securities)  is registered at the close of business on a special  record date to
be fixed by the  Trustee  for the  payment of such  defaulted  interest,  notice
whereof shall be given to the registered  holders of the Notes Due 2004 not less
than 10 days prior to such special  record  date,  or may be paid at any time in
any other lawful manner not inconsistent with the requirements of any securities
exchange on which the Notes Due 2004 may be listed,  and upon such notice as may
be required by such exchange, all as more fully provided in the Indenture.

         The amount of  interest  payable for any period will be computed on the
basis of a 360-day  year of twelve  30-day  months.  Interest  will  accrue from
February 23, 1999 to, but not including, the relevant payment date. In the event
that  any date on which  interest  is  payable  on the  Notes  Due 2004 is not a
Business Day, then payment of interest  payable on such date will be made on the
next  succeeding  day which is a Business Day (and without any interest or other
payment  in  respect  of any such  delay),  in each case with the same force and
effect as if made on such date. A "Business Day" shall mean any day other than a

                                       3
<PAGE>
day on which  banking  institutions  in The City of New York are  authorized  or
obligated by law or executive order to close.

         SECTION 104. The Company,  at its option,  at any time, may redeem all,
or, from time to time,  any part of the Notes Due 2004,  upon notice as provided
in the  Indenture  at a redemption  price equal to the sum of (a) the  principal
amount of the Notes Due 2004 (or portion  thereof)  being  redeemed plus accrued
interest  thereon to the redemption date and (b) the Make-Whole  Amount (if any)
with respect to the Notes Due 2004 being redeemed.

         For purposes of this Section  104, the  following  terms shall have the
following meanings:

         "Make-Whole  Amount"  means  the  excess,  if any,  of (i) the sum,  as
determined by a Quotation Agent (as defined herein) of the present values of the
principal  amount of the Notes Due 2004 to be redeemed,  together with scheduled
payments of interest  (exclusive  of interest to the  redemption  date) from the
redemption  date to the Maturity of the Notes Due 2004, in each case  discounted
to  the  redemption  date  on a  semi-annual  basis  (assuming  a  360-day  year
consisting  of twelve 30-day  months) at the Adjusted  Treasury Rate (as defined
herein)  over  (ii)  100% of the  principal  amount  of the Notes Due 2004 to be
redeemed.

         "Adjusted  Treasury Rate" means,  with respect to any redemption  date,
the rate per annum equal to the semi-annual  equivalent yield to maturity of the
Comparable Treasury Issue,  calculated using a price for the Comparable Treasury
Issue  (expressed  as a  percentage  of  its  principal  amount)  equal  to  the
Comparable  Treasury  Price for such  redemption  date,  calculated on the third
Business Day preceding the redemption date, plus in each case 0.125% (12.5 basis
points).

         "Comparable  Treasury Issue" means the United States Treasury  security
selected by the Quotation Agent as having a maturity comparable to the remaining
term from the  redemption  date to the Maturity of the Notes Due 2004 that would
be utilized, at the time of selection and in accordance with customary financial
practice,  in pricing new issues of  corporate  debt  securities  of  comparable
maturity to the remaining term of the Notes Due 2004.

         "Quotation  Agent" means the Reference  Treasury Dealer selected by the
Trustee after consultation with the Company. "Reference Treasury Dealer" means a
primary U.S. Government securities dealer selected by the Company.

         "Comparable Treasury Price" means, with respect to any redemption date,
(i) the average of the bid and asked prices for the  Comparable  Treasury  Issue
(expressed in each case as a percentage  of its  principal  amount) on the third
Business  Day  preceding  such  redemption  date,  as set  forth  in  the  daily
statistical  release (or any successor release) published by the Federal Reserve
Bank of New  York  and  designated  "Composite  3:30  p.m.  Quotations  for U.S.
Government Securities" or (ii) if such release (or any successor release) is not

                                       4
<PAGE>
published or does not contain such prices on such  Business  Day, the average of
three (or such lesser number as is obtained by the Trustee)  Reference  Treasury
Dealer Quotations for such redemption date.

         "Reference  Treasury  Dealer  Quotations"  means,  with respect to each
Reference Treasury Dealer and any redemption date, the average, as determined by
the  Trustee,  of the bid and asked  prices for the  Comparable  Treasury  Issue
(expressed  in each case as a  percentage  of its  principal  amount)  quoted in
writing to the Trustee by such Reference  Treasury Dealer at 5:00 p.m., New York
City time, on the third Business Day preceding such redemption date.

         The Trustee  shall be under no duty to inquire into,  may  conclusively
presume  the  correctness  of, and shall be fully  protected  in acting upon the
Company's  calculation of any Redemption Price,  including any Make-Whole Amount
(if any).

         The Company  shall give the Trustee  written  notice of the  Redemption
Price, promptly after the calculation thereof.

         Notwithstanding Section 1104 of the Indenture, any notice of redemption
given pursuant to said Section with respect to the foregoing redemption need not
set forth the Redemption Price but only the manner of calculation thereof.

         SECTION 105. The Notes Due 2004 shall be defeasible pursuant to Section
1302 and Section 1303 of the Indenture.

