AGREEMENT

                                       of

                                 AUGUST 31, 1955



                                     between



                               SALT RIVER PROJECT

                            AGRICULTURAL IMPROVEMENT

                               AND POWER DISTRICT



                                       and



                             ARIZONA PUBLIC SERVICE

                                     COMPANY

                                TABLE OF CONTENTS
                                                                            Page
                    RECITALS                                                  1

ARTICLE I       -   DEFINITIONS                                               6

ARTICLE II      -   TERRITORIAL ALLOCATIONS                                   6

     Section A  -   Mutual Agreements with Respect to Territory,
                        Customers and Load                                    6

     Section B  -   District's Territory, Customers and Load                 11

     Section C  -   Company's Territory, Customers and Load                  23

     Section D  -   Exceptions and Reservations                              33

     Section E  -   Transfer of Facilities                                   38

ARTICLE III     -   POWER CONTRACTS                                          40

     Section A  -   Territory Equivalent Power Contracts                     40

     Section B  -   Additional Power Contract                                48

     Section C  -   General Terms and Conditions                             49

     Section D  -   Power Coordination Arrangements                          51

     Section E  -   Differences and Inconsistencies                          51

     Section F  -   Effect of Cancellation of Power Contracts                52

ARTICLE IV      -   CANCELLATION OF EXISTING AGREEMENTS                      52

ARTICLE V       -   THIRD PARTIES NOT TO BENEFIT                             52

ARTICLE VI      -   EXISTING CONTRACTS FOR SERVICE OF
                    ELECTRICAL ENERGY                                        53

ARTICLE VII     -   INDEMNITY AGAINST CUSTOMERS' CLAIMS AND
                    COOPERATION IN DEFENDING VALIDITY OF THIS
                    AGREEMENT AND POWER CONTRACTS                            54

ARTICLE VIII    -   STREET LIGHTING                                          54

ARTICLE IX      -   MISCELLANEOUS COVENANTS                                  55

ARTICLE X       -   TRANSFERS, MERGERS AND ASSIGNMENTS                       56

ARTICLE XI      -   RESTRICTIONS ON TERMINATION OF AGREEMENT                 58

ARTICLE XII     -   NOTICES                                                  59

ARTICLE XIII    -   CAPTIONS AND HEADINGS                                    59

ARTICLE XIV     -   WAIVERS                                                  59

ARTICLE XV      -   APPROVALS                                                60














                                    AGREEMENT

                                       of

                                 AUGUST 31, 1955



                                     between



                               SALT RIVER PROJECT

                            AGRICULTURAL IMPROVEMENT

                               AND POWER DISTRICT



                                       and



                             ARIZONA PUBLIC SERVICE

                                     COMPANY

                                    AGREEMENT
                                    ---------

         THIS  AGREEMENT  made and  entered  into as of the 31st day of  August,
1955, by and between the SALT RIVER PROJECT  AGRICULTURAL  IMPROVEMENT AND POWER
DISTRICT, an Agricultural Improvement District,  organized under the laws of the
State of Arizona,  hereinafter  celled the  "District",  and the ARIZONA  PUBLIC
SERVICE  COMPANY,  a  corporation,  organized and existing under the laws of the
State of Arizona, hereinafter called the "Company".

         WITNESSETH:

         That,  WHEREAS,  the  District  was  organized  in 1937 and now  exists
pursuant to the provisions of the Agricultural  Improvement  District Act of the
State of Arizona,  as amended,  and the territory included within its boundaries
is now included within the boundaries of the SALT RIVER PROJECT, as such Project
is hereinafter defined; and

         WHEREAS,   the   District  and  the  SALT  RIVER  VALLEY  WATER  USERS'
ASSOCIATION,  a  corporation  organized  and  existing  under  the  laws  of the
Territory, now the State, of Arizona, hereinafter called the "Association", made
and entered into an agreement on the 22nd day of March 1937, which agreement was
amended on the 28th day of February  1944,  and again amended on the 12th day of
September  1949, and by the terms of said agreement as amended,  the Association
transferred  to the  District  all  its  properties  and  facilities;  including
properties  and  facilities  for the  generation  and  distribution  of electric
energy; and

         WHEREAS,  by the said  agreement  of March 22,  1937,  as amended,  the
District  among  other  things  assumed the  obligations  and  covenants  of the
Association under all contracts to which the Association was a party, and agreed
to perform and carry out all of the duties,  obligations  and  covenants  of the
Association  under said  contracts,  included  among  which  contracts  were the
contracts  entered into between the  Association  and Central  Arizona Light and
Power Company, and between the Association and Arizona Edison Company, Inc., and
the predecessor of said latter corporation,  Arizona Edison Company,  certain of
which contracts are more specifically hereinafter referred to; and
                                        1

         WHEREAS,  the Company is a public  service  corporation  organized  and
existing under the laws of the State of Arizona, having been organized under the
laws of this State on the 16th day of February  1920,  under the name of Central
Arizona Light and Power Company; and

         WHEREAS,  Arizona  Edison  Company and its  successor,  Arizona  Edison
Company,  Inc., were public service corporations organized under the laws of the
State of Arizona; and

         WHEREAS,  pursuant to an agreement of consolidation  effective March 1,
1952, Arizona Edison Company,  Inc., was merged and consolidated pursuant to the
laws of the State of Arizona into Central  Arizona Light and Power Company,  and
the name of Central Arizona Light and Power Company was concurrently  changed to
Arizona Public Service Company; and

         WHEREAS,  by virtue  of such  merger  and  consolidation,  the  Company
assumed all of the duties,  obligations  and  liabilities,  and acquired all the
rights, assets and properties of Arizona Edison Company, Inc.; and

         WHEREAS, the Association directly and in its own name rendered electric
service to its members and to the public in Maricopa, Gila and Pinal Counties of
Arizona,  from 1917 until 1937;  and since 1937,  the District has,  pursuant to
agreement between the District and the Association,  above referred to, rendered
such service in the said counties; and

         WHEREAS, the Company has been, since it commenced  operations,  engaged
in rendering  electric  (and other)  services in Maricopa and other  counties of
Arizona,  and has rendered electric service in Pinal, Gila and other counties of
Arizona since the merger or  consolidation  into it of Arizona  Edison  Company,
Inc., in 1952; and

         WHEREAS,  Arizona Edison Company,  Inc., and its corporate predecessor,
Arizona  Edison  Company,   from  September  5,  1925,   until  the  merger  and
consolidation  of Arizona  Edison  Company,  inc.,  into the Company on March 1,
1952,  rendered  electric service in Pinal,  Gila and other counties of Arizona;
and
                                        2

         WHEREAS,  in certain portions of Pinal and Gila Counties (such portions
being  hereinafter  described  and  referred  to  as  the  "Eastern  Area"),  in
conformity with certain existing territorial agreements hereinafter referred to,
the Company now owns and  operates  distribution  systems in the towns of Globe,
Miami, Superior, Winkelman, and vicinity, and owns no transmission lines located
in such  area,  and the  District  principally  serves  large  mining,  milling,
smelting,  and related loads, and owns various  transmission  lines in such area
over which electricity is delivered at wholesale to the Company for distribution
in Superior, Globe, Miami, and vicinity; and

         WHEREAS,  in order to facilitate  the rendition of electric  service in
the areas served by the Company and its  predecessors and in the areas served by
the District and the  Association,  and to permit and foster the coordination of
the operations and the generating  facilities of the combined  electric systems,
certain agreements have heretofore been entered into between the Company and the
Association, and between Arizona Edison Company, Inc., or Arizona Edison Company
and the Association,  as hereinafter  referred to, pursuant to which the Company
is now purchasing  from the District  substantial  amounts of electric power and
energy at various delivery points in its system, and certain of these agreements
contain  various  provisions as to allocations of territory,  and other matters,
all as in said agreements provided, the said agreements including the following:

         (a)      Agreement dated October 23, 1922,  between the Association and
                  the Central  Arizona Light and Power Company,  which Agreement
                  was from time to time  thereafter  amended,  providing for the
                  purchase   and  sale  of  electric   energy  and  for  certain
                  allocations  of  territory,   such  Agreement  and  amendments
                  thereto  being  hereinafter  referred to as the  "Agreement of
                  1922"; and

         (b)      Agreement  dated June 24, 1925,  between the  Association  and
                  Central  Arizona  Light and Power  Company,  providing for the
                  construction  of a power plant at Mormon Flat Dam, and for the
                  purchase and sale of electric  energy,  such Agreement and its
                  various  amendments  being  hereinafter  referred  to  as  the
                  "Agreement of 1925"; and
                                        3

         (c)      Agreement dated February 8, 1928,  between the Association and
                  Central  Arizona  Light and Power  Company  providing  for the
                  construction  of a  hydro-electric  plant on the Salt River at
                  Stewart  Mountain,  and for the  purchase and sale of electric
                  energy  from  said  hydro-electric   plant,  and  for  certain
                  allocations  of  territory,  such  Agreement  and its  various
                  amendments being hereinafter  referred to as the "Agreement of
                  1928"; and

         (d)      Agreement  dated July 5, 1930,  between Arizona Edison Company
                  and the  Association,  providing  for the purchase and sale of
                  electric energy and for certain allocations of territory; and

         (e)      Agreement  dated April 5, 1937,  between the  Association  and
                  Arizona  Edison  Company,  Inc.,  successor to Arizona  Edison
                  Company,  supplementing  and amending the Agreement of July 5,
                  1930; and

         (f)      Agreement dated May 31, 1951,  between Arizona Edison Company,
                  Inc.,  and  the  District,   supplementing  and  amending  the
                  Agreement of July 5, 1930; and

         WHEREAS,  the  District  recognizes  its  obligation  to carry  out and
perform the obligations of the Association and the District under the contracts,
agreements and the amendments thereto hereinabove referred to; and

         WHEREAS, the Company recognizes its obligation to carry out and perform
the  obligations  undertaken by Arizona  Edison  Company and and Arizona  Edison
Company,  Inc.,  and by it under its former  name of Central  Arizona  Light and
Power Company, under the aforesaid agreements and amendments thereto; and

         WHEREAS,  certain  disputes  and  differences  of opinion  have  arisen
between  the  Company  and the  District as to the intent and meaning of certain
portions  of the  above  mentioned  agreements,  particularly  with  respect  to
territorial allocations therein, the existence of which disputes and differences
would,  if uncomposed,  be detrimental to the efficient  coordination of the two
electric  systems,  and the existence of which would impede the  furtherance and
advancement of such coordination; and
                                        4

         WHEREAS,  the parties hereto  recognize the  advantages,  economies and
increased  efficiencies  which  can be  realized  from the  coordination  of the
operations  and the  construction  programs of the two electric  systems and the
resulting public benefit; and

         WHEREAS, the District is willing to sell substantial additional amounts
of electric  power to the Company,  and the Company is willing to purchase  such
additional amounts of electric power only in the event the Company is assured of
having the  exclusive  right  insofar as the  District  is  concerned  to supply
electric  service in the territory and to the types of customers and load herein
allocated to it; and

         WHEREAS,  on the basis of the principles above set out, and since it is
in the public  interest  that they do so, the parties  hereto desire to compose,
compromise and settle  disputes and differences  existing  between them, to make
revised  allocations of territory,  customers and load, to restate,  clarify and
revise certain of the provisions of the contracts and agreements  above referred
to, to modify the existing  contractual rights and obligations  existing between
them  thereunder,  to enter into new  agreements  for the sale of electric power
between them, and to merge and  consolidate  into this Agreement the revised and
modified  agreements as to territorial  allocations and various other matters as
hereinafter set out; and

         WHEREAS,  the parties  hereto deem the making of the power  agreements,
hereinafter  more  fully  described,  and the  making  of this  Agreement  to be
desirable  in  the  best  interests  of  themselves,  their  members,  electors,
stockholders  or  shareholders,  and of the consumers and the public,  and to be
necessary  and  appropriate  in the public  interest  to foster and  advance the
regional  coordination of the electric  systems of the Company and the District,
and the parties further deem the making of such  agreements  necessary to enable
both the District and the Company to more  efficiently  and adequately  meet the
increasing  demands of the public for electric power and energy,  and to achieve
the maximum  efficiency of the overall  electric  operations of both the Company
and the District;

         NOW, THEREFORE,  in consideration of the mutual covenants hereof, IT IS
AGREED:
                                        5

Article I
Article II  Section A


                             ARTICLE I - DEFINITIONS
                             -----------------------

         1. The "Salt River  Project" is a Federal  Reclamation  Project and, as
such term is herein used with  reference to territory,  shall mean all territory
lying  within  the  boundaries  of  the  Salt  River   Reservoir   District  now
particularly   described  in  Section  3  of  Article  IV  of  the  Articles  of
Incorporation of the Salt River Valley Water Users' Association,  filed February
9, 1903, as thereafter amended and now in effect.

         2. The words "now" and "present" as herein used shall refer to the date
of this Agreement hereinabove set forth.

         3. The  word  "person"  as  herein  used  shall  mean  any  individual,
corporation,  partnership,  association,  municipality,  governmental agency, or
political subdivision, of any type whatsoever.

         4.  "Customer"  as herein  used shall mean a person who  receives or is
expected to receive electric service from either the Company or the District.

                                   ARTICLE II
                                   ----------
                             TERRITORIAL ALLOCATIONS
                             -----------------------

         By  this  Article,  it is the  intent  of the  parties  to  permanently
establish and agree upon the  territories in which each may serve electric power
and  energy  to the  exclusion  of the  other,  and  furthermore  as to  certain
territory  hereinafter  described to  permanently  establish  and agree upon the
types of customers and load to be served by each to the exclusion of the other.

                  SECTION A - Mutual Agreements with Respect to
                              ---------------------------------
                              Territory, Customers and Load
                              -----------------------------

         1. Of  District.  Inasmuch  as the  statutes  of the  United  States of
America  prohibit any lease or sale of surplus power or power  privileges  which
would or might impair the efficiency of irrigation projects created 
                                       6

                                                          Article II - Section A


under the Reclamation Act of 1902, as amended, and if the Company should sell or
distribute  power  within the  territory  allocated  to District in Paragraph 1,
Section B of this Article II, or to the  particular  type of customer or for the
particular type of load allocated to the District within that certain  territory
described  in  Paragraph  2 (b),  Section  B of this  Article  II,  such sale or
distribution  would or might impair the efficiency of the Salt River Project,  a
Federal Reclamation Project;  therefore,  it is agreed that neither the electric
power and energy  purchased  under the power  contract or contracts  hereinafter
referred to, nor any other electric  power and energy  purchased,  produced,  or
otherwise  acquired by the Company  will be sold,  donated or  delivered  except
through the District for use within any of the  territory  allocated to District
in said Paragraph 1, or to the particular type of customer or for the particular
type of load allocated to the District within that certain  territory  described
in said Paragraph 2 (b), and, therefore,  in the event the Company shall, except
through the District,  so sell, donate or deliver such electric power and energy
to any customer within the territory  allocated to District in said Paragraph 1,
or to such particular  customers or for such particular  types of load allocated
to the District in Paragraph 2, Section B of this Article II, or so sell, donate
or deliver such electric  power and energy to others which shall be  distributed
and/or ultimately consumed within such territory,  allocated to District in said
Paragraph l, or to or by such particular  customers or for such particular types
of load  allocated to the District in said  Paragraph 2, such sale,  donation or
delivery shall be in violation of this Agreement.

         2. Of Company.  Inasmuch as the minimum  payments to be provided for in
the power contract or contracts  hereinafter  referred to and the commitments of
the Company to take and/or pay for the electric power and energy to be furnished
to the Company by the District are  predicated on the Company's  expectation  of
selling or distributing  the full electric power and energy  requirements of its
customers  within the  territory  allocated  to Company in  Paragraphs  1 and 2,
Section C of this  Article II, and within that  certain  territory  described in
Paragraph 2 (b),  Section B of this Article II, of selling or  distributing  the
full power and energy requirements of the customers or for the types
                                        7

Article II - Section A


of load which are  allocated  to the Company in Paragraph 3 of Section C of this
Article II, and inasmuch as the Company  could not  reasonably  commit itself to
pay such  minimum  payments nor to take and/or pay for such  electric  power and
energy from the District in the event the District should directly or indirectly
supply such electric power and energy, except through the Company; therefore, it
is agreed that except through the Company the District will not sell,  donate or
deliver any power and energy, purchased,  produced, or otherwise acquired by the
District, for use within the territory allocated to Company in said Paragraphs I
and 2,  Section C of this  Article II, nor will it sell,  donate or deliver such
power  and  energy  for  sale or use to or by  customers  or for  types  of load
allocated  to the  Company  in said  Paragraph  3;  therefore,  in the event the
District  shall,  except  through  the  Company,  sell,  donate or deliver  such
electric  power and energy to any  customer  within the  territory  allocated to
Company in  Paragraphs  1 and 2 of Section C of this  Article II, or within that
certain territory described in Paragraph 2 (b), Section B of this Article II, to
any customer or for any type of load  allocated to the Company in said Paragraph
3, or sell,  donate or deliver  such  electric  power and energy to others which
shall be distributed  and/or ultimately  consumed within such territory or to or
by such customers or types of load,  then such sale,  donation or delivery shall
be in violation of this Agreement.

