Execution Copy

                                                                Document No. P-5






                               PVNGS CAPITAL TRUST









                            VARIABLE RATE TRUST NOTES



                              PVNGS NOTE AGREEMENT



                            Dated as of July 31, 1998






                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----

1.   AUTHORIZATION OF ISSUE OF NOTES..........................................1

2.   PURCHASE AND SALE OF NOTES...............................................1

3.   CONDITIONS OF CLOSING....................................................2
     3A.   Notes..............................................................2
     3B.   Representations and Warranties; No Default.........................2
     3C.   Trust Agreement in Effect..........................................2
     3D.   No Material Adverse Change.........................................2
     3E.   Purchase Permitted By Applicable Laws..............................2
     3F.   Proceedings........................................................2

4.   PREPAYMENTS; ADDITIONAL DRAWDOWNS........................................2
     4A.   Scheduled Mandatory Prepayments....................................3
     4B.   Unscheduled Mandatory Prepayments..................................3
     4C.   Optional Prepayments...............................................3
     4D.   Notice of Optional Prepayment......................................3
     4E.   Retirement of Notes................................................4
     4F.   Additional Drawdowns...............................................4
     4G.   Interest Rebate....................................................4

5.   COVENANTS................................................................5
     5A.   Statements and Other Reports.......................................5
     5B.   Inspection of Property.............................................5
     5C.   Existence..........................................................5
     5D.   Payment of Taxes and Claims........................................5

6.   EVENT OF DEFAULT.........................................................5
     6A.   Acceleration.......................................................6
     6B.   Other Remedies.....................................................6
     6C.   Nature of Obligation...............................................6
     6D.   No Contest; Waiver, etc............................................6

7.   REPRESENTATIONS, COVENANTS AND WARRANTIES................................7
     7A.   Organization.......................................................7
     7B.   Authorization......................................................7
     7C.   Actions Pending....................................................7
     7D.   Title to Properties................................................7
     7E.   Conflicting Agreements and Other Matters...........................7
     7F.   Offering of Notes..................................................8
     7G.   Regulation G, Etc..................................................8
     7H.   Governmental Consent...............................................8


                                       ii

                                                                            Page
                                                                            ----


8.   COVENANTS OF THE TRUSTEE IN ITS INDIVIDUAL CAPACITY......................8

9.   REPRESENTATIONS AND COVENANTS OF EACH PURCHASER..........................8
     9A.   Purchase not for Distribution......................................8
     9B.   No ERISA Funds.....................................................8
     9C.   Notice of Reset....................................................9

10.  DEFINITIONS..............................................................9

11.  MISCELLANEOUS...........................................................10
     11A.  Course of Dealing.................................................10
     11B.  Persons Deemed Owners.............................................10
     11C.  Survival of Representations and Warranties; Entire Agreement......10
     11D.  Successors........................................................10
     11E.  Disclosure to Other Persons.......................................10
     11F.  Notices...........................................................11
     11G.  Limitation of Liability and Trustee's Obligations.................11
     11H.  Descriptive Headings..............................................11
     11I.  Governing Law.....................................................11
     11J.  Counterparts......................................................11

ANNEX

Annex I  - Note Information


EXHIBITS

Exhibit A - Form of Note

     Schedule I - Principal Prepayment Schedule

     Schedule II - Prepayment Premium Schedule

Exhibit B - Form of Notice of Reset

Exhibit C - Sample Interest Rate Reset Calculation


                                       ii





                               PVNGS CAPITAL TRUST
                       c/o The Bank of New York (Delaware)
                                White Clay Center
                             Newark, Delaware 19711
                              Phone: (302) 451-2500

                                                            As of July 31, 1998

Public Service Company of New Mexico
Alvarado Square
Albuquerque, New Mexico 87158
Attention of Treasurer

Gentlemen:

         PVNGS Capital Trust, a Delaware statutory business trust (the "Trust"),
hereby  agrees  with  Public  Service  Company  of  New  Mexico,  a  New  Mexico
corporation ("PNM"), as follows:

         1.  AUTHORIZATION  OF ISSUE OF NOTES.  The governing  instrument of the
Trust (the Amended and Restated  Declaration of Trust dated as of July 31, 1998;
hereinafter,  the "Trust  Agreement")  authorizes the Trust to issue notes under
this Agreement,  in substantially  the form of EXHIBIT A hereto, in an aggregate
principal amount equal to $419,817,809.24. The term "Notes" as used herein shall
include each Note delivered pursuant to any provision of this Agreement and each
Note  delivered  in  substitution  or  exchange  for any  such  Note.  The  term
"Purchaser" as used herein shall mean PNM or any registered  owner of a Note and
the term "Purchasers" shall mean PNM and all registered owners of Notes, in each
case  except as  otherwise  indicated.  Capitalized  terms used  herein  without
definition shall have the respective  meanings  specified in the Trust Agreement
as in effect on the date hereof.