                                   ARTICLE TWO

                             FORM OF NOTES DUE 2004

         SECTION  201.  The  Notes  Due 2004 and the  Trustee's  certificate  of
authentication  to be endorsed  thereon are to be substantially in the following
forms:

Form of Face of Security:

UNLESS THIS  CERTIFICATE  IS PRESENTED BY AN  AUTHORIZED  REPRESENTATIVE  OF THE
DEPOSITORY  TRUST COMPANY,  A NEW YORK  CORPORATION  ("DTC"),  TO ARIZONA PUBLIC
SERVICE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT,
AND ANY  CERTIFICATE  ISSUED IS  REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH
OTHER  NAME AS IS  REQUESTED  BY AN  AUTHORIZED  REPRESENTATIVE  OF DTC (AND ANY
PAYMENT  IS MADE TO CEDE & CO. OR TO SUCH  OTHER  ENTITY AS IS  REQUESTED  BY AN
AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR
VALUE OR  OTHERWISE BY OR TO ANY PERSON IS WRONGFUL  INASMUCH AS THE  REGISTERED
OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

                                       5
<PAGE>
                         ARIZONA PUBLIC SERVICE COMPANY

                              5-7/8% Note Due 2004

No. _________                                                       $125,000,000
                                                             CUSIP No. 040555BY9

         Arizona  Public  Service  Company,  a  corporation  duly  organized and
existing  under the laws of Arizona  (herein  called the  "Company",  which term
includes any successor Person under the Indenture  hereinafter referred to), for
value received, hereby promises to pay to Cede & Co., or registered assigns, the
principal sum of One Hundred  Twenty-Five  Million Dollars on February 15, 2004,
and to pay  interest  thereon  from  February  23,  1999 or from the most recent
Interest  Payment  Date to which  interest has been paid or duly  provided  for,
semi-annually on February 15 and August 15 in each year,  commencing  August 15,
1999,  at the rate of 5-7/8% per annum,  until the  principal  hereof is paid or
made available for payment. The interest so payable, and punctually paid or duly
provided for, on any Interest  Payment Date will, as provided in such Indenture,
be paid to the Person in whose name this  Security  (or one or more  Predecessor
Securities)  is registered  at the close of business on the Regular  Record Date
for such  interest,  which shall be the February 1 or August 1 (whether or not a
Business Day), as the case may be, next  preceding  such Interest  Payment Date.
Any such  interest not so punctually  paid or duly  provided for will  forthwith
cease to be payable to the Holder on such Regular  Record Date and may either be
paid to the  Person in whose  name  this  Security  (or one or more  Predecessor
Securities)  is registered at the close of business on a Special Record Date for
the  payment  of such  Defaulted  Interest  to be fixed by the  Trustee,  notice
whereof  shall be given to Holders of Securities of this series not less than 10
days  prior to such  Special  Record  Date,  or be paid at any time in any other
lawful manner not inconsistent with the requirements of any securities  exchange
on which the  Securities  of this series may be listed,  and upon such notice as
may be required by such exchange, all as more fully provided in said Indenture.

         Payment of the principal of (and  premium,  if any) and any interest on
this Security will be made at the office or agency of the Company maintained for
that  purpose in The City of New York,  in such coin or  currency  of the United
States of  America as at the time of  payment  is legal  tender  for  payment of
public and private debts;  provided,  however, that at the option of the Company
payment of  interest  may be made by check  mailed to the  address of the Person
entitled thereto as such address shall appear in the Security Register.

         Reference is hereby made to the further provisions of this Security set
forth on the reverse  hereof,  which further  provisions  shall for all purposes
have the same effect as if set forth at this place.

         Unless the  certificate of  authentication  hereon has been executed by
the Trustee referred to on the reverse hereof by manual signature, this Security
shall  not be  entitled  to any  benefit  under  the  Indenture  or be  valid or
obligatory for any purpose.

                                       6
<PAGE>
         IN WITNESS  WHEREOF,  the Company has caused this instrument to be duly
executed under its corporate seal.

                                        ARIZONA PUBLIC SERVICE COMPANY


                                        By______________________________________


Attest:


____________________________

Form of Reverse of Security.

         This  Security is one of a duly  authorized  issue of securities of the
Company (herein called the "Securities"), issued and to be issued in one or more
series  under an  Indenture,  dated as of January  15, 1998  (herein  called the
"Indenture",  which  term  shall  have  the  meaning  assigned  to  it  in  such
instrument),  between  the  Company  and The Chase  Manhattan  Bank,  as Trustee
(herein  called the "Trustee",  which term includes any successor  trustee under
the Indenture), and reference is hereby made to the Indenture for a statement of
the respective rights,  limitations of rights,  duties and immunities thereunder
of the Company,  the Trustee and the Holders of the  Securities and of the terms
upon which the Securities are, and are to be, authenticated and delivered.  This
Security  is  one of the  series  designated  on the  face  hereof,  limited  in
aggregate principal amount to $125,000,000.