         3. Liability for Liquidated Damages. In the event either the Company or
the District shall  inadvertently,  wilfully,  or from any cause,  including any
order of the Arizona Corporation Commission,  or other regulating body, or court
of competent jurisdiction,  sell, donate or deliver electric power and energy in
violation of the provisions of this  Agreement,  then such party,  so long as it
continues  so to do,  shall pay to the other party  liquidated  damages for such
sale, donation or delivery determined in the manner hereinafter provided.

         4. Amount of Liquidated  Damages.  In the event any such sale, donation
or delivery is made by either the Company or District to a customer in violation
of this  Agreement,  then,  for each such sale,  donation  or  delivery  made or
continued  after the tenth day after written notice has been given to cease such
sale, donation or delivery, the
                                        8

                                                          Article II - Section A


party making such sale, donation or delivery shall pay to the other party hereto
as  liquidated  damages for all  electric  power and energy so sold,  donated or
delivered,  35% of the charges  applicable to such  delivery or like  deliveries
under the rate schedule or contract of the party making such delivery, or 35% of
the revenues  which would have resulted from like delivery  under the applicable
rate for like delivery by the party whose rights  hereunder  have been infringed
upon, if an applicable rate for like delivery has been established by such party
prior to the  initiation of such sale,  donation or delivery by the other party,
whichever  is the  greater;  provided,  however,  that in the  event  that  such
infringement  is  involuntary  (due to a final and  binding  order of a court or
commission  or  governmental  officer  or  agency  having  jurisdiction  in  the
premises)  either party, or if such  infringement  is voluntary,  then the party
whose rights hereunder have been infringed upon, may, upon written  notification
to the other party, require that the amount of the payment to be made hereunder,
in lieu of the amount of payment above provided,  shall be a different amount to
be agreed  upon by the  parties  as being  equal to the  revenue  derived by the
infringing  party from such  delivery,  minus the operating  revenue  deductions
attributable to such delivery.  The items to be considered as operating  revenue
deductions for the purposes hereof shall be those included as operating  revenue
deductions  in  the  Federal  Power  Commission's  Uniform  System  of  Accounts
applicable to electric utilities, or such other system of accounts applicable to
electric  utilities as may then be in effect pursuant to regulations or order of
the Federal Power  Commission or such other federal  commission or agency as may
then have jurisdiction to adopt or approve  accounting systems or procedures for
electric utilities.  Should the parties,  within ninety (90) days after delivery
of the  notification  above  provided  for,  fail to agree  upon the  "different
amount"  above  provided,   such  "different  amount"  shall  be  determined  by
arbitration,  to be  conducted in the manner  provided in the power  contract or
contracts hereinafter referred to.

         Payment in the amount  determined,  as hereinabove  provided,  shall be
made promptly  after its  determination  and if additional  amounts shall accrue
thereafter  from  continuance of such  violation,  such amounts shall be paid at
monthly intervals.
                                        9

Article II - Section A


         5. Other  Remedies.  In the event of any sale,  donation or delivery of
power  and  energy in  violation  of this  Agreement,  the  party  whose  rights
hereunder  have  thereby  been  infringed  upon shall be entitled to the damages
provided in Paragraph 4, Section A of this Article II and to injunctive  relief,
and shall not be  entitled  to any other  remedies or relief at law or in equity
unless  such party has been  unable to obtain  either  injunctive  relief or the
damages  provided  in  the  said  Paragraph  4  after  full  utilization  of the
procedures  set out in the said  paragraph.  In no event may this  Agreement  be
terminated by one party hereto because of a voluntary sale, donation or delivery
in violation of this agreement by the other party, unless

         (a)      the existence of the violation has been established by a final
                  decision,  order or opinion of a court having  jurisdiction in
                  the premises, and

         (b)      after the existence of the violation has been so  established,
                  notice  has been  given by the party  whose  rights  have been
                  infringed upon of intent to terminate unless within 90 days;

                  (i)  the damages  provided in said  paragraph 4 have been paid
                       or a proffer of payment has been made, if the  infringing
                       party is lawfully able so to do, and

                  (ii) the violation has ceased,  if such cessation is requested
                       by the party whose rights have been infringed upon, and

         (c)      the infringing  party has failed to comply with the provisions
                  of items (i) and (ii) of subparagraph (b) above within such 90
                  day period, and

within 30 days  from the  expiration  of said 90 day  period  written  notice of
termination  has been given by the party whose rights have been infringed  upon.
In no event may this  Agreement be terminated by one party hereto  because of an
involuntary  sale,  donation or delivery in violation  of this  Agreement by the
other party.
                                       10

                                                          Article II - Section B


         Section B - District's Territory, Customers and Load
                     ----------------------------------------

         1. Western Area. The District shall have the exclusive  right,  insofar
as the Company is  concerned,  to provide  electric  service for all purposes in
that territory within the following  described  boundaries,  ave and except such
territory  lying within said  boundaries  as to which such right is allocated to
the Company by Section C of this Article II:

                  Beginning  at the  Southeast  corner of Section  36,
         Township 3 South, Range 10 East, Gila and Salt River Base and
         Meridian, at the intersection of the South line of Township 3
         South with the East line of Range 10 East,  said point  being
         designated  as "A" on Exhibit 1; thence  Northerly  along the    "A"
         said East line of Range 10 East to its intersection  with the
         Maricopa-Pinal  County line,  said point being  designated as
         "B"  on   Exhibit   1;   thence   Easterly   along  the  said    "B"
         Maricopa-Pinal  County line to its intersection with the Gila
         County line, said point being designated as "C" on Exhibit 1;    "C"
         thence  Northwesterly along the Gila-Maricopa  County line to
         its  intersection  with the North  line of  Township 2 north;
         thence Easterly along the said North line of Township 2 North
         to a point,  designated as "D" on Exhibit 1, due South of the    "D"
         Southeast  corner of  Section 4,  Township 3 North,  Range 14
         East;  thence North on a straight line to the said  Southeast
         corner of Section 4; thence  Northerly along the Eastline  of
         said  Section 4 and along the East lines of  Sections  33 and
         28, Township 4 North,  Range 14 East;  thence  continuing due
         North on a  straight  line to the North  line of  Township  4
         North;  thence Easterly along the said North line of Township
         4 North to the  Southeast  corner of Section  33,  Township 5
         North, Range 14 East; thence Northerly along the East line of
         said  Section 33 and the East lines of Sections 28, 21, 16, 9
         and 4, Township 5 North,  Range 14 East, to the North line of
         Township  5 North,  said  point  being  designated  as "E" on    "E"
         Exhibit  1;  thence  Westerly  along the said  North  line of
         Township 5 North to its intersection with the Maricopa County
         line, said point being designated as "F" on Exhibit 1; thence    "F"
         in a  general  Northerly  and  Westerly  direction  along the
         Maricopa County line to its  intersection  with the East line
         of Range 5 East, said point
                                       11

Article II - Section B


         being  designated as "G" on Exhibit 1; thence Southerly along    "G"
         the said East line of Range 5 East to the Southeast corner of
         Section 25, Township 3 North,  Range 5 East,  thence Westerly
         along the South line of said  Section 25 and the South  lines
         of Sections 26, 27, 28, 29 and 30, Township 3 North,  Range 5
         East, to the Southwest  corner of said Section 30, said point
         being  designated as "H" on Exhibit 1; thence Southerly along    "H"
         the West line of Section 31, Township 3 North,  Range 5 East,
         and along the West  lines of  Sections  6 and 7,  Township  2
         North,  Range 5 East,  to the  intersection  of the said West
         line of  Section  7 with the North  right-of-way  line of the
         Arizona  Canal as now located (see Note 1);  thence  Westerly
         along the said North  right-of-way  line of the Arizona canal
         to its  intersection  with  the  South  line of  Section  14,
         Township 2 North,  Range 4 East, said point being  designated
         as "J" on Exhibit 1; thence  Westerly along the South line of    "J"
         said Section 14 and the South line of Section 15,  Township 2
         North,  Range 4 East, to the Southwest corner of said Section
         15;  thence  Westerly  along the South  line of  Section  16,
         Township 2 North,  Range 4 East, to the  Southwest  corner of
         the  Southeast  quarter  of the  Southeast  quarter  of  said
         Section 16; thence Northerly and parallel to the East line of
         said Section 16 for a distance of 660 feet;  thence  Westerly
         and  parallel  to the South line of said  Section 16, more or
         less along the ridge of Camelback Mountain, for a distance of
         1,980  feet;  thence  Northwesterly,  more or less along said
         ridge,  on a  straight  line  to a  point  on  the  East-West
         mid-section  line of Section  17,  Township 2 North,  Range 4
         East,  said  point  being 660 feet East of the center of said
         Section 17; thence  Westerly along the East-West  mid-section
         line of said Section 17 and along the  East-West  mid-section
         line of Section 18,  Township 2 North,  Range 4 East,  to the
         center  of  said  Section  18;  thence  Northerly  along  the
         North-South  mid-section  line  of  said  Section  18 and the
         North-South  mid-section line of Section 7, Township 2 North,
         Range 4 East,  to the  North line of said  Section 7;  thence
         Westerly along the North line of said Section 7 and along the
         North  lines of  Sections  12, 11 and 10,  Township  2 North,
         Range 3 East, to the  intersection  of the North line of said
         Section 10 with the North  right-of-way  line of the  Arizona
         Canal as now located (see Note 1);
                                       12

                                                Article II - Section B


         thence  Northwesterly  along the said North right-of-way line
         of the  Arizona  Canal to a point  660 feet  East of the West
         line of Section 1,  Township  3 North,  Range 1 East;  thence
         Northerly  and parallel to the West line of said Section 1 to
         a point more or less in the center of Skunk Creek, said point
         being 800 feet South of the North line of said Section 1, and
         designated  as "K" on  Exhibit 1;  thence in a  Southwesterly    "K"
         direction along the  approximate  center line of Skunk Creek,
         New River and the Agua Fria River to the  approximate  center
         of the Gila River,  said line being more fully  described  as
         follows:

                  Beginning at same said point "K" in the  approximate    "K"
         center  of Skunk  Creek 800 feet  South of the North  line of
         Section   1,   Township  3  North,   Range  1  East;   thence
         Southwesterly  on a straight line to a point on the West line
         of said  Section  1, said  point  being 900 feet South of the
         Northwest corner of said Section 1; thence Southwesterly on a
         straight  line to a point 660 feet West and 600 feet North of
         the East quarter corner of Section 2, Township 3 North, Range
         1 East;  thence  Southwesterly  on a straight line to a point
         660  feet  East  and 200 feet  South  of the  center  of said
         Section 2; thence Southwesterly on a straight line to a point
         800 feet West and 850 feet North of the South quarter  corner
         of said Section 2; thence  Westerly and parallel to the South
         line of said Section 2 to a point 1,000 feet East of the West
         line of said  Section 2; thence  Southwesterly  on a straight
         line to a point on the  South  line of said  Section  2, said
         point  being  800 feet East of the  Southwest  corner of said
         Section 2; thence Southwesterly on a straight line to a point
         on the West line of Section  11,  Township  3 North,  Range 1
         East, 660 feet South of the Northwest  corner of said Section
         11;  thence  Southwesterly  on a straight line to a point 660
         feet  East and 350  feet  North of the  Southwest  corner  of
         Section  10,   Township  3  North,   Range  1  East;   thence
         Southwesterly on a straight fine to a point 660 feet East and
         660 feet North of the South  quarter  corner of  Section  16,
         Township 3 North,  Range 1 East;  thence  Southwesterly  on a
         straight line to the center of Section 21,  Township 3 North,
         Range 1 East;  thence  Southwesterly  on a straight line to a
         point 660 feet East and 1,320 feet South of the Northwest
                                       13

Article II - Section B


         corner of Section 28, Township 3 North,  Range 1 East; thence
         Southwesterly  on a straight line to the Southwest  corner of
         said Section 28; thence Southwesterly on a straight line to a
         point  on the  East-West  mid-section  line  of  Section  32,
         Township 3 North,  Range 1 East,  1,320 feet West of the East
         quarter  corner of said  Section 32;  thence  Southerly  on a
         straight line to a point 1,320 feet West and 1,320 feet South
         of the Northeast corner of Section 5, Township 2 North, Range
         1 East; thence Southwesterly on a straight line to the center
         of said  Section 5; thence  Southerly  along the  North-South
         mid-section  line to the South quarter corner of said Section
         5; thence  Southwesterly on a straight line to a point on the
         North line of  Section  18,  Township 2 North,  Range 1 East,
         1,320 feet West of the  Northeast  corner of said Section 18;
         thence  Southwesterly  on a  straight  line to a point on the
         East-West  mid-section  line of said  Section  18, said point
         being  1,320  feet  East of the West  quarter  corner of said
         Section 18;  thence  Southwesterly  on a straight line to the
         Southwest corner of said Section 18; thence  Southwesterly on
         a  straight  line to the  center of  Section  24,  Township 2
         North,  Range 1 West;  thence Southerly along the North-South
         mid-section  line of  said  Section  24 and  the  North-South
         mid-section  line of Section  25,  Township 2 North,  Range 1
         West, to the South quarter  corner of said Section 25; thence
         Southwesterly  on a straight  line to a point 1,320 feet East
         and 1,320 feet North of the  Southwest  corner of Section 36,
         Township 2 North,  Range 1 West;  thence  Southwesterly  on a
         straight  line to the  Southwest  corner of said  Section 36;
         thence Westerly along the North line of Section 2, Township 1
         North,  Range 1 West,  to the  North  quarter  corner of said
         Section 2; thence Southwesterly on a straight line to a point
         on the  East-West  mid-section  line of said  Section 2, said
         point  being 660 feet West of the  center of said  Section 2;
         thence  Southeasterly  on a  straight  line to the  center of
         Section 11, Township 1 North,  Range 1 West; thence Southerly
         along the North-South  mid-section line of said Section 11 to
         the to the South  quarter  corner of said Section 11;  thence
         Southwesterly  on a straight line to the Southwest  corner of
         Section 14, Township 1 North,
                                       14

                                                Article II - Section B


         Range 1 West;  thence  Southwesterly  on a straight line to a
         point on the South  line of  Section  22,  Township  1 North,
         Range 1 West,  660 feet West of the South  quarter  corner of
         said Section 22; thence  Southwesterly  on a straight line to
         the West  quarter  corner of  Section  27,  Township 1 North,
         Range 1 West;  thence  Southwesterly  on a straight line to a
         point,  designated  as "L" on Exhibit  1, in the  approximate    "L"
         center of the Gila River; said point being on the North-South
         mid-section  line of Section  33,  Township 1 North,  Range 1
         West, 660 feet North of the center of said Section 33; thence
         in a general  Southeasterly  direction  along the approximate
         center of the Gila  River to the  South  line of  Township  3
         South; said line being more fully described as follows:

                  Beginning   at  the  same  said  point  "L"  on  the    "L"
         North-South mid-section line of Section 33, Township 1 North,
         Range 1 West,  660 feet North of the  center of said  Section
         33;  thence  Southeastly  on a straight line to the center of
         Section 34, Township 1 North,  Range 1 West;  thence Easterly
         along the East-West  mid-section  line of said Section 34 and
         the  East-West  mid-section  line of Section  35,  Township 1
         North, Range 1 West, to the center of said Section 35; thence
         Southeasterly  on a straight line to a point on the East line
         of said  Section 35, said point being 1,320 feet North of the
         Southeast  corner of said  Section 35;  thence  Easterly on a
         straight  line to a point on the  East  line of  Section  36,
         Township  1  North,  Range 1 West,  1,320  feet  North of the
         Southeast corner of said Section 36; thence  Southeasterly on
         a  straight  line to the East  quarter  corner of  Section 6,
         Township 1 South,  Range 1 East;  thence  Southerly along the
         East line of said  Section 6 and the West line of  Section 8,
         Township 1 South, Range 1 East, to the West quarter cornet of
         said Section 8; thence  Southeasterly  on a straight  line to
         the center of  Section  17,  Township 1 South,  Range 1 East;
         thence  Southeasterly  on a  straight  line to the  center of
         Section 21, Township 1 South,  Range 1 East;  thence Easterly
         along the East-West  mid-section  line of said Section 21 and
         the  East-West  mid-section  line of Section  22,  Township 1
         South, Range 1 East, to the center of said Section 22; thence
         Southeasterly  on a straight line to the Northwest  corner of
         Section 26, Township 1 South, Range 1 East;
                                       15

