ALABAMA POWER CO
35-CERT, 1999-06-09
ELECTRIC SERVICES
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                           CERTIFICATE OF NOTIFICATION

                                    Filed by

                              ALABAMA POWER COMPANY

Pursuant to orders of the Securities and Exchange Commission dated September 8,
1995 and November 21, 1997 in the matter of File No. 70-8661.

                                - - - - - - - - -

Alabama Power Company (the "Company") hereby certifies to said Commission,
pursuant to Rule 24, as follows:

                  1. A Tenth Supplementary Installment Sale Agreement was made
         and entered into by and between the Company and The Industrial
         Development Board of the Town of Columbia (Alabama) (the "Board"),
         relating to $51,650,000 aggregate principal amount of the Board's
         Pollution Control Revenue Refunding Bonds (Alabama Power Company
         Project), Series 1999-A (the "Series 1999-A Bonds"), and all
         transactions relating thereto were carried out in accordance with the
         terms and conditions of and for the purposes represented by the
         application, as amended, and of said order with respect thereto.

                  2. An Eleventh Supplementary Installment Sale Agreement was
         made and entered into by and between the Company and the Board,
         relating to $25,000,000 aggregate principal amount of the Board's
         Pollution Control Revenue Refunding Bonds (Alabama Power Company
         Project), Series 1999-B (the "Series 1999-B Bonds"), and all
         transactions relating thereto were carried out in accordance with the
         terms and conditions of and for the purposes represented by the
         application, as amended, and of said order with respect thereto.

                  3. A Twelfth Supplementary Installment Sale Agreement was made
         and entered into by and between the Company and the Board, relating to
         $25,000,000 aggregate principal amount of the Board's Pollution Control
         Revenue Refunding Bonds (Alabama Power Company Project), Series 1999-C
         (the "Series 1999-C Bonds"), and all transactions relating thereto were
         carried out in accordance with the terms and conditions of and for the
         purposes represented by the application, as amended, and of said order
         with respect thereto.


<PAGE>


                  4. Filed herewith are the following exhibits:

                  Exhibit A     -- Tenth Supplementary Installment Sale
                                   Agreement between the Board and the
                                   Company, dated as of June 1, 1999.

                  Exhibit B     -- Eleventh Supplementary Installment
                                   Sale Agreement between the Board and the
                                   Company, dated as of June 1, 1999.

                  Exhibit C     -- Twelfth Supplementary Installment
                                   Sale Agreement between the Board and the
                                   Company, dated as of June 1, 1999.

                  Exhibit D     -- Trust Indenture relating to the
                                   Series 1999-A Bonds between the Board and
                                   SouthTrust Bank, National Association,
                                   dated as of June 1, 1999.

                  Exhibit E     -- Trust Indenture relating to the
                                   Series 1999-B Bonds between the Board and
                                   SouthTrust Bank, National Association,
                                   dated as of June 1, 1999.

                  Exhibit F     -- Trust Indenture relating to the
                                   Series 1999-C Bonds between the Board and
                                   SouthTrust Bank, National Association,
                                   dated as of June 1, 1999.

                  Exhibit G     -- Opinion of Balch & Bingham LLP dated June 9,
                                   1999.

Dated June 9, 1999                   ALABAMA POWER COMPANY

                                     By    /s/Wayne Boston
                                              Wayne Boston
                                          Assistant Secretary


                                                                      Exhibit A

                       THE INDUSTRIAL DEVELOPMENT BOARD OF
                              THE TOWN OF COLUMBIA

                                       and

                              ALABAMA POWER COMPANY

                               TENTH SUPPLEMENTARY
                           INSTALLMENT SALE AGREEMENT

                            Dated as of June 1, 1999

                                   Relating to

                                   $51,650,000

                    Pollution Control Revenue Refunding Bonds
                         (Alabama Power Company Project)

                                  Series 1999-A

2
                                     <PAGE>



                 TENTH SUPPLEMENTARY INSTALLMENT SALE AGREEMENT

                                TABLE OF CONTENTS

                  (This Table of Contents is for convenience of
                 reference only and is not a part of this Tenth
                    Supplementary Installment Sale Agreement)

                                                                           Page

Parties.......................................................................1
Recitals......................................................................1

                                    ARTICLE I
                           DEFINITIONS........................................2

                                   ARTICLE II

               RELATIONSHIP OF AGREEMENT TO THE ORIGINAL AGREEMENT
                     AND THE PRIOR SUPPLEMENTARY AGREEMENTS;

                              ISSUANCE OF THE BONDS

Section 2.1.      Relationship of Agreement to the Original Agreement.........3
Section 2.2.      Issuance of Bonds...........................................4

                                   ARTICLE III

                             PROVISIONS FOR PAYMENT

Section 3.1.      Amounts Payable.............................................4
Section 3.2.      Obligation of the Company Unconditional.....................5
Section 3.3.      [reserved]..................................................5
Section 3.4.      Assignment and Pledge of Payments and Rights
                  Under this Agreement........................................5

                                                     ARTICLE IV

         SPECIAL COVENANTS

Section 4.1.      No Warranty of Suitability by the Issuer....................6
Section 4.2.      Use of Project..............................................6
Section 4.3.      Indemnity Against Claims....................................6
Section 4.4.      Incorporation of Certain Provisions of the Original
                  Agreement...................................................6
Section 4.5.      Further Assurances and Corrective Instruments...............6
Section 4.6.      Tax Covenants...............................................7



<PAGE>


                                    ARTICLE V

                         EVENTS OF DEFAULT AND REMEDIES

Section 5.1.      Events of Default...........................................7
Section 5.2.      Remedies on Default.........................................9
Section 5.3.      Agreement to Pay Attorneys' Fees and Expenses...............9
Section 5.4.      No Additional Waiver Implied by One Waiver..................9

                                   ARTICLE VI

                                  MISCELLANEOUS

Section 6.1.      Term of This Agreement......................................10
Section 6.2.      Notices.....................................................10
Section 6.3.      Binding Effect..............................................10
Section 6.4.      Severability................................................10
Section 6.5.      Amounts Remaining Under the Indenture.......................10
Section 6.6.      Amendments..................................................10
Section 6.7.      Execution in Counterparts...................................10
Section 6.8.      Applicable Law..............................................11
Section 6.9.      Captions....................................................11
Section 6.10.     Other Financing.............................................11


<PAGE>



         This TENTH SUPPLEMENTARY INSTALLMENT SALE AGREEMENT dated as of June 1,
1999, between THE INDUSTRIAL DEVELOPMENT BOARD OF THE TOWN OF COLUMBIA, a public
corporation duly created and validly existing pursuant to the constitution and
laws of the State of Alabama (the "Issuer"), and ALABAMA POWER COMPANY, a
corporation organized and existing under the laws of the State of Alabama (the
"Company"), evidences the agreement of the parties hereto.

                                                      RECITALS

         WHEREAS, the Issuer was organized pursuant to the provisions of Act No.
648 enacted at the 1949 Regular Session of the Legislature of Alabama, as
heretofore amended, and further supplemented by Act No. 1893 enacted at the 1971
Regular Session of the Legislature of Alabama and Act No. 82-510 enacted at the
1982 Regular Session of the Legislature of Alabama (said Act No. 648, as amended
and supplemented being herein called the "Act"); and

         WHEREAS, under the Act the Issuer has the following powers, among
others:

                  (a) to acquire, whether by construction, purchase, exchange,
         gift, lease, or otherwise, and to enlarge, improve, replace, equip and
         maintain, one or more pollution control facilities, including all real
         and personal property deemed necessary or desirable in connection
         therewith,

                  (b) to issue its revenue bonds to pay the cost of pollution
         control facilities payable solely from the revenues and receipts
         derived from the leasing or sale by the Issuer of such pollution
         control facilities,

                  (c) to lease or sell to others and otherwise dispose of all or
         any portion of such pollution control facilities, and

                  (d) to issue its refunding bonds for the purpose of paying the
         principal of, premium, if any, and interest on, its outstanding revenue
         bonds; and

         WHEREAS, in order to promote the health, safety and prosperity of the
citizens of the State of Alabama through the protection of its air, water and
natural resources, the Issuer has previously undertaken to acquire, construct,
install, equip, and sell to the Company facilities, or portions thereof, certain
air and water pollution control and sewage and solid waste disposal facilities
installed and to be installed as a part of the Company's Joseph M. Farley
Nuclear Plant, located within the geographical area of operation of the Issuer
in Houston County, Alabama, which facilities comprise the Project (hereinafter
defined); and

         WHEREAS, at the request of the Company, the Issuer has agreed to issue
$51,650,000 aggregate principal amount of its Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-A, and to apply the
proceeds from the sale thereof toward the redemption of certain of the Issuer's
revenue bonds previously issued to provide financing or refinancing for the
Project;

         NOW, THEREFORE, for and in consideration of the premises and the mutual
covenants hereinafter contained, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto formally covenant, agree, and bind themselves
as follows:

                                    ARTICLE I

                                   DEFINITIONS

         The terms defined in the Indenture are used herein with the same
meanings given to such terms in the Indenture. In addition, the following terms
shall have the meanings set out below:

         "Agreement" means this Tenth Supplementary Installment Sale Agreement
and any amendments and supplements hereto.

         "Bonds" means the Pollution Control Revenue Refunding Bonds (Alabama
Power Company Project), Series 1999-A, issued by the Issuer under the Indenture
in the aggregate principal amount of $51,650,000.

         "Event of Default" means any of the occurrences enumerated in Section
5.1 of this Agreement.

         "Indenture" means the Trust Indenture dated as of June 1, 1999,
relating to the Bonds, between the Issuer and SouthTrust Bank, National
Association, as Trustee, pursuant to which the Bonds are authorized to be
issued, and including any indenture supplemental thereto.

         "Original Agreement" means the Installment Sale Agreement dated as of
May 1, 1978, between the Issuer and the Company, as heretofore supplemented and
amended, excluding, however, the Prior Supplementary Agreements and this
Agreement.

         "Prior Bonds" means all revenue bonds heretofore issued by the Issuer
to finance or refinance the costs of the Project.

         "Prior Indenture" means the Trust Indenture dated as of May 1, 1978, by
and between the Issuer and the Trustee, as supplemented and amended.

         "Prior Supplementary Agreements" means the Supplementary Installment
Sale Agreement between the Issuer and the Company dated as of September 1, 1994,
the Second Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Third Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Fourth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Fifth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Sixth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Seventh Supplementary Installment Sale Agreement dated as of November 1, 1996,
the Eighth Supplementary Installment Sale Agreement dated as of November 1,
1997, and the Ninth Supplementary Installment Sale Agreement dated as of June 1,
1998.

         "Project" means the air and water pollution control and sewage and
solid waste disposal facilities financed and refinanced from the proceeds of the
Prior Bonds, including specifically the facilities financed from the proceeds of
the Series 1994 Bonds, as described in Exhibit A to the Original Agreement.

         "Series 1994 Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds, Series 1994 (Alabama Power Company Project) issued on September
27, 1994, in the original aggregate principal amount of $101,650,000.

         "Series 1999-B Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-B, to be issued
concurrently with the Bonds in the aggregate principal amount of $25,000,000.

         "Series 1999-C Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-C, to be issued
concurrently with the Bonds in the aggregate principal amount of $25,000,000.

                                   ARTICLE II

               RELATIONSHIP OF AGREEMENT TO THE ORIGINAL AGREEMENT
                     AND THE PRIOR SUPPLEMENTARY AGREEMENTS;

                              ISSUANCE OF THE BONDS

         Section 2.1. Relationship of Agreement to the Original Agreement. The
Original Agreement and the Prior Supplementary Agreements were executed and
delivered by the Issuer and the Company in connection with the issuance and sale
of the Prior Bonds, including the Series 1994 Bonds. Under the terms of the
Original Agreement, the Issuer agreed to finance, acquire, construct, install
and equip the Project and to sell the Project to the Company. The Company
agreed, inter alia, to assist the Issuer in the implementation of the Project
and to purchase the Project for a purchase price payable in installments due at
such times and in such amounts as would provide funds sufficient to pay the
principal of, premium, if any, and interest on the Prior Bonds when due, whether
at stated maturity upon redemption or acceleration, or otherwise. Upon the
redemption of the Series 1994 Bonds from proceeds of the Bonds, the Series
1999-B Bonds and the Series 1999-C Bonds, the Company will no longer be
obligated to make installment payments under the Prior Supplementary Agreements
with respect to the Series 1994 Bonds. By their execution and delivery of this
Agreement, which is intended to be complementary to the Original Agreement and
the Prior Supplementary Agreements, the Issuer and the Company ratify and
confirm the sale of the Project to the Company pursuant to the Original
Agreement, agree to continue the Original Agreement and the Prior Supplementary
Agreements in full force and effect, except for the provisions thereof requiring
the Company to make purchase price payments related to bonds of the Issuer which
have been fully paid and redeemed, and agree that, from and after the date of
this Agreement, the Company will make purchase price payments in installments
due at such times and in such amounts as will provide funds sufficient to pay
the principal of, premium, if any, interest on, and purchase price of all Bonds
issued under the Indenture. The parties acknowledge and confirm that the
Issuer's agreement to issue the Bonds and to apply the proceeds thereof to the
redemption of the Series 1994 Bonds (thereby reducing the Company's payment
obligations under the Prior Supplementary Agreements) constitutes fair and
adequate consideration for the additional obligations undertaken by the Company
pursuant to this Agreement. To the extent that any statement in, or provision
of, this Agreement conflicts with the Original Agreement or the Prior
Supplementary Agreements, the provisions of this Agreement shall be deemed to
control.