         2.  PURCHASE AND SALE OF NOTES.  (a) The Trust hereby agrees to sell to
PNM and, subject to the terms and conditions herein set forth, PNM hereby agrees
to purchase  from the Trust the Notes more  particularly  identified in Annex I,
each at a purchase price equal to the principal amount thereof.  Each Note shall
bear  interest from the "Interest  Start Date" as set forth  therein.  The Trust
will  deliver to PNM, at the offices of Winthrop,  Stimson,  Putnam & Roberts at
One Battery Park Plaza,  New York,  New York, on August 6, 1998, or on any other
date upon which the Trust and PNM may  mutually  agree (the "Date of  Closing"),
the  Notes  registered  in  PNM's  name  in the  denomination  or  denominations
specified by PNM, against payment of the purchase price thereof.

         (b) Each Note corresponds to either one (in the case of Owner Trust No.
1) or two Trust Lessor Notes as follows:  the designation  given each note under
the caption  "Tranche  Designation" on Annex I is comprised of a number followed
by a "/" and one or more letters and, in two cases, a number.  The letter(s) and
number  (if any)  following  the "/"  correspond  to the  designation  given the
corresponding  Trust  Lessor  Notes  in  Schedules  I-A  and  I-B to  the  Trust
Agreement.   Notwithstanding  the  foregoing,  all  Notes  are  equally  general
unsecured  obligations of the Trust payable in accordance with their  respective
terms and this Agreement.



         3. CONDITIONS OF CLOSING.  PNM's obligation to purchase and pay for the
Notes on the date of closing is  subject to the  satisfaction,  on or before the
date of closing, of the following conditions:

                  3A.  Notes.  There  shall  have  been  delivered  to  PNM  the
appropriate  Notes, duly completed and executed by the Regular Trustee on behalf
of the Trust.

                  3B.   Representations   and   Warranties;   No  Default.   The
representations  and  warranties of the Trust  contained in paragraph 7 shall be
true on and as of the  date of  closing  and  there  shall  exist on the date of
closing no Event of Default.

                  3C. Trust Agreement in Effect. The Trust Agreement shall be in
full force and effect.

                  3D. No Material Adverse Change.  There shall not have occurred
any  condition,  event or act which would  materially  and adversely  affect the
property or assets,  condition (financial or otherwise) or the activities of the
Trust or the  ability of the Trust to repay the Notes or to  perform  under this
Agreement.

                  3E. Purchase Permitted By Applicable Laws. The purchase of and
payment for the Notes to be purchased by PNM on the date of closing on the terms
and conditions herein provided  (including the use of the proceeds of such Notes
by the Trust) shall not violate any  applicable law or  governmental  regulation
(including,  without limitation,  section 5 of the Securities Act or Regulations
G, T or X of the Board of Governors of the Federal  Reserve  System),  and shall
not subject PNM to any tax, penalty, liability, or other onerous condition under
or pursuant to any applicable law or governmental regulation, and PNM shall have
received  such  certificates  or other  evidence as it may request to  establish
compliance with this condition.

                  3F.  Proceedings.  All  proceedings  taken  or to be  taken in
connection with the transactions  contemplated hereby and all documents incident
thereto shall be  satisfactory  in substance and form to PNM, and PNM shall have
received  all such  counterpart  originals  or certified or other copies of such
documents as it may reasonably request.

         4.  PREPAYMENTS;  ADDITIONAL  DRAWDOWNS.  Each Note shall be subject to
prepayment with respect to the required  prepayments  specified in paragraphs 4A
and 4B,  and also  under  the  circumstances  set  forth in  paragraph  4C.  The
principal amount owing on each Note may be increased from time to time under the
circumstances  set  forth in  paragraph  4F.  PNM and the  Trust  shall  jointly
maintain a master  schedule  showing such  prepayments and increases (if any) in
respect of the Notes,  individually and in the aggregate. Such schedule shall be
updated on the date of each such prepayment or increase.

                                       2


                  4A.  Scheduled  Mandatory  Prepayments.  Each tranche of Notes
shall be prepaid in  accordance  with  Schedule  I attached  thereto;  provided,
however,  that if the payment of  principal  which is received by the Trust (the
"Actual  Principal  Payment")  on the  corresponding  Trust  Lessor Note tranche
specified on said Schedule I exceeds the principal amortization amount specified
for that date on said  Schedule I for such tranche of Notes,  the  prepayment of
such  Notes  required  to be made on that date shall be  increased  by an amount
equal to 94% of such excess (but not by an amount  greater than the  outstanding
principal amount of such tranche of Notes).  If the Actual Principal  Payment is
less than the  principal  amortization  amount  specified  for that date on said
Schedule I for such tranche of Notes,  the required  prepayment shall be reduced
(but not to less than zero) by an amount equal to 94% of the shortfall.  In each
instance  where there is an  increase  or  reduction  in the  prepayment  amount
specified on said  Schedule I, the amount of the increase or  reduction,  as the
case may be, shall be noted on said Schedule I by the affected Purchasers.