Article II - Section B


         thence  Easterly  along the North line of said  Section 26 to
         the Northeast corner of said Section 26; thence Southeasterly
         on a straight  line to the  Southeast  corner of Section  25,
         Township 1 South,  Range 1 East;  thence  Southeasterly  on a
         straight line to the center of Section 31,  Township 1 South,
         Range  2  East;   thence   Southerly  along  the  North-South
         midsection  line  of said  Section  31 to the  South  quarter
         corner of said Section 31; thence Southeasterly on a straight
         line to the center of Section  6,  Township 2 South,  Range 2
         East; thence Southerly along the North-South mid-section line
         of said Section 6 and along the North-South  mid-section line
         of Section 7,  Township 2 South,  Range 2 East,  to the South
         quarter  corner of said Section 7; thence  Easterly along the
         South  line of said  Section 7 and  along  the North  line of
         Section  17,  Township  2 South,  Range 2 East,  to the North
         quarter corner of said Section 17; thence  Southeasterly on a
         straight line to the center of Section 16,  Township 2 South,
         Range 2 East; thence  Southeasterly on a straight line to the
         North quarter corner of Section 22, Township 2 South, Range 2
         East;  thence  Southeasterly  on a straight  line to the West
         quarter corner of Section 23, Township 2 South, Range 2 East;
         thence  Southeasterly on a straight line to the North quarter
         corner of Section 26, Township 2 South,  Range 2 East; thence
         Southeasterly  on a straight line to the East quarter  corner
         of  Section  25,  Township  2  South,  Range 2  East;  thence
         Southeasterly  on a straight line to the South quarter corner
         of  Section  30,  Township  2  South,  Range  3  East  thence
         Southerly along the North-South  mid-section  line of Section
         31,  Township  2 South,  Range 3 East,  to the South  quarter
         corner of said Section 31, said point being designated as "M"    "M"
         on Exhibit 1; thence  Southeasterly on a straight line to the
         center of Section 5, Township 3 South,  Range 3 East;  thence
         Southeasterly  on a straight line to the North quarter corner
         of  Section  9,  Township  3  South,  Range  3  East;  thence
         Southeasterly on a straight line to the center of Section 10,
         Township 3 South,  Range 3 East;  thence  Southeasterly  on a
         straight  line to the North  quarter  corner of  Section  14,
         Township 3 South,  Range 3 East;  thence  Southeasterly  on a
         straight line to the center of Section 13,  Township 3 South,
         Range 3 East; thence  Southeasterly on a straight line to the
         Southeast corner of said Section 13; thence
                                       16

                                                Article II - Section B


         Southeasterly  on a straight line to the East quarter  corner
         of  Section  19,  Township  3  South,  Range 4  East;  thence
         Northeasterly  on a straight line to the Northeast  corner of
         Section  20,   Township  3  South,   Range  4  East;   thence
         Northeasterly  on a straight line to the East quarter  corner
         of  Section  16,  Township  3  South,  Range 4  East;  thence
         Easterly along the East-West  mid-section line of Section 15,
         Township 3 South, Range 4 East, to the East quarter corner of
         said  Section  15;  thence   Easterly   along  the  East-West
         mid-section  line of Section  14,  Township 3 South,  Range 4
         East,  to the East quarter  corner of said Section 14; thence
         Southeasterly  on a straight line to the Southeast  corner of
         Section  13,   Township  3  South,   Range  4  East;   thence
         Southeasterly  on a straight line to the East quarter  corner
         of  Section  19,  Township  3  South,  Range 5  East;  thence
         Easterly along the East-West  mid-section line of Section 20,
         Township 3 South, Range 5 East, to the East quarter corner of
         said  Section  20;  thence   Easterly   along  the  East-West
         mid-section  line of Section  21,  Township 3 South,  Range 5
         East, to the center of said Section 21; thence  Southeasterly
         on a straight line to the East quarter  corner of Section 28,
         Township 3 South,  Range 5 East;  thence  Southeasterly  on a
         straight  line to the East  quarter  corner  of  Section  34,
         Township 3 South,  Range 5 East;  thence  Southeasterly  on a
         straight line to the Southeast corner of Section 35, Township
         3 South,  Range 5 East, said point being designated as "N" on    "N"
         Exhibit 1; thence Easterly along the South line of Township 3
         South to its  intersection  with  the  East  line of Range 10
         East,   the  point  of  beginning,   same  said  point  being
         designated  as "A" on  Exhibit  1; a map or plat of  which is    "A"
         attached  hereto as Exhibit 1 and by reference made a part of
         this Agreement.

                  (Note 1. Arizona  Canal  as  now  located  is  being
                           surveyed  and  monumented,   and  upon  the
                           completion   of   such   survey   and   its
                           acceptance  by  the  parties   hereto  such
                           survey   shall  become  a  part  hereof  by
                           reference.)
                                       17

Article II - Section B


         2. Eastern Area.

         (a) The District shall have the exclusive right, insofar as the Company
is concerned,  to provide the full electric power and energy requirements within
the  "Eastern  Area",  described  in  subparagraph  (b) of this  Paragraph 2, as
follows:

                  (1)     District  shall have the right to make direct sales to
                      the  customer   for  all  mining,   milling  and  smelting
                      operations and related exploring operations not now served
                      by  the  Company,  it  being  understood  that  oil or gas
                      drilling, pumping and production do not constitute mining,
                      milling and  smelting  operations  and  related  exploring
                      operations. The electric power and energy furnished by the
                      District to the customer under this subparagraph (1) shall
                      be sold for use by the  customer for such  operations  and
                      auxiliary loads pertinent to these  operations,  including
                      domestic and commercial uses by the employees,  officials,
                      tenants,  licensees  and agents of the customer and of any
                      company and/or corporation controlled by such customer, if
                      such  auxiliary  loads  are  supplied   through  the  same
                      delivery  point or  points  as such  mining,  milling  and
                      smelting operations and related exploring operations.  The
                      District may permit electric power and energy so furnished
                      to be resold by the customer only for such  operations and
                      auxiliary  loads  as  are  allocated  to the  District  by
                      subparagraphs  (1)  and  (2)  of  this  Paragraph  2  (a),
                      provided,  that in future  contracts with customers in the
                      Eastern  area,  exclusive  of  extensions  and renewals of
                      existing  contracts,  the District  will not permit resale
                      for domestic and commercial uses.
                                       18

                                                          Article II - Section B


                  (2)     District  shall have the right to make direct sales to
                      the   customer   for  all  mineral  or  metal   processing
                      operations not now served by the Company, other than those
                      included in subparagraph  (1) of this Paragraph 2 (a). The
                      electric power and energy furnished by the District to the
                      customer under this subparagraph (2) shall be sold for use
                      by the customer for such  operations  and auxiliary  loads
                      pertinent  to these  operations,  including  domestic  and
                      commercial  uses  by the  employees,  officials,  tenants,
                      licensees  and agents of the  customer  and of any company
                      and/or  corporation  controlled by such customer,  if such
                      auxiliary  loads are  supplied  through the same  delivery
                      point  or  points  as such  mineral  or  metal  processing
                      operations.  The  District may permit  electric  power and
                      energy so furnished to be resold by the customer  only for
                      such  operations  and auxiliary  loads as are allocated to
                      the  District  by  subparagraphs   (1)  and  (2)  of  this
                      Paragraph 2 (a),  but will not in any case  permit  resale
                      for domestic or commercial purposes.  The District's right
                      to make the sales  provided for by this  subparagraph  (2)
                      shall be limited to the periods  during which such mineral
                      or metal processing  operations are owned or controlled by
                      the same exploring,  mining,  milling or smelting customer
                      owning or  controlling  operations  served by the District
                      under the provisions of subparagraph (1) of this Paragraph
                      2 (a) and  principally  involve the use or  processing  of
                      minerals  or metals  mined,  milled,  or  smelted  by such
                      customer.

                  (3)     The District shall have the right to make sales to the
                      Company  for  the  Company's  use and  for  resale  by the
                      Company  to all  customers  and for all  types of load not
                      allocated to the District for direct sale in the preceding
                      sub-paragraphs  (1)  and  (2)  of  this  paragraph  2 (a),
                      subject, however, to the following exceptions:
                                       19

Article II - Section B


                  (i)      At Globe and Miami,  Arizona,  Company shall have the
                           right  to use  its  generating  facilities  presently
                           there located;

                  (ii)     If, in  accordance  with  Paragraph  4,  Section A of
                           Article III, the  District  shall not supply  certain
                           power to the Company in the Eastern area, the Company
                           shall  have the right to utilize  electric  power and
                           energy  from  sources  other  than the  District,  as
                           provided for in said Paragraph 4;

                  (iii)    If,  any or all of the power  contracts  agreed to be
                           entered into in Paragraphs 1, 2, 3 and 4 of Section A
                           of Article III are terminated, the Company shall have
                           the right to utilize  electric  power and energy from
                           sources   other  than  the  District  for  the  power
                           requirements   provided   for  in  any  of  the  said
                           contracts so terminated.

                  The  utilization  by the Company of power from  sources  other
                  than the District as provided for in exceptions  (i), (ii) and
                  (iii) of this  subparagraph  (3)  shall  not  alter,  amend or
                  affect the District's  exclusive  right to serve the customers
                  and the load  allocated  to it by this  Paragraph  2 (a) other
                  than as provided for in such exceptions.

         (b) The "Eastern area" as such phrase is herein used shall  include all
that territory within the following described boundaries:

                  Beginning at the  Southeast  corner of Section 36,  Township 3
         South,  Range 10 East,  Gila and Salt River Base and  Meridian,  at the
         intersection of the South line of Township 3 South with the
                                       20

                                                Article II - Section B


         East line of Range 10 East,  said point being  designated  as
         "A" on Exhibit 2; thence  Easterly  along the said South line    "A"
         of Township 3 South to its intersection with the East line of
         Range 12 East,  being  the  Northwest  corner of  Section  6,
         Township 4 South,  Range 13 East;  thence Southerly along the
         West line of said  Section 6 for a  distance  of 1,980  feet;
         thence  following  more or less the course of the Gila River;
         more fully described as follows:

                  Beginning  at same  said  point on the West  line of
         Section 6, Township 4 South,  Range 13 East, 1,980 feet South
         of the  Northwest  corner of said Section 6; thence  Easterly
         and  parallel  to  the  North  line  of  said  Section  6 and
         continuing Easterly and parallel to the North line of Section
         5,  Township  4  South,  Range  13  East,  to a point  on the
         North-South  mid-section  line  of  said  Section  5;  thence
         Southeasterly  on a straight line to a point on the East line
         of said  Section 5, said point  being 1,320 feet North of the
         Southeast  corner of said  Section  5;  thence  Easterly  and
         parallel  to the South line of  Section 4,  Township 4 South,
         Range  13  East,  for  a  distance  of  1,320  feet;   thence
         Northeasterly  on a  straight  line  to the  center  of  said
         Section 4; thence Southeasterly on a straight line to a point
         on the West line of Section  10,  Township 4 South,  Range 13
         East,  1,320  feet  South  of the  Northwest  corner  of said
         Section  10;  thence  Northeasterly  on a straight  line to a
         point on the North line of said  Section 10, said point being
         1,320 feet West of the  Northeast  corner of said Section 10;
         thence  Southeasterly  on a  straight  line to a point on the
         West line of Section 11, Township 4 South, Range 13 East, 900
         feet South of the Northwest corner of said Section 11; thence
         Easterly and parallel to the North line of said Section 11 to
         the North-South  mid-section  line of said Section 11; thence
         Northeasterly  on a straight line to a point on the West line
         of Section 1, Township 4 South, Range 13 East, 330 feet North
         of  the   Southwest   corner  of  said   Section  1;   thence
         Southeasterly  on a straight  line to a point 1,320 feet West
         and 900 feet South of the  Northeast  corner of  Section  12,
         Township 4 South,  Range 13 East;  thence  Northeasterly on a
         straight  line to the  Northeast  corner of said  Section 12;
         thence Easterly along the South line of Section 6, Township 4
         South, Range 14 East, to the
                                       21

Article II - Section B


         South  quarter  corner of said  Section 6;  thence  Southerly
         along the North-South mid-section line of Section 7, Township
         4 South,  Range 14 East,  to the  center of said  Section  7;
         thence  Southeasterly  on a  straight  line to a point on the
         East line of Section 18, Township 4 South, Range 14 East, 660
         feet South of the Northeast corner of said Section 18; thence
         Southeasterly on a straight line to a point on the South line
         of Section 17,  Township 4 South,  Range 14 East,  1,320 feet
         West of the  Southeast  corner  of said  Section  17;  thence
         Southeasterly  on a straight line to the South quarter corner
         of  Section  21,  Township  4 South,  Range  14 East;  thence
         Southerly along the North-South  mid-section  line of Section
         28,   Township  4  South,   Range  14  East,  and  along  the
         North-South mid-section line of Section 33, Township 4 South,
         Range 14 East, to a point 330 feet South of the North quarter
         corner of said Section 33, said point being designated as "H"    "H"
         on Exhibit 2; thence Easterly on a straight line through said
         Section 33 and Section 34,  Township 4 South,  Range 14 East,
         to a point on the West line of Section 35,  Township 4 South,
         Range 14 East, 330 feet South of the Northwest corner of said
         Section  35;  thence  Southeasterly  on a straight  line to a
         point on the South line of said  Section 35, said point being
         1,320 feet West of the  Southeast  corner of said Section 35;
         thence  Southeasterly  on a  straight  line to a point on the
         South line of Section 1, Township 5 South, Range 14 East, 330
         feet East of the South  quarter  corner  of said  Section  1;
         thence  Southeasterly  on a straight line to the East quarter
         corner of Section 12, Township 5 South, Range 14 East; thence
         Easterly along the East-West  midsection  lines of Sections 7
         and 8, Township 5 South, Range l5 East, to the center of said
         Section 8; thence Southeasterly on a straight line to a point
         on the South line of Section  9,  Township 5 South,  Range 15
         East,  660 feet East of the Southwest  corner of said Section
         9; thence  Southeasterly on a straight line to a point on the
         East line of Section 16, Township 5 South, Range 5 East, said
         point being 990 feet South of the East quarter corner of said
         Section 16; thence  Southeasterly  on a straight line through
         Sections 15 and 22,  Township 5 South,  Range 15 East, to the
         East  quarter  corner of said  Section  22,  said point being
         designated  as "G" on Exhibit 2;  thence  Easterly  along the
         East-West mid-sec                                                "G"
                                       22

                                           Article II - Sections B & C


         tion line of Section 23, Township 5 South,  Range 15 East, to
         the center of said  Section 23;  thence  Northerly  along the
         North-South  mid-section  line of  said  Section  23,  to its
         intersection   with  the  Gila-Pinal   County  line;   thence
         Northeasterly   following   the  Gila   County  line  to  its
         intersection with the center of Black River, said point being
         designated  as "F" on Exhibit 2;  thence  Westerly  along the    "F" 
         center of the Black River to its intersection with the center       
         of the Salt  River,  said point being the  confluence  of the       
         Black and White Rivers; thence Westerly along the said center       
         of the Salt River to its intersection  with a point due South       
         of the Southeast corner of Section 4, Township 3 North, Range       
         14 East,  said point  being  designated  as "E" on Exhibit 2;       
         thence  due South on a  straight  line to the  North  line of    "E"
         Township  2 North,  said  point  being  designated  as "D" on       
         Exhibit 2; thence  Westerly along said North line of Township    "D"
         2 North to its  intersection  with the  Gila-Maricopa  County       
         line; thence  Southeasterly  along the  Gila-Maricopa  County       
         line to its intersection with the Maricopa-Pinal County line,       
         said point  being  designated  as "C" on  Exhibit  2;  thence       
         Westerly  along  the   Maricopa-Pinal   County  line  to  its    "C"
         intersection  with the East line of Range 10 East, said point       
         being  designated as "B" on Exhibit 2; thence Southerly along    "B"
         the said East line of Range 10 East to its intersection  with       
         the South line of Township 3 South,  the point of  beginning,       
         same said point being  designated  as "A" on Exhibit 2; a map    "A"
         or plat of which  is  attached  hereto  as  Exhibit  2 and by    
         reference made a part of this Agreement.