         Section 2.2. Issuance of Bonds. In order to provide a portion of the
funds necessary to refund the Series 1994 Bonds, the Issuer agrees that it will
initially issue and deliver the Bonds to the purchasers thereof at a price to be
approved in advance by the Company and will apply and deposit the proceeds
thereof in accordance with the terms of the Indenture. The Indenture shall be
satisfactory in form and substance to the Company and shall provide the manner
in which, and the purposes for which, proceeds of Bonds may be used and
invested.

                                   ARTICLE III

                             PROVISIONS FOR PAYMENT

         Section 3.1. Amounts Payable. The Company agrees to pay to the Trustee,
as assignee of the Issuer, in funds which will be immediately available on the
day payment is due, from time to time as the amount owed hereunder, including
interest thereon (which interest obligation shall equal the interest and
premium, if any, on the Bonds), amounts which, and at or before times which,
shall correspond (i) to the payments in respect of the principal of and premium,
if any, and interest on the Bonds whenever and in whatever manner the same shall
become due whether at stated maturity, upon redemption or acceleration or
otherwise, and (ii) the purchase price of the Bonds required or permitted to be
purchased under the Indenture. If (i) at the date any payment on the Bonds is
due, available moneys are held by the Trustee under the Indenture which are not
being held for the payment of Bonds due and payable but which have not been
presented for payment, or (ii) on any date on which Bonds are to be purchased
pursuant to Section 4.02 of the Indenture, there are any available moneys held
for the payment of the purchase price which are not being held for the purchase
of Bonds which have not been presented for purchase pursuant to Section 6 of the
form of Bonds, then, in each case, such moneys shall be credited against the
payment then due hereunder, first in respect of interest on the amount then due
and owing hereunder and then, to the extent of remaining moneys, in respect of
principal on the amount then due and owing hereunder.

         The Company will also pay: (i) the fees, charges and reasonable
expenses of the Trustee, the paying agent and the Remarketing Agent under the
Indenture, such fees, charges, and reasonable expenses to be paid directly to
the Trustee, the paying agent and the Remarketing Agent for their respective
accounts as and when such fees, charges and reasonable expenses become due and
payable, (ii) any expenses and costs incurred or to be incurred by virtue of the
issuance of the Bonds, (iii) any expenses in connection with any redemption of
the Bonds, and (iv) any expenses in connection with the redemption of the Series
1994 Bonds.

         The Company also agrees that, on or before the date of redemption of
the Series 1994 Bonds, it will pay to the Series 1994 Trustee for deposit into
the Bond Fund held by the Series 1994 Trustee in connection with the Series 1994
Bonds, an amount of funds which, when added to the proceeds of the Bonds, the
Series 1999-B Bonds and the Series 1999-C Bonds (other than proceeds, if any,
representing accrued interest), plus any investment earnings thereon, and any
other funds available for such purpose, will be sufficient to permit the Series
1994 Trustee to pay the principal of, premium and accrued interest on the Series
1994 Bonds upon their redemption, which shall occur no later than 90 days after
the date of issuance of the Bonds.

         Section 3.2. Obligation of the Company Unconditional. The obligation of
the Company to make the payments as provided in this Agreement and to perform
and observe the other agreements on its part contained herein shall be absolute
and unconditional notwithstanding failure of the Issuer's title to the Project
or any part thereof, loss of title to (or the temporary use of) the Project by
virtue of the exercise by others of the power of eminent domain, any acts or
circumstances that may constitute failure of consideration, destruction of or
damage to the Project, commercial frustration of purpose, any change in the tax
or other laws of the United States of America or of the State of Alabama or any
political subdivision of either thereof, or any failure of the Issuer to perform
and observe any agreement, whether express or implied, or any duty, liability or
obligation arising out of or connected with this Agreement. Nothing contained in
this Section 3.2 shall be construed to release the Issuer from the performance
of any of the agreements on its part herein contained; and, in the event the
Issuer should fail to perform any such agreement on its part, the Company may
institute such action against the Issuer as the Company may deem necessary to
compel performance or recover its damages for nonperformance so long as such
action shall not violate the agreements on the part of the Company contained in
the preceding sentence, but in no event shall the Company be entitled to any
diminution of the amounts payable under Section 3.1 hereof. The Company may,
however, at its own cost and expense and in its own name or in the name of the
Issuer, prosecute or defend any action or proceeding or take any other action
involving third persons which the Company deems reasonably necessary in order to
secure or protect its right of possession, occupancy and use of the Project
hereunder, and in such event the Issuer hereby agrees to cooperate fully with
the Company and to take all action necessary to effect the substitution of the
Company for the Issuer in any such action or proceeding if the Company shall so
request.

         Section 3.3.      [reserved].

         Section 3.4. Assignment and Pledge of Payments and Rights Under this
Agreement. The Issuer shall assign and pledge to the Trustee as security under
the Indenture all rights, title and interests of the Issuer in and to this
Agreement, and all moneys receivable hereunder (except for payments under the
second and third paragraphs of Section 3.1 and under Sections 4.3 and 5.3
hereof). The Company assents to such assignment and hereby agrees that, as to
the Trustee, its obligations to make such payments shall be absolute and shall
not be subject to any defense or any right of set-off, counterclaim, or
recoupment arising out of any breach by the Issuer or the Trustee of any
obligation to the Company, whether hereunder or otherwise, or out of any
indebtedness or liability at any time owing to the Company by the Issuer or the
Trustee.

                                   ARTICLE IV

                                SPECIAL COVENANTS

         Section 4.1. No Warranty of Suitability by the Issuer. THE ISSUER MAKES
NO WARRANTY EITHER EXPRESS OR IMPLIED AS TO THE PROJECT, INCLUDING ITS
SUITABILITY FOR THE COMPANY'S PURPOSES OR NEEDS.

         Section 4.2. Use of Project. The Issuer hereby covenants and agrees
that it will not take any action, other than pursuant to the exercise of its
rights under Section 5.2 of this Agreement and under the corresponding
provisions of the Original Agreement, to prevent the Company from having
possession and enjoyment of the Project during the term of this Agreement and
will, at the request of the Company and at the Company's cost, cooperate with
the Company in order that the Company may have possession and enjoyment of the
Project.

         Section 4.3. Indemnity Against Claims. The Company will pay and
discharge and will indemnify and hold harmless the Issuer from (a) any lien or
charge upon payments by the Company hereunder, (b) any taxes, assessments,
impositions, and other charges upon payments by the Company to the Issuer
hereunder, and (c) any and all liabilities, damages, costs, and expenses arising
out of or resulting from the transactions contemplated by this Agreement and the
Indenture, including the reasonable fees and expenses of counsel. If any such
lien or charge is sought to be imposed upon payments, or any such taxes,
assessments, impositions, or other charges are sought to be imposed, or any such
liability, damages, costs, and expenses are sought to be imposed, the Issuer
will give prompt notice to the Company, and the Company shall have the sole
right and duty to assume, and will assume, the defense thereof, with full power
to litigate, compromise or settle the same in its sole discretion.

         Section 4.4. Incorporation of Certain Provisions of the Original
Agreement. The provisions of the following sections of the Original Agreement
are incorporated herein by reference with the effect that the terms of such
sections shall apply with the same force and effect as if set out in full
herein: Section 5.1 (relating to maintenance of the Project); Section 5.2
(relating to removal of portions of the Project); Section 5.3 (relating to the
payment of taxes and other governmental charges); Section 5.4 (relating to
insurance); Section 5.5 (relating to eminent domain); Section 6.2 (relating to
inspection of the Project); Section 6.3 (relating to maintenance of the
Company's corporate existence); Section 6.4 (relating to the provision of
certain financial statements); and Section 7.1 (relating to the Company's right
to assign its interest in the Original Agreement and to lease the Project). The
provisions so incorporated shall remain in force throughout the term of this
Agreement notwithstanding any earlier termination of the Original Agreement.

         Section 4.5. Further Assurances and Corrective Instruments. The Issuer
and the Company agree that they will, from time to time, execute, acknowledge
and deliver, or cause to be executed, acknowledged, and delivered, such
supplements hereto and such further instruments as may reasonably be required
for correcting any inadequate or incorrect description of the Project and for
carrying out the intention or facilitating the performance of this Agreement.

         The Issuer will, upon the request and at the expense of the Company,
cause the execution and delivery from time to time to the Company of such
further instruments of conveyance as are deemed by the Company to be necessary
to effect or evidence the conveyance to the Company of good and marketable title
to the Project or any portion thereof, subject to no lien other than any
Permitted Encumbrances (as defined in the Original Agreement).

         Section 4.6. Tax Covenants. The Company and the Issuer covenant and
agree that they will not use or permit the use by any person of any of the funds
provided by the Issuer hereunder or any other of its funds, directly or
indirectly, or direct the Trustee to invest any funds held by it under the
Indenture or this Agreement, in such manner as would, or enter into, or allow
any "related person" to enter into, any arrangement, formal or informal, that
would, or take or omit to take any other action that would, cause any Bond to be
an "arbitrage bond" within the meaning of Section 148(a) of the Code or result
in the loss of the exclusion from gross income for federal income tax purposes
of the interest paid on the Bonds. Without limiting the generality of the
foregoing, the Company covenants and agrees to comply with the requirements of
Sections 148(d) and 148(f) of the Code and any proposed, temporary, or final
regulations thereunder as may be applicable to the Bonds or the proceeds derived
from the sale of the Bonds or any other moneys. The Company acknowledges Section
6.03 of the Indenture and agrees to perform all duties imposed upon it by such
Section. Insofar as said Section imposes duties and responsibilities on the
Company, it is specifically incorporated herein by reference.

                                    ARTICLE V

                         EVENTS OF DEFAULT AND REMEDIES

         Section 5.1. Events of Default. Each of the following shall be an
"Event of Default" under this Agreement:

                  (a) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         interest due or becoming due on any of the Bonds for a period of five
         days after the same shall become due and payable.

                  (b) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         principal of, or premium, if any, on any of the Bonds when the same
         shall become due and payable.

                  (c) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         purchase price on any of the Bonds after the same shall become due and
         payable.

                  (d) Failure by the Company to observe and perform any
         covenant, condition, or agreement in this Agreement on its part to be
         observed or performed, other than as referred to in subsections (a),
         (b), and (c) of this Section, for a period of 90 days after written
         notice, specifying such failure and requesting that it be remedied, is
         given to the Company by the Issuer or the Trustee, unless extended
         prior to the expiration of such period as described below.

                  (e) The dissolution or liquidation of the Company, except as
         permitted by Section 4.4 hereof, or the commencement by the Company of
         any case or proceeding seeking to have an order for relief entered on
         its behalf as a debtor or to adjudicate it as bankrupt or insolvent or
         seeking reorganization, liquidation, dissolution, winding-up,
         arrangement, composition, readjustment of its debts or any other relief
         under any bankruptcy, insolvency, reorganization or other similar law
         of the United States or any state, or adjudication of the Company as
         bankrupt, or an assignment by the Company for the benefit of its
         creditors, or the entry by the Company into an agreement of composition
         with its creditors, or the approval by a court of competent
         jurisdiction of a petition applicable to the Company in any proceeding
         for its reorganization instituted under the provisions of Title 11 of
         the United States Code, as amended, or under any similar statutory
         provision which may hereafter be enacted.

                  (f) An "event of default" as defined in Section 8.01 of the
         Indenture shall have occurred and be continuing.

A default under clause (d) of this Section is not an Event of Default until the
Trustee or the holders of at least 25% in principal amount of the Bonds then
outstanding give the Issuer and the Company a notice specifying the default,
demanding that it be remedied and stating that the notice is a "Notice of
Default" and the Company does not cure the default within 90 days after receipt
of the notice, or within such longer period as the Trustee shall agree to. The
Trustee shall not unreasonably refuse to agree to a longer period if the default
cannot reasonably be cured within 90 days after receipt of the notice and the
Company has begun within 90 days and continued diligent efforts to correct the
default. The foregoing provisions of clause (d) of this Section are subject to
the further qualification that if by reason of force majeure the Company is
unable in whole or in part to carry out its agreements herein contained, other
than the obligations on the part of the Company contained in Section 6.3 of the
Original Agreement (incorporated by reference in Section 4.4 hereof) and Section
4.6 hereof, the Company shall not be deemed in default during the continuance of
such inability. The term "force majeure" as used herein shall mean the
following: acts of God; strikes, lockouts or other industrial disturbances; acts
of public enemies; orders of any kind of the government of the United States or
of the State or of any of their departments, agencies or officials, or of any
civil or military authority; insurrections; riots; epidemics; landslides;
lightning; earthquake; fire; hurricanes; storms; floods; washouts; droughts;
arrests; restraint of government and people; civil disturbances; explosions;
breakage or accident to machinery; partial or entire failure of utilities; or
any other cause or event not reasonably within the control of the Company. The
Company agrees, however, to remedy with all reasonable dispatch the cause or
causes preventing the Company from carrying out its agreements; provided that
the settlement of strikes, lockouts, and other industrial disturbances shall be
entirely within the discretion of the Company, and the Company shall not be
required to make settlement of strikes, lockouts, and other industrial
disturbances by acceding to the demands of the opposing party or parties when
such course is in the judgment of the Company unfavorable to the Company.

         Section 5.2. Remedies on Default. Whenever any Event of Default shall
have occurred and be continuing, the Issuer may, in addition to any other remedy
now or hereafter existing at law, in equity or by statute, take either or both
of the following remedial steps:

                  (a) By written notice to the Company, the Issuer may declare
         the total amount payable under clause (i) of the first sentence of the
         first paragraph of Section 3.1 of this Agreement, including the
         interest thereon, to be immediately due and payable, whereupon the same
         shall become immediately due and payable.

                  (b) The Issuer may take whatever action at law or in equity
         may appear necessary or desirable to collect the amounts referred to in
         (a) above then due and thereafter to become due, or to enforce
         performance and observance of any obligation, agreement, or covenant of
         the Company under this Agreement.