         The  Securities of this series are subject to redemption  upon not less
than 30 days' notice by mail at any time at the option of the Company,  in whole
or from time to time in part, at a redemption  price equal to the sum of (i) the
principal  amount of the  Securities  (or portion  thereof)  being redeemed plus
accrued interest  thereon to the redemption date and (ii) the Make-Whole  Amount
(as defined below),  if any, with respect to the Securities  being redeemed (the
"Redemption Price") .

         If notice has been given as provided in the Indenture and funds for the
redemption of any  Securities  (or any portion  thereof)  called for  redemption
shall  have been made  available  on the  redemption  date  referred  to in such
notice,  such Securities (or any portion thereof) will cease to bear interest on
the date fixed for such  redemption  specified in such notice and the only right
of the Holders of such  Securities  will be to receive payment of the Redemption
Price.

         Notice of any optional  redemption of Securities of this series (or any
portion  thereof) will be given to Holders at their  addresses,  as shown in the
Security  Register for such  Securities,  not more than 60 nor less than 30 days
prior to the date fixed for  redemption.  The notice of redemption will specify,

                                       7
<PAGE>
among other items,  the  Redemption  Price or, if not then known,  the manner of
calculation  thereof,  and the principal amount of the Securities of this series
held by such Holder to be redeemed.  If less than all of the  Securities of this
series  are to be  redeemed  at the option of the  Company,  the  Trustee  shall
select,  in such  manner as it shall deem fair and  appropriate,  the portion of
such Securities to be redeemed in whole or in part.

         As used herein:

         "Make-Whole  Amount"  means  the  excess,  if any,  of (i) the sum,  as
determined by a Quotation  Agent (as defined  herein),  of the present values of
the principal  amount of the Securities of this series to be redeemed,  together
with  scheduled  payments of interest  (exclusive of interest to the  redemption
date) from the redemption date to the Maturity of such Securities,  in each case
discounted to the  redemption  date on a semi-annual  basis  (assuming a 360-day
year  consisting  of twelve  30-day  months) at the Adjusted  Treasury  Rate (as
defined herein) over (ii) 100% of the principal amount of the Securities of this
series to be redeemed.

         "Adjusted  Treasury Rate" means,  with respect to any redemption  date,
the rate per annum equal to the semi-annual  equivalent yield to maturity of the
Comparable Treasury Issue,  calculated using a price for the Comparable Treasury
Issue  (expressed  as a  percentage  of  its  principal  amount)  equal  to  the
Comparable  Treasury  Price for such  redemption  date,  calculated on the third
Business Day preceding the redemption date, plus in each case 0.125% (12.5 basis
points).

         "Comparable  Treasury Issue" means the United States Treasury  security
selected by the Quotation Agent as having a maturity comparable to the remaining
term from the  redemption  date to the Maturity of the Securities of this series
that  would  be  utilized,  at the  time of  selection  and in  accordance  with
customary financial practice, in pricing new issues of corporate debt securities
of comparable maturity to the remaining term of the Securities of this series.

         "Quotation  Agent" means the Reference  Treasury Dealer selected by the
Trustee after consultation with the Company. "Reference Treasury Dealer" means a
primary U.S. Government securities dealer selected by the Company.

         "Comparable Treasury Price" means, with respect to any redemption date,
(i) the average of the bid and asked prices for the  Comparable  Treasury  Issue
(expressed in each case as a percentage  of its  principal  amount) on the third
Business  Day  preceding  such  redemption  date,  as set  forth  in  the  daily
statistical  release (or any successor release) published by the Federal Reserve
Bank of New  York  and  designated  "Composite  3:30  p.m.  Quotations  for U.S.
Government Securities" or (ii) if such release (or any successor release) is not
published or does not contain such prices on such  Business  Day, the average of
three (or such lesser number as is obtained by the Trustee)  Reference  Treasury
Dealer Quotations for such redemption date.

                                       8
<PAGE>
         "Reference  Treasury  Dealer  Quotations"  means,  with respect to each
Reference Treasury Dealer and any redemption date, the average, as determined by
the  Trustee,  of the bid and asked  prices for the  Comparable  Treasury  Issue
(expressed  in each case as a  percentage  of its  principal  amount)  quoted in
writing to the Trustee by such Reference  Treasury Dealer at 5:00 p.m., New York
City time, on the third Business Day preceding such redemption date.

         The Securities of this series will not be subject to any sinking fund.

         In the  event  of  redemption  of this  Security  in part  only,  a new
Security  or  Securities  of this  series and of like  tenor for the  unredeemed
portion  hereof  will be  issued  in the  name of the  Holder  hereof  upon  the
cancellation hereof.

         The Indenture  contains  provisions  for  defeasance at any time of the
entire indebtedness of this Security or certain restrictive covenants and Events
of Default  with respect to this  Security,  in each case upon  compliance  with
certain conditions set forth in the Indenture.

         If an Event of Default with respect to  Securities of this series shall
occur and be  continuing,  the principal of the Securities of this series may be
declared  due and  payable in the manner  and with the  effect  provided  in the
Indenture.