         SECTION C - Company's Territory, Customers and Load
                     ---------------------------------------

         1. Cities, Towns and Miscellaneous Areas Within Salt River Project. The
Company shall have the exclusive right, insofar as the District is concerned, to
provide electric service for all purposes in the following described territory:

         (a) Phoenix.  All that territory  lying within the following  described
         boundaries:
                                       23

Article II - Section C


                  Beginning  at the  Northwest  corner of Section  26,
         Township 2 North,  Range 2 East, Gila and Salt River Base and
         Meridian,  said point being  designated  as "A" on Exhibit 3;    "A"
         thence  Southerly along the West lines of said Section 26 and
         Section 35, Township 2 North,  Range 2 East, to the Southwest
         corner of said Section 35;  thence  Westerly  along the North
         line of Section 3,  Township  1 North,  Range 2 East,  to the
         North  quarter  corner of said  Section 3;  thence  Southerly
         along the North-South  mid-section  line of said Section 3 to
         the North  quarter  corner of Section  10,  Township 1 North,
         Range 2 East;  thence  Westerly along the North lines of said
         Section 10 and Section 9, Township 1 North,  Range 2 East, to
         the  Northwest  corner of said  Section 9, said  point  being
         designated  as "B" on Exhibit 3; thence  Southerly  along the    "B"
         West line of said Section 9 to the  Southwest  corner of said
         Section  9;  thence  Easterly  along the South  lines of said
         Sections 9 and 10 to the North quarter  corner of Section 15,
         Township 1 North,  Range 2 East;  thence  Southerly along the
         North-South  mid-section lines of said Section 15 and Section
         22,  Township 1 North,  Range 2 East,  to a point  1,650 feet
         North of the South  quarter corner of Said  Section  22, said
         point being  designated as "C" on Exhibit 3; thence  Easterly    "C"
         and  parallel  to the  South  line of said  Section  22 for a
         distance of 1,980 feet;  thence Northerly and parallel to the
         East  line of said  Section  22 for a  distance  of 660 feet;
         thence  Easterly  on a  straight  line to a point on the East
         line of said Section 22, said point being 2,310 feet North of
         the Southeast corner of said Section 22; thence Easterly on a
         straight line to a point on the North-South  mid-section line
         of Section  23,  Township 1 North,  Range 2 East,  2,310 feet
         North of the South quarter  corner of said Section 23; thence
         Northeasterly  on a straight line to a point on the East line
         of said  Section  23,  said point being 330 feet North of the
         East quarter  corner of said Section 23; thence  Easterly and
         parallel  to the  East-West  mid-section  line of Section 24,
         Township 1 North,  Range 2 East,  for a distance of 660 feet;
         thence  Northerly  and  parallel  to the  West  line  of said
         Section  24 a  distance  of 330  feet;  thence  Easterly  and
         parallel to the East-
                                       24

                                                Article II - Section C


         West mid-section line of said Section 24, a distance of 3,300
         feet;  thence Southerly and parallel to the East line of said
         Section  24, a distance  of 330 feet;  thence  Easterly  on a
         straight line to a point on the East line of said Section 24,
         330 feet North of the east quarter corner of said Section 24;
         thence  Northeasterly  on a  straight  line to a point on the
         North-South mid-section line of Section 19, Township I North,
         Range 3 East, 1,980 feet South of the North quarter corner of
         said  Section 19;  thence  Easterly and parallel to the North
         line of said  Section 19, a distance  of 1,980  feet;  thence
         Northerly  and parallel to the East line of said Section 19 a
         distance of 330 feet; thence Easterly on a straight line to a
         point on the East line of Section  19, said point being 1,650
         feet South of the  Northeast  corner of said Section 19, said
         point being  designated as "D" on Exhibit 3; thence Northerly    "D"
         along  the East line of said  Section  19 to a point 990 feet
         South of the  Northeast  corner of said  Section  19;  thence
         Northeasterly   on  a  straight   line  to  a  point  on  the
         North-South mid-section line of Section 20, Township 1 North,
         Range 3 East,  660 feet South of the North quarter  corner of
         said Section 20; thence  Northeasterly  to a straight line to
         the Northeast corner of said Section 20; thence Southeasterly
         on a straight line to a point on the East line of Section 21,
         Township  1  North,  Range  3 East,  330  feet  South  of the
         Northeast corner of said Section 21; thence Southeasterly  on
         a straight  line to a point on the East line of  Section  22,
         Township  1  North,  Range  3 East,  990  feet  South  of the
         Northeast  corner of said  Section 22;  thence  Easterly on a
         straight  line to a point on the  East  line of  Section  23,
         Township  1  North,  Range  3 East,  990  feet  South  of the
         Northeast  corner  of  said  Section  23,  said  point  being
         designated  as "E" on Exhibit 3;  thence  Northeasterly  on a    "E"
         straight  line through  Sections 24 and 13, Township 1 North,
         Range 3 East, to a point on the East line of said Section 13,
         said point being 330 feet South of the East quarter corner of
         said Section 13; thence Northeasterly on a straight line to a
         point on the  North-South  mid-section  line of  Section  18,
         Township 1 North, Range 4 East, 1,320 feet South of the North
         quarter corner of said
                                       25

Article II - Section C


         Section 18; thence  Easterly on a straight line to a point on
         the East line of said Section 18, said point being 1,320 feet
         South of the  Northeast  corner of said  Section  18;  thence
         Northeasterly   on  a  straight   line  to  a  point  on  the
         North-South mid-section line of Section 17, Township 1 North,
         Range 4 East,  990 feet South of the North quarter  corner of
         said  Section  17;   thence   Northerly   along   North-South
         mid-section  lines of said  Section 17 and  Sections 8 and 5,
         Township 1 North,  Range 4 East, to center of said Section 5,
         said point  being  designated  as "F" on  Exhibit  3;  thence    "F"
         westerly  along  the  East-West  mid-section  lines  of  said
         Section 5 and Section 6, Township  North,  Range 4 East,  and
         Section  1,   Township  1  North,   Range  3  East,   to  the
         intersection  of  the  said  East-West  mid-section  line  of
         Section 1 with the South right-of-way line of the Grand Canal
         as now located (see Note 2); thence  Northwesterly  along the
         said South  right-of-way line of the Grand Canal through said
         Section 1 and Section 2, Township 1 North,  Range 3 East, and
         Sections  35 and 34,  Township  2 North,  Range 3 East,  to a
         point 660 feet West of the East line of said Section 34, said
         point being  designated as "G" on Exhibit 3; thence Northerly    "G"
         and  parallel  to  the  East  line  of  said  Section  34 and
         continuing  Northerly  and  parallel  to the  East  lines  of
         Sections  27 and 22,  Township  2 North,  Range 3 East,  to a
         point in said  Section  22 which is 660 feet West of the East
         line of said  Section  22 and 1,320  feet  North of the South
         line  of  said  Section  22;  thence  Westerly  along  a line
         parallel  to and 1,320  feet  North of the South line of said
         Section 22 to a point which is 660 feet East of the West line
         of said Section 22; thence Northerly and parallel to the West
         line of said Section 22 and continuing Northerly and parallel
         to the West lines of  Sections  15 and 10,  Township 2 North,
         Range 3 East, to a point where said line intersects the South
         right-of-way  line of the Arizona  Canal as now located  (see
         Note 1),  said point  being  designated  as "H" on Exhibit 3;    "H"
         thence  Northwesterly  along the said South right-of-way line
         of the Arizona  Canal through said Section 10, and Sections 3
         and 4, Township 2 North,  Range 3 East,  and Sections 33, 32,
         29 and 30, Town-
                                       26

                                                Article II - Section C


         ship 3  North,  Range  3  East,  to a  point  on  said  South
         right-of-way line of the Arizona Canal which is 660 feet West
         of the East line of said Section 30, Township 3 North,  Range
         3 East,  said  point  being  designated  as "J" on Exhibit 3;    "J"
         thence Southerly on a line parallel to the East lines of said
         Section 30 and Section 31,  Township 3  North,  Range 3 East,
         and continuing Southerly on a line parallel to the East lines
         of Sections 6, 7, 18 and 19, Township 2 North,  Range 3 East,
         to a point on the South  right-of-way line of the Grand Canal
         as now located (see Note 2); thence  Southwesterly  along the
         said South  right-of-way line of the Grand Canal through said
         Section 19,  Township 2 North,  Range 3 East, and Sections 24
         and 25, Township 2 North,  Range 2 East, to its  intersection
         with the East line of Section 26,  Township 2 North,  Range 2
         East; thence Northerly along the East line of said Section 26
         to the Northeast  corner of said Section 26; thence  Westerly
         along  the North  line of said  Section  26 to the  Northwest
         corner of said Section 26, the point of beginning,  same said
         point being  designated as "A" on Exhibit 3; a map or plat of    "A"
         which is attached hereto as Exhibit 3 and by reference made a
         part of this Agreement.

                  (Note 1. Arizona  Canal  as  now  located  is  being
                           surveyed  and  monumented,   and  upon  the
                           completion   of   such   survey   and   its
                           acceptance  by  the  parties   hereto  such
                           survey   shall  become  a  part  hereof  by
                           reference.)

                  (Note 2. Grand   Canal  as  now   located  is  being
                           surveyed  and  monumented,   and  upon  the
                           completion   of   such   survey   and   its
                           acceptance  by  the  parties   hereto  such
                           survey   shall  become  a  part  hereof  by
                           reference.)

                  (b) Towns. Areas generally surrounding and including
         certain of the towns within the  boundaries of the Salt River
         Project, as follows:
                                       27

Article II - Section C


         (1)      Chandler.  All that  territory  lying within the the following
                  described boundaries:

                           Beginning  at the  Northwest  corner of  Section  28,
                  Township 1 South,  Range 5 East,  Gila and Salt River Base and
                  Meridian;  thence  Easterly  along  the  North  lines  of said
                  Section 28 and Section 27, Township 1 South,  Range 5 East, to
                  the  Northeast  corner of said  Section 27;  thence  Southerly
                  along  the  East  lines of said  Section  27 and  Section  34,
                  Township 1 South,  Range 5 East,  to the  Southeast  corner of
                  said Section 34; thence Westerly along the South lines of said
                  Section 34 and Section 33, Township 1 South,  Range 5 East, to
                  the  Southwest  corner of said  Section 33;  thence  Northerly
                  along the West lines of said Section 33 and said Section 28 to
                  the  Northwest  corner  of  said  Section  28,  the  point  of
                  beginning;  a map or plat  of  which  is  attached  hereto  as
                  Exhibit 4 and by reference made a part of this Agreement.

         (2)      Gilbert.   All  that  territory  lying  within  the  following
                  described boundaries:

                           Beginning  at a point on the West line of  Section 1,
                  Township 1 South,  Range 5 East,  Gila and Salt River Base and
                  Meridian,  1,320  feet North of the  Southwest  corner of said
                  Section 1; thence  Easterly and parallel to the South lines of
                  said Section 1, and Section 6, Township 1 South, Range 6 East,
                  to a point on the East  line of said  Section  6,  said  point
                  being 1,320 feet North of the Southeast corner of said Section
                  6; thence  Southerly  along the East lines of said  Section 6,
                  Sections 7 and 18, Township 1 South,  Range 6 East, to a point
                  1,320 feet North of the  Southeast  corner of said Section 18;
                  thence  Westerly  and  parallel  to the  South  lines  of said
                  Section 18 and Section 13, Township 1 South,  Range 5 East, to
                  a point on the West line of
                                       28

                                                          Article II - Section C


                  Section  13,  said  point   being  1,320  feet  North  of  the
                  Southwest  corner of said Section 13; thence  Northerly  along
                  the West  lines  of said  Section  13,  Section  12,  and said
                  Section 1,  Township 1 South,  Range 5 East,  to a point 1,320
                  feet  North of the  Southwest  corner of said  Section  1, the
                  point of beginning;  a map or plat of which is attached hereto
                  as Exhibit 5 and by reference made a part of this Agreement.

         (3)      Glendale.  All  that  territory  lying  within  the  following
                  described boundaries:

                      Beginning  at a point  on the  North  line of  Section  6,
                  Township 2 North,  Range 2 East,  Gila and Salt River Base and
                  Meridian,  660  feet  East  of the  Northwest  corner  of said
                  Section  6;  thence  Easterly  along the  North  lines of said
                  Section 6 and Section 5,  Township 2 North,  Range 2 East,  to
                  the Northeast corner of said Section 5; thence Southerly along
                  the East line of said Section 5 to a point 1,320 feet North of
                  the  Southeast  corner of said Section 5; thence  Easterly and
                  parallel  to the South line of  Section  4,  Township 2 North,
                  Range 2 East, for a distance of 1,320 feet;  thence  Southerly
                  and  parallel to the West lines of said  Section 4 and Section
                  9,  Township  2 North,  Range 2 East,  to a point in the South
                  line of Section 9, Township 2 North,  Range 2 East, 1,320 feet
                  East  of the  Southwest  corner  of  said  Section  9;  thence
                  Westerly along the South lines of said Section 9, and Sections
                  8 and 7,  Township 2 North,  Range 2 East, to a point 660 feet
                  East  of the  Southwest  corner  of  said  Section  7;  thence
                  Northerly and parallel to the West lines of said Section 7 and
                  said Section 6 to a point on the North line of said Section 6,
                  said point being 660 feet East of the Northwest corner of said
                  Section 6, the point of  beginning;  a map or plat of which is
                  attached  hereto as Exhibit 6 and by reference  made a part of
                  this Agreement.
                                       29

Article - Section C


         (4)      Peoria.   All  that  territory   lying  within  the  following
                  described boundaries:

                           Beginning  at the  Northwest  corner of  Section  22,
                  Township 3 North,  Range 1 East,  Gila and Salt River Base and
                  Meridian;  thence  Easterly  along  the  North  lines  of said
                  Section 22 and Section 23, Township 3 North,  Range 1 East, to
                  the  Northeast  corner of said  Section 23;  thence  Southerly
                  along  the  East  lines of said  Section  23 and  Section  26,
                  Township 3 North,  Range 1 East,  to the  Southeast  corner of
                  said Section 26; thence Westerly along the South lines of said
                  Section 26 and Section 27, Township 3 North,  Range 1 East, to
                  the  Southwest  corner of said  Section 27;  thence  Northerly
                  along the West lines of said Section 27 and said Section 22 to
                  the  Northwest  corner  of  said  Section  22,  the  point  of
                  beginning;  a map or plat  of  which  is  attached  hereto  as
                  Exhibit 7 and by reference made a part of this Agreement.

         (5)      Scottsdale.  All that  territory  lying  within the  following
                  described boundaries:

                           Beginning  at the  Southwest  corner of  Section  27,
                  Township 2 North,  Range 4 East,  Gila and Salt River Base and
                  Meridian; thence Northerly along the West line of said Section
                  27 to the South  right-of-way line of the Arizona Canal as now
                  located  (see  Note 1);  thence in a  Northeasterly  direction
                  along  said  South  right-of-way  line  of the  Arizona  Canal
                  through  said  Section 27 and  Sections 22 and 23,  Township 2
                  North,  Range 4 East, to its intersection  with the North line
                  of said Section 23;  thence  Easterly  along the North line of
                  said  Section 23 to the  Northeast  corner of said Section 23;
                  thence  Southerly  along the East lines of said Section 23 and
                  Section 26,  Township 2 North,  Range 4 East, to the Southeast
                  corner of said Section
                                       30

                                                          Article II - Section C


                  26; thence  Westerly  along the South lines of said Section 26
                  and said  Section 27 to the  Southwest  corner of said Section
                  27, the point of beginning; a map or plat of which is attached
                  hereto  as  Exhibit  8 and by  reference  made a part  of this
                  Agreement.

                           (Note 1. Arizona   Canal  as  now  located  is  being
                                    surveyed  and   monumented,   and  upon  the
                                    completion of such survey and its acceptance
                                    by the  parties  hereto  such  survey  shall
                                    become a part hereof by reference.)