Any amounts collected pursuant to action taken under this Section 5.2 shall be
paid to the Trustee and applied in accordance with the provisions of the
Indenture or, if the Bonds have been fully paid (or provision for payment
thereof has been made in accordance with the provisions of the Indenture) and
the fees and expenses of the Trustee, the paying agent, and the Remarketing
Agent and all other amounts required to be paid under the Indenture shall have
been paid, to the Company.

         Section 5.3. Agreement to Pay Attorneys' Fees and Expenses. If the
Company should breach any of the provisions of this Agreement and the Issuer or
the Trustee should employ attorneys or incur other expenses for the collection
of amounts payable hereunder or the enforcement of performance or observance of
any obligation or agreement on the part of the Company herein contained, the
Company agrees that it will on demand therefor pay to the Issuer or the Trustee
the reasonable fees of such attorneys and such other reasonable expenses so
incurred by the Issuer or the Trustee.

         Section 5.4. No Additional Waiver Implied by One Waiver. If any
provision contained in this Agreement should be breached by either party and
thereafter waived by the other party, such waiver shall be limited to the
particular breach so waived and shall not be deemed to waive any other breach
hereunder.

                                   ARTICLE VI

                                  MISCELLANEOUS

         Section 6.1. Term of This Agreement. This Agreement shall remain in
full force and effect from the date hereof until such time as all of the
outstanding Bonds shall have been fully paid or provision made therefor in
accordance with the provisions of the Indenture, whichever shall first occur,
and the fees and expenses of the Trustee, the paying agent and the Remarketing
Agent and all other amounts payable by the Company under this Agreement shall
have been paid.

         Section 6.2. Notices. All notices, certificates or other communications
hereunder shall be sufficiently given and shall be deemed given when delivered
or mailed by registered or certified mail, postage prepaid, addressed as
follows: if to the Issuer, if by mail to the Chairman of the Board of Directors,
at Town Hall, Columbia, Alabama 36319; if to the Trustee, to 110 Office Park
Drive, Birmingham, Alabama 35223, Attention: Corporate Trust Department; if to
the Company, to 600 North 18th Street, Birmingham, Alabama 35291, Attention:
Treasurer; and if to the Remarketing Agent, to SouthTrust Securities, Inc., 112
North 20th Street, Birmingham, Alabama 35203, Attention: Capital Markets
Division. A duplicate copy of each notice, certificate or other communication
given hereunder by either the Issuer or the Company to the other shall also be
given to the Trustee. The Issuer, the Company, the Trustee and the Remarketing
Agent may, by notice given hereunder, designate any further or different
addresses to which subsequent notices, certificates, or other communications
shall be sent.

         Section 6.3. Binding Effect. This Agreement shall inure to the benefit
of and shall be binding upon the Issuer, the Company, and their respective
successors and assigns.

         Section 6.4. Severability. If any provision of this Agreement shall be
held invalid or unenforceable by any court of competent jurisdiction, such
holding shall not invalidate or render unenforceable any other provision hereof.

         Section 6.5. Amounts Remaining Under the Indenture. Any amounts
remaining under the Indenture upon termination of this Agreement shall, to the
extent provided by Section 7.03 of the Indenture, belong to and be paid to the
Company by the Trustee.

         Section 6.6. Amendments. This Agreement may not be effectively
terminated except in accordance with the provisions hereof and may not be
effectively amended except by a written agreement in accordance with Article XI
of the Indenture and signed by the parties hereto.

         Section 6.7. Execution in Counterparts. This Agreement may be executed
in several counterparts, each of which shall be an original and all of which
shall constitute but one and the same instrument.

         Section 6.8. Applicable Law. This Agreement shall be governed by and
construed in accordance with the laws of the State of Alabama.

         Section 6.9. Captions. The captions or headings in this Agreement are
for convenience only and in no way define, limit or describe the scope or intent
of any provisions or sections of this Agreement.

         Section 6.10. Other Financing. Notwithstanding anything in this
Agreement to the contrary, the Issuer and the Company may hereafter enter into
agreements to provide for the financing or refinancing of costs of the Project
or any portion thereof in lieu of or in addition to the provisions herein.


<PAGE>


         IN WITNESS WHEREOF, the Issuer and the Company have caused this
Agreement to be executed in their respective corporate names and their
respective corporate seals to be hereunto affixed and attested by their duly
authorized officers, all as of the date first above written.

                        THE INDUSTRIAL DEVELOPMENT BOARD

                        OF THE TOWN OF COLUMBIA

[SEAL]

                        By:
                                 Chairman of the Board of Directors

ATTEST:

By:
         Secretary

                        ALABAMA POWER COMPANY

                        By:
                                          Vice President

ATTEST:

By:
         Secretary


<PAGE>


STATE OF ALABAMA
COUNTY OF JEFFERSON

         I,     , a Notary Public in and for said county in said state, hereby
certify that William D. Lanford, Jr., whose name as Chairman of the Board of
Directors of The Industrial Development Board of the Town of Columbia, a public
corporation and instrumentality under the laws of the State of Alabama, is
signed to the foregoing instrument and who is known to me, acknowledged before
me on this day that, being informed of the contents of the within instrument,
he, as such officer and with full authority executed the same voluntarily for
and as the act of said public corporation.

         Given under my hand and official seal of office this ________ day of
June, 1999.

                                                     Notary Public

                                                     My Commission Expires:

[SEAL]

STATE OF ALABAMA
COUNTY OF JEFFERSON

         I,      , a Notary Public in and for said county in said state, hereby
certify that , whose name as _____________________________ of Alabama Power
Company, a corporation organized and existing under the laws of the State of
Alabama, is signed to the foregoing instrument and who is known to me,
acknowledged before me on this day that, being informed of the contents of the
within instrument, he, as such officer and with full authority executed the same
voluntarily for and as the act of said corporation.

         Given under my hand and official seal of office this ________ day of
June, 1999.

                                                     Notary Public

                                                     My Commission Expires:

[SEAL]


                                                                      Exhibit B

                       THE INDUSTRIAL DEVELOPMENT BOARD OF
                              THE TOWN OF COLUMBIA

                                       and

                              ALABAMA POWER COMPANY

                             ELEVENTH SUPPLEMENTARY
                           INSTALLMENT SALE AGREEMENT

                            Dated as of June 1, 1999

                                   Relating to

                                   $25,000,000

                    Pollution Control Revenue Refunding Bonds
                         (Alabama Power Company Project)

                                  Series 1999-B


<PAGE>



                ELEVENTH SUPPLEMENTARY INSTALLMENT SALE AGREEMENT

                                TABLE OF CONTENTS

                  (This Table of Contents is for convenience of
                reference only and is not a part of this Eleventh
                    Supplementary Installment Sale Agreement)

                                                                         Page

Parties                                                                     1
Recitals                                                                    1

                                    ARTICLE I
                            DEFINITIONS......................................2

                                   ARTICLE II

               RELATIONSHIP OF AGREEMENT TO THE ORIGINAL AGREEMENT

                     AND THE PRIOR SUPPLEMENTARY AGREEMENTS;

                              ISSUANCE OF THE BONDS

Section 2.1.      Relationship of Agreement to the Original Agreement........3
Section 2.2.      Issuance of Bonds..........................................4

                                   ARTICLE III

                             PROVISIONS FOR PAYMENT

Section 3.1.      Amounts Payable............................................4
Section 3.2.      Obligation of the Company Unconditional....................5
Section 3.3.      [reserved].................................................5
Section 3.4.      Assignment and Pledge of Payments and Rights Under
                  this Agreement.............................................5

                                   ARTICLE IV

                                SPECIAL COVENANTS

Section 4.1.      No Warranty of Suitability by the Issuer...................6
Section 4.2.      Use of Project.............................................6
Section 4.3.      Indemnity Against Claims...................................6
Section 4.4.      Incorporation of Certain Provisions of the Original
                  Agreement..................................................6
Section 4.5.      Further Assurances and Corrective Instruments..............6
Section 4.6.      Tax Covenants..............................................7



<PAGE>


                                    ARTICLE V

                         EVENTS OF DEFAULT AND REMEDIES

Section 5.1.      Events of Default..........................................7
Section 5.2.      Remedies on Default........................................9
Section 5.3.      Agreement to Pay Attorneys' Fees and Expenses..............9
Section 5.4.      No Additional Waiver Implied by One Waiver.................9

                                   ARTICLE VI

                                  MISCELLANEOUS

Section 6.1.      Term of This Agreement....................................10
Section 6.2.      Notices...................................................10
Section 6.3.      Binding Effect............................................10
Section 6.4.      Severability..............................................10
Section 6.5.      Amounts Remaining Under the Indenture.....................10
Section 6.6.      Amendments................................................10
Section 6.7.      Execution in Counterparts.................................10
Section 6.8.      Applicable Law............................................11
Section 6.9.      Captions..................................................11
Section 6.10.     Other Financing...........................................11



<PAGE>


         This ELEVENTH SUPPLEMENTARY INSTALLMENT SALE AGREEMENT dated as of June
1, 1999, between THE INDUSTRIAL DEVELOPMENT BOARD OF THE TOWN OF COLUMBIA, a
public corporation duly created and validly existing pursuant to the
constitution and laws of the State of Alabama (the "Issuer"), and ALABAMA POWER
COMPANY, a corporation organized and existing under the laws of the State of
Alabama (the "Company"), evidences the agreement of the parties hereto.

                                                      RECITALS

         WHEREAS, the Issuer was organized pursuant to the provisions of Act No.
648 enacted at the 1949 Regular Session of the Legislature of Alabama, as
heretofore amended, and further supplemented by Act No. 1893 enacted at the 1971
Regular Session of the Legislature of Alabama and Act No. 82-510 enacted at the
1982 Regular Session of the Legislature of Alabama (said Act No. 648, as amended
and supplemented being herein called the "Act"); and

         WHEREAS, under the Act the Issuer has the following powers, among
others:

                  (a) to acquire, whether by construction, purchase, exchange,
         gift, lease, or otherwise, and to enlarge, improve, replace, equip and
         maintain, one or more pollution control facilities, including all real
         and personal property deemed necessary or desirable in connection
         therewith,

                  (b) to issue its revenue bonds to pay the cost of pollution
         control facilities payable solely from the revenues and receipts
         derived from the leasing or sale by the Issuer of such pollution
         control facilities,

                  (c) to lease or sell to others and otherwise dispose of all or
         any portion of such pollution control facilities, and

                  (d) to issue its refunding bonds for the purpose of paying the
         principal of, premium, if any, and interest on, its outstanding revenue
         bonds; and

         WHEREAS, in order to promote the health, safety and prosperity of the
citizens of the State of Alabama through the protection of its air, water and
natural resources, the Issuer has previously undertaken to acquire, construct,
install, equip, and sell to the Company facilities, or portions thereof, certain
air and water pollution control and sewage and solid waste disposal facilities
installed and to be installed as a part of the Company's Joseph M. Farley
Nuclear Plant, located within the geographical area of operation of the Issuer
in Houston County, Alabama, which facilities comprise the Project (hereinafter
defined); and

         WHEREAS, at the request of the Company, the Issuer has agreed to issue
$25,000,000 aggregate principal amount of its Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-B, and to apply the
proceeds from the sale thereof toward the redemption of certain of the Issuer's
revenue bonds previously issued to provide financing or refinancing for the
Project;

         NOW, THEREFORE, for and in consideration of the premises and the mutual
covenants hereinafter contained, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto formally covenant, agree, and bind themselves
as follows:

                                    ARTICLE I

                                   DEFINITIONS

         The terms defined in the Indenture are used herein with the same
meanings given to such terms in the Indenture. In addition, the following terms
shall have the meanings set out below:

         "Agreement" means this Eleventh Supplementary Installment Sale
Agreement and any amendments and supplements hereto.

         "Bonds" means the Pollution Control Revenue Refunding Bonds (Alabama
Power Company Project), Series 1999-B, issued by the Issuer under the Indenture
in the aggregate principal amount of $25,000,000.

         "Event of Default" means any of the occurrences enumerated in Section
5.1 of this Agreement.

         "Indenture" means the Trust Indenture dated as of June 1, 1999,
relating to the Bonds, between the Issuer and SouthTrust Bank, National
Association, as Trustee, pursuant to which the Bonds are authorized to be
issued, and including any indenture supplemental thereto.

         "Original Agreement" means the Installment Sale Agreement dated as of
May 1, 1978, between the Issuer and the Company, as heretofore supplemented and
amended, excluding, however, the Prior Supplementary Agreements and this
Agreement.

         "Prior Bonds" means all revenue bonds heretofore issued by the Issuer
to finance or refinance the costs of the Project.

         "Prior Indenture" means the Trust Indenture dated as of May 1, 1978, by
and between the Issuer and the Trustee, as supplemented and amended.

         "Prior Supplementary Agreements" means the Supplementary Installment
Sale Agreement between the Issuer and the Company dated as of September 1, 1994,
the Second Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Third Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Fourth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Fifth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Sixth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Seventh Supplementary Installment Sale Agreement dated as of November 1, 1996,
the Eighth Supplementary Installment Sale Agreement dated as of November 1,
1997, and the Ninth Supplementary Installment Sale Agreement dated as of June 1,
1998.

         "Project" means the air and water pollution control and sewage and
solid waste disposal facilities financed and refinanced from the proceeds of the
Prior Bonds, including specifically the facilities financed from the proceeds of
the Series 1994 Bonds, as described in Exhibit A to the Original Agreement.

         "Series 1994 Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds, Series 1994 (Alabama Power Company Project) issued on September
27, 1994, in the original aggregate principal amount of $101,650,000.

         "Series 1999-A Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-A, to be issued
concurrently with the Bonds in the aggregate principal amount of $51,650,000.

         "Series 1999-C Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-C, to be issued
concurrently with the Bonds in the aggregate principal amount of $25,000,000.