         The Indenture permits, with certain exceptions as therein provided, the
amendment  thereof and the  modification  of the rights and  obligations  of the
Company  and the rights of the  Holders of the  Securities  of each series to be
affected under the Indenture at any time by the Company and the Trustee  without
the consent of such Holders in certain limited circumstances or with the consent
of the  Holders of 66-2/3% in  principal  amount of the  Securities  at the time
Outstanding  of  each  series  to  be  affected.  The  Indenture  also  contains
provisions  permitting the Holders of specified  percentages in principal amount
of the  Securities  of each  series  at the time  Outstanding,  on behalf of the
Holders of all  Securities  of such series,  to waive  compliance by the Company
with certain  provisions of the  Indenture  and certain past defaults  under the
Indenture  and their  consequences.  Any such consent or waiver by the Holder of
this  Security  shall be  conclusive  and binding  upon such Holder and upon all
future Holders of this Security and of any Security issued upon the registration
of transfer  hereof or in  exchange  herefor or in lieu  hereof,  whether or not
notation of such consent or waiver is made upon this Security.

         As provided  in and subject to the  provisions  of the  Indenture,  the
Holder of this  Security  shall not have the right to institute  any  proceeding
with respect to the Indenture or for the appointment of a receiver or trustee or
for any other remedy thereunder,  unless such Holder shall have previously given
the Trustee written notice of a continuing  Event of Default with respect to the
Securities of this series,  the Holders of not less than 25% in principal amount
of the Securities of this series at the time Outstanding shall have made written
request to the  Trustee  to  institute  proceedings  in respect of such Event of
Default as Trustee and offered the Trustee reasonable indemnity, and the Trustee
shall not have  received  from the Holders of a majority in principal  amount of
Securities of this series at the time Outstanding a direction  inconsistent with

                                       9
<PAGE>
such  request,  and shall have failed to institute any such  proceeding,  for 60
days after receipt of such notice, request and offer of indemnity. The foregoing
shall not apply to any suit  instituted  by the Holder of this  Security for the
enforcement of any payment of principal hereof or any premium or interest hereon
on or after the respective due dates expressed herein.

         No reference  herein to the Indenture and no provision of this Security
or of the Indenture  shall alter or impair the obligation of the Company,  which
is  absolute  and  unconditional,  to pay the  principal  of and any premium and
interest  on this  Security  at the  times,  place and rate,  and in the coin or
currency, herein prescribed.

         As provided in the Indenture and subject to certain limitations therein
set  forth,  the  transfer  of this  Security  is  registrable  in the  Security
Register,  upon surrender of this Security for  registration  of transfer at the
office or agency of the  Company  in any place  where the  principal  of and any
premium  and  interest  on this  Security  are  payable,  duly  endorsed  by, or
accompanied  by a written  instrument  of transfer in form  satisfactory  to the
Company and the Security  Registrar  duly  executed by, the Holder hereof or his
attorney duly authorized in writing, and thereupon one or more new Securities of
this  series and of like tenor,  of  authorized  denominations  and for the same
aggregate  principal  amount,  will be issued to the  designated  transferee  or
transferees.

         The  Securities  of this series are issuable  only in  registered  form
without coupons in denominations of $1,000 and any integral multiple thereof. As
provided in the Indenture and subject to certain  limitations therein set forth,
Securities of this series are exchangeable for a like aggregate principal amount
of  Securities  of this  series  and of like  tenor  of a  different  authorized
denomination, as requested by the Holder surrendering the same.

         No service charge shall be made for any such  registration  of transfer
or exchange,  but the Company may require  payment of a sum  sufficient to cover
any tax or other governmental charge payable in connection therewith.

         Prior to due presentment of this Security for registration of transfer,
the  Company,  the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name this Security is registered as the owner hereof for all
purposes,  whether or not this Security be overdue, and neither the Company, the
Trustee nor any such agent shall be affected by notice to the contrary.

         All terms used in this  Security  which are  defined  in the  Indenture
shall have the meanings assigned to them in the Indenture.

                                       10
<PAGE>
Form of Trustee's Certificate of Authentication.

                          CERTIFICATE OF AUTHENTICATION

         This is one of the Securities of the series designated therein referred
to in the within-mentioned Indenture.

                                                        THE CHASE MANHATTAN BANK
                                                                      AS TRUSTEE


                                                        By______________________
                                                             AUTHORIZED OFFICER


                                  ARTICLE THREE

                        ORIGINAL ISSUE OF NOTES DUE 2004

         SECTION  301.  Notes  Due 2004 in the  aggregate  principal  amount  of
$125,000,000 may, upon execution of this Second Supplemental  Indenture, or from
time to time thereafter, be executed by the Company and delivered to the Trustee
for  authentication,  and the Trustee shall thereupon  authenticate  and deliver
said Notes Due 2004 in accordance  with a Company Order delivered to the Trustee
by the Company, without any further action by the Company.

                                  ARTICLE FOUR

                           PAYING AGENT AND REGISTRAR

         SECTION  401.  The Chase  Manhattan  Bank will be the Paying  Agent and
Security Registrar for the Notes Due 2004.

                                  ARTICLE FIVE

                                SUNDRY PROVISIONS

         SECTION  501.  Except as  otherwise  expressly  provided in this Second
Supplemental  Indenture  or in the form of Notes Due 2004 or  otherwise  clearly
required by the context hereof or thereof, all terms used herein or in said form
of Notes Due 2004 that are  defined  in the  Indenture  shall  have the  several
meanings respectively assigned to them thereby.