         (6)      Tempe. All that territory lying within the following described
                  boundaries:

                           Beginning at a point on the South line of Section 21,
                  Township 1 North,  Range 4  East, Gila and Salt River Base and
                  Meridian,  1,320  feet  East of the  Southwest  corner of said
                  Section 21; thence Northerly and parallel to the West lines of
                  said  Section  21 and Sections  16  and 9,  Township  1 North,
                  Range 4 East, to a point 2,640 feet North of the South line of
                  said  Section 9;  thence  Easterly  and  parallel to the South
                  lines of said  Section 9 and  Sections  10 and 11,  Township 1
                  North,  Range 4 East,  to a point  2,640  feet  East and 2,640
                  feet  North of the Southwest corner of said Section 11; thence
                  Southerly  and  parallel to the West lines of said  Section 11
                  and Sections 14 and 23,  Township 1 North,  Range 4 East, to a
                  point on the South line of said  Section 23;  thence  Westerly
                  along the South lines of said  Section 23 and  Sections 22 and
                  21, Township 1 North, Range 4 East, to a point 1,320 feet East
                  of the  Southwest  corner  of said  Section  21,  the point of
                  beginning;  EXCEPTING  therefrom  Block  67  of  the  original
                  Townsite of Tempe a map or plat of
                                       31

Article II - Section C


                  which is attached  hereto as Exhibit 9 and by reference made a
                  part of this Agreement.

         (c)      Miscellaneous. The following additional miscellaneous areas:

                  (1) That area near Tempe, Arizona (commonly referred to as the
                  Borden Plant Area), particularly described as follows:

                           Beginning  at a point on the  North-South  midsection
                  line of Section 23,  Township 1 North,  Range 4 East, Gila and
                  Salt River Base and  Meridian,  where  said  mid-section  line
                  intersects the North  right-of-way  line of the old Tempe-Mesa
                  Highway; said point being North 0(degree)43' West 1733.35 feet
                  from the center of said Section 23; thence North 0(degree) 43'
                  West 44 feet; thence South 85(degree) 19' East 75 feet; thence
                  North  88(degree) 29' East 100 feet;  thence North  80(degree)
                  17' East 100 feet;  thence North 71(degree) 47' East 100 feet;
                  thence  North  64(degree)  10' East  100  feet;  thence  North
                  57(degree) 52' East 135 feet; thence North 41(degree) 09' East
                  485 feet;  thence  South  O(degree)  31' East  552.2 feet to a
                  point on the  North  right-of-way  line of the old  Tempe-Mesa
                  Highway; thence Westerly along said North right-of-way line to
                  point of be ginning; a map or plat of which is attached hereto
                  as Exhibit 10 and by reference made a part of this Agreement.

                  (2) The following described area:

                           That part of the  Northwest  quarter of  Section  10,
                  Township 1 South,  Range 5 East,  Gila and Salt River Base and
                  Meridian, now being used for residential purposes,  more fully
                  described as follows:
                                       32

                                                     Article II - Sections C & D


                           Beginning at the center of said Northwest  quarter of
                  Section  10;  thence  East 900  feet;  thence  South 185 feet;
                  thence West 900 feet;  thence  South 75 feet;  thence West 336
                  feet;  thence  North 585 feet;  thence  East 336 feet;  thence
                  South 325 feet to said center of Northwest  quarter of Section
                  10, the point of beginning; a map or plat of which is attached
                  hereto  as  Exhibit  11 and by  reference  made a part of this
                  Agreement.

         2. Other  Arizona  Areas.  The Company shall further have the exclusive
right, insofar as the District is concerned, to provide electric service for all
purposes in all other territory within the State of Arizona except the territory
described in Paragraphs 1 and 2 (b) of Section B of this Article II.

         3. Eastern Area. The Company shall have the exclusive right, insofar as
the  District is  concerned,  in the  territory  described  in  Paragraph 2 (b),
Section B of this Article II, to supply  electric  service to all  customers and
types of load not  allocated to the District in said  territory,  subject to the
provisions of subparagraph (3) of Paragraph 2 (a), Section B of this Article II,
with  respect  to the  right  of the  District  to  supply  to the  Company  its
requirements  of  electric  power  and  energy  for use and for  resale  in said
territory.

         SECTION D - Exceptions and Reservations
                     ---------------------------

         Notwithstanding  the  allocation of  territory,  customers and types of
load contained in this Agreement,  the following exceptions and reservations are
acknowledged  and agreed to and service of electric  power and energy under such
exceptions and  reservations may be made as hereinafter  particularly  provided,
and such service shall not be in violation of this Agreement:

         1. Own  Facilities and  Installations.  Each party hereto may serve its
own facilities and installations  with electric power and energy,  regardless of
the  location  of  such  facilities  and   installations.   By  "facilities  and
installations",  the parties  hereto mean all power plants,  substations,  water
pumps and pumping plants, office buildings, shops
                                       33

Article II - Section D


and related  facilities  owned and/or operated by or on behalf of the Company or
the  District,  and used by the parties in  performing  their normal  functions,
except that any  facilities and  installations  leased by one party to the other
shall,  for the  purposes  of this  Section,  be  deemed  to be  facilities  and
installations of the lessee.

         2. Salt River Valley Water Users'  Association.  The District may serve
the  facilities  and  installations  of  the  Salt  River  Valley  Water  Users'
Association  with electric power and energy,  regardless of the location of such
facilities and  installations.  By "facilities and  installations",  the parties
hereto mean all substations,  water pumps and pumping plants,  office buildings,
shops  and  related  facilities  owned  and/or  operated  by or on behalf of the
Association and used by the Association in performing its normal functions.

         3. Roosevelt Irrigation District. The District may serve electric power
and energy to the Roosevelt Irrigation District for the purpose of pumping water
within  the  boundaries  of the Salt  River  Project  pursuant  to that  certain
contract  between the  Roosevelt  Irrigation  District and the Salt River Valley
Water Users' Association, dated February 12, 1927, as amended.

         4. Gila River  Reservation  Contract of 1907.  In the event  service is
lawfully  required under the terms of that certain  agreement between the United
States of America and the Salt River Valley Water Users'  Association,  executed
by the  Secretary of the  Interior on behalf of the United  States of America on
the 3rd day of June 1907,  the  District  may provide such service to the extent
required by such contract.

         5.  Kennecott  Copper   Corporation.   Notwithstanding  the  fact  that
Kennecott Copper Corporation may sell or deliver a portion of the electric power
and energy  purchased by it from District to Ray Electric and Telephone  Company
or its  successors  for resale in the towns of Ray,  Hayden,  Sonora and Kelvin,
Arizona, such sale or delivery by District to Kennecott Copper Corporation shall
not constitute a violation of this Agreement.
                                       34

                                                          Article II - Section D


         6. Indian Service Standby Agreement.  In its letter dated July 2, 1954,
the District has proposed a contract  among the  District,  the Bureau of Indian
Affairs  of the United  States of  America  and  Kennecott  Copper  Corporation,
covering  mutual  standby  arrangements  pursuant to which the only  delivery of
electric power and energy from District's system into territory allocated to the
Company is to be the  furnishing  of standby  service on a mutual  basis for the
protection  of the service on the Bureau of Indian  Affairs 69  kilovolt  system
through  the  Hayden   interconnection   point,   together   with  any  wheeling
arrangements  required to effectuate such emergency  standby.  Deliveries  under
such contract shall not constitute violation of this Agreement.

         7. Existing Arrangements with Arizona Power Authority.

         (a) 30,000 kw Contract  between  Company and Arizona  Power  Authority.
under the terms of a letter of intent  dated  April 30,  1953,  the  Company has
agreed  to sell  up to  30,000  kw of  power  to the  Arizona  Power  Authority.
Deliveries of power and energy under the contract to be entered into between the
Company and the Authority pursuant to said letter of intent shall not constitute
a violation of this Agreement.

         (b) Standby  Arrangements.  Under the terms of the contract between the
Arizona  Power  Authority  and the  Company  dated April 30,  1953,  the parties
thereto agreed to provide for reciprocal  emergency assistance or standby during
outages of facilities of the parties to said  contract.  Deliveries of power and
energy for such purposes under such contract shall not constitute a violation of
this Agreement.

         8. Off-Peak Energy Sales.  Each of the parties hereto may sell off-peak
energy to the Arizona Power Authority  pursuant to the terms of the proposals of
each party to the Arizona Power Authority by letters dated October 27, 1954, and
the respective  acceptances of Arizona Power Authority to each dated November 1,
1954, or in accordance  with any formal  written  agreement,  which from time to
time may be made in
                                       35

Article II - Section D


conformity with the terms of such letter proposals and  acceptances,  regardless
of where such energy is sold or ultimately consumed.

         9. Future  Sales to Public  Agencies.  Recognizing  that under  various
circumstances  it may neither be practicable  nor be in the public  interest for
Arizona  Power  Authority and United  States  Department of Interior,  Bureau of
Reclamation,  in purchasing  power and energy from either of the parties hereto,
to be subject to  restrictions  arising from this  Agreement,  it is agreed that
each party  hereto may  hereafter  enter into  contracts  with and make sales of
power and energy to Arizona Power  Authority and Bureau of  Reclamation  without
limitations,  insofar as the other party hereto is  concerned,  as to where such
power and energy may be sold or where it may ultimately be consumed.

         10.  Boundary  Customers.  In the event that any single  premises  of a
customer shall be situated partly in the territory  allocated to the Company and
partly in the territory allocated to the District, electric power and energy may
be sold to such customer by either party at the option of the customer, provided
that the delivery  point is located on such premises and within the territory of
the supplier,  and provided  further,  that there be no  consumption of any such
power and energy  other than by such  customer on such  premises.  In such case,
delivery  of any such  power and  energy  by one party  which may be used by the
customer within the territory of the other party shall not be deemed a violation
of this Agreement. For the purposes of this provision, the term "premises" shall
be defined as all buildings  and/or  grounds of a customer  which are contiguous
and which  normally  would be supplied  from one  delivery  point,  and the term
"delivery  point" shall mean the point at which the electric  facilities  of the
supplier attach to those of the customer.

         Neither party will,  upon the  relocation of a delivery  point into its
territory, undertake service theretofore rendered by the other party
                                       36

                                                          Article II - Section D


under the foregoing  conditions  unless the relocation of the delivery point has
become advisable,  upon the basis of proper and usual engineering practices, due
to a change in the amount of load, the location of load, or other engineering or
operating factors relating to the electric consumption by the customer.  Whether
such relocation has so become advisable by reason of the foregoing factors shall
be determined by the party to whose  territory the delivery point is to be moved
but such party shall not make such determination arbitrarily or capriciously and
shall submit to the other party  prior to the  undertaking  of service the facts
and data upon which such determination was based.

         Whenever service is initiated by a party hereto to such a customer, and
conditions  thereafter  shall change so that any of the  requirements  above set
out, are no longer met, service to such premises and/or any new premises created
by such change  shall be  rendered in  conformity  with the  provisions  of this
Agreement  including the provisions of this  Paragraph 10 or shall  constitute a
violation of this Agreement.

         11.  Miscellaneous.  It is recognized that there may be instances where
it would be in the  interests  of the public and of the  parties  hereto to have
electric  power and energy  delivered by one party for use or consumption in the
territory or by  customers  or for a type of load  allocated to the other party.
Any such  deliveries  shall not be a violation of this  Agreement if made by one
party with the written  consent and  approval of a  representative  of the other
party  authorized by its Board of Directors to sign such consents and approvals.
Such written consent and approval shall be given in cases where such other party
is unable or  unwilling  to supply  service  but the giving of such  consent and
approval may be conditioned  upon  reasonable  terms and conditions  under which
such  other  party may at some  future  time take  over the  supply of  electric
service  to  the  customer  or  customers  involved  and  acquire  ownership  of
facilities  installed  for  such  services  at their  original  cost  less  book
depreciation.
                                       37

Article II - Section E


         SECTION E - Transfer of Facilities
                     ----------------------

         It is recognized  that by virtue of the terms of this Agreement and the
reallocation of territory and customers  between the parties,  certain territory
and  customers  now served by the  District  will be served in the future by the
Company,  and certain  territory and customers now served by the Company will be
served in the future by the District.

         1. Upon written request by the District,  the Company will  discontinue
providing  electric  service in areas  presently  served by the Company that are
within the  territory  allocated  to the District in Paragraph I of Section B of
this Article II, and the District will thereupon provide the electric service so
discontinued; and concurrently therewith Company will sell and District will buy
facilities and installations within such areas that in Company's judgment are no
longer needed by it.

         The parties have  heretofore  agreed upon and  designated  those of Com
pany's facilities and installations  which were in place within such areas as of
November 30, 1954, and which are to be transferred  to District  hereunder.  The
price for the  facilities  of Company to be  transferred  to District  hereunder
shall be $67,063.15,  plus the original cost  installed of any other  facilities
finally  transferred  which  shall  have  been  installed  after the 30th day of
November,  1954, and prior to the date of transfer, and less the appraised value
of any facilities of Company which were included in the amount above set out and
which shall have been removed from said areas during such period. The amounts of
such  additions  and  subtractions  shall be  determined  by a competent  person
selected by mutual  agreement  of the parties who shall  determine  said amounts
from,  available  records and if advisable verify them by suitable field checks.
The  cost of such  determination  shall  be paid by the  Company  and  shall  be
included in the price for the facilities.

         2. Upon written request by the Company,  the District will  discontinue
providing  electric  service in areas and to customers  presently  served by the
District  that  are  hereby  allocated  to the  Company,  and the  Company  will
thereupon provide the electric service so discontinued.

         Excepting the  District's 115 KV  transmission  line extending from the
vicinity of Florence Junction,  Arizona,  to the vicinity of Coolidge,  Arizona,
and the District's  Blackwater  Substation  located in the vicinity of Coolidge,
Arizona, the District, concurrently with the discontinuance of service, will
                                       38

                                                          Article II - Section E


sell and the Company will buy all District  facilities and installations  within
territory  allocated  to the Company that in  District's  judgment are no longer
needed by it.  Similarly  the  District  will sell and the Company  will buy the
facilities and  installations  in the Eastern area which in District's  judgment
are no longer  needed by it and which were  theretofore  used sorely for serving
customers to whom service is so discontinued.

         The  parties  have  heretofore  agreed  upon  and  designated  those of
District's facilities and installations which were in place within such areas as
of November 30, 1954, and which are to be transferred to Company hereunder.  The
price for the  facilities  of District to be  transferred  to Company  hereunder
shall be $1,304,926.27, plus the original cost installed of any other facilities
finally  transferred  which  shall  have  been  installed  after the 30th day of
November,  1954, and prior to the date of transfer, and less the appraised value
of any  facilities  of District  which were included in the amount above set out
and which  shall have been  removed  from said areas  during  such  period.  The
amounts of such  additions and  subtractions  shall be determined by a competent
person  selected by mutual  agreement  of the parties who shall  determine  said
amounts from  available  records and if advisable  verify them by suitable field
checks. The cost of such  determination  shall be paid by the District and shall
be included in the price for the facilities.

         3.  Upon the sales of the  facilities  hereinabove  referred  to by the
District or the Company,  the seller shall execute and deliver appropriate bills
of sale and/or deeds  transferring to the other party the facilities and/or land
so being sold,  and shall,  in  addition,  transfer by quit claim,  deed or such
other   instrument  or  instruments  as  the  parties  may  deem  proper,   such
transferable licenses, leases, permits, easements or rights of way as the seller
shall have for and in connection  with such  facilities so being sold, and shall
give purchaser any necessary  easements for such transferred  facilities located
on land owned by seller.

         4. Upon the transfer of territory, customers or facilities, the parties
will make reasonable  arrangements  covering refundable line advances,  security
deposits,   accounts   receivable,   unbilled  revenue,   transfer  of  records,
prepayments,  cut-over  schedules  and  other  matters  in  connection  with the
territory facilities and customers being transferred.
                                       39

Article III - Section A


                                   ARTICLE III
                                   -----------

                                 POWER CONTRACTS
                                 ---------------

         This  Agreement  shall  not  become  effective  and  binding  until the
execution  by the parties  hereto of the  proposed  power  contract or contracts
between the  District  and the  Company  referred to in Sections A and D of this
Article III. The contracts referred to in this Article III, which may or may not
be embodied  in a single  instrument,  shall  embody  substantially  the matters
hereinafter set forth, and for the purpose of identification the power contracts
herein agreed to be entered into shall, upon becoming effective,  be attached to
this Agreement.

         SECTION A - Territory Equivalent Power Contracts
                     ------------------------------------

         1. Superior  Area. The District will agree to sell and the Company will
agree to buy the equivalent of all the electric power  necessary for the present
and future use and resale requirements of the Company in Superior,  Arizona, and
vicinity,  delivered at the District's  Superior Substation or such other point,
or points,  of delivery as may be agreed upon, with initial  delivery to be made
on the date  specified in the power  contract  embodying  these terms,  and at a
price to be mutually agreed upon and incorporated into the power contract.