                                   ARTICLE II

               RELATIONSHIP OF AGREEMENT TO THE ORIGINAL AGREEMENT
                     AND THE PRIOR SUPPLEMENTARY AGREEMENTS;

                              ISSUANCE OF THE BONDS

         Section 2.1. Relationship of Agreement to the Original Agreement. The
Original Agreement and the Prior Supplementary Agreements were executed and
delivered by the Issuer and the Company in connection with the issuance and sale
of the Prior Bonds, including the Series 1994 Bonds. Under the terms of the
Original Agreement, the Issuer agreed to finance, acquire, construct, install
and equip the Project and to sell the Project to the Company. The Company
agreed, inter alia, to assist the Issuer in the implementation of the Project
and to purchase the Project for a purchase price payable in installments due at
such times and in such amounts as would provide funds sufficient to pay the
principal of, premium, if any, and interest on the Prior Bonds when due, whether
at stated maturity upon redemption or acceleration, or otherwise. Upon the
redemption of the Series 1994 Bonds from proceeds of the Bonds, the Series
1999-A Bonds and the Series 1999-C Bonds, the Company will no longer be
obligated to make installment payments under the Prior Supplementary Agreements
with respect to the Series 1994 Bonds. By their execution and delivery of this
Agreement, which is intended to be complementary to the Original Agreement and
the Prior Supplementary Agreements, the Issuer and the Company ratify and
confirm the sale of the Project to the Company pursuant to the Original
Agreement, agree to continue the Original Agreement and the Prior Supplementary
Agreements in full force and effect, except for the provisions thereof requiring
the Company to make purchase price payments related to bonds of the Issuer which
have been fully paid and redeemed, and agree that, from and after the date of
this Agreement, the Company will make purchase price payments in installments
due at such times and in such amounts as will provide funds sufficient to pay
the principal of, premium, if any, interest on, and purchase price of all Bonds
issued under the Indenture. The parties acknowledge and confirm that the
Issuer's agreement to issue the Bonds and to apply the proceeds thereof to the
redemption of the Series 1994 Bonds (thereby reducing the Company's payment
obligations under the Prior Supplementary Agreements) constitutes fair and
adequate consideration for the additional obligations undertaken by the Company
pursuant to this Agreement. To the extent that any statement in, or provision
of, this Agreement conflicts with the Original Agreement or the Prior
Supplementary Agreements, the provisions of this Agreement shall be deemed to
control.

         Section 2.2. Issuance of Bonds. In order to provide a portion of the
funds necessary to refund the Series 1994 Bonds, the Issuer agrees that it will
initially issue and deliver the Bonds to the purchasers thereof at a price to be
approved in advance by the Company and will apply and deposit the proceeds
thereof in accordance with the terms of the Indenture. The Indenture shall be
satisfactory in form and substance to the Company and shall provide the manner
in which, and the purposes for which, proceeds of Bonds may be used and
invested.

                                   ARTICLE III

                             PROVISIONS FOR PAYMENT

         Section 3.1. Amounts Payable. The Company agrees to pay to the Trustee,
as assignee of the Issuer, in funds which will be immediately available on the
day payment is due, from time to time as the amount owed hereunder, including
interest thereon (which interest obligation shall equal the interest and
premium, if any, on the Bonds), amounts which, and at or before times which,
shall correspond (i) to the payments in respect of the principal of and premium,
if any, and interest on the Bonds whenever and in whatever manner the same shall
become due whether at stated maturity, upon redemption or acceleration or
otherwise, and (ii) the purchase price of the Bonds required or permitted to be
purchased under the Indenture. If (i) at the date any payment on the Bonds is
due, available moneys are held by the Trustee under the Indenture which are not
being held for the payment of Bonds due and payable but which have not been
presented for payment, or (ii) on any date on which Bonds are to be purchased
pursuant to Section 4.02 of the Indenture, there are any available moneys held
for the payment of the purchase price which are not being held for the purchase
of Bonds which have not been presented for purchase pursuant to Section 6 of the
form of Bonds, then, in each case, such moneys shall be credited against the
payment then due hereunder, first in respect of interest on the amount then due
and owing hereunder and then, to the extent of remaining moneys, in respect of
principal on the amount then due and owing hereunder.

         The Company will also pay: (i) the fees, charges and reasonable
expenses of the Trustee, the paying agent and the Remarketing Agent under the
Indenture, such fees, charges, and reasonable expenses to be paid directly to
the Trustee, the paying agent and the Remarketing Agent for their respective
accounts as and when such fees, charges and reasonable expenses become due and
payable, (ii) any expenses and costs incurred or to be incurred by virtue of the
issuance of the Bonds, (iii) any expenses in connection with any redemption of
the Bonds, and (iv) any expenses in connection with the redemption of the Series
1994 Bonds.

         The Company also agrees that, on or before the date of redemption of
the Series 1994 Bonds, it will pay to the Series 1994 Trustee for deposit into
the Bond Fund held by the Series 1994 Trustee in connection with the Series 1994
Bonds, an amount of funds which, when added to the proceeds of the Bonds, the
Series 1999-A Bonds and the Series 1999-C Bonds (other than proceeds, if any,
representing accrued interest), plus any investment earnings thereon, and any
other funds available for such purpose, will be sufficient to permit the Series
1994 Trustee to pay the principal of, premium and accrued interest on the Series
1994 Bonds upon their redemption, which shall occur no later than 90 days after
the date of issuance of the Bonds.

         Section 3.2. Obligation of the Company Unconditional. The obligation of
the Company to make the payments as provided in this Agreement and to perform
and observe the other agreements on its part contained herein shall be absolute
and unconditional notwithstanding failure of the Issuer's title to the Project
or any part thereof, loss of title to (or the temporary use of) the Project by
virtue of the exercise by others of the power of eminent domain, any acts or
circumstances that may constitute failure of consideration, destruction of or
damage to the Project, commercial frustration of purpose, any change in the tax
or other laws of the United States of America or of the State of Alabama or any
political subdivision of either thereof, or any failure of the Issuer to perform
and observe any agreement, whether express or implied, or any duty, liability or
obligation arising out of or connected with this Agreement. Nothing contained in
this Section 3.2 shall be construed to release the Issuer from the performance
of any of the agreements on its part herein contained; and, in the event the
Issuer should fail to perform any such agreement on its part, the Company may
institute such action against the Issuer as the Company may deem necessary to
compel performance or recover its damages for nonperformance so long as such
action shall not violate the agreements on the part of the Company contained in
the preceding sentence, but in no event shall the Company be entitled to any
diminution of the amounts payable under Section 3.1 hereof. The Company may,
however, at its own cost and expense and in its own name or in the name of the
Issuer, prosecute or defend any action or proceeding or take any other action
involving third persons which the Company deems reasonably necessary in order to
secure or protect its right of possession, occupancy and use of the Project
hereunder, and in such event the Issuer hereby agrees to cooperate fully with
the Company and to take all action necessary to effect the substitution of the
Company for the Issuer in any such action or proceeding if the Company shall so
request.

         Section 3.3.      [reserved].

         Section 3.4. Assignment and Pledge of Payments and Rights Under this
Agreement. The Issuer shall assign and pledge to the Trustee as security under
the Indenture all rights, title and interests of the Issuer in and to this
Agreement, and all moneys receivable hereunder (except for payments under the
second and third paragraphs of Section 3.1 and under Sections 4.3 and 5.3
hereof). The Company assents to such assignment and hereby agrees that, as to
the Trustee, its obligations to make such payments shall be absolute and shall
not be subject to any defense or any right of set-off, counterclaim, or
recoupment arising out of any breach by the Issuer or the Trustee of any
obligation to the Company, whether hereunder or otherwise, or out of any
indebtedness or liability at any time owing to the Company by the Issuer or the
Trustee.

                                   ARTICLE IV

                                SPECIAL COVENANTS

         Section 4.1. No Warranty of Suitability by the Issuer. THE ISSUER MAKES
NO WARRANTY EITHER EXPRESS OR IMPLIED AS TO THE PROJECT, INCLUDING ITS
SUITABILITY FOR THE COMPANY'S PURPOSES OR NEEDS.

         Section 4.2. Use of Project. The Issuer hereby covenants and agrees
that it will not take any action, other than pursuant to the exercise of its
rights under Section 5.2 of this Agreement and under the corresponding
provisions of the Original Agreement, to prevent the Company from having
possession and enjoyment of the Project during the term of this Agreement and
will, at the request of the Company and at the Company's cost, cooperate with
the Company in order that the Company may have possession and enjoyment of the
Project.

         Section 4.3. Indemnity Against Claims. The Company will pay and
discharge and will indemnify and hold harmless the Issuer from (a) any lien or
charge upon payments by the Company hereunder, (b) any taxes, assessments,
impositions, and other charges upon payments by the Company to the Issuer
hereunder, and (c) any and all liabilities, damages, costs, and expenses arising
out of or resulting from the transactions contemplated by this Agreement and the
Indenture, including the reasonable fees and expenses of counsel. If any such
lien or charge is sought to be imposed upon payments, or any such taxes,
assessments, impositions, or other charges are sought to be imposed, or any such
liability, damages, costs, and expenses are sought to be imposed, the Issuer
will give prompt notice to the Company, and the Company shall have the sole
right and duty to assume, and will assume, the defense thereof, with full power
to litigate, compromise or settle the same in its sole discretion.

         Section 4.4. Incorporation of Certain Provisions of the Original
Agreement. The provisions of the following sections of the Original Agreement
are incorporated herein by reference with the effect that the terms of such
sections shall apply with the same force and effect as if set out in full
herein: Section 5.1 (relating to maintenance of the Project); Section 5.2
(relating to removal of portions of the Project); Section 5.3 (relating to the
payment of taxes and other governmental charges); Section 5.4 (relating to
insurance); Section 5.5 (relating to eminent domain); Section 6.2 (relating to
inspection of the Project); Section 6.3 (relating to maintenance of the
Company's corporate existence); Section 6.4 (relating to the provision of
certain financial statements); and Section 7.1 (relating to the Company's right
to assign its interest in the Original Agreement and to lease the Project). The
provisions so incorporated shall remain in force throughout the term of this
Agreement notwithstanding any earlier termination of the Original Agreement.

         Section 4.5. Further Assurances and Corrective Instruments. The Issuer
and the Company agree that they will, from time to time, execute, acknowledge
and deliver, or cause to be executed, acknowledged, and delivered, such
supplements hereto and such further instruments as may reasonably be required
for correcting any inadequate or incorrect description of the Project and for
carrying out the intention or facilitating the performance of this Agreement.

         The Issuer will, upon the request and at the expense of the Company,
cause the execution and delivery from time to time to the Company of such
further instruments of conveyance as are deemed by the Company to be necessary
to effect or evidence the conveyance to the Company of good and marketable title
to the Project or any portion thereof, subject to no lien other than any
Permitted Encumbrances (as defined in the Original Agreement).

         Section 4.6. Tax Covenants. The Company and the Issuer covenant and
agree that they will not use or permit the use by any person of any of the funds
provided by the Issuer hereunder or any other of its funds, directly or
indirectly, or direct the Trustee to invest any funds held by it under the
Indenture or this Agreement, in such manner as would, or enter into, or allow
any "related person" to enter into, any arrangement, formal or informal, that
would, or take or omit to take any other action that would, cause any Bond to be
an "arbitrage bond" within the meaning of Section 148(a) of the Code or result
in the loss of the exclusion from gross income for federal income tax purposes
of the interest paid on the Bonds. Without limiting the generality of the
foregoing, the Company covenants and agrees to comply with the requirements of
Sections 148(d) and 148(f) of the Code and any proposed, temporary, or final
regulations thereunder as may be applicable to the Bonds or the proceeds derived
from the sale of the Bonds or any other moneys. The Company acknowledges Section
6.03 of the Indenture and agrees to perform all duties imposed upon it by such
Section. Insofar as said Section imposes duties and responsibilities on the
Company, it is specifically incorporated herein by reference.

                                    ARTICLE V

                         EVENTS OF DEFAULT AND REMEDIES

         Section 5.1. Events of Default. Each of the following shall be an
"Event of Default" under this Agreement:

                  (a) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         interest due or becoming due on any of the Bonds for a period of five
         days after the same shall become due and payable.

                  (b) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         principal of, or premium, if any, on any of the Bonds when the same
         shall become due and payable.

                  (c) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         purchase price on any of the Bonds after the same shall become due and
         payable.

                  (d) Failure by the Company to observe and perform any
         covenant, condition, or agreement in this Agreement on its part to be
         observed or performed, other than as referred to in subsections (a),
         (b), and (c) of this Section, for a period of 90 days after written
         notice, specifying such failure and requesting that it be remedied, is
         given to the Company by the Issuer or the Trustee, unless extended
         prior to the expiration of such period as described below.

                  (e) The dissolution or liquidation of the Company, except as
         permitted by Section 4.4 hereof, or the commencement by the Company of
         any case or proceeding seeking to have an order for relief entered on
         its behalf as a debtor or to adjudicate it as bankrupt or insolvent or
         seeking reorganization, liquidation, dissolution, winding-up,
         arrangement, composition, readjustment of its debts or any other relief
         under any bankruptcy, insolvency, reorganization or other similar law
         of the United States or any state, or adjudication of the Company as
         bankrupt, or an assignment by the Company for the benefit of its
         creditors, or the entry by the Company into an agreement of composition
         with its creditors, or the approval by a court of competent
         jurisdiction of a petition applicable to the Company in any proceeding
         for its reorganization instituted under the provisions of Title 11 of
         the United States Code, as amended, or under any similar statutory
         provision which may hereafter be enacted.

                  (f) An "event of default" as defined in Section 8.01 of the
         Indenture shall have occurred and be continuing.