                  4B. Unscheduled  Mandatory  Prepayments.  Whenever (i) a Trust
Lessor Note (A) is prepaid,  in whole or in part,  other than in accordance with
its scheduled  amortization,  or (B) is sold by the Trust or (ii) any other debt
security previously  acquired by the Trust (including a Replacement  Security as
hereinafter  defined) is sold or subject,  in whole or in part,  to  prepayment,
purchase,   redemption  or  other  unscheduled  payment  or  distribution,   the
corresponding  Note  shall be  prepaid  in an  amount  not less  than 94% of the
Accrued Book Value of such Trust Lessor Note or other debt security, or relevant
portion or  portions  thereof  (or,  at the  option of the  Trust,  in a greater
amount, up to 100% of the available funds received after deducting therefrom any
interest or premium payable with respect to the affected Note in connection with
the application of such funds) within thirty-five (35) days of the date on which
the Trust  receives  such funds,  at a redemption  price equal to the  principal
amount of the Notes to be prepaid, together with interest accrued thereon to the
date of redemption,  plus the Mandatory Redemption Premium set forth on Schedule
II to such Notes (except in case of a prepayment  under clause (i)(A) above,  in
which case there shall be no premium); provided, however, that this paragraph 4B
shall not apply,  and no redemption  shall be required,  if: (i) the  securities
being  sold  are  replaced  by a like  principal  amount  of  non-callable  debt
securities  (the  "Replacement  Securities")  rated  at  least  as  high  as the
securities they replace,  but no lower than A (or a gradation thereof),  by both
Moody's  Investors  Service,  Inc. and Standard & Poor's  Investor  Services,  a
division of The McGraw-Hill Companies, Inc. ("Standard & Poor's"), (ii) the time
and amount of debt  service  payments on such  Replacement  Securities  (without
regard to any reinvestment thereof) will permit debt service payments to be made
in full on the Notes when due without  regard to the  adjustments  permitted  by
Section  4A hereof  and  (iii) no more than 5% of the value of such  Replacement
Securities and any other Replacement Securities acquired by the Trust represents
securities of any one issuer or affiliates thereof.

                  4C. Optional Prepayments.  A Note may be prepaid, in whole but
not in part,  on any  interest  payment  date  occurring  on or  after  the date
specified  in  Schedule  II to such  Note at a price  equal  to the  outstanding
principal  amount of such Note,  together with accrued  interest  thereon to the
date of redemption,  plus the Optional  Redemption Premium, if any, set forth on
such Schedule II.

                                       3


                  4D.  Notice of Optional  Prepayment.  The Trust shall give the
holder of each Note  notice of any  prepayment  pursuant  to Section 4C at least
five days prior to any such  prepayment.  Any notice given under this Section 4D
may be revoked (and no prepayment  shall be required) not less than  twenty-four
hours prior to the applicable prepayment.

                  4E. Retirement of Notes. Except as provided in this Agreement,
the Notes may not be  redeemed,  prepaid or  otherwise  retired,  in whole or in
part, prior to their stated final maturity.

                  4F.  Additional  Drawdowns.  In the  event  that  a  scheduled
mandatory prepayment of a Note (as contemplated by Section 4A hereof) is reduced
to zero,  the amount,  if any, that such  mandatory  prepayment  would have been
reduced  below zero but for the fact that no reduction  below zero is permitted,
shall be treated as an Additional  Drawdown as of the mandatory  prepayment date
and  shall  be  recorded  as such on  Schedule  I to such  Note by the  affected
Purchaser.  All amounts  shown on Schedule I to a particular  Note as Additional
Drawdowns, whether because of the reduction alluded to above or because of being
set forth  thereon at the time of the issuance of such Note,  shall be deemed to
be an increase in the outstanding  principal  amount of the Note effective as of
the date of such  Additional  Drawdown.  Any Additional  Drawdown shall first be
credited to payments of interest  then due and owing on the Notes  before  being
applied to any other purpose. To the extent Additional Drawdowns are credited to
payments of interest on a Note,  such interest shall be deemed to be paid and no
longer owing.