         SECTION 502. The Indenture, as heretofore supplemented and amended, and
as  supplemented  by this  Second  Supplemental  Indenture,  is in all  respects
ratified and confirmed,  and this Second Supplemental  Indenture shall be deemed

                                       11
<PAGE>
part of the  Indenture  in the  manner  and to the  extent  herein  and  therein
provided.

         SECTION 503. The Trustee  hereby  accepts the trusts  herein  declared,
provided, created,  supplemented, or amended and agrees to perform the same upon
the terms and conditions herein and in the Indenture, as heretofore supplemented
and amended, set forth and upon the following terms and conditions:

         The Trustee shall not be responsible in any manner whatsoever for or in
respect of the validity or sufficiency of this Second Supplemental  Indenture or
for or in respect of the recitals  contained  herein,  all of which recitals are
made by the  Company  solely.  In  general,  each and every  term and  condition
contained in Article Six of the Indenture shall apply to and form a part of this
Second Supplemental Indenture with the same force and effect as if the same were
herein set forth in full with such omissions,  variations,  and  insertions,  if
any, as may be  appropriate  to make the same conform to the  provisions of this
Second Supplemental Indenture.

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

         This instrument may be executed in any number of counterparts,  each of
which so executed shall be deemed to be an original,  but all such  counterparts
shall together constitute but one and the same instrument.

                                       12
<PAGE>
         IN  WITNESS  WHEREOF,  the  parties  hereto  have  caused  this  Second
Supplemental Indenture to be duly executed, and their respective corporate seals
to be  hereunto  affixed  and  attested,  all as of the day and year first above
written.

                                        ARIZONA PUBLIC SERVICE COMPANY


                                        By: Michael V. Palmeri
                                            ------------------------------------
                                             Michael V. Palmeri
                                             Treasurer


Attest:


Betsy Pregulman
- -----------------------------
Associate Secretary




                                        THE CHASE MANHATTAN BANK, as Trustee


                                        By: T. J. Foley
                                            ------------------------------------
                                             Vice President     


Attest:


R. Lorenzen
- -----------------------------
                                       13
<PAGE>
STATE OF ARIZONA              )
                              )  ss.:
COUNTY OF MARICOPA            )

         On the 22nd day of February, 1999, before me personally came Michael V.
Palmeri, to me known, who, being by me duly sworn, did depose and say that he is
the  Treasurer  of  Arizona  Public  Service  Company,  one of the  corporations
described in and which executed the foregoing instrument; that he knows the seal
of said corporation;  that the seal affixed to said instrument is such corporate
seal;  that it was so affixed by  authority  of the Board of  Directors  of said
corporation; and that he signed his name thereto by like authority.

                                             Kris Fenex
                                             My Commission Expires Aug. 16, 2002





STATE OF NEW YORK             )
                              )  ss.:
COUNTY OF NEW YORK            )

         On the 22nd day of  February,  1999,  before me  personally  came T. J.
Foley, to me known,  who, being by me duly sworn,  did depose and say that he is
Vice President of The Chase Manhattan Bank, one of the corporations described in
and which  executed  the  foregoing  instrument;  that he knows the seal of said
corporation;  that the seal affixed to said  instrument is such corporate  seal;
that  it was so  affixed  by  authority  of  the  Board  of  Directors  of  said
corporation; and that he signed his name thereto by like authority.

                                             Annabelle Deluca
                                             No. 01DE5013759
                                             Commission Expires July 15, 1999

                                       14

UNLESS THIS  CERTIFICATE  IS PRESENTED BY AN  AUTHORIZED  REPRESENTATIVE  OF THE
DEPOSITORY  TRUST COMPANY,  A NEW YORK  CORPORATION  ("DTC"),  TO ARIZONA PUBLIC
SERVICE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT,
AND ANY  CERTIFICATE  ISSUED IS  REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH
OTHER  NAME AS IS  REQUESTED  BY AN  AUTHORIZED  REPRESENTATIVE  OF DTC (AND ANY
PAYMENT  IS MADE TO CEDE & CO. OR TO SUCH  OTHER  ENTITY AS IS  REQUESTED  BY AN
AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR
VALUE OR  OTHERWISE BY OR TO ANY PERSON IS WRONGFUL  INASMUCH AS THE  REGISTERED
OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.