A default under clause (d) of this Section is not an Event of Default until the
Trustee or the holders of at least 25% in principal amount of the Bonds then
outstanding give the Issuer and the Company a notice specifying the default,
demanding that it be remedied and stating that the notice is a "Notice of
Default" and the Company does not cure the default within 90 days after receipt
of the notice, or within such longer period as the Trustee shall agree to. The
Trustee shall not unreasonably refuse to agree to a longer period if the default
cannot reasonably be cured within 90 days after receipt of the notice and the
Company has begun within 90 days and continued diligent efforts to correct the
default. The foregoing provisions of clause (d) of this Section are subject to
the further qualification that if by reason of force majeure the Company is
unable in whole or in part to carry out its agreements herein contained, other
than the obligations on the part of the Company contained in Section 6.3 of the
Original Agreement (incorporated by reference in Section 4.4 hereof) and Section
4.6 hereof, the Company shall not be deemed in default during the continuance of
such inability. The term "force majeure" as used herein shall mean the
following: acts of God; strikes, lockouts or other industrial disturbances; acts
of public enemies; orders of any kind of the government of the United States or
of the State or of any of their departments, agencies or officials, or of any
civil or military authority; insurrections; riots; epidemics; landslides;
lightning; earthquake; fire; hurricanes; storms; floods; washouts; droughts;
arrests; restraint of government and people; civil disturbances; explosions;
breakage or accident to machinery; partial or entire failure of utilities; or
any other cause or event not reasonably within the control of the Company. The
Company agrees, however, to remedy with all reasonable dispatch the cause or
causes preventing the Company from carrying out its agreements; provided that
the settlement of strikes, lockouts, and other industrial disturbances shall be
entirely within the discretion of the Company, and the Company shall not be
required to make settlement of strikes, lockouts, and other industrial
disturbances by acceding to the demands of the opposing party or parties when
such course is in the judgment of the Company unfavorable to the Company.

         Section 5.2. Remedies on Default. Whenever any Event of Default shall
have occurred and be continuing, the Issuer may, in addition to any other remedy
now or hereafter existing at law, in equity or by statute, take either or both
of the following remedial steps:

                  (a) By written notice to the Company, the Issuer may declare
         the total amount payable under clause (i) of the first sentence of the
         first paragraph of Section 3.1 of this Agreement, including the
         interest thereon, to be immediately due and payable, whereupon the same
         shall become immediately due and payable.

                  (b) The Issuer may take whatever action at law or in equity
         may appear necessary or desirable to collect the amounts referred to in
         (a) above then due and thereafter to become due, or to enforce
         performance and observance of any obligation, agreement, or covenant of
         the Company under this Agreement.

Any amounts collected pursuant to action taken under this Section 5.2 shall be
paid to the Trustee and applied in accordance with the provisions of the
Indenture or, if the Bonds have been fully paid (or provision for payment
thereof has been made in accordance with the provisions of the Indenture) and
the fees and expenses of the Trustee, the paying agent, and the Remarketing
Agent and all other amounts required to be paid under the Indenture shall have
been paid, to the Company.

         Section 5.3. Agreement to Pay Attorneys' Fees and Expenses. If the
Company should breach any of the provisions of this Agreement and the Issuer or
the Trustee should employ attorneys or incur other expenses for the collection
of amounts payable hereunder or the enforcement of performance or observance of
any obligation or agreement on the part of the Company herein contained, the
Company agrees that it will on demand therefor pay to the Issuer or the Trustee
the reasonable fees of such attorneys and such other reasonable expenses so
incurred by the Issuer or the Trustee.

         Section 5.4. No Additional Waiver Implied by One Waiver. If any
provision contained in this Agreement should be breached by either party and
thereafter waived by the other party, such waiver shall be limited to the
particular breach so waived and shall not be deemed to waive any other breach
hereunder.

                                   ARTICLE VI

                                  MISCELLANEOUS

         Section 6.1. Term of This Agreement. This Agreement shall remain in
full force and effect from the date hereof until such time as all of the
outstanding Bonds shall have been fully paid or provision made therefor in
accordance with the provisions of the Indenture, whichever shall first occur,
and the fees and expenses of the Trustee, the paying agent and the Remarketing
Agent and all other amounts payable by the Company under this Agreement shall
have been paid.

         Section 6.2. Notices. All notices, certificates or other communications
hereunder shall be sufficiently given and shall be deemed given when delivered
or mailed by registered or certified mail, postage prepaid, addressed as
follows: if to the Issuer, if by mail to the Chairman of the Board of Directors,
at Town Hall, Columbia, Alabama 36319; if to the Trustee, to 110 Office Park
Drive, Birmingham, Alabama 35223, Attention: Corporate Trust Department; if to
the Company, to 600 North 18th Street, Birmingham, Alabama 35291, Attention:
Treasurer; and if to the Remarketing Agent, to Merchant Capital, L.L.C., 250
Commerce Street, 4th Floor, Montgomery, Alabama 36104. A duplicate copy of each
notice, certificate or other communication given hereunder by either the Issuer
or the Company to the other shall also be given to the Trustee. The Issuer, the
Company, the Trustee and the Remarketing Agent may, by notice given hereunder,
designate any further or different addresses to which subsequent notices,
certificates, or other communications shall be sent.

         Section 6.3. Binding Effect. This Agreement shall inure to the benefit
of and shall be binding upon the Issuer, the Company, and their respective
successors and assigns.

         Section 6.4. Severability. If any provision of this Agreement shall be
held invalid or unenforceable by any court of competent jurisdiction, such
holding shall not invalidate or render unenforceable any other provision hereof.

         Section 6.5. Amounts Remaining Under the Indenture. Any amounts
remaining under the Indenture upon termination of this Agreement shall, to the
extent provided by Section 7.03 of the Indenture, belong to and be paid to the
Company by the Trustee.

         Section 6.6. Amendments. This Agreement may not be effectively
terminated except in accordance with the provisions hereof and may not be
effectively amended except by a written agreement in accordance with Article XI
of the Indenture and signed by the parties hereto.

         Section 6.7. Execution in Counterparts. This Agreement may be executed
in several counterparts, each of which shall be an original and all of which
shall constitute but one and the same instrument.

         Section 6.8. Applicable Law. This Agreement shall be governed by and
construed in accordance with the laws of the State of Alabama.

         Section 6.9. Captions. The captions or headings in this Agreement are
for convenience only and in no way define, limit or describe the scope or intent
of any provisions or sections of this Agreement.

         Section 6.10. Other Financing. Notwithstanding anything in this
Agreement to the contrary, the Issuer and the Company may hereafter enter into
agreements to provide for the financing or refinancing of costs of the Project
or any portion thereof in lieu of or in addition to the provisions herein.


<PAGE>


         IN WITNESS WHEREOF, the Issuer and the Company have caused this
Agreement to be executed in their respective corporate names and their
respective corporate seals to be hereunto affixed and attested by their duly
authorized officers, all as of the date first above written.

                        THE INDUSTRIAL DEVELOPMENT BOARD
                        OF THE TOWN OF COLUMBIA

[SEAL]

                        By:
                                 Chairman of the Board of Directors

ATTEST:

By:
         Secretary

                        ALABAMA POWER COMPANY

                        By:
                                          Vice President

ATTEST:

By:
         Secretary


<PAGE>


STATE OF ALABAMA
COUNTY OF JEFFERSON

         I,      , a Notary Public in and for said county in said state, hereby
certify that William D. Lanford, Jr., whose name as Chairman of the Board of
Directors of The Industrial Development Board of the Town of Columbia, a public
corporation and instrumentality under the laws of the State of Alabama, is
signed to the foregoing instrument and who is known to me, acknowledged before
me on this day that, being informed of the contents of the within instrument,
he, as such officer and with full authority executed the same voluntarily for
and as the act of said public corporation.

         Given under my hand and official seal of office this ________ day of
June, 1999.

                                                     Notary Public

                                                     My Commission Expires:

[SEAL]

STATE OF ALABAMA
COUNTY OF JEFFERSON

         I,      , a Notary Public in and for said county in said state, hereby
certify that , whose name as _____________________________ of Alabama Power
Company, a corporation organized and existing under the laws of the State of
Alabama, is signed to the foregoing instrument and who is known to me,
acknowledged before me on this day that, being informed of the contents of the
within instrument, he, as such officer and with full authority executed the same
voluntarily for and as the act of said corporation.

         Given under my hand and official seal of office this ________ day of
June, 1999.

                                                     Notary Public

                                                     My Commission Expires:

[SEAL]


                                                                     Exhibit C

                       THE INDUSTRIAL DEVELOPMENT BOARD OF
                              THE TOWN OF COLUMBIA

                                       and

                              ALABAMA POWER COMPANY

                              TWELFTH SUPPLEMENTARY
                           INSTALLMENT SALE AGREEMENT

                            Dated as of June 1, 1999

                                   Relating to

                                   $25,000,000

                    Pollution Control Revenue Refunding Bonds
                         (Alabama Power Company Project)

                                  Series 1999-C


                                     <PAGE>



                TWELFTH SUPPLEMENTARY INSTALLMENT SALE AGREEMENT

                                TABLE OF CONTENTS

                  (This Table of Contents is for convenience of
                reference only and is not a part of this Twelfth
                    Supplementary Installment Sale Agreement)

                                                                          Page

Parties                                                                      1
Recitals                                                                     1

                                    ARTICLE I
                            DEFINITIONS......................................2

                                   ARTICLE II

               RELATIONSHIP OF AGREEMENT TO THE ORIGINAL AGREEMENT
                     AND THE PRIOR SUPPLEMENTARY AGREEMENTS;

                              ISSUANCE OF THE BONDS

Section 2.1.      Relationship of Agreement to the Original Agreement........3
Section 2.2.      Issuance of Bonds..........................................4

                                   ARTICLE III

                             PROVISIONS FOR PAYMENT

Section 3.1.      Amounts Payable............................................4
Section 3.2.      Obligation of the Company Unconditional....................5
Section 3.3.      [reserved].................................................5
Section 3.4.      Assignment and Pledge of Payments and Rights
                  Under this Agreement.......................................5

                                   ARTICLE IV

                                SPECIAL COVENANTS

Section 4.1.      No Warranty of Suitability by the Issuer...................6
Section 4.2.      Use of Project.............................................6
Section 4.3.      Indemnity Against Claims...................................6
Section 4.4.      Incorporation of Certain Provisions of the Original
                  Agreement..................................................6
Section 4.5.      Further Assurances and Corrective Instruments..............6
Section 4.6.      Tax Covenants..............................................7



<PAGE>


                                    ARTICLE V

                         EVENTS OF DEFAULT AND REMEDIES

Section 5.1.      Events of Default..........................................7
Section 5.2.      Remedies on Default........................................9
Section 5.3.      Agreement to Pay Attorneys' Fees and Expenses..............9
Section 5.4.      No Additional Waiver Implied by One Waiver.................9

                                   ARTICLE VI

                                  MISCELLANEOUS

Section 6.1.      Term of This Agreement....................................10
Section 6.2.      Notices...................................................10
Section 6.3.      Binding Effect............................................10
Section 6.4.      Severability..............................................10
Section 6.5.      Amounts Remaining Under the Indenture.....................10
Section 6.6.      Amendments................................................10
Section 6.7.      Execution in Counterparts.................................10
Section 6.8.      Applicable Law............................................11
Section 6.9.      Captions..................................................11
Section 6.10.     Other Financing...........................................11



<PAGE>





         This TWELFTH SUPPLEMENTARY INSTALLMENT SALE AGREEMENT dated as of June
1, 1999, between THE INDUSTRIAL DEVELOPMENT BOARD OF THE TOWN OF COLUMBIA, a
public corporation duly created and validly existing pursuant to the
constitution and laws of the State of Alabama (the "Issuer"), and ALABAMA POWER
COMPANY, a corporation organized and existing under the laws of the State of
Alabama (the "Company"), evidences the agreement of the parties hereto.

                                    RECITALS

         WHEREAS, the Issuer was organized pursuant to the provisions of Act No.
648 enacted at the 1949 Regular Session of the Legislature of Alabama, as
heretofore amended, and further supplemented by Act No. 1893 enacted at the 1971
Regular Session of the Legislature of Alabama and Act No. 82-510 enacted at the
1982 Regular Session of the Legislature of Alabama (said Act No. 648, as amended
and supplemented being herein called the "Act"); and

         WHEREAS, under the Act the Issuer has the following powers, among
others:

                  (a) to acquire, whether by construction, purchase, exchange,
         gift, lease, or otherwise, and to enlarge, improve, replace, equip and
         maintain, one or more pollution control facilities, including all real
         and personal property deemed necessary or desirable in connection
         therewith,

                  (b) to issue its revenue bonds to pay the cost of pollution
         control facilities payable solely from the revenues and receipts
         derived from the leasing or sale by the Issuer of such pollution
         control facilities,

                  (c) to lease or sell to others and otherwise dispose of all or
         any portion of such pollution control facilities, and

                  (d) to issue its refunding bonds for the purpose of paying the
         principal of, premium, if any, and interest on, its outstanding revenue
         bonds; and

         WHEREAS, in order to promote the health, safety and prosperity of the
citizens of the State of Alabama through the protection of its air, water and
natural resources, the Issuer has previously undertaken to acquire, construct,
install, equip, and sell to the Company facilities, or portions thereof, certain
air and water pollution control and sewage and solid waste disposal facilities
installed and to be installed as a part of the Company's Joseph M. Farley
Nuclear Plant, located within the geographical area of operation of the Issuer
in Houston County, Alabama, which facilities comprise the Project (hereinafter
defined); and

         WHEREAS, at the request of the Company, the Issuer has agreed to issue
$25,000,000 aggregate principal amount of its Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-C, and to apply the
proceeds from the sale thereof toward the redemption of certain of the Issuer's
revenue bonds previously issued to provide financing or refinancing for the
Project;

         NOW, THEREFORE, for and in consideration of the premises and the mutual
covenants hereinafter contained, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto formally covenant, agree, and bind themselves
as follows:

                                    ARTICLE I

                                   DEFINITIONS

         The terms defined in the Indenture are used herein with the same
meanings given to such terms in the Indenture. In addition, the following terms
shall have the meanings set out below:

         "Agreement" means this Twelfth Supplementary Installment Sale Agreement
and any amendments and supplements hereto.