         2.  Globe-Miami  Area.  The District will agree to sell and the Company
will agree to buy the equivalent of all of the electric power  necessary for the
present  and future use and resale  requirements  of the  Company in the area of
Globe and Miami,  Arizona,  and  vicinity,  in excess of any power  output  from
Company's  present  generating  units located in said area.  The electric  power
herein  referred to may  initially be delivered at 25 cycles at Company's  Miami
Diesel  Generating  Station  or such  other  delivery  point or points as may be
agreed upon,  at a price,  time and rate of delivery to be mutually  agreed upon
and  incorporated  into the power  contract.  In the event District shall in the
future find it advisable in fulfilling its  obligations in the area to reduce or
discontinue delivery of 25 cycle power at the Globe-Miami delivery point,
                                       40

                                                         Article III - Section A


District  may submit to Company a proposal  under  which it will  substitute  60
cycle delivery,  in which event the parties shall proceed to effect arrangements
for such 60 cycle supply in  accordance  with the  provisions  of Paragraph 4 of
this Section A. ln the event such 60 cycle supply shall  substitute in whole for
the 25  cycle  supply  provided  for in this  Paragraph  2, the  power  contract
providing for such 25 cycle supply shall be of no further force and effect.

         3. Winkelman Area. The District will agree to sell and the Company will
agree to buy the equivalent of all the electric power  necessary for the present
and future use and resale requirements of the Company in Winkelman, Arizona, and
vicinity,  at a price,  point,  time and rate of delivery to be mutually  agreed
upon and incorporated into the power contract.

         4. Other Power  Requirements  in the Eastern  Area.  The District  will
agree to sell and the  Company  will agree to buy the  equivalent  of all of the
electric power and energy  necessary for future use and resale  requirements  of
the  Company in  portions  of the  Eastern  area other than those  described  in
Paragraphs 1, 2 and 3 of this Section A, and for  requirements of Company in the
Globe-Miami  area in addition to or in lieu of the initial 25 cycle delivery for
such area  provided  for in  Paragraph 2 of this  Section A, and in reference to
such requirements the power contract shall, among other things,  provide for the
following matters:

         (a)      Proper and  reasonable  notice of such  requirements  shall be
                  given by Company to District.

         (b)      District   shall  submit  a  proposal  to  Company   within  a
                  reasonable  time stating terms,  conditions,  method and price
                  under which it will supply such requirements.

         (c)      If such  proposal  is not  acceptable  to the  Company and the
                  method of supply shall be in dispute between the parties, such
                  dispute as to method of supply shall be sub-
                                       41

Article III - Section A


                  mitted to  arbitration  and the  decision  of the  arbitration
                  board  shall  be  binding  upon  the  parties  in   subsequent
                  negotiations  relating to price,  terms and conditions for the
                  particular  additional  requirement then under  consideration,
                  subject to the provisions of paragraph (g) hereunder.

         (d)      In determining  the most  economically  sound method of supply
                  for such additional requirements,  the arbitration board shall
                  give proper  consideration,  among other things, to District's
                  responsibilities  for  supplying  the current and future power
                  requirements   of  the  Eastern  area  and  for   providing  a
                  transmission  system  for such  supply,  and  shall  also give
                  consideration  to Company's  responsibilities  in the area and
                  the adequacy and  reliability of the method to be selected and
                  the suitability of the selected method for future power supply
                  to Company at the requested  location or at other locations in
                  the Eastern area.

         (e)      A method of supply  having  been agreed upon by the parties or
                  selected by the arbitration board, the parties shall then seek
                  to agree upon a price and related conditions applicable to the
                  method of supply so agreed upon or selected.

         (f)      If the parties  shall fail to agree on the price to be charged
                  for the supply of such  additional  requirements by the agreed
                  upon or selected method,  either party may demand  arbitration
                  and the arbitration  board will be asked to determine  whether
                  District's  cost is less  than  Company's  cost,  and if so to
                  determine a price for such supply which is midway between such
                  costs of District  and Company.  As used in this  Paragraph 4,
                  "cost" shall include the elements normally used in arriving at
                  cost in the  utility  industry  which  shall  be  particularly
                  provided  in the power  contracts  here  agreed to be  entered
                  into.
                                       42

                                                         Article III - Section A


         (g)      The  findings  of  the  arbitration   board  or  boards  under
                  subparagraphs  (c) and (f) above  shall be  binding  upon both
                  parties,  provided,  however, that District shall not be bound
                  to use the  identical  method  agreed  upon or selected by the
                  arbitration  board  but may  provide  such  supply by a method
                  superior to the agreed upon or selected method.

         (h)      If the  arbitration  board  determines  that  no  such  price,
                  meeting the criteria of subparagraph  (f) of this Paragraph 4,
                  is possible,  it shall state  Company's  cost found under said
                  subparagraph, and the parties shall then proceed as follows:

                  (1)      Resume negotiations in an effort to reach agreement.

                  (2)      If agreement is not reached within a reasonable time,
                           District may, at its election,  supply service by the
                           agreed upon or selected method or a superior  method,
                           at Company's cost as found by the arbitration  board,
                           or if District does not so supply such service, then

                  (3)      Company shall have the right to obtain service at the
                           requested   location  from  any  other  sources  then
                           available to Company, provided, however, that Company
                           shall  not be  released  from its  obligation  to buy
                           equivalent  power,  such equivalent  power to be sold
                           and  purchased  at  established  prices and points of
                           delivery  as  provided  for in the power  contract or
                           contracts or, if the parties should agree  otherwise,
                           at other prices, points, times and rates of delivery.

         5. Marinette Area. The District will agree to sell and the Company will
agree to buy the equivalent of all of the electric  power  necessary for present
and future use and resale  requirements of Company in an area herein referred to
as the Marinette area of Maricopa County,  Arizona,  and presently served by the
District,  such area or territory being included within the following  described
boundaries:
                                       43

Article III - Section A


                  Beginning  at the  Northwest  corner of Section 6,  Township 4
         North,  Range 1 East,  Gila and Salt  River Base and  Meridian;  thence
         Easterly  along the North  line of  Township  4 North to the  Northeast
         corner of Section 1, Township 4 North,  Range 1 East;  thence Southerly
         along the East line of Range 1 East to its intersection  with the North
         right-of-way  line of the Arizona  Canal as now  located  (see Note 1);
         thence  Northwesterly  along the said  North  right-of-way  line of the
         Arizona  Canal to a point 660 feet East of the West line of  Section 1,
         Township 3 North,  Range 1 East;  thence  Northerly and parallel to the
         West line of said  Section 1 to a point  more or less in the  center of
         Skunk Creek,  said point being 800 feet South of the North line of said
         Section 1; thence  Southwesterly  on a straight  line to a point on the
         West line of said  Section  1, said  point  being 900 feet South of the
         Northwest corner of said Section l; thence  Southwesterly on a straight
         line to a point  660 feet West and 600 feet  North of the East  quarter
         corner  of  Section  2,  Township  3  North,   Range  1  East;   thence
         Southwesterly  on a straight line to a point 660 feet East and 200 feet
         South of the  center  of said  Section  2;  thence  Southwesterly  on a
         straight  line to a point 800 feet West and 850 feet North of the South
         quarter  corner of said Section 2; thence  Westerly and parallel to the
         South  line of said  Section 2 to a point  1,000  feet East of the West
         line of said Section 2; thence  Southwesterly  on a straight  line to a
         point on the South line of said  Section  2, said point  being 800 feet
         East of the Southwest corner of said Section 2; thence Southwesterly on
         a straight  line to a point on the West line of Section 11,  Township 3
         North,  Range 1 East,  660 feet South of the  Northwest  corner of said
         Section 11; thence Southwesterly on a straight line to a point 660 feet
         East and 350 feet North of the Southwest corner of Section 10, Township
         3 North,  Range 1 East;  thence  Southwesterly  on a straight line to a
         point 660 feet East and 660 feet North of the South  quarter  corner of
         Section 16, Township 3 North,  Range 1 East; thence  Southwesterly on a
         straight  line to the center of Section 21,  Township 3 North,  Range 1
         East; thence  Southwesterly on a straight line to a point 660 feet East
         and 1,320 feet South of the Northwest  corner of Section 28, Township 3
         North,
                                       44

                                                         Article III - Section A


         Range 1 East; thence  Southwesterly on a straight line to the Southwest
         corner of said Section 28; thence Southwesterly on a straight line to a
         point on the  East-West  mid-section  line of  Section  32,  Township 3
         North, Range 1 East, 1,320 feet West of the East quarter corner of said
         Section 32;  thence  Southerly on a straight line to a point 1,320 feet
         West and  1,320  feet  South of the  Northeast  corner  of  Section  5,
         Township 2 North, Range 1 East; thence Southwesterly on a straight line
         to the center of said Section 5; thence Southerly along the North-South
         mid-section  line to the South quarter corner of said Section 5; thence
         Southwesterly  on a  straight  line to a  point  on the  North  line of
         Section  18,  Township  2 North,  Range 1 East,  1,320 feet West of the
         Northeast corner of said Section 18; thence Southwesterly on a straight
         line to a point on the East-West  mid-section  line of said Section 18,
         said point  being  1,320 feet East of the West  quarter  corner of said
         Section 18;  thence  Southwesterly  on a straight line to the Southwest
         corner of said  Section  18;  thence  Northerly  along the West line of
         Range 1 East to the  Northwest  corner of Section 6,  Township 2 North,
         Range 1 East;  thence Westerly along the South line of Township 3 North
         to the Southwest corner of Section 31, Township 3 North,  Range 1 West;
         thence  Northerly  along the West line of Range 1 West to the Northwest
         corner of Section 6, Township 3 North,  Range 1 West;  thence  Easterly
         along the North  line of  Township 3 North to the  Southwest  corner of
         Section 31, Township 4 North,  Range 1 East; thence Northerly along the
         West  line of Range l East,  to the  Northwest  corner  of  Section  6,
         Township 4 North,  Range 1 East, the point of beginning;  a map or plat
         of which is attached  hereto as Exhibit 12 and by reference made a part
         of this Agreement.

                  (Note 1. Arizona  Canal as now located is being  surveyed  and
                           monumented,  and upon the  completion  of such survey
                           and its  acceptance by the parties hereto such survey
                           shall become apart hereof by reference.)
                                       45

Article III - Section A


         Such  electric  power shall be sold and  purchased  at prices,  points,
times and rates of delivery to be mutually agreed upon and incorporated into the
power contract.

         6.  Camelback  Area (North of Camelback  Mountain).  The District  will
agree to sell and the  Company  will agree to buy the  equivalent  of all of the
electric power necessary for the present and future use and resale  requirements
of Company in an area herein referred to as the Camelback area, located north of
Camelback Mountain, and presently served by the District, such area or territory
being included within the following boundaries:

                  Beginning at the  Northeast  corner of Section 12,  Township 2
         North,  Range 4 East,  Gila and Salt  River Base and  Meridian;  thence
         Southerly  along the East line of said  Section 12 to its  intersection
         with the North  right-of-way  line of the Arizona  Canal as now located
         (see Note 1); thence Westerly along the said North right-of-way line of
         the Arizona  Canal to its  intersection  with the South line of Section
         14,  Township 2 North,  Range 4 East;  thence  Westerly along the South
         line of said  Section 14 and the South line of Section  15,  Township 2
         North, Range 4 East, to the Southwest corner of said Section 15; thence
         Westerly along the South line of Section 16, Township 2 North,  Range 4
         East, to the Southwest corner of the Southeast quarter of the Southeast
         quarter of said Section 16;  thence  Northerly and parallel to the East
         line of said Section 16 for a distance of 660 feet; thence Westerly and
         parallel  to the South line of said  Section 16, more or less along the
         ridge of  Camelback  Mountain,  for a distance  of 1,980  feet;  thence
         Northwesterly,  more or less along said ridge,  on a straight line to a
         point on the  East-West  mid-section  line of  Section  17,  Township 2
         North,  Range 4 East,  said point  being 660 feet East of the center of
         said Section 17; thence Westerly along the East-West  mid-section  line
         of said Section 17 and along the East-West  mid-section line of Section
         18,  Township 2 North,  Range 4 East, to the center of said Section 18;
         thence Northerly along the North-South mid-section line of said section
         18 and the North-South mid-
                                       46

                                                         Article III - Section A


         section line of Section 7, Township 2 North, Range 4 East, to the North
         line of said  Section 7; thence  Easterly  along the North line of said
         Section 7 and continuing  Easterly along the North lines of Sections 8,
         9, 10, 11 and 12,  Township  2 North,  Range 4 East,  to the  Northeast
         corner of said  Section  12, the point of  beginning;  a map or plat of
         which is attached  hereto as Exhibit 13 and by reference made a part of
         this Agreement.

                  (Note 1. Arizona  Canal as now located is being  surveyed  and
                           monumented,  and upon the  completion  of such survey
                           and its  acceptance by the parties hereto such survey
                           shall become a part hereof by reference.)

         Such  electric  power shall be sold and  purchased at a price,  points,
times and rates of delivery to be mutually agreed upon and incorporated into the
power contract.

         7.  Continuation  of Sale of 12,000 KW. The  parties  hereto will enter
into a contract  incorporating  therein the present sale of 12,000  kilowatts by
the District to the Company,  which said 12,000 kilowatts is sold to the Company
under and by virtue of the provisions of the Agreement of 1922, the Agreement of
1925, and the Agreement of 1928, all as amended,  and hereinbefore  referred to.
It is agreed that such power contract which will  incorporate  the provisions of
this Paragraph 7 shall have for its purpose the continuation of a sale of 12,000
kilowatts of power by the District to the Company at a price which is the sum of
(1) demand  charge of $1,000 per month,  and (2) an energy  charge  equal to the
energy  equivalent  of 100%  use of the  contract  demand  of  12,000  kilowatts
multiplied by 8 mills ($0.008) per  kilowatt-hour,  and under  substantially the
same  conditions  as are now in effect with  respect to such sale,  such sale to
continue  until June 1, 1961,  at which time the power rate to be charged was to
have been  re-determined  under provisions of the Agreement of 1928, as amended.
Upon such  expiration date of June 1, 1961,  12,000  kilowatts shall be added to
the amount of power to be sold by District to Company as provided for in Section
B
                                       47

Article III - Sections A & B


of this  Article  III, at the same power rate to be charged,  and under the same
terms and  conditions  as for the sale and  purchase of the 50,000  kilowatts of
power  referred to in Section B of this  Article  III. In the event by reason of
unforeseen   circumstances   such  50,000  kilowatt  agreement  is  not  finally
consummated,  the power  contract  covering the sale and purchase of such 12,000
kilowatts  shall,  instead of expiring on June 1, 1961,  continue  until June 1,
1978, and on June 1, 1961 and at 5 year intervals  thereafter,  either party may
determine  by written  notice given to the other party not less than ninety (90)
days prior  thereto  that the rate to be charged for such 12,000  kilowatts  and
accompanying energy shall be readjusted by mutual agreement or by arbitration as
ma, be provided for in the power  contract here agreed to be entered  into,  and
the rate so  determined  shall be  charged  until and  unless  the rate is again
readjusted in accordance with the terms of this Paragraph 7.

         SECTION B - Additional Power Contract
                     -------------------------

         1. The  District  will agree to sell and the Company  will agree to buy
50,000 kilowatts of power to aid Company in supplying its resale requirements in
the territory  herein allocated to the Company within the boundaries of the Salt
River  Project,  at prices,  points and rates of delivery to be mutually  agreed
upon and incorporated into the power contract.

         2. The delivery of said 50,000  kilowatts of power to the Company shall
commence on April 1, 1957,  or on the date that the  District's  steam  electric
generating plant of a nominal capacity of 100,000 kilowatts, presently scheduled
for completion in 1957, shall be placed in commercial  operation,  but not later
than June 1, 1957,  unless  completion  of said plant be delayed  beyond June 1,
1957, due to causes beyond the District's control.  The parties shall agree that
from  time to time the said  50,000  kilowatt  contract  rate of  demand  may be
increased  at prices,  points and rates of delivery  to be mutually  agreed upon
between the parties.
                                       48

                                                         Article III - Section C


         SECTION C - General Terms and Conditions
                     ----------------------------

         1. Each of the power contracts provided for in Sections A and B of this
Article III shall,  with the exception of the contract provided for in Paragraph
7 of said Section A, contain the following general provisions:

         (a)      Escalator   clauses  relating  to  labor,   materials,   fuel,
                  insurance,  purchased  power and taxes to the extent that such
                  components are or may be a part of the cost of the power to be
                  sold.  Such  escalation  shall be up or down as changes  shall
                  occur.