                  4G. Interest Rebate. In the event that a Specified  Prepayment
(as  hereinafter  defined)  shall  occur,  then,  on the date of such  Specified
Prepayment,  the interest  paid on the  corresponding  Note to the owner thereof
during  the  twelve  month  period  ending on the date of such  prepayment  (the
"Rebate  Period")  shall be  rebated  on or  before  the date of such  Specified
Prepayment by the registered  owner of such  corresponding  Note to the Trust to
the extent (if any) of the  excess of (A) the  Accrued  Book Value of such Trust
Lessor Note over (B) the proceeds of such Specified  Prepayment (or the pro rata
portion of such  Accrued  Book Value in the event that the Trust  Lessor Note in
question  has been  prepaid in part only).  In the event that a Note  subject to
interest rebate shall have been owned by more than one registered owner during a
Rebate Period,  each owner shall  contribute to the required  rebate pro rata in
accordance with the actual interest  actually  received by it during such Rebate
Period, however, insofar as the Trust shall be concerned,  each such owner shall
be liable for the amount of the rebate in question (and the Trust shall have the
right to offset  from  amounts due on the Note in respect of which the rebate is
due). In the event that an obligated  owner shall fail to contribute as provided
in the  immediately  preceding  sentence,  upon  payment in full of the required
rebate by one or more other  owners,  such other owners shall be  subrogated  to
claims against the defaulting owner.  "Specified Prepayment" is (i) any optional
prepayment of principal of Trust Lessor Notes, (ii) any mandatory  prepayment of
principal  pursuant  to the  Indenture  referenced  in the Trust  Lessor Note in
question, (iii) any purchase of the Trust Lessor Note pursuant to Section 6.8(b)
of the  Indenture  referenced  in such  Trust  Lessor  Note and  (iv) any  other
repayment  or  prepayment  of principal of the Trust Lessor Note in question (it
being the intent of the parties  hereto that a  Specified  Prepayment  shall not
include the payment of regularly scheduled installments of principal as provided
on such  Trust  Lessor  Note).  Anything  in  this  Section  4G to the  contrary
notwithstanding, no rebate shall be due (I) to the extent that any excess of (A)
over (B) shall have  arisen from the Trust  Lessor  Note in question  not having
been  paid when and as  contemplated  thereby  and by the  related  Lessor  Note
Documentation  or (II) in connection with any repayment  (other than a repayment
in full of the Trust Lessor Note in question) occurring during, or in connection
with, a "Lease Event of Default" of the type specified in Section 15(vii) of any
Facility Lease (Section  15(viii) in the case of the Facility Leases dated as of
August 12, 1986)  comprising part of the Lessor Note  Documentation  relating to
the Trust Lessor Note in question.

                                       4


         5.       COVENANTS.

                  5A.  Statements and Other Reports.  The Trust will maintain or
cause to be  maintained  complete and accurate  books of account with respect to
all of the  receipts,  disbursements  and  transactions  of the  Trust  and will
deliver to the holder of the Notes, with reasonable  promptness,  such financial
data or information as any such holder may reasonably request.

                  5B.  Inspection of Property.  The Trust covenants that it will
permit any Person  designated  by a Purchaser,  upon two (2) Business Days prior
notice to the Regular Trustee, to visit and inspect any of the properties of the
Trust,  to examine the books and financial  records of the Trust and make copies
thereof or extracts therefrom and to discuss the affairs,  finances and accounts
of the  Trust  with  the  officers  of  the  Regular  Trustee  and  the  Trust's
independent  public  accountants or other experts which it has retained,  all at
such reasonable times during normal business hours of the Regular Trustee and as
often as a Purchaser may reasonably request.

                  5C.  Existence.  The Trust will (i) do or cause to be done all
things necessary to preserve and keep in full force and effect the existence and
rights  of the  Trust  and  to  comply  with  all  laws  and  government  rules,
regulations  and orders  applicable to the Trust and (ii) at all times maintain,
preserve and protect all franchises,  rights,  licenses and other authorizations
and  preserve  all of the  property  necessary  for the  conduct of the  Trust's
activities.

                  5D. Payment of Taxes and Claims. The Trust will pay all taxes,
assessments and other governmental charges imposed upon any of the properties or
assets of the Trust before the same become  delinquent,  and all claims for sums
which have  become due and payable and which by law have or may become a Lien or
charge upon any of such  properties  or assets,  provided that no such charge or
claim need be paid if being  contested in good faith by appropriate  proceedings
promptly  initiated  and  diligently  conducted  if (i) such  proceedings  shall
suspend during their pendency the collection  thereof from any Person,  and (ii)
none of such  properties  or assets or any  interest  therein  would  thereby be
subject to a material risk of being sold, forfeited,  confiscated,  condemned or
lost.

         6.  EVENT OF  DEFAULT.  It shall be an Event of  Default  if the  Trust
defaults in the payment of principal or interest on any Note when the same shall
become due by the terms thereof or by mandatory prepayment or otherwise and such
default shall continue for 5 Business Days;  provided,  however,  that, prior to
the Cross-Over  Date, it shall not be an Event of Default under this  Agreement,
and the Notes  shall not be subject  to  acceleration,  during  such time as (i)
PNM's  senior  unsecured  notes  are rated B2 or  better  by  Moody's  Investors
Service, Inc. or B or better by Standard & Poor's, unless the Trust's failure to
pay extends for more than 180 consecutive days and (ii) the Trust's  non-payment
in respect of a Note results from a failure by PNM to pay scheduled installments
of rent under the Lessor Note Documentation  relating to the corresponding Trust
Lessor Note.  Interest on overdue  principal  and  premium,  if any, and (to the
extent permitted by applicable law) any overdue interest on a Note shall be paid
from  the due date  thereof  at the  rate  per  annum  equal to 1% plus the then
applicable  interest  rate on such  Note for the  period  during  which any such
principal,  premium  or  interest  shall be  overdue;  provided,  however,  that
interest on overdue  amounts shall be payable only to the extent the Trust shall
have  indefeasibly  received interest on overdue amounts in respect of the Trust
Lessor Note that corresponds to such Note.