         "Bonds" means the Pollution Control Revenue Refunding Bonds (Alabama
Power Company Project), Series 1999-C, issued by the Issuer under the Indenture
in the aggregate principal amount of $25,000,000.

         "Event of Default" means any of the occurrences enumerated in Section
5.1 of this Agreement.

         "Indenture" means the Trust Indenture dated as of June 1, 1999,
relating to the Bonds, between the Issuer and SouthTrust Bank, National
Association, as Trustee, pursuant to which the Bonds are authorized to be
issued, and including any indenture supplemental thereto.

         "Original Agreement" means the Installment Sale Agreement dated as of
May 1, 1978, between the Issuer and the Company, as heretofore supplemented and
amended, excluding, however, the Prior Supplementary Agreements and this
Agreement.

         "Prior Bonds" means all revenue bonds heretofore issued by the Issuer
to finance or refinance the costs of the Project.

         "Prior Indenture" means the Trust Indenture dated as of May 1, 1978, by
and between the Issuer and the Trustee, as supplemented and amended.

         "Prior Supplementary Agreements" means the Supplementary Installment
Sale Agreement between the Issuer and the Company dated as of September 1, 1994,
the Second Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Third Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Fourth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Fifth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Sixth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Seventh Supplementary Installment Sale Agreement dated as of November 1, 1996,
the Eighth Supplementary Installment Sale Agreement dated as of November 1,
1997, and the Ninth Supplementary Installment Sale Agreement dated as of June 1,
1998.

         "Project" means the air and water pollution control and sewage and
solid waste disposal facilities financed and refinanced from the proceeds of the
Prior Bonds, including specifically the facilities financed from the proceeds of
the Series 1994 Bonds, as described in Exhibit A to the Original Agreement.

         "Series 1994 Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds, Series 1994 (Alabama Power Company Project) issued on September
27, 1994, in the original aggregate principal amount of $101,650,000.

         "Series 1999-A Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-A, to be issued
concurrently with the Bonds in the aggregate principal amount of $51,650,000.

         "Series 1999-B Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-B, to be issued
concurrently with the Bonds in the aggregate principal amount of $25,000,000.

                                   ARTICLE II

               RELATIONSHIP OF AGREEMENT TO THE ORIGINAL AGREEMENT
                     AND THE PRIOR SUPPLEMENTARY AGREEMENTS;

                              ISSUANCE OF THE BONDS

         Section 2.1. Relationship of Agreement to the Original Agreement. The
Original Agreement and the Prior Supplementary Agreements were executed and
delivered by the Issuer and the Company in connection with the issuance and sale
of the Prior Bonds, including the Series 1994 Bonds. Under the terms of the
Original Agreement, the Issuer agreed to finance, acquire, construct, install
and equip the Project and to sell the Project to the Company. The Company
agreed, inter alia, to assist the Issuer in the implementation of the Project
and to purchase the Project for a purchase price payable in installments due at
such times and in such amounts as would provide funds sufficient to pay the
principal of, premium, if any, and interest on the Prior Bonds when due, whether
at stated maturity upon redemption or acceleration, or otherwise. Upon the
redemption of the Series 1994 Bonds from proceeds of the Bonds, the Series
1999-A Bonds and the Series 1999-B Bonds, the Company will no longer be
obligated to make installment payments under the Prior Supplementary Agreements
with respect to the Series 1994 Bonds. By their execution and delivery of this
Agreement, which is intended to be complementary to the Original Agreement and
the Prior Supplementary Agreements, the Issuer and the Company ratify and
confirm the sale of the Project to the Company pursuant to the Original
Agreement, agree to continue the Original Agreement and the Prior Supplementary
Agreements in full force and effect, except for the provisions thereof requiring
the Company to make purchase price payments related to bonds of the Issuer which
have been fully paid and redeemed, and agree that, from and after the date of
this Agreement, the Company will make purchase price payments in installments
due at such times and in such amounts as will provide funds sufficient to pay
the principal of, premium, if any, interest on, and purchase price of all Bonds
issued under the Indenture. The parties acknowledge and confirm that the
Issuer's agreement to issue the Bonds and to apply the proceeds thereof to the
redemption of the Series 1994 Bonds (thereby reducing the Company's payment
obligations under the Prior Supplementary Agreements) constitutes fair and
adequate consideration for the additional obligations undertaken by the Company
pursuant to this Agreement. To the extent that any statement in, or provision
of, this Agreement conflicts with the Original Agreement or the Prior
Supplementary Agreements, the provisions of this Agreement shall be deemed to
control.

         Section 2.2. Issuance of Bonds. In order to provide a portion of the
funds necessary to refund the Series 1994 Bonds, the Issuer agrees that it will
initially issue and deliver the Bonds to the purchasers thereof at a price to be
approved in advance by the Company and will apply and deposit the proceeds
thereof in accordance with the terms of the Indenture. The Indenture shall be
satisfactory in form and substance to the Company and shall provide the manner
in which, and the purposes for which, proceeds of Bonds may be used and
invested.

                                   ARTICLE III

                             PROVISIONS FOR PAYMENT

         Section 3.1. Amounts Payable. The Company agrees to pay to the Trustee,
as assignee of the Issuer, in funds which will be immediately available on the
day payment is due, from time to time as the amount owed hereunder, including
interest thereon (which interest obligation shall equal the interest and
premium, if any, on the Bonds), amounts which, and at or before times which,
shall correspond (i) to the payments in respect of the principal of and premium,
if any, and interest on the Bonds whenever and in whatever manner the same shall
become due whether at stated maturity, upon redemption or acceleration or
otherwise, and (ii) the purchase price of the Bonds required or permitted to be
purchased under the Indenture. If (i) at the date any payment on the Bonds is
due, available moneys are held by the Trustee under the Indenture which are not
being held for the payment of Bonds due and payable but which have not been
presented for payment, or (ii) on any date on which Bonds are to be purchased
pursuant to Section 4.02 of the Indenture, there are any available moneys held
for the payment of the purchase price which are not being held for the purchase
of Bonds which have not been presented for purchase pursuant to Section 6 of the
form of Bonds, then, in each case, such moneys shall be credited against the
payment then due hereunder, first in respect of interest on the amount then due
and owing hereunder and then, to the extent of remaining moneys, in respect of
principal on the amount then due and owing hereunder.

         The Company will also pay: (i) the fees, charges and reasonable
expenses of the Trustee, the paying agent and the Remarketing Agent under the
Indenture, such fees, charges, and reasonable expenses to be paid directly to
the Trustee, the paying agent and the Remarketing Agent for their respective
accounts as and when such fees, charges and reasonable expenses become due and
payable, (ii) any expenses and costs incurred or to be incurred by virtue of the
issuance of the Bonds, (iii) any expenses in connection with any redemption of
the Bonds, and (iv) any expenses in connection with the redemption of the Series
1994 Bonds.

         The Company also agrees that, on or before the date of redemption of
the Series 1994 Bonds, it will pay to the Series 1994 Trustee for deposit into
the Bond Fund held by the Series 1994 Trustee in connection with the Series 1994
Bonds, an amount of funds which, when added to the proceeds of the Bonds, the
Series 1999-A Bonds and the Series 1999-B Bonds (other than proceeds, if any,
representing accrued interest), plus any investment earnings thereon, and any
other funds available for such purpose, will be sufficient to permit the Series
1994 Trustee to pay the principal of, premium and accrued interest on the Series
1994 Bonds upon their redemption, which shall occur no later than 90 days after
the date of issuance of the Bonds.

         Section 3.2. Obligation of the Company Unconditional. The obligation of
the Company to make the payments as provided in this Agreement and to perform
and observe the other agreements on its part contained herein shall be absolute
and unconditional notwithstanding failure of the Issuer's title to the Project
or any part thereof, loss of title to (or the temporary use of) the Project by
virtue of the exercise by others of the power of eminent domain, any acts or
circumstances that may constitute failure of consideration, destruction of or
damage to the Project, commercial frustration of purpose, any change in the tax
or other laws of the United States of America or of the State of Alabama or any
political subdivision of either thereof, or any failure of the Issuer to perform
and observe any agreement, whether express or implied, or any duty, liability or
obligation arising out of or connected with this Agreement. Nothing contained in
this Section 3.2 shall be construed to release the Issuer from the performance
of any of the agreements on its part herein contained; and, in the event the
Issuer should fail to perform any such agreement on its part, the Company may
institute such action against the Issuer as the Company may deem necessary to
compel performance or recover its damages for nonperformance so long as such
action shall not violate the agreements on the part of the Company contained in
the preceding sentence, but in no event shall the Company be entitled to any
diminution of the amounts payable under Section 3.1 hereof. The Company may,
however, at its own cost and expense and in its own name or in the name of the
Issuer, prosecute or defend any action or proceeding or take any other action
involving third persons which the Company deems reasonably necessary in order to
secure or protect its right of possession, occupancy and use of the Project
hereunder, and in such event the Issuer hereby agrees to cooperate fully with
the Company and to take all action necessary to effect the substitution of the
Company for the Issuer in any such action or proceeding if the Company shall so
request.

         Section 3.3.      [reserved].

         Section 3.4. Assignment and Pledge of Payments and Rights Under this
Agreement. The Issuer shall assign and pledge to the Trustee as security under
the Indenture all rights, title and interests of the Issuer in and to this
Agreement, and all moneys receivable hereunder (except for payments under the
second and third paragraphs of Section 3.1 and under Sections 4.3 and 5.3
hereof). The Company assents to such assignment and hereby agrees that, as to
the Trustee, its obligations to make such payments shall be absolute and shall
not be subject to any defense or any right of set-off, counterclaim, or
recoupment arising out of any breach by the Issuer or the Trustee of any
obligation to the Company, whether hereunder or otherwise, or out of any
indebtedness or liability at any time owing to the Company by the Issuer or the
Trustee.

                                   ARTICLE IV

                                SPECIAL COVENANTS

         Section 4.1. No Warranty of Suitability by the Issuer. THE ISSUER MAKES
NO WARRANTY EITHER EXPRESS OR IMPLIED AS TO THE PROJECT, INCLUDING ITS
SUITABILITY FOR THE COMPANY'S PURPOSES OR NEEDS.

         Section 4.2. Use of Project. The Issuer hereby covenants and agrees
that it will not take any action, other than pursuant to the exercise of its
rights under Section 5.2 of this Agreement and under the corresponding
provisions of the Original Agreement, to prevent the Company from having
possession and enjoyment of the Project during the term of this Agreement and
will, at the request of the Company and at the Company's cost, cooperate with
the Company in order that the Company may have possession and enjoyment of the
Project.

         Section 4.3. Indemnity Against Claims. The Company will pay and
discharge and will indemnify and hold harmless the Issuer from (a) any lien or
charge upon payments by the Company hereunder, (b) any taxes, assessments,
impositions, and other charges upon payments by the Company to the Issuer
hereunder, and (c) any and all liabilities, damages, costs, and expenses arising
out of or resulting from the transactions contemplated by this Agreement and the
Indenture, including the reasonable fees and expenses of counsel. If any such
lien or charge is sought to be imposed upon payments, or any such taxes,
assessments, impositions, or other charges are sought to be imposed, or any such
liability, damages, costs, and expenses are sought to be imposed, the Issuer
will give prompt notice to the Company, and the Company shall have the sole
right and duty to assume, and will assume, the defense thereof, with full power
to litigate, compromise or settle the same in its sole discretion.

         Section 4.4. Incorporation of Certain Provisions of the Original
Agreement. The provisions of the following sections of the Original Agreement
are incorporated herein by reference with the effect that the terms of such
sections shall apply with the same force and effect as if set out in full
herein: Section 5.1 (relating to maintenance of the Project); Section 5.2
(relating to removal of portions of the Project); Section 5.3 (relating to the
payment of taxes and other governmental charges); Section 5.4 (relating to
insurance); Section 5.5 (relating to eminent domain); Section 6.2 (relating to
inspection of the Project); Section 6.3 (relating to maintenance of the
Company's corporate existence); Section 6.4 (relating to the provision of
certain financial statements); and Section 7.1 (relating to the Company's right
to assign its interest in the Original Agreement and to lease the Project). The
provisions so incorporated shall remain in force throughout the term of this
Agreement notwithstanding any earlier termination of the Original Agreement.

         Section 4.5. Further Assurances and Corrective Instruments. The Issuer
and the Company agree that they will, from time to time, execute, acknowledge
and deliver, or cause to be executed, acknowledged, and delivered, such
supplements hereto and such further instruments as may reasonably be required
for correcting any inadequate or incorrect description of the Project and for
carrying out the intention or facilitating the performance of this Agreement.

         The Issuer will, upon the request and at the expense of the Company,
cause the execution and delivery from time to time to the Company of such
further instruments of conveyance as are deemed by the Company to be necessary
to effect or evidence the conveyance to the Company of good and marketable title
to the Project or any portion thereof, subject to no lien other than any
Permitted Encumbrances (as defined in the Original Agreement).