         (b)      Usual and ordinary  clauses  concerning  reliability  of power
                  sold by District.

         (c)      A provision  that  contracts  shall be of permanent  duration,
                  subject only to District's  right of  cancellation  upon three
                  years' notice first having been given by District to Company.

         (d)      A  provision  that any portion of the power  purchased  by the
                  Company  which is reduced or cancelled  by the District  shall
                  not be recoverable by District  except through  consent of the
                  Company.

         (e)      A provision  authorizing mutually agreeable changes in matters
                  relating to points, times and rates of delivery of power.

         (f)      A provision  that if this  Agreement  should be  terminated or
                  cease to be effective  due to  circumstances  or events beyond
                  the  control  of the  parties,  the  parties  hereto  agree to
                  negotiate  and  to  attempt  to  reach  agreement  as to  such
                  changes, if any, in the power contracts as are necessitated by
                  such event,  and that if this Agreement shall be terminated by
                  the Company pursuant to Paragraph 5 of Section A of Article II
                  hereof  due to a  voluntary  violation  by the  District,  the
                  Company may terminate any or all the power contracts  provided
                  for in  Paragraphs 1, 2, 3, 4, 5 and 6 of Section A of Article
                  III hereto upon five years' advance notice.
                                       49

Article III - Section C


         2. Certain of the power  contracts  provided for in Sections A and B of
this Article III shall contain additional provisions as follows:

         (a)      A provision in the power contract or contracts provided for in
                  Paragraphs 5, 6, and 7 of Section A and Paragraph 1 of Section
                  B of this Article III that the  District  shall have the right
                  to reduce  the  amount of power  agreed to be sold  thereunder
                  upon three  years'  notice first having been given by District
                  to Company; provided, that reduction of amounts of power to be
                  sold to Company pursuant to the contracts provided for in said
                  Paragraphs 5 and 6 shall not affect the District's  obligation
                  to sell and the Company's  obligation to buy the total use and
                  resale  requirements  of Company in the areas  covered by such
                  contracts, less the amount of any such reduction.

         (b)      A provision  that the prices for power and energy  agreed upon
                  in the power  contract or contracts  covering  the  deliveries
                  provided for in  Paragraphs  1, 2, 3, 5 and 6 of Section A and
                  in Section B of this  Article  III,  shall be in effect  until
                  June  1,  1987,  subject  to  the  escalation  and  adjustment
                  provisions included in said contract or contracts.  On June 1,
                  1987,  and at  thirty  year  intervals  thereafter,  the power
                  contract or  contracts  referred to in this  subparagraph  (b)
                  shall  provide for  reopening  for review of prices,  with the
                  basis  for such  review  being  specifically  set  forth,  but
                  generally  limited to bringing  prices into line with changing
                  conditions,  power  resources  and power  market  prices.  The
                  parties  shall agree to  arbitration  of such prices if mutual
                  agreement cannot be reached during such review.

         (c)      A provision  that the prices for power and energy  agreed upon
                  in  the  power  contract  or  contracts  covering   deliveries
                  provided  for in Paragraph 4 of Section A of this Article III,
                  shall  continue  and be in effect as set out in the  contracts
                  covering such deliveries which are hereinafter entered into.
                                       50

                                                 Article III - Sections C, D & E


         (d)      A provision in the contract or contracts  covering the Eastern
                  area that power to be  supplied  by District to Company at any
                  point of  delivery in such area shall be for use and resale by
                  the  Company  only at and in the  vicinity  of  such  delivery
                  point.  The term  "Vicinity" as here used means an area within
                  the  Eastern  area which is or can be served by the Company by
                  means of an electric  distribution  system employing  electric
                  circuits of a voltage not higher than 38 kilovolts.

         SECTION D - Power Coordination Arrangements
                     -------------------------------

         In addition to the contract or contracts provided for in Sections A and
B of this Article III, the parties will enter into contractual arrangements,  on
terms and conditions and for periods to be mutually agreed upon, with respect to
the following matters:

         1. Any needed wheeling arrangements relating to the use of transmission
and distribution  facilities of either party by the other party or for supply of
electric service to customers of the other party.

         2.   Provisions  for  mutual  standby  and  for  reciprocal   emergency
assistance.

         3.  Provisions  for  economy  energy  interchange  and  interchange  of
spinning reserve capacity.

         4.  Provisions  for  interchange  of power  received by the  respective
parties  from Parker Dam, to replace  provisions  of a similar  character  in an
agreement dated March 31, 1939,  between the parties which is to be cancelled as
provided in Article IV hereof.

         SECTION E - Differences and Inconsistencies
         -------------------------------------------

         In the event any differences or inconsistencies shall exist between the
power  contract or contracts as executed and the provisions of this Article III,
the power contract or contracts shall govern.
                                       51

Article III - Section F
Article IV
Article V


         SECTION F - Effect of Cancellation of Power Contracts
                     -----------------------------------------

         This   Agreement   shall  continue  and  remain  in  force  and  effect
notwithstanding  any  reduction  of the  power  to be sold by the  District  and
purchased by the Company,  or the  cancellation or  termination,  for any reason
whatsoever,  of any or all of the power  contracts mace pursuant to this Article
III.

                                   ARTICLE IV
                                   ----------

                            CANCELLATION OF EXISTING
                            ------------------------
                                   AGREEMENTS
                                   ----------

         1. Territorial  Agreements.  This Agreement,  upon becoming  effective,
shall replace and effect a cancellation of all existing  territorial  agreements
or understandings, whether formal or informal, between the parties hereto.

         2. Power Contracts.  When this Agreement and the power contracts herein
referred  to in  Sections A and D of Article  III have  become  binding  and all
conditions  to which the  effectiveness  of this  Agreement is subject have been
satisfied,  all previously  existing power contracts  between the parties hereto
and their respective predecessors in interest shall be deemed cancelled.

                                    ARTICLE V
                                    ---------
                          THIRD PARTIES NOT TO BENEFIT
                          ----------------------------

         Nothing  contained in this Agreement  shall be construed as authorizing
or giving  rise to any right or cause of action on the part of any  person not a
party hereto against either or both of the parties hereto.
                                       52

                                                                      Article VI


                                   ARTICLE VI
                                   ----------

                        EXISTING CONTRACTS FOR SERVICE OF
                        ---------------------------------
                                ELECTRICAL ENERGY
                                -----------------

         As of the date of transfer of  facilities  from one party hereto to the
other,  as provided in Section E of Article II, the  transferring  party  shall,
where lawfully possible,  cancel any existing electric service contracts between
it and customers  served by such facilities and allocated to such other party by
virtue of the provisions of this Agreement.

         In the event any of such  contracts are not lawfully  cancellable as of
such date and the customer  being served  thereunder  refuses to consent to such
cancellation,  it is agreed that such  contract  or  contracts,  where  lawfully
assignable,  shall be  deemed  assigned  to the party  having  the right by this
Agreement to provide service to the particular customer.

         Nothing  herein  contained  shall  require  the breach of any  existing
binding and irrevocable  electric  service contract between any party hereto and
any other  person or  persons,  and any such  contract  or  contracts  which are
neither  cancellable nor assignable shall continue to be performed,  and service
to the customer  thereunder shall be rendered by the party having  contracted to
serve such  customer  without  such  service  constituting  a violation  of this
Agreement, until the expiration of such contract or contracts, subject, however,
to the provisions of Paragraph 1 of Article VIII hereof;  and provided that upon
the  expiration of such contract or contracts,  or at the earliest date at which
the said party hereto may cancel, annul or terminate said contract or contracts,
the party which has been serving such  customers,  pursuant to such  contract or
contracts, shall declare such contract or contracts terminated and shall refrain
from serving such customers with electric power and energy.
                                       53

Article VII
Article VIII


                                   ARTICLE VII
                                   -----------

                     INDEMNITY AGAINST CUSTOMERS' CLAIMS AND
                     ---------------------------------------
                    COOPERATION IN DEFENDING VALIDITY OF THIS
                    -----------------------------------------
                          AGREEMENT AND POWER CONTRACTS
                          -----------------------------

         The party  hereto,  which,  as a result of this  Agreement,  undertakes
rendition of electric service to any particular  customer formerly served by the
other party, shall indemnify and hold the other party harmless against any loss,
liability  or  damage  resulting  from such  transfer  of the  electric  service
tendered to such customer.

         It is further  agreed that in the event any third  person shall seek to
invalidate  this  Agreement or the power  contracts  herein agreed to be entered
into, or shall seek to compel a sale, donation or delivery of electric power and
energy by either  party  hereto  which  would  constitute  a  violation  of this
Agreement,  or if the validity of this Agreement or the power  contracts then in
effect  shall  in  any  manner  be  brought  into  issue  in any  litigation  or
proceeding,  then and in such event,  prompt notification of such event shall be
given by the party first having  knowledge of such event to the other party, and
the  parties  hereto  shall  cooperate  in  defending  against  such  action  or
proceeding  and in upholding  the validity of this  Agreement and the said power
contracts.

                                  ARTICLE VIII
                                  ------------

                                 STREET LIGHTING
                                 ---------------

         1. It is  recognized  that the Company has entered into an agreement to
provide street  lighting for the City of Phoenix,  Arizona,  and that certain of
the streets  within the City of Phoenix  which  require and will require  street
lights are within the  territory  allocated to the  District.  It is agreed that
until such time as a street  lighting  contract  is  entered  into  between  the
District  and the  City of  Phoenix  in  regard  to  streets  lying  within  the
District's territory, or until other arrange-
                                       54

                                                                    Article VIII
                                                                    Article IX


ments are agreed upon by the parties  hereto in regard to lighting such streets,
such  streets  shall,  upon City's  request to the Company for  lighting of such
streets,  be lighted by the  District for the account of the Company at the same
rate and  under the same  terms  and  conditions  provided  for in that  certain
contract  dated  August 21,  1951,  between  the City of Phoenix and the Central
Arizona Light and Power Company relating to City of Phoenix street lighting.

         2.  Notwithstanding  the provisions of Paragraph 10, Section D, Article
II of this  Agreement,  relating to electric  service on or near the territorial
boundaries  herein  established,  each of the parties  hereto shall  provide all
street lighting service in their respective territories; provided, however, that
where the territorial  boundaries herein  established are coincident with public
streets or  portions of public  streets,  electric  service for street  lighting
shall be rendered by the party hereto whose  territory lies on the North or East
side of such street or portion thereof; and provided further, that if in unusual
circumstances  the foregoing  provision  does not provide a logical and economic
division  of such  service,  the  parties  shall  agree as to which of them will
render street lighting service along such street or portion thereof.

                                   ARTICLE IX
                                   ----------

                             MISCELLANEOUS COVENANTS
                             -----------------------

         1. The parties hereto represent and covenant, the Company for and as to
itself,  and the District for and as to itself,  that they are validly  existing
entities under the applicable  laws of Arizona and that they have full authority
under the laws of Arizona and of the United States to enter into this  Agreement
and the power contracts  herein referred to, subject only to the satisfaction of
the conditions set out in this Agreement and the said power contracts.

         2.  The  Company  covenants  and  represents  that it is a  corporation
validly organized and existing under the laws of the State of Arizona,  and that
it will from time to time make all such filings and take
                                       55

Article IX
Article X


all such steps as may be  necessary  under said laws to continue  its  corporate
existence so long as it is obligated to fulfill the terms of this  Agreement and
the power contracts made pursuant thereto.

         3. The District  covenants and  represents  that it is an  Agricultural
Improvement  District validly organized and existing under the laws of the State
of Arizona,  and that it will take such steps as may be  necessary  from time to
time to continue  its  existence so long as it is obligated to fulfill the terms
of this Agreement and the power contracts made pursuant thereto.

         4. It is  understood  that both parties  shall be entitled from time to
time to  apply  for and  receive  any  certificates,  franchises  or  regulatory
approvals or amendments  thereof  necessary or appropriate  for the rendition of
electric service not in conflict with the terms of this Agreement.

                                    ARTICLE X
                                    ---------
                       TRANSFERS, MERGERS AND ASSIGNMENTS
                       ----------------------------------

         1. Neither party shall,  without the consent of the other party hereto,
voluntarily  donate,  sell, lease,  transfer or dispose of any operating part or
unit of its electric generation,  transmission or distribution system to a third
person  for  use  in the  production,  sale,  transmission  or  distribution  of
electricity,  except  where use of the part or unit to be sold has been or is to
be  discontinued  and it is to be removed from the  location  where it was used,
unless such third person shall be or become bound to the other party hereto:

         (a)      to observe and abide by the  restrictions  as to territory and
                  sales of electric  power and energy  imposed by the provisions
                  of  this  Agreement  upon  the  party  hereto  effecting  such
                  assignment, transfer or disposition;

         (b)      to  pay  liquidated   damages  and  be  subject  to  the  same
                  additional remedies which would be imposed by this Agreement
                                       56

                                                                       Article X


                  on  the  party   effecting   such   assignment,   transfer  or
                  disposition, in the event of violation of such territorial and
                  sales provisions; and

         (c)      not to sell, lease,  donate,  transfer or dispose of such part
                  or unit except upon  compliance  with the  provisions  of this
                  Paragraph 1, and to bind its successors and assigns in turn to
                  observe the terms,  conditions and  obligations  hereof and to
                  impose on their  successors  and  assigns  the  obligation  to
                  comply with the provisions of this Paragraph 1.

         Nothing in this  Paragraph 1 shall prevent either party from selling or
transferring  to the United States or the Arizona Power Authority any facilities
which are now or may be  installed  to  connect  with the  present  transmission
system of the Parker-Davis Project United States Department of Interior,  Bureau
of Reclamation - where:

         (a)      Such facilities are of the type ordinarily owned by either the
                  Bureau or the Authority, and

         (b)      The selling party has previously  financed them in whole or in
                  part for the purpose of facilitating receipt of service, and

         (c)      Such  sale will in no way  alter  the  service  area of either
                  party.

         Nothing herein contained shell prevent either party or any successor or
assign thereof from  transferring  property to another as security pursuant to a
mortgage or deed of trust.

         2. The parties  hereto  further agree that neither the District nor the
Company  will  voluntarily   sell,   lease,   transfer  or  dispose  of  all  or
substantially  all of their electric  generating,  transmission and distribution
system  to any  third  person  or merge or  consolidate  with or into any  third
person, unless there is included in the instrument or instruments of conveyance,
assignment,  transfer or disposition, or into the the agreement or instrument of
merger or  consolidation,  a  provision  binding  such third  person to perform,
observe and carry out the coven-
                                       57

Article X
Article XI


ants,  provisions,  terms  and  conditions  of this  Agreement  and of the power
contracts  hereinabove  referred  to and then to  effect,  and  binding  all the
successors  and assigns of such third  person in turn to observe the  conditions
hereof and to impose on such  successors  and assigns the  obligations to comply
with the provisions of this Paragraph 2.

         3.  If  all or  substantially  all of  the  properties,  facilities  or
business of either party hereto, its successors or assigns, shall be transferred
or assigned to or vested in another  person by  operation of law or by any other
means  beyond the control of such party,  the other party  hereto shall have the
option of cancelling and terminating this Agreement and the power contracts made
pursuant  hereto which are then in effect,  unless  within sixty (60) days after
such transfer of properties, facilities or business an assignment or transfer of
this Agreement to the transferee of such properties,  facilities or business has
been effected and such  transferee has undertaken to perform,  observe and carry
out the terms  and  conditions  of this  Agreement  and of the  power  contracts
entered into as provided in this Agreement and then in effect and has undertaken
to bind all its  successors  and  assigns,  in turn,  to observe the  conditions
hereof and to impose on such  successors  and assigns the  obligation  to comply
with the provisions of this Agreement.

         4. Subject to the foregoing provisions and restrictions, this Agreement
shall be binding upon,  and inure to the benefit of the parties hereto and their
respective successors and assigns.