                                       5


                  6A. Acceleration.  If an Event of Default shall have occurred,
the holder of the Notes may at its  option,  by notice in writing to the Regular
Trustee,  declare  all of the Notes  held by such  holder to be,  and all of the
Notes held by such holder  shall  thereupon be and become,  immediately  due and
payable  together with interest accrued thereon,  without  presentment,  demand,
protest  or other  notice of any kind,  all of which  are  hereby  waived by the
Trust.

                  6B. Other Remedies.  If an Event of Default shall occur and be
continuing,  the  holder of the Notes may  proceed to protect  and  enforce  its
rights under this  Agreement and such Notes by  exercising  such remedies as are
available to such holder in respect thereof under applicable law, either by suit
in equity or by action at law, or both, whether for specific  performance of any
covenant  or  other  agreement  contained  in  this  Agreement  or in aid of the
exercise of any power  granted in this  Agreement.  No remedy  conferred in this
Agreement  upon the holder of the Notes is intended to be exclusive of any other
remedy,  and each and every  such  remedy  shall be  cumulative  and shall be in
addition to every other remedy conferred herein or now or hereafter  existing at
law or in equity or by statute or  otherwise.  Anything  to the  contrary in the
foregoing  notwithstanding,  no  remedy  which  would do other  than  cause  the
liquidation  of the assets of the Trust  shall be  available  to a holder of the
Notes.

                  6C.  Nature  of  Obligation.  The  obligations  of  the  Trust
hereunder  and  under the  Notes  (the  "Obligations")  are  general  unsecured,
unsubordinated  obligations of the Trust; the holders of the obligations as such
have no interest,  beneficial  or otherwise,  in the property of the Trust.  The
Trust will duly and  punctually  pay, or cause to be paid, the principal of, and
premium,  if any, and interest on the  Obligations in accordance  with the terms
thereof.  Anything in this  Agreement or in the Trust  Agreement to the contrary
notwithstanding  (other  than  Section  11G),  the  right  of any  holder  of an
obligation  to receive  payment of the  principal  of, and premium,  if any, and
interest  on or after  the  respective  due  dates  thereof  (as the same may be
postponed in accordance with the terms of the Obligations), or to institute suit
for enforcement of any such payment on or after such respective dates, shall not
be impaired or affected without the consent of such Holder.

                  6D. No Contest; Waiver, etc. Each Purchaser (i) agrees that it
will not, nor will it permit any  Affiliate of such  Purchaser to, (x) object to
or otherwise contest,  in any manner, the eligibility of the Trust under Section
109 of the  Bankruptcy  Code (or any successor  provision)  to commence,  be the
subject  of,  or be the  debtor  in a Chapter  11 or  Chapter  7 case  under the
Bankruptcy  Code  including,  but without  limitation,  whether or not the Trust
constitutes a "person",  "corporation" or "business trust" within the meaning of
Section 101 of the Bankruptcy Code (or any successor  provision),  or (y) seek a
dismissal or conversion  from Chapter 11 to Chapter 7 of any such case,  (ii) to
the extent  permitted by  applicable  law,  hereby  waives any right it may have
under Sections  1104(a)(1)  and (a)(2) of the Bankruptcy  Code (or any successor
provision) to seek  appointment of a trustee for the Trust except for reasons of

                                       6


fraud,   dishonesty  or  gross   incompetence,   misconduct,   mismanagement  or
irregularity  in  the  management  of  the  affairs  of the  debtor  by  current
management (collectively, "Stipulated Cause") and, (iii) to the extent permitted
by applicable  law, hereby waives any right it may have under Section 1104(b) of
the  Bankruptcy  Code (or any  successor  provision) to seek  appointment  of an
examiner  for the Trust  other than to  investigate  allegations  of  Stipulated
Cause.  Without  limiting the  generality of Section 11B hereof,  each Purchaser
further  agrees that it will not sell,  assign or  transfer  any Note unless the
purchaser,  assignee or  transferee,  as the case may be,  shall have  expressly
agreed to this Section 6D.

         7.  REPRESENTATIONS,  COVENANTS AND WARRANTIES.  The Trust  represents,
covenants and warrants:

                  7A.  Organization.  The Trust is a validly  existing  business
trust duly  created  under the laws of the State of Delaware and under the Trust
Agreement,  and the Trust has the legal power to own its  property  and to carry
out the transactions contemplated hereunder.