                         ARIZONA PUBLIC SERVICE COMPANY

                              5-7/8% Note Due 2004

No.    1                                                            $125,000,000
   ---------                                                 CUSIP No. 040555BY9

         Arizona  Public  Service  Company,  a  corporation  duly  organized and
existing  under the laws of Arizona  (herein  called the  "Company",  which term
includes any successor Person under the Indenture  hereinafter referred to), for
value received, hereby promises to pay to Cede & Co., or registered assigns, the
principal sum of One Hundred  Twenty-Five  Million Dollars on February 15, 2004,
and to pay  interest  thereon  from  February  23,  1999 or from the most recent
Interest  Payment  Date to which  interest has been paid or duly  provided  for,
semi-annually on February 15 and August 15 in each year,  commencing  August 15,
1999,  at the rate of 5-7/8% per annum,  until the  principal  hereof is paid or
made available for payment. The interest so payable, and punctually paid or duly
provided for, on any Interest  Payment Date will, as provided in such Indenture,
be paid to the Person in whose name this  Security  (or one or more  Predecessor
Securities)  is registered  at the close of business on the Regular  Record Date
for such  interest,  which shall be the February 1 or August 1 (whether or not a
Business Day), as the case may be, next  preceding  such Interest  Payment Date.
Any such  interest not so punctually  paid or duly  provided for will  forthwith
cease to be payable to the Holder on such Regular  Record Date and may either be
paid to the  Person in whose  name  this  Security  (or one or more  Predecessor
Securities)  is registered at the close of business on a Special Record Date for
the  payment  of such  Defaulted  Interest  to be fixed by the  Trustee,  notice
whereof  shall be given to Holders of Securities of this series not less than 10
days  prior to such  Special  Record  Date,  or be paid at any time in any other
lawful manner not inconsistent with the requirements of any securities  exchange
on which the  Securities  of this series may be listed,  and upon such notice as
may be required by such exchange, all as more fully provided in said Indenture.
<PAGE>
         Payment of the principal of (and  premium,  if any) and any interest on
this Security will be made at the office or agency of the Company maintained for
that  purpose in The City of New York,  in such coin or  currency  of the United
States of  America as at the time of  payment  is legal  tender  for  payment of
public and private debts;  provided,  however, that at the option of the Company
payment of  interest  may be made by check  mailed to the  address of the Person
entitled thereto as such address shall appear in the Security Register.

         Reference is hereby made to the further provisions of this Security set
forth on the reverse  hereof,  which further  provisions  shall for all purposes
have the same effect as if set forth at this place.

         Unless the  certificate of  authentication  hereon has been executed by
the Trustee referred to on the reverse hereof by manual signature, this Security
shall  not be  entitled  to any  benefit  under  the  Indenture  or be  valid or
obligatory for any purpose.

         IN WITNESS  WHEREOF,  the Company has caused this instrument to be duly
executed under its corporate seal.

                                          ARIZONA PUBLIC SERVICE COMPANY


                                          By George A. Schreiber, Jr.
                                             -----------------------------------
                                             Executive Vice President and
                                             Chief Financial Officer

Attest:


Nancy C. Loftin
- ----------------------------------
Vice President, Chief Legal
Counsel and Secretary

                                       2
<PAGE>
         This  Security is one of a duly  authorized  issue of securities of the
Company (herein called the "Securities"), issued and to be issued in one or more
series  under an  Indenture,  dated as of January  15, 1998  (herein  called the
"Indenture",  which  term  shall  have  the  meaning  assigned  to  it  in  such
instrument),  between  the  Company  and The Chase  Manhattan  Bank,  as Trustee
(herein  called the "Trustee",  which term includes any successor  trustee under
the Indenture), and reference is hereby made to the Indenture for a statement of
the respective rights,  limitations of rights,  duties and immunities thereunder
of the Company,  the Trustee and the Holders of the  Securities and of the terms
upon which the Securities are, and are to be, authenticated and delivered.  This
Security  is  one of the  series  designated  on the  face  hereof,  limited  in
aggregate principal amount to $125,000,000.

         The  Securities of this series are subject to redemption  upon not less
than 30 days' notice by mail at any time at the option of the Company,  in whole
or from time to time in part, at a redemption  price equal to the sum of (i) the
principal  amount of the  Securities  (or portion  thereof)  being redeemed plus
accrued interest  thereon to the redemption date and (ii) the Make-Whole  Amount
(as defined below),  if any, with respect to the Securities  being redeemed (the
"Redemption Price") .

         If notice has been given as provided in the Indenture and funds for the
redemption of any  Securities  (or any portion  thereof)  called for  redemption
shall  have been made  available  on the  redemption  date  referred  to in such
notice,  such Securities (or any portion thereof) will cease to bear interest on
the date fixed for such  redemption  specified in such notice and the only right
of the Holders of such  Securities  will be to receive payment of the Redemption
Price.

         Notice of any optional  redemption of Securities of this series (or any
portion  thereof) will be given to Holders at their  addresses,  as shown in the
Security  Register for such  Securities,  not more than 60 nor less than 30 days
prior to the date fixed for  redemption.  The notice of redemption will specify,
among other items,  the  Redemption  Price or, if not then known,  the manner of
calculation  thereof,  and the principal amount of the Securities of this series
held by such Holder to be redeemed.  If less than all of the  Securities of this
series  are to be  redeemed  at the option of the  Company,  the  Trustee  shall
select,  in such  manner as it shall deem fair and  appropriate,  the portion of
such Securities to be redeemed in whole or in part.