                                   ARTICLE XI
                                   ----------

                    RESTRICTIONS ON TERMINATION OF AGREEMENT
                    ----------------------------------------

         Other than as provided to Paragraph 5, Section A of Article II, neither
party shall  declare or claim this  contract  terminated  because of a violation
thereof.
                                       58

                                                                    Article XII
                                                                    Article XIII
                                                                    Article XIV


                                   ARTICLE XII
                                   -----------

                                     NOTICES
                                     -------

         Unless the party addressed shall otherwise  consent thereto in writing,
each notice or change of address given  pursuant to this  Agreement  shall be in
writing sent by registered mail, postage prepaid and addressed:

         (a)      if to the Company,  to "The Secretary,  Arizona Public Service
                  Company,  Post Office Box 2591, Phoenix,  Arizona", or at such
                  other  address as Company  shall  have last  furnished  to the
                  District for that purpose; or

         (b)      if  to  District,  to  "The  Secretary,   Salt  River  Project
                  Agricultural  Improvement and Power District,  Post Office Box
                  1980, Phoenix,  Arizona", or at such other address as District
                  shall have last  furnished  in  writing  to  Company  for that
                  purpose.

                                  ARTICLE XIII
                                  ------------

                              CAPTIONS AND HEADINGS
                              ---------------------

         The captions or headings set out in this  Agreement  have been inserted
merely to facilitate reference and shall have no bearing upon the interpretation
of the provisions of this Agreement.

                                   ARTICLE XIV
                                   -----------

                                     WAIVERS
                                     -------

       Any waiver by a party of its rights with  respect to a violation  of this
Agreement,  or with respect to any other matter arising in connection  with this
Agreement,  shall not be deemed to be a waiver  with  respect to any  subsequent
violation or matter. No delay, short of the statutory period of limitations,  in
asserting  or  enforcing  any right  hereunder  shall be deemed a waiver of such
right.
                                       59

                                   ARTICLE XV
                                   ----------

                                    APPROVALS
                                    ---------

         This Agreement shall not become effective unless, within 180 days after
this  Agreement  and the power  contracts  referred  to in  Sections  A and D of
Article III have been executed,  the following  approvals have been obtained and
the following conditions have been fully complied with:

         1.  Secretary of Interior.  The  unqualified  written  approval of this
Agreement and said power  contracts  shall have been obtained from the Secretary
of the Interior of the United States of America.

         2. Federal Power Commission. An order shall have been obtained from the
Federal Power Commission  approving  without  qualification  any feature of this
Agreement as to which such  approval is required;  and further,  within such 180
days the power contracts  referred to in Section D of Article III have been duly
filed and have become  effective  under the rules and regulations of the Federal
Power Commission.

         3. Arizona  Corporation  Commission.  An order approving this Agreement
without  qualification  shall have been  obtained  from the Arizona  Corporation
Commission.

         IN WITNESS  WHEREOF,  the  respective  parties  hereto have caused this
instrument to be executed on their behalf by their duly authorized  officers and
their Corporate Seals to be hereunto  affixed,  all as of the day and year first
above written,

                                            SALT RIVER PROJECT AGRICULTURAL
                                            IMPROVEMENT AND POWER DISTRICT


                                            By        VICTOR I. CORBELL
                                              ----------------------------------
ATTEST:                                                   President

     A.L. MONETTE
- -----------------------------
      Secretary
                                       60

A P P R O V E D :
Jennings, Strouss, Salmon & Trask


By         J.A. RIGGINS, JR.
  ---------------------------------
             Legal Counsel
Salt River Project Agricultural
Improvement and Power District



                                            ARIZONA PUBLIC SERVICE COMPANY


                                            By       WALTER T. LUCKING
                                              ----------------------------------
                                                         President
ATTEST:

            [ILLEGIBLE]
- -----------------------------------
             Secretary



A P P R O V E D :
Snell & Wilmer

By       NICHOLAS H. POWELL
  ---------------------------------
           Legal Counsel
Arizona Public Service Company
                                       61

STATE OF ARIZONA                    )
                                    ) ss.
County of Maricopa                  )

         On this the 20th day of September,  1955, before me, Ina McWilliam, the
undersigned  officer,  personally  appeared Victor I. Corbell,  who acknowledged
himself to be the President of the Salt River Project  Agricultural  Improvement
and Power District,  a political  subdivision of the State of Arizona,  and that
he,  as  such  President  being  authorized  so to do,  executed  the  foregoing
instrument for the purposes therein  contained,  by signing the name of the Salt
River  Project  Agricultural  Improvement  and  Power  District  by  himself  as
President.

         IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                                     INA MCWILLIAM
                                        ---------------------------------------
                                                     Notary Public

My commission expires:
   August 21, 1959.

STATE OF ARIZONA                    )
                                    ) ss.
County of Maricopa                  )

         On this the 20th day of September,  1995,  before me, Mabel L. Spencer,
undersigned  officer,  personally  appeared Walter T. Lucking,  who acknowledged
himself to be the President of Arizona  Public Service  Company,  a corporation,
and that he as such President being  authorized so to do, executed the foregoing
instrument  for the  purposes  therein  contained,  by  signing  the name of the
corporation by himself as President.

         IN WITNESS WHEREOF, I hereunto set my hand and official seal.

                                                    MABEL L. SPENCER
                                        ---------------------------------------
                                                     Notary Public

My commission expires:
    June 29, 1959.
                                       62

                                   CERTIFICATE
                                   -----------

       The  undersigned,  A. L.  Monette,  Secretary  of the Salt River  Project
Agricultural  Improvement  and Power  District  thereinafter  referred to as the
"District"), hereby certifies that the following is a true and correct copy of a
resolution  duly  adopted at a special  meeting of the Board of Directors of the
District  duly held on  September  12,  1955,  in the office of the  District at
Phoenix, Arizona:

                  WHEREAS,  copies of the proposed  Agreement,  dated August 31,
       1955, between Arizona Public Service Company (hereinafter  referred to as
       the "Company") and the Salt River Project  Agricultural  Improvement  and
       Power  District  (hereinafter  referred to as the  "District")  have been
       submitted to this meeting, and

                  WHEREAS,  the Board of Directors of the District deem it to be
       in the best  interest of the District  that it enter into and perform the
       said Agreement,

                  NOW, THEREFORE, BE IT RESOLVED, that the Board of Directors of
       the District  hereby  approves the proposed  Agreement,  dated August 31,
       1955, between the District and Arizona Public Service Company, and

                  BE IT FURTHER  RESOLVED,  that the President and the Secretary
       of the District are hereby  authorized  and directed for and on behalf of
       the District to make,  execute and deliver the said Agreement in the form
       submitted  to and  approved by the Board of  Directors of the District at
       this  meeting,  subject only to such changes  therein not  affecting  the
       substance  thereof as the  President  and  Secretary  of the District may
       approve,  their  execution of the Agreement to be conclusive  evidence of
       their approval of any such changes.

       IN WITNESS WHEREOF, the undersigned has hereunto set his hand and affixed
the seal of the District this 20th day of September, 1955.


                                                    A.L. MONETTE
                                        ----------------------------------------
                                            A. L. Monette, Secretary
                                            Salt River Project Agricultural
                                            Improvement and Power District
                                       63

                             SUPPLEMENTAL AGREEMENT
                             ----------------------

         THIS SUPPLEMENTAL AGREEMENT, made by and between ARIZONA PUBLIC SERVICE
COMPANY  (APS),  and SALT  RIVER  PROJECT  AGRICULTURAL  IMPROVEMENT  AND  POWER
DISTRICT (SRP);

         W I T N E S S E T H:
         - - - - - - - - - - 

         WHEREAS,  the parties  hereto  heretofore  entered into an Agreement of
August 31, 1955,  providing certain  restrictions in regard to areas,  customers
and types of  electric  load to be served by each,  including  certain  sales at
wholesale;

         WHEREAS,  heretofore  in a  number  of  situations  involving  sales or
deliveries at wholesale of electric  power and energy,  consents have been given
by one party to the other in regard to such wholesale sales;

         WHEREAS, it is deemed advisable to adopt this SUPPLEMENTAL AGREEMENT to
eliminate any need for such consents in the future,

         NOW, THEREFORE, BE IT AGREED:

         No sale, donation or delivery of electric power and energy at wholesale
by either party shall be deemed to be a violation of the Agreement of August 31,
1955.

         IN  WITNESS   WHEREOF,   the   respective   parties  have  caused  this
Supplemental  Agreement to be executed on their behalf this 1st day of December,
1972.

                                        ARIZONA PUBLIC SERVICE COMPANY


                                        By       W. P. REILLY
                                          ----------------------------
                                                            President

ATTEST:

         WM. T. QUINSLER
- ----------------------------------
                    Secretary

                                        SALT RIVER PROJECT AGRICULTURAL
                                        IMPROVEMENT AND POWER DISTRICT


                                        By:      KARL F. ABEL
                                           ---------------------------
                                                            President

ATTEST:


- ----------------------------------
                    Secretary

STATE OF ARIZONA           )
                           )  ss
County of Maricopa         )

         On this,  the 1st day of  December,  1972,  before me, the  undersigned
officer,  personally  appeared W. P. REILLY, who acknowledged  himself to be the
President of ARIZONA PUBLIC SERVICE COMPANY, a corporation,  and that he as such
President,  being authorized so to do, executed the foregoing instrument for the
purposes therein contained, by signing the name of the corporation by himself as
President.

         IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                                MARILYN K. HENDLEY
                                          ----------------------------
                                                   Notary Public

My commission expires:

My Commission Expires June 14, 1975
- -----------------------------------

STATE OF ARIZONA           )
                           )  ss
County of Maricopa         )

         On this,  the 1st day of  December,  1972,  before me, the  undersigned
officer,  personally  appeared KARL F. ABEL, who acknowledged  himself to be the
President of SALT RIVER PROJECT  AGRICULTURAL  IMPROVEMENT AND POWER DISTRICT, a
political  subdivision of the State of Arizona,  and that he, as such President,
being  authorized so to do,  executed the foregoing  instrument for the purposes
therein  contained  by signing the name of the SALT RIVER  PROJECT  AGRICULTURAL
IMPROVEMENT AND POWER DISTRICT by himself as President.

         IN WITNESS WHEREOF, I hereunto set my hand and official seal.


                                                 DON E. SMITH
                                          ----------------------------
                                                 Notary Public

My commission expires:

My Commission Expires May 3, 1975
- ---------------------------------
                                       -2-

                          CERTIFIED COPY OF RESOLUTION
                          ----------------------------


         I, WM. T. QUINSLER, Secretary and Assistant Treasurer of ARIZONA PUBLIC
SERVICE COMPANY,  an Arizona  corporation,  HEREBY CERTIFY that, at a meeting of
the Board of Directors of said  Company,  duly convened and held on November 21,
1972,  at which a quorum  was  present  and  acting  throughout,  the  following
resolution was adopted and is now in full force and effect:

                  WHEREAS,  Arizona  Public Service  Company  (Company) and Salt
         River Project Agricultural  Improvement and Power District (Salt River)
         have  heretofore  entered into an  Agreement of August 31, 1955,  which
         contains  certain   restrictions  on  wholesale  sales,   donations  or
         deliveries of electric power and energy by either; and

                  WHEREAS,   it  is  deemed  advisable  at  this  time  that  an
         appropriate supplemental agreement or amendment be entered into between
         the Company and Salt River so as to remove any such restrictions;

                  NOW, THEREFORE,  BE IT RESOLVED that the Company enter into an
         appropriate Supplemental Agreement amending the Agreement of August 31,
         1955  between  the  Company  and the Sale  River  Project  Agricultural
         Improvement  and Power  District  so as to remove all  restrictions  on
         sales,  donations  or  deliveries  of  electric  power  and  energy  at
         wholesale by either; and

                  FURTHER RESOLVED,  that the President of the Company,  William
         P. Reilly,  be and he hereby is  authorized  and  directed,  for and on
         behalf of the  Company,  to sign,  execute  and  deliver  such  written
         agreement,  supplement or other document or instrument and to make such
         filings or take such steps as may be deemed by him to be appropriate to
         effectuate the purposes of this resolution.

         IN WITNESS  WHEREOF,  I have  hereunto set my hand and the seal of said
corporation this 28th day of November, 1972.

                                                 WM. T. QUINSLER
                                          --------------------------------------
                                          Secretary and Assistant Treasurer

                                    AGREEMENT
                                    ---------


         IT IS HEREBY AGREED between ARIZONA PUBLIC SERVICE COMPANY and the SALT
RIVER PROJECT AGRICULTURAL  IMPROVEMENT AND POWER DISTRICT that the Agreement of
August 31, 1955 between them, and the Power Coordination  Agreement of September
15, 1955 between  them,  became  effective on March 13, 1956,  on which date the
Arizona Corporation  Commission issued an order which satisfied the requirements
of  paragraph  3 of  Article  XV of  the  Agreement  of  August  31,  1955,  the
requirements of paragraphs 1 and 2 of said Article XV, relating to the Secretary
of  the  Interior  and  the  Federal  Power  Commission,   respectively,  having
theretofore been satisfied.

         Dated:  May 15th, 1957.

                                        ARIZONA PUBLIC SERVICE COMPANY



                                        By
                                          ----------------------------
                                                  Vice President

ATTEST:



- ----------------------------
    Assistant Secretary


                                        SALT RIVER PROJECT AGRICULTURAL
                                        IMPROVEMENT AND POWER DISTRICT


                                        By
                                          ----------------------------
                                                  President

ATTEST:


- ----------------------------
          Secretary

                                    Exhibit 1


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 1 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II,  Section B,  Paragraph 1, in contract dated ________ 1955 between
the Salt River  Project  Agricultural  Improvement  and Power  District  and the
Arizona Public Service Company.

                                    Exhibit 2


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 2 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II,  Section B,  Paragraph  ____,  in contract  dated  ________  1955
between the Salt River Project  Agricultural  Improvement and Power District and
the Arizona Public Service Company.

                                    Exhibit 3


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 3 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C, Paragraph  1(a) (Phoenix,  Arizona area),  in contract
dated August 31, 1955 between the Salt River  Project  Agricultural  Improvement
and Power District and the Arizona Public Service Company.

                                    Exhibit 4


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 4 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C, Paragraph  1(b)(1)  (Chandler area), in contract dated
August 31, 1955  between the Salt River  Project  Agricultural  Improvement  and
Power District and the Arizona Public Service Company.

                                    Exhibit 5


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 5 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C, Paragraph  1(b)(2)  (Gilbert  area), in contract dated
August 31, 1955  between the Salt River  Project  Agricultural  Improvement  and
Power District and the Arizona Public Service Company.

                                    Exhibit 6


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 6 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C, Paragraph  1(b)(3)  (Glendale area), in contract dated
August 31, 1955  between the Salt River  Project  Agricultural  Improvement  and
Power District and the Arizona Public Service Company.

                                    Exhibit 7


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 7 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C,  Paragraph  1(b)(4)  (Peoria area),  in contract dated
August 31, 1955  between the Salt River  Project  Agricultural  Improvement  and
Power District and the Arizona Public Service Company.

                                    Exhibit 8


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 8 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C, Paragraph 1(b)(5) (Scottsdale area), in contract dated
August 31, 1955  between the Salt River  Project  Agricultural  Improvement  and
Power District and the Arizona Public Service Company.

                                    Exhibit 9


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 9 to Exhibit  10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II,  Section C,  Paragraph  1(b)(6)  (Tempe area),  in contract dated
August 31, 1955  between the Salt River  Project  Agricultural  Improvement  and
Power District and the Arizona Public Service Company.

                                   Exhibit 10


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 10 to Exhibit 10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C,  Paragraph  1(c)(1)  (Borden Plant area),  in contract
dated August 31, 1955 between the Salt River  Project  Agricultural  Improvement
and Power District and the Arizona Public Service Company.

                                   Exhibit 11


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 11 to Exhibit 10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article II, Section C, Paragraph  1(c)(2),  in contract dated August 31, 1955
between the Salt River Project  Agricultural  Improvement and Power District and
the Arizona Public Service Company.

                                   Exhibit 12


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 12 to Exhibit 10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article  III,  Section A,  Paragraph  5, in  contract  dated  August 31, 1955
between the Salt River Project  Agricultural  Improvement and Power District and
the Arizona Public Service Company.

                                   Exhibit 13


         In  accordance  with  Item  304 of  Regulation  S-T  of the  Securities
Exchange  Act of 1934,  Exhibit 13 to Exhibit 10.1  contained  in the  Company's
Quarterly  Report on Form 10-Q for the fiscal  quarter ended March 31, 1998 is a
map interpreting metes and bounds description of territorial  boundary set forth
in Article  III,  Section A,  Paragraph 6  (Camelback  area,  north of Camelback
Mountain),  in contract  dated  August 31, 1955  between the Salt River  Project
Agricultural  Improvement  and Power  District  and the Arizona  Public  Service
Company.