                  7B.  Authorization.  The Trust has the legal capacity to enter
into this  Agreement,  and to issue  the  Notes.  The  execution,  delivery  and
performance  of this  Agreement  and the  issuance  of the Notes are  within the
powers of the Trust  under the Trust  Agreement.  All  action on the part of the
Trust necessary for the  authorization,  execution,  delivery and performance of
all  obligations of the Trust under this Agreement and the Notes has been taken.
This  Agreement  and the Notes have been duly executed and delivered by, and are
the legal, valid and binding  obligations of, the Trust, and each is enforceable
against  the Trust in  accordance  with its  terms,  except as may be limited by
bankruptcy,  insolvency or similar laws  affecting the  enforcement of creditors
rights in general and by general principles of equity, and each is in full force
and effect.

                  7C. Actions Pending.  There is no action, suit,  investigation
or proceeding pending or, to the knowledge of the Trust,  threatened against the
Regular  Trustee,  as such,  or the Trust,  or any  properties  or rights of the
Regular  Trustee,  as such, or the Trust, by or before any court,  arbitrator or
administrative or governmental body.

                  7D.  Title to  Properties.  The  Trust  has good  title to its
properties  and  assets,  subject  to no Lien of any  kind  other  than the Lien
granted in Section 9.6 of the Trust Agreement.

                  7E. Conflicting Agreements and Other Matters. The Trust is not
a party to any contract or agreement which might materially and adversely affect
the property or assets of the Trust or the condition (financial or otherwise) of
the Trust or might have a material adverse effect on the ability of the Trust to
perform  under this  Agreement or to repay the Notes.  Neither the execution nor
delivery of this Agreement or the Notes nor  fulfillment of nor compliance  with
the terms and  provisions  hereof and thereof will conflict with, or result in a
breach of, the terms,  conditions  or  provisions  of, or  constitute  a default
under, or result in any violation of, or result in the creation of any Lien upon
any of the  properties or assets of the Trust  pursuant to, the Trust  Agreement
(other than the Lien granted in Section 9.6 of the Trust  Agreement),  any award
of any  arbitrator  or  any  agreement,  instrument,  order,  judgment,  decree,
statute, law, rule or regulation to which the Trust is subject.

                                       7



                  7F. Offering of Notes.  Neither the Trust nor any agent acting
on its behalf  has,  directly  or  indirectly,  offered the Notes or any similar
security of the Trust for sale to, or  solicited  any offers to buy the Notes or
any similar  security of the Trust from,  or otherwise  approached or negotiated
with respect thereto with, any Person other than PNM and neither the Trustee nor
any agent  acting on its behalf has taken or will take any  action  which  would
subject the issuance or sale of the Notes to the  provisions of section 5 of the
Securities  Act or to the  provisions  of any  securities or blue sky law of any
applicable jurisdiction.

                  7G.  Regulation  G, Etc.  The  Trust  does not own or have any
present intention of acquiring any "margin stock" as defined in Regulation G (12
CFR Part 207) of the Board of Governors of the Federal  Reserve  System  (herein
called "margin stock").  None of the proceeds from the sale of the Notes will be
used, directly or indirectly, for the purpose, whether immediate,  incidental or
ultimate,  of  purchasing  or  carrying  any margin  stock or for the purpose of
maintaining, reducing or retiring any indebtedness which was originally incurred
to purchase or carry any stock that is currently a margin stock or for any other
purpose which might  constitute this  transaction a "purpose  credit" within the
meaning of such  Regulation  G.  Neither  the Trust nor any agent  acting on its
behalf has taken or will take any action which might cause this Agreement or the
Notes to violate Regulation G, Regulation T or any other regulation of the Board
of Governors of the Federal Reserve System or to violate the Securities Exchange
Act of  1934,  as  amended,  in each  case as in  effect  now or as the same may
hereafter be in effect.

                  7H. Governmental Consent. Neither the nature of the Trust, nor
any of its activities or properties,  nor any  relationship  between the Regular
Trustee or the Trust and any other Person,  nor any  circumstance  in connection
with the offering, issuance, sale or delivery of the Notes is such as to require
any authorization,  consent, approval, exemption or other action by or notice to
or filing with any court or  administrative  or governmental  body in connection
with the execution and delivery of this Agreement.

         8. COVENANTS OF THE TRUSTEE IN ITS INDIVIDUAL CAPACITY. The Bank of New
York ("BNY") in its individual  capacity covenants that it will, at its own cost
and expense, promptly take such action as may be necessary to duly discharge any
Liens on any part of the properties and assets of the Trust  resulting from acts
of or claims  against BNY in its  individual  capacity  arising out of events or
conditions not related to or connected with the ownership and  administration of
the properties and assets of the Trust or any  transaction  contemplated  by the
Trust Agreement or the Notes.

         9.       REPRESENTATIONS AND COVENANTS OF EACH PURCHASER.

                  9A. Purchase not for Distribution.  Each Purchaser represents,
and it is  specifically  understood  and  agreed,  that  such  Purchaser  is not
acquiring  the Notes to be purchased by it hereunder  with a view to or for sale
in connection with any distribution thereof within the meaning of the Securities
Act.