         Section 4.6. Tax Covenants. The Company and the Issuer covenant and
agree that they will not use or permit the use by any person of any of the funds
provided by the Issuer hereunder or any other of its funds, directly or
indirectly, or direct the Trustee to invest any funds held by it under the
Indenture or this Agreement, in such manner as would, or enter into, or allow
any "related person" to enter into, any arrangement, formal or informal, that
would, or take or omit to take any other action that would, cause any Bond to be
an "arbitrage bond" within the meaning of Section 148(a) of the Code or result
in the loss of the exclusion from gross income for federal income tax purposes
of the interest paid on the Bonds. Without limiting the generality of the
foregoing, the Company covenants and agrees to comply with the requirements of
Sections 148(d) and 148(f) of the Code and any proposed, temporary, or final
regulations thereunder as may be applicable to the Bonds or the proceeds derived
from the sale of the Bonds or any other moneys. The Company acknowledges Section
6.03 of the Indenture and agrees to perform all duties imposed upon it by such
Section. Insofar as said Section imposes duties and responsibilities on the
Company, it is specifically incorporated herein by reference.

                                    ARTICLE V

                         EVENTS OF DEFAULT AND REMEDIES

         Section 5.1. Events of Default. Each of the following shall be an
"Event of Default" under this Agreement:

                  (a) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         interest due or becoming due on any of the Bonds for a period of five
         days after the same shall become due and payable.

                  (b) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         principal of, or premium, if any, on any of the Bonds when the same
         shall become due and payable.

                  (c) Failure by the Company to pay or cause to be paid that
         portion of the amounts payable hereunder which is attributable to the
         purchase price on any of the Bonds after the same shall become due and
         payable.

                  (d) Failure by the Company to observe and perform any
         covenant, condition, or agreement in this Agreement on its part to be
         observed or performed, other than as referred to in subsections (a),
         (b), and (c) of this Section, for a period of 90 days after written
         notice, specifying such failure and requesting that it be remedied, is
         given to the Company by the Issuer or the Trustee, unless extended
         prior to the expiration of such period as described below.

                  (e) The dissolution or liquidation of the Company, except as
         permitted by Section 4.4 hereof, or the commencement by the Company of
         any case or proceeding seeking to have an order for relief entered on
         its behalf as a debtor or to adjudicate it as bankrupt or insolvent or
         seeking reorganization, liquidation, dissolution, winding-up,
         arrangement, composition, readjustment of its debts or any other relief
         under any bankruptcy, insolvency, reorganization or other similar law
         of the United States or any state, or adjudication of the Company as
         bankrupt, or an assignment by the Company for the benefit of its
         creditors, or the entry by the Company into an agreement of composition
         with its creditors, or the approval by a court of competent
         jurisdiction of a petition applicable to the Company in any proceeding
         for its reorganization instituted under the provisions of Title 11 of
         the United States Code, as amended, or under any similar statutory
         provision which may hereafter be enacted.

                  (f) An "event of default" as defined in Section 8.01 of the
         Indenture shall have occurred and be continuing.

A default under clause (d) of this Section is not an Event of Default until the
Trustee or the holders of at least 25% in principal amount of the Bonds then
outstanding give the Issuer and the Company a notice specifying the default,
demanding that it be remedied and stating that the notice is a "Notice of
Default" and the Company does not cure the default within 90 days after receipt
of the notice, or within such longer period as the Trustee shall agree to. The
Trustee shall not unreasonably refuse to agree to a longer period if the default
cannot reasonably be cured within 90 days after receipt of the notice and the
Company has begun within 90 days and continued diligent efforts to correct the
default. The foregoing provisions of clause (d) of this Section are subject to
the further qualification that if by reason of force majeure the Company is
unable in whole or in part to carry out its agreements herein contained, other
than the obligations on the part of the Company contained in Section 6.3 of the
Original Agreement (incorporated by reference in Section 4.4 hereof) and Section
4.6 hereof, the Company shall not be deemed in default during the continuance of
such inability. The term "force majeure" as used herein shall mean the
following: acts of God; strikes, lockouts or other industrial disturbances; acts
of public enemies; orders of any kind of the government of the United States or
of the State or of any of their departments, agencies or officials, or of any
civil or military authority; insurrections; riots; epidemics; landslides;
lightning; earthquake; fire; hurricanes; storms; floods; washouts; droughts;
arrests; restraint of government and people; civil disturbances; explosions;
breakage or accident to machinery; partial or entire failure of utilities; or
any other cause or event not reasonably within the control of the Company. The
Company agrees, however, to remedy with all reasonable dispatch the cause or
causes preventing the Company from carrying out its agreements; provided that
the settlement of strikes, lockouts, and other industrial disturbances shall be
entirely within the discretion of the Company, and the Company shall not be
required to make settlement of strikes, lockouts, and other industrial
disturbances by acceding to the demands of the opposing party or parties when
such course is in the judgment of the Company unfavorable to the Company.

         Section 5.2. Remedies on Default. Whenever any Event of Default shall
have occurred and be continuing, the Issuer may, in addition to any other remedy
now or hereafter existing at law, in equity or by statute, take either or both
of the following remedial steps:

                  (a) By written notice to the Company, the Issuer may declare
         the total amount payable under clause (i) of the first sentence of the
         first paragraph of Section 3.1 of this Agreement, including the
         interest thereon, to be immediately due and payable, whereupon the same
         shall become immediately due and payable.

                  (b) The Issuer may take whatever action at law or in equity
         may appear necessary or desirable to collect the amounts referred to in
         (a) above then due and thereafter to become due, or to enforce
         performance and observance of any obligation, agreement, or covenant of
         the Company under this Agreement.

Any amounts collected pursuant to action taken under this Section 5.2 shall be
paid to the Trustee and applied in accordance with the provisions of the
Indenture or, if the Bonds have been fully paid (or provision for payment
thereof has been made in accordance with the provisions of the Indenture) and
the fees and expenses of the Trustee, the paying agent, and the Remarketing
Agent and all other amounts required to be paid under the Indenture shall have
been paid, to the Company.

         Section 5.3. Agreement to Pay Attorneys' Fees and Expenses. If the
Company should breach any of the provisions of this Agreement and the Issuer or
the Trustee should employ attorneys or incur other expenses for the collection
of amounts payable hereunder or the enforcement of performance or observance of
any obligation or agreement on the part of the Company herein contained, the
Company agrees that it will on demand therefor pay to the Issuer or the Trustee
the reasonable fees of such attorneys and such other reasonable expenses so
incurred by the Issuer or the Trustee.

         Section 5.4. No Additional Waiver Implied by One Waiver. If any
provision contained in this Agreement should be breached by either party and
thereafter waived by the other party, such waiver shall be limited to the
particular breach so waived and shall not be deemed to waive any other breach
hereunder.

                                   ARTICLE VI

                                  MISCELLANEOUS

         Section 6.1. Term of This Agreement. This Agreement shall remain in
full force and effect from the date hereof until such time as all of the
outstanding Bonds shall have been fully paid or provision made therefor in
accordance with the provisions of the Indenture, whichever shall first occur,
and the fees and expenses of the Trustee, the paying agent and the Remarketing
Agent and all other amounts payable by the Company under this Agreement shall
have been paid.

         Section 6.2. Notices. All notices, certificates or other communications
hereunder shall be sufficiently given and shall be deemed given when delivered
or mailed by registered or certified mail, postage prepaid, addressed as
follows: if to the Issuer, if by mail to the Chairman of the Board of Directors,
at Town Hall, Columbia, Alabama 36319; if to the Trustee, to 110 Office Park
Drive, Birmingham, Alabama 35223, Attention: Corporate Trust Department; if to
the Company, to 600 North 18th Street, Birmingham, Alabama 35291, Attention:
Treasurer; and if to the Remarketing Agent, to Regions Investment Company, Inc.,
2011 4th Avenue North, Birmingham, Alabama 35203. A duplicate copy of each
notice, certificate or other communication given hereunder by either the Issuer
or the Company to the other shall also be given to the Trustee. The Issuer, the
Company, the Trustee and the Remarketing Agent may, by notice given hereunder,
designate any further or different addresses to which subsequent notices,
certificates, or other communications shall be sent.

         Section 6.3. Binding Effect. This Agreement shall inure to the benefit
of and shall be binding upon the Issuer, the Company, and their respective
successors and assigns.

         Section 6.4. Severability. If any provision of this Agreement shall be
held invalid or unenforceable by any court of competent jurisdiction, such
holding shall not invalidate or render unenforceable any other provision hereof.

         Section 6.5. Amounts Remaining Under the Indenture. Any amounts
remaining under the Indenture upon termination of this Agreement shall, to the
extent provided by Section 7.03 of the Indenture, belong to and be paid to the
Company by the Trustee.

         Section 6.6. Amendments. This Agreement may not be effectively
terminated except in accordance with the provisions hereof and may not be
effectively amended except by a written agreement in accordance with Article XI
of the Indenture and signed by the parties hereto.

         Section 6.7. Execution in Counterparts. This Agreement may be executed
in several counterparts, each of which shall be an original and all of which
shall constitute but one and the same instrument.

         Section 6.8. Applicable Law. This Agreement shall be governed by and
construed in accordance with the laws of the State of Alabama.

         Section 6.9. Captions. The captions or headings in this Agreement are
for convenience only and in no way define, limit or describe the scope or intent
of any provisions or sections of this Agreement.

         Section 6.10. Other Financing. Notwithstanding anything in this
Agreement to the contrary, the Issuer and the Company may hereafter enter into
agreements to provide for the financing or refinancing of costs of the Project
or any portion thereof in lieu of or in addition to the provisions herein.


<PAGE>


         IN WITNESS WHEREOF, the Issuer and the Company have caused this
Agreement to be executed in their respective corporate names and their
respective corporate seals to be hereunto affixed and attested by their duly
authorized officers, all as of the date first above written.

                        THE INDUSTRIAL DEVELOPMENT BOARD

                        OF THE TOWN OF COLUMBIA

[SEAL]

                        By:
                                 Chairman of the Board of Directors

ATTEST:

By:
         Secretary

                        ALABAMA POWER COMPANY

                        By:
                                          Vice President

ATTEST:

By:
         Secretary


<PAGE>


STATE OF ALABAMA
COUNTY OF JEFFERSON

         I,      , a Notary Public in and for said county in said state, hereby
certify that William D. Lanford, Jr., whose name as Chairman of the Board of
Directors of The Industrial Development Board of the Town of Columbia, a public
corporation and instrumentality under the laws of the State of Alabama, is
signed to the foregoing instrument and who is known to me, acknowledged before
me on this day that, being informed of the contents of the within instrument,
he, as such officer and with full authority executed the same voluntarily for
and as the act of said public corporation.

         Given under my hand and official seal of office this ________ day of
June, 1999.

                                                    Notary Public

                                                     My Commission Expires:

[SEAL]

STATE OF ALABAMA
COUNTY OF JEFFERSON

         I,      , a Notary Public in and for said county in said state, hereby
certify that , whose name as _____________________________ of Alabama Power
Company, a corporation organized and existing under the laws of the State of
Alabama, is signed to the foregoing instrument and who is known to me,
acknowledged before me on this day that, being informed of the contents of the
within instrument, he, as such officer and with full authority executed the same
voluntarily for and as the act of said corporation.

         Given under my hand and official seal of office this ________ day of
June, 1999.

                                                    Notary Public

                                                     My Commission Expires:

[SEAL]


                                                                     Exhibit D

                        THE INDUSTRIAL DEVELOPMENT BOARD
                             OF THE TOWN OF COLUMBIA

                                       to

                                SOUTHTRUST BANK,
                              NATIONAL ASSOCIATION,

                                   as Trustee

                                 TRUST INDENTURE

                            Dated as of June 1, 1999

                                   Relating to

                                   $51,650,000

                    Pollution Control Revenue Refunding Bonds
                         (Alabama Power Company Project)

                                  Series 1999-A


<PAGE>




                                TABLE OF CONTENTS

GRANTING CLAUSE............................................................3

                                   ARTICLE I

DEFINITIONS AND RULES OF CONSTRUCTION......................................4
         Section 1.01.          Definitions................................4
         Section 1.02.          Rules of Construction......................9

                                   ARTICLE II

THE BONDS..................................................................9
         Section 2.01.          Issuance of Bonds:  Form; Dating...........9
         Section 2.02.          Interest on the Bonds......................9
         Section 2.03.          Execution and Authentication..............16
         Section 2.04.          Bond Register............................ 16
         Section 2.05.          Registration and Exchange of Bonds;
                                Persons Treated as Owners.................16
         Section 2.06.          Mutilated, Lost, Stolen, Destroyed
                                or Undelivered Bonds......................17
         Section 2.07.          Cancellation of Bonds.....................18
         Section 2.08.          Temporary Bonds...........................18

                                  ARTICLE III

REDEMPTION, PURCHASES IN LIEU OF REDEMPTION AND REMARKETING...............18
         Section 3.01.          Notices to Trustee........................18
         Section 3.02.          Redemption Dates..........................18
         Section 3.03.          Selection of Bonds to Be Redeemed.........18
         Section 3.04.          Redemption Notices........................18
         Section 3.05.          Payment of Bonds Called for Redemption....20
         Section 3.06.          Bonds Redeemed in Part....................20
         Section 3.07.          Purchase of Bonds in Lieu of Redemption...20
         Section 3.08.          Disposition of Purchased Bonds............21

                                   ARTICLE IV

APPLICATION OF PROCEEDS AND PAYMENT OF BONDS..............................22
         Section 4.01.          Application of Proceeds...................22
         Section 4.02.          Payment of Bonds..........................23
         Section 4.03.          Investments of Moneys.....................23
         Section 4.04.          Moneys Held in Trust......................24

                                   ARTICLE V

BOOK-ENTRY SYSTEM.........................................................24
         Section 5.01.          Book-Entry System.........................24

                                   ARTICLE VI

COVENANTS.................................................................26
         Section 6.01.          Prompt Payment of Bonds...................26
         Section 6.02.          Recording and Filing; Further Assurances..26
         Section 6.03.          Tax Covenants.............................26

                                  ARTICLE VII

DISCHARGE OF INDENTURE....................................................27
         Section 7.01.          Bonds Deemed Paid; Discharge of Indenture.27
         Section 7.02.          Application of Trust Money................28
         Section 7.03.          Repayment to Company......................28