                                       3
<PAGE>
         As used herein:

         "Make-Whole  Amount"  means  the  excess,  if any,  of (i) the sum,  as
determined by a Quotation  Agent (as defined  herein),  of the present values of
the principal  amount of the Securities of this series to be redeemed,  together
with  scheduled  payments of interest  (exclusive of interest to the  redemption
date) from the redemption date to the Maturity of such Securities,  in each case
discounted to the  redemption  date on a semi-annual  basis  (assuming a 360-day
year  consisting  of twelve  30-day  months) at the Adjusted  Treasury  Rate (as
defined herein) over (ii) 100% of the principal amount of the Securities of this
series to be redeemed.

         "Adjusted  Treasury Rate" means,  with respect to any redemption  date,
the rate per annum equal to the semi-annual  equivalent yield to maturity of the
Comparable Treasury Issue,  calculated using a price for the Comparable Treasury
Issue  (expressed  as a  percentage  of  its  principal  amount)  equal  to  the
Comparable  Treasury  Price for such  redemption  date,  calculated on the third
Business Day preceding the redemption date, plus in each case 0.125% (12.5 basis
points).

         "Comparable  Treasury Issue" means the United States Treasury  security
selected by the Quotation Agent as having a maturity comparable to the remaining
term from the  redemption  date to the Maturity of the Securities of this series
that  would  be  utilized,  at the  time of  selection  and in  accordance  with
customary financial practice, in pricing new issues of corporate debt securities
of comparable maturity to the remaining term of the Securities of this series.

         "Quotation  Agent" means the Reference  Treasury Dealer selected by the
Trustee after consultation with the Company. "Reference Treasury Dealer" means a
primary U.S. Government securities dealer selected by the Company.

         "Comparable Treasury Price" means, with respect to any redemption date,
(i) the average of the bid and asked prices for the  Comparable  Treasury  Issue
(expressed in each case as a percentage  of its  principal  amount) on the third
Business  Day  preceding  such  redemption  date,  as set  forth  in  the  daily
statistical  release (or any successor release) published by the Federal Reserve
Bank of New  York  and  designated  "Composite  3:30  p.m.  Quotations  for U.S.
Government Securities" or (ii) if such release (or any successor release) is not
published or does not contain such prices on such  Business  Day, the average of
three (or such lesser number as is obtained by the Trustee)  Reference  Treasury
Dealer Quotations for such redemption date.

         "Reference  Treasury  Dealer  Quotations"  means,  with respect to each
Reference Treasury Dealer and any redemption date, the average, as determined by
the  Trustee,  of the bid and asked  prices for the  Comparable  Treasury  Issue
(expressed  in each case as a  percentage  of its  principal  amount)  quoted in
writing to the Trustee by such Reference  Treasury Dealer at 5:00 p.m., New York
City time, on the third Business Day preceding such redemption date.

                                       4
<PAGE>
         The Securities of this series will not be subject to any sinking fund.

         In the  event  of  redemption  of this  Security  in part  only,  a new
Security  or  Securities  of this  series and of like  tenor for the  unredeemed
portion  hereof  will be  issued  in the  name of the  Holder  hereof  upon  the
cancellation hereof.

         The Indenture  contains  provisions  for  defeasance at any time of the
entire indebtedness of this Security or certain restrictive covenants and Events
of Default  with respect to this  Security,  in each case upon  compliance  with
certain conditions set forth in the Indenture.

         If an Event of Default with respect to  Securities of this series shall
occur and be  continuing,  the principal of the Securities of this series may be
declared  due and  payable in the manner  and with the  effect  provided  in the
Indenture.

         The Indenture permits, with certain exceptions as therein provided, the
amendment  thereof and the  modification  of the rights and  obligations  of the
Company  and the rights of the  Holders of the  Securities  of each series to be
affected under the Indenture at any time by the Company and the Trustee  without
the consent of such Holders in certain limited circumstances or with the consent
of the  Holders of 66-2/3% in  principal  amount of the  Securities  at the time
Outstanding  of  each  series  to  be  affected.  The  Indenture  also  contains
provisions  permitting the Holders of specified  percentages in principal amount
of the  Securities  of each  series  at the time  Outstanding,  on behalf of the
Holders of all  Securities  of such series,  to waive  compliance by the Company
with certain  provisions of the  Indenture  and certain past defaults  under the
Indenture  and their  consequences.  Any such consent or waiver by the Holder of
this  Security  shall be  conclusive  and binding  upon such Holder and upon all
future Holders of this Security and of any Security issued upon the registration
of transfer  hereof or in  exchange  herefor or in lieu  hereof,  whether or not
notation of such consent or waiver is made upon this Security.

         As provided  in and subject to the  provisions  of the  Indenture,  the
Holder of this  Security  shall not have the right to institute  any  proceeding
with respect to the Indenture or for the appointment of a receiver or trustee or
for any other remedy thereunder,  unless such Holder shall have previously given
the Trustee written notice of a continuing  Event of Default with respect to the
Securities of this series,  the Holders of not less than 25% in principal amount
of the Securities of this series at the time Outstanding shall have made written
request to the  Trustee  to  institute  proceedings  in respect of such Event of
Default as Trustee and offered the Trustee reasonable indemnity, and the Trustee
shall not have  received  from the Holders of a majority in principal  amount of
Securities of this series at the time Outstanding a direction  inconsistent with
such  request,  and shall have failed to institute any such  proceeding,  for 60
days after receipt of such notice, request and offer of indemnity. The foregoing
shall not apply to any suit  instituted  by the Holder of this  Security for the
enforcement of any payment of principal hereof or any premium or interest hereon
on or after the respective due dates expressed herein.