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                  9B. No ERISA Funds. Each Purchaser  represents that no part of
the  funds  being  used by it to pay  the  purchase  price  of the  Notes  being
purchased by it hereunder  constitutes  assets allocated to any separate account
maintained by the Purchaser in which any employee  benefit plan  participates to
the  extent of 10% or more.  For the  purpose  of this  paragraph  9B,  the term
"separate account" and "employee benefit plan" shall have the respective meaning
specified in section 3 of ERISA.

                  9C.  Notice of Reset.  Not sooner  than 120 days and not later
than 60 days prior to each Reset Date (as  defined in the Notes) the  Purchasers
shall give notice,  in the form attached  hereto as EXHIBIT B, to each holder of
Class B Securities of the Trust of such Reset Date and of such holder's right to
propose that the Formula Rate be reduced by a factor specified by such holder to
the  Purchasers  within 30 days of receipt of such  notice.  So long as Citicorp
North America, Inc. holds any of the Class B Securities of the Trust such notice
shall be sent to:

                  Citibank, N.A.
                  Global Energy & Power Group Utilities
                  399 Park Avenue
                  4th Floor, Zone 20
                  New York, New York  10043

and to:

                  Citicorp North America, Inc.
                  Asset Finance Group/Risk Manager
                  399 Park Avenue
                  6th Floor, Zone 3
                  New York, New York  10043

or to such other  address or addresses as Citicorp  North  America,  Inc.  shall
specify to the  Purchasers.  Attached  as EXHIBIT C hereto is a sample  interest
rate reset calculation.

         10. DEFINITIONS.  For the purpose of this Agreement,  the terms defined
in the paragraphs above shall have the respective  meanings  specified  therein,
and the  following  terms shall have the meanings  specified  below with respect
thereto:

                  "Business  Day" shall mean any day other  than a  Saturday,  a
         Sunday or any other day on which banking  institutions in New York, New
         York, or  Albuquerque,  New Mexico are authorized or required by law to
         close.

                  "Cross-Over  Date"  means the date on which  the Trust  Lessor
         Notes first comprised less than 66-2/3% of the assets of the Trust.

                  "ERISA" shall mean the Employee Retirement Income Security Act
         of 1974, as amended.

                                       9


                  "Event of Default" shall mean the event specified in paragraph
         6, provided that there has been satisfied any requirement in connection
         with such event for the lapse of time or the  happening  of any further
         condition.

                  "Lien" shall mean any  mortgage,  pledge,  security  interest,
         encumbrance,  lien or charge of any kind  (including  any  agreement to
         give  any of  the  foregoing,  any  conditional  sale  or  other  title
         retention agreement, any lease in the nature thereof, and the filing of
         or  agreement  to  give  any  financing  statement  under  the  Uniform
         Commercial Code of any jurisdiction).

                  "Person" shall mean and include an individual,  a partnership,
         a joint venture,  a corporation,  a company, a trust, an unincorporated
         organization and a government or any department or agency thereof.

                  "Securities  Act" shall mean the  Securities  Act of 1933,  as
         amended.

         11.      MISCELLANEOUS.

                  11A. Course of Dealing. No course of dealing between the Trust
and the holder of the Notes nor any delay in exercising any rights  hereunder or
under the Notes  shall  operate  as a waiver of any  rights of any holder of the
Notes.

                  11B. Persons Deemed Owners.  The Trust may treat the Person in
whose name any Note is registered on the note register maintained by the Trustee
for that  purpose,  as the owner and  holder  of such  Note for the  purpose  of
receiving payment of principal of and premium, if any, and interest on such Note
and for all  other  purposes  whatsoever,  whether  or not  such  Note  shall be
overdue,  and the Regular Trust shall not be affected by notice to the contrary.
No Person may become a registered or  beneficial  holder of a Note unless (A)(I)
such Person is already a holder or an Affiliate of a holder or (II)(i) the Trust
and each  holder of Class B  Securities  shall  have been given at least 10 days
prior written notice of the proposed transfer, (ii) the Trust and each holder of
Class B Securities shall have been provided with any information  concerning the
proposed transferee that it shall have reasonably requested,  (iii) after giving
effect to such  transfer,  there shall be no more than  twenty  holders of Notes
issued  pursuant to this Agreement,  (iv) such Person is a bank,  trust company,
institutional  investor  or other  Person  having  a net  worth  (determined  in
accordance with generally accepted accounting practices) of at least $25,000,000
and (v) such Person shall have executed an addendum to this  Agreement  pursuant
to which (x) it makes  representations and warranties to the effect set forth in
Sections  9A and 9B and (y) it  agrees  to be bound as a  Purchaser  under  this
Agreement (including,  but without limitation,  paragraph 6D hereof) to the same
extent  as  originally  named  herein  as such  and (B) in  connection  with the
transfer of a Note, the  transferor and the transferee  shall deliver an opinion
of  counsel  that  the  circumstances  of such  transfer  were not such as would
subject the Notes to the provisions of Section 5 of the Securities Act or to the
provisions of any securities or blue sky law of any applicable jurisdiction.