                                  ARTICLE VIII

DEFAULTS AND REMEDIES.....................................................28
         Section 8.01.          Events of Default.........................28
         Section 8.02.          Acceleration..............................29
         Section 8.03.          Other Remedies............................29
         Section 8.04.          Waiver of Past Defaults...................29
         Section 8.05.          Control by Majority.......................29
         Section 8.06.          Limitation on Suits.......................30
         Section 8.07.          Rights of Holders to Receive Payment......30
         Section 8.08.          Collection Suit by Trustee................30
         Section 8.09.          Trustee May File Proofs of Claim..........30
         Section 8.10.          Priorities................................30
         Section 8.11.          Undertaking for Costs.....................31

                                   ARTICLE IX

TRUSTEE AND REMARKETING AGENT.............................................31
         Section 9.01.          Duties of Trustee.........................31
         Section 9.02.          Rights of Trustee.........................32
         Section 9.03.          Individual Rights of Trustee..............32
         Section 9.04.          Trustee's Disclaimer......................32
         Section 9.05.          Notice of Defaults........................33
         Section 9.06.          Compensation and Indemnity of Trustee.....33
         Section 9.07.          Eligibility of Trustee....................33
         Section 9.08.          Replacement of Trustee....................33
         Section 9.09.          Acceptance of Trust by Successor Trustee..34
         Section 9.10.          [reserved]................................35
         Section 9.11.          Duties of Remarketing Agent...............35
         Section 9.12.          Eligibility of Remarketing Agent..........35
         Section 9.13.          Replacement of Remarketing Agent..........35
         Section 9.14.          Compensation of Remarketing Agent.........36
         Section 9.15.          Successor Trustee or Remarketing Agent
                                by Merger.................................36

                                   ARTICLE X

AMENDMENTS OF AND SUPPLEMENTS TO INDENTURE................................36
         Section 10.01.         Without Consent of Bondholders............36
         Section 10.02.         With Consent of Bondholders...............37
         Section 10.03.         Effect of Consents........................37
         Section 10.04.         Notation on or Exchange of Bonds..........37
         Section 10.05.         Signing by Trustee of Amendments
                                and Supplements...........................38
         Section 10.06.         Company Consent Required..................38
         Section 10.07.         Notice to Bondholders.....................38

                                   ARTICLE XI

AMENDMENTS OF AND SUPPLEMENTS TO THE AGREEMENT............................38
         Section 11.01.         Without Consent of Bondholders............38
         Section 11.02.         With Consent of Bondholders...............38
         Section 11.03.         Consents by Trustee to Amendments
                                or Supplements............................38

                                  ARTICLE XII

MISCELLANEOUS.............................................................39
         Section 12.01.         Notices...................................39
         Section 12.02.         Bondholders' Consents.....................40
         Section 12.03.         Appointment of Separate Paying Agent
                                and/or Tender Agent.......................40
         Section 12.04.         Limitation of Rights......................41
         Section 12.05.         Severability..............................41
         Section 12.06.         Payments Due on Non-Business Days.........41
         Section 12.07.         Governing Law.............................41
         Section 12.08.         Captions..................................41
         Section 12.09.         No Recourse Against Issuer's Officers.....41
         Section 12.10.         Limitation of Liability...................41
         Section 12.11.         Counterparts..............................41

EXHIBIT A......................................................Form of Bond


<PAGE>



                                 TRUST INDENTURE

         THIS TRUST INDENTURE made and entered into as of June 1, 1999, by and
between THE INDUSTRIAL DEVELOPMENT BOARD OF THE TOWN OF COLUMBIA, a public
corporation organized and existing under the laws of the State of Alabama (the
"Issuer"), and SOUTHTRUST BANK, NATIONAL ASSOCIATION, a national banking
association duly organized, existing and authorized to accept and execute trusts
of the character herein set out under and by virtue of the laws of the United
States of America, as trustee (the "Trustee");

                              W I T N E S S E T H:

         WHEREAS, under Act No. 648 enacted at the 1949 Regular Session of the
Alabama Legislature, as heretofore amended and supplemented by Act No. 1893
enacted at the 1971 Regular Session of the Alabama Legislature and Act No.
82-510 enacted at the 1982 Regular Session of the Alabama Legislature (Act No.
648, as amended and supplemented, being herein called the "Act") the Issuer has
the following powers, among others:

                 (a) to acquire, whether by construction, purchase, exchange,
         gift, lease or otherwise, and to enlarge, improve, replace, equip and
         maintain, one or more pollution control facilities, including all real
         and personal property deemed necessary or desirable in connection
         therewith,

                 (b) to issue its revenue bonds to pay the cost of pollution
         control facilities, such bonds to be payable solely from the revenues
         and receipts derived from the leasing or sale by the Issuer of such
         pollution control facilities,

                 (c) to lease or sell to others and otherwise dispose of all of,
         or any portion of, such pollution control facilities, and

                 (d) to issue its refunding bonds for the purpose of paying the
         principal of, premium, if any, and accrued interest on, its outstanding
         revenue bonds;

         WHEREAS, in order to promote the health, safety and prosperity of the
citizens of the State of Alabama through the protection of its air, water and
natural resources, the Issuer has undertaken to acquire, construct, install,
equip and sell to Alabama Power Company (the "Company") facilities or portions
thereof, designed for the abatement or control of air and water pollution, and
the disposal of sewage and solid wastes at the Company's Joseph M. Farley
Nuclear Plant, which is located within the geographical area of operation of the
Issuer in Houston County, Alabama, which facilities comprise the Project and are
generally described in Exhibit A to the Original Agreement described below, and
in furtherance of the above-mentioned purposes, the Issuer and the Company
entered into an Installment Sale Agreement dated as of May 1, 1978 (the "Initial
Agreement"), as supplemented and amended by a First Supplemental Agreement
thereto dated as of November 1, 1984, a Second Supplemental Agreement thereto
dated as of December 1, 1984, a Third Supplemental Agreement thereto dated as of
June 1, 1985, a Fourth Supplemental Agreement thereto dated as of December 1,
1985, a Fifth Supplemental Agreement thereto dated as of December 31, 1985, a
Sixth Supplemental Agreement thereto dated as of November 1, 1986, and a Seventh
Supplemental Agreement dated as of June 1, 1993 (the Initial Agreement, as so
supplemented and amended being referred to herein as the "Original Agreement")
providing for the undertaking by the Issuer to acquire, construct, install,
equip and sell the Project to the Company;

         WHEREAS, the Original Agreement provided that, in order to finance the
Project, the Issuer would issue and sell its revenue bonds in one or more series
and that the Issuer would sell the Project (including improvements with respect
to the Project) to the Company for the purchase price stated in the Original
Agreement;

         WHEREAS, in order to finance or refinance a portion of the costs of the
Project, the Issuer has heretofore issued various series of its revenue bonds
including $101,650,000 aggregate principal amount of its Pollution Control
Revenue Refunding Bonds, Series 1994 (Alabama Power Company Project) (the
"Series 1994 Bonds");

         WHEREAS, in connection with various series of revenue bonds heretofore
issued by the Issuer to finance or refinance the Project, the Issuer and the
Company have entered into the Prior Supplementary Agreements (as hereinafter
defined);

         WHEREAS, the Issuer and the Company have entered into a Tenth
Supplementary Installment Sale Agreement dated of as June 1, 1999 (the
"Agreement"), providing that for the purposes therein set forth, the Issuer will
issue and sell its Pollution Control Revenue Refunding Bonds (Alabama Power
Company Project), Series 1999-A;

         WHEREAS, pursuant to and in accordance with the provisions of the Act,
the Issuer now intends to issue its Pollution Control Revenue Refunding Bonds
(Alabama Power Company Project), Series 1999-A, in the aggregate principal
amount of $51,650,000 (the "Bonds") for the purpose of refunding a portion of
the Series 1994 Bonds;

         WHEREAS, the execution and delivery of this Trust Indenture (the
"Indenture"), and the issuance of the Bonds under the Act as herein provided
have been in all respects duly and validly authorized by proceedings duly passed
on and approved by the Issuer;

         WHEREAS, all other acts, conditions and things required by the
Constitution and laws of the State of Alabama to happen, exist and be performed
precedent to and in connection with the execution and delivery of this Indenture
and the Agreement have happened, exist and have been performed as so required,
in order to make this Indenture a valid and binding trust indenture for the
security of the Bonds in accordance with its terms and in order to make the
Agreement a valid and binding agreement in accordance with its terms;

         WHEREAS, the Company has agreed to make installment purchase payments
to the Issuer pursuant to the Agreement in amounts sufficient to pay the
principal, purchase price, premium, if any, and interest on the Bonds, all as
hereinafter defined;

         Accordingly, the Issuer and the Trustee agree as follows for the
benefit of each other and for the benefit of the holders of the Bonds issued
pursuant to this Indenture.

                                 GRANTING CLAUSE

         NOW, THEREFORE, THIS INDENTURE WITNESSETH, that in consideration of the
premises, of the acceptance by the Trustee of the trusts hereby created, and the
purchase and acceptance of the Bonds by the holders thereof, and also for and in
consideration of the sum of One Dollar ($1.00) to the Issuer in hand paid by the
Trustee at or before the execution and delivery of this Indenture, the receipt
of which is hereby acknowledged, and for the purpose of fixing and declaring the
terms and conditions upon which the Bonds are to be issued, authenticated,
delivered, secured and accepted by all persons who shall from time to time be or
become holders thereof, and in order to secure the payment of all Bonds at any
time issued and outstanding hereunder and the interest and the redemption
premiums, if any, thereon and the Purchase Price (hereinafter defined) therefor
according to their tenor, purport and effect, and in order to secure the
performance and observance of all the covenants, agreements and conditions
therein or herein contained, the Issuer has executed and delivered this
Indenture, and does hereby bargain, sell, convey, assign and pledge to the
Trustee, and grant to the Trustee a security interest in, all other rights,
title and interests of the Issuer in, to and under the Agreement, and all moneys
receivable thereunder, except for the Unassigned Rights, and all funds held by
the Trustee hereunder (other than moneys held for the purchase of Bonds which
have not been presented for payment) as security for the payment of the Bonds
and the fees, charges and expenses of the Trustee as aforesaid and the
satisfaction of any other obligation assumed by the Issuer in connection with
all outstanding Bonds at any time issued hereunder;

         TO HAVE AND TO HOLD the same unto the Trustee and its successors in
trust forever;

         IN TRUST NEVERTHELESS, upon the terms and trusts herein set forth, for
the equal and proportionate benefit and security of all and singular present and
future holders of the Bonds issued and to be issued under this Indenture,
without preference, priority or distinction as to lien or otherwise, except as
otherwise hereinafter provided, of any one Bond over any other Bond, by reason
of priority in the issue, sale or negotiation thereof or otherwise;

         PROVIDED, HOWEVER, that if the Issuer, its successors or assigns shall
pay or cause to be paid the principal and purchase price of, premium, if any,
and interest on the Bonds due or to become due thereon, at the times and in the
manner mentioned in the Bonds, and shall perform all the covenants and
conditions required of it by this Indenture, and shall pay or cause to be paid
to the Trustee, any additional paying agents and the Remarketing Agent
(hereinafter defined) all sums of money due or to become due to them in
accordance with the terms and provisions hereof, then upon such final payments
this Indenture and the rights hereby granted shall terminate and the Trustee
shall release this Indenture and shall execute such documents to evidence such
termination and release as may be reasonably required by the Issuer; otherwise,
this Indenture is to be and remain in full force and effect.

         THIS INDENTURE FURTHER WITNESSETH, and it is expressly declared, that
all Bonds from time to time issued and secured hereunder are to be issued,
authenticated and delivered, and all said property, rights and interests,
including, without limitation, the amounts hereby assigned and pledged, are to
be dealt with and disposed of subject to the terms of this Indenture, and the
Issuer agrees with the Trustee and with the respective holders and owners, from
time to time, of said Bonds, or part thereof, as follows:

                                    ARTICLE I

                      DEFINITIONS AND RULES OF CONSTRUCTION

         Section 1.01. Definitions. For all purposes of this Indenture, unless
the context requires otherwise, the following terms shall have the following
meanings:

         "Act" means Act No. 648 enacted at the 1949 Regular Session of the
Alabama Legislature, as amended from time to time, and presently codified as
Title 11, Chapter 54, Article 4 of the Code of Alabama 1975.

         "Agreement" means the Tenth Supplementary Installment Sale Agreement
dated as of June 1, 1999, between the Issuer and the Company, as amended and
supplemented from time to time.

         "Beneficial Owner" means the purchaser of a beneficial interest in the
Bonds when the Bonds are held by the Securities Depository in the Book-Entry
System, and otherwise means a Bondholder.

         "BMA Index" means, as of any date, the rate calculated according to the
Bond Market Association Municipal Swap Index as of the most recent date for
which such index was published or such other weekly, high-grade index composed
of weekly, tax-exempt variable rate demand notes produced by Municipal Market
Data, Inc. or any successor thereto, or as otherwise designated by the Bond
Market Association.

         "Bondholder" or "holder" means the registered owner of any Bond.

         "Bonds" means the Pollution Control Revenue Refunding Bonds (Alabama
Power Company Project), Series 1999-A, issued by the Issuer hereunder in the
aggregate principal amount of $51,650,000.

         "Book-Entry System" means the system maintained by the Securities
Depository described in Section 5.01.

         "Business Day" means any day other than (i) a Saturday or Sunday, (ii)
a day on which commercial banks are authorized by law to close (A) in the city
in which the principal corporate trust office of the Trustee is located, (B) in
the city in which the principal office of the Remarketing Agent is located or
(C) in New York, New York, or (iii) a day on which the New York Stock Exchange
is closed.

         "Code" means the Internal