                                       5
<PAGE>
         No reference  herein to the Indenture and no provision of this Security
or of the Indenture  shall alter or impair the obligation of the Company,  which
is  absolute  and  unconditional,  to pay the  principal  of and any premium and
interest  on this  Security  at the  times,  place and rate,  and in the coin or
currency, herein prescribed.

         As provided in the Indenture and subject to certain limitations therein
set  forth,  the  transfer  of this  Security  is  registrable  in the  Security
Register,  upon surrender of this Security for  registration  of transfer at the
office or agency of the  Company  in any place  where the  principal  of and any
premium  and  interest  on this  Security  are  payable,  duly  endorsed  by, or
accompanied  by a written  instrument  of transfer in form  satisfactory  to the
Company and the Security  Registrar  duly  executed by, the Holder hereof or his
attorney duly authorized in writing, and thereupon one or more new Securities of
this  series and of like tenor,  of  authorized  denominations  and for the same
aggregate  principal  amount,  will be issued to the  designated  transferee  or
transferees.

         The  Securities  of this series are issuable  only in  registered  form
without coupons in denominations of $1,000 and any integral multiple thereof. As
provided in the Indenture and subject to certain  limitations therein set forth,
Securities of this series are exchangeable for a like aggregate principal amount
of  Securities  of this  series  and of like  tenor  of a  different  authorized
denomination, as requested by the Holder surrendering the same.

         No service charge shall be made for any such  registration  of transfer
or exchange,  but the Company may require  payment of a sum  sufficient to cover
any tax or other governmental charge payable in connection therewith.

         Prior to due presentment of this Security for registration of transfer,
the  Company,  the Trustee and any agent of the Company or the Trustee may treat
the Person in whose name this Security is registered as the owner hereof for all
purposes,  whether or not this Security be overdue, and neither the Company, the
Trustee nor any such agent shall be affected by notice to the contrary.

         All terms used in this  Security  which are  defined  in the  Indenture
shall have the meanings assigned to them in the Indenture.

                                       6
<PAGE>
                          CERTIFICATE OF AUTHENTICATION

         This is one of the Securities of the series designated therein referred
to in the within-mentioned Indenture.

                                                        THE CHASE MANHATTAN BANK
                                                                      AS TRUSTEE


                                                        By T. J. Foley
                                                           ---------------------
                                                              AUTHORIZED OFFICER

                                       7

                                  EXHIBIT 12.2





                         ARIZONA PUBLIC SERVICE COMPANY
                    COMPUTATION OF EARNINGS TO FIXED CHARGES
                             (THOUSANDS OF DOLLARS)

<TABLE>
<CAPTION>
                                                            Twelve Months Ended
                                       -------------------------------------------------------------
                                                                December 31,
                                       -------------------------------------------------------------

                                          1998         1997         1996         1995         1994
                                          ----         ----         ----         ----         ----
<S>                                    <C>          <C>          <C>          <C>          <C>
Earnings:
    Net Income .....................   $ 255,247    $ 251,493    $ 243,471    $ 239,570    $ 243,486
    Income taxes (1) ...............     159,456      153,324      132,961      141,267      177,244
    Fixed Charges ..................     188,568      195,055      203,855      214,768      213,581
                                       ---------    ---------    ---------    ---------    ---------
      Total ........................   $ 603,271    $ 599,872    $ 580,287    $ 595,605    $ 634,311
                                       =========    =========    =========    =========    =========

Fixed Charges:
    Interest expense ...............   $ 144,695    $ 150,335    $ 158,287    $ 168,175    $ 166,045
    Amortization of debt discount,
      premium and expense ..........       7,580        7,791        8,176        8,622        8,854
    Estimated interest portion of
      annual rents (2) .............      36,293       36,929       37,392       37,971       38,682
                                       ---------    ---------    ---------    ---------    ---------
      Total ........................   $ 188,568    $ 195,055    $ 203,855    $ 214,768    $ 213,581
                                       =========    =========    =========    =========    =========

Ratio of Earnings to Fixed Charges
    (rounded down) .................        3.19         3.07         2.84         2.77         2.96
                                       =========    =========    =========    =========    =========

(1) Income Taxes:
    Charged to operations ..........   $ 192,207    $ 184,737    $ 178,513    $ 178,865    $ 168,202
    Charged (credited) to other
      accounts .....................     (32,751)     (31,413)     (45,552)     (37,598)       9,042
                                       ---------    ---------    ---------    ---------    ---------
      Total ........................   $ 159,456    $ 153,324    $ 132,961    $ 141,267    $ 177,244
                                       =========    =========    =========    =========    =========

(2) Estimated  interest portion of
    Unit 2 lease payments included
    in estimated interest portion of
    annual rentals .................   $  34,315    $  34,720    $  35,083    $  35,422    $  35,710
                                       =========    =========    =========    =========    =========
</TABLE>


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