                                       10


                  11C.  Survival  of  Representations  and  Warranties;   Entire
Agreement.  All  representations  and  warranties  contained  herein  or made in
writing by or on behalf of the Trust in  connection  herewith  shall survive the
execution and delivery of this Agreement and the Notes.

                  11D.  Successors.  All covenants and other  agreements in this
Agreement  contained by or on behalf of either of the parties  hereto shall bind
and inure to the benefit of the respective successors in interest of the parties
hereto whether so expressed or not.

                  11E. Disclosure to Other Persons.  The Trust acknowledges that
the  holders of the Notes may deliver  copies of any  financial  statements  and
other  documents  delivered to such holder,  and disclose any other  information
disclosed to such  holder,  by or on behalf of the Trust in  connection  with or
pursuant to this Agreement to (i) such holder's directors,  officers, employees,
agents  and  professional  consultants,  (ii) any  federal  or state  regulatory
authority  having  jurisdiction  over such holder,  or (iii) any other Person to
which such  delivery  or  disclosure  may be  necessary  or  appropriate  (a) in
compliance  with any law, rule,  regulation or order  applicable to such holder,
(b) in response to any subpoena or other legal process,  (c) in connection  with
any  litigation  to which such holder is a party or (d) in order to protect such
holder's investment in the Notes.

                  11F.  Notices.   All  written   communications   provided  for
hereunder  shall be sent by first class mail or  nationwide  overnight  delivery
service (with charges  prepaid) or by facsimile  transmission  and (i) if to the
holder  of the  Notes,  addressed  to  such  holder  at such  address  or to the
facsimile  number,  if  applicable,  as such holder shall have  specified to the
Trustee in writing, and (ii) if to the Trust, addressed to it at the address set
forth  above  with a copy to the  Trust c/o The Bank of New  York,  101  Barclay
Street,  21 West , New York,  New York 10286,  Attention  of  Corporate  Trustee
Administration, or, if applicable, to the facsimile number (212) 815-5915, or at
such other address or facsimile  number as the Trustee  shall have  specified to
the holder of the Notes in  writing.  Any such  written  communications  sent by
facsimile  transmission  shall be  confirmed  promptly in writing  sent by first
class mail or  nationwide  overnight  delivery  service  in the manner  provided
above.

                  11G. Limitation of Liability and Trustee's Obligations.  It is
expressly  understood and agreed by each Purchaser that,  except with respect to
the  covenants  in  Section  8, this  Agreement  is  executed  by BNY not in its
corporate and individual  capacity but solely as Regular Trustee under the Trust
Agreement in the exercise of the power and authority  conferred and vested in it
as Regular  Trustee.  It is further  understood  and agreed  that,  except for a
breach of a covenant  in Section 8, BNY shall not be  personally  liable for any
breach of any representation, warranty or covenant of the Regular Trustee or the
Trust contained  herein,  in the Notes or in any of the  certificates  delivered
hereunder  and nothing  herein  contained  shall be  construed  as creating  any
liability on BNY in its corporate and individual capacity to make any payment or
to perform any covenant,  agreement or undertaking  contained  herein,  all such
liability  being  expressly  waived by each  Purchaser,  and that each Purchaser
shall look solely to the  properties  and assets of the Trust for the payment of
any  amounts  due and  payable  on  account  of the Notes  and for the  payment,
performance,  or other  satisfaction of this Agreement and any claim against the
Regular Trustee by reason of the transactions contemplated hereby.

                                       11


                  11H.  Descriptive  Headings.  The descriptive  headings of the
several  paragraphs of this Agreement are inserted for  convenience  only and do
not constitute a part of this Agreement.

                  11I.  Governing  Law.  This  Agreement  shall be construed and
enforced in accordance with, and the rights of the parties shall be governed by,
the law of the  State  of  Delaware  without  giving  effect  to  principles  of
conflicts of law.

                  11J.   Counterparts.    This   Agreement   may   be   executed
simultaneously  in two or more  counterparts,  each of which  shall be deemed an
original,  and it shall not be necessary  in making  proof of this  Agreement to
produce or account for more than one such counterpart.



                                       12




         If you are in  agreement  with the  foregoing,  please sign the form of
acceptance on the enclosed counterpart of this letter and return the same to the
Trust,  whereupon this letter shall become a binding  agreement  between you and
the Trust.


                                       Very truly yours,

                                       PVNGS CAPITAL TRUST
                                       by The Bank of New York,
                                       as Regular Trustee


                                       By:  ________________________
                                                  Van K. Brown
                                            Assistant Vice President



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

PUBLIC SERVICE COMPANY
  OF NEW MEXICO



By:_______________________
      Mitchell J. Marzec
          Treasurer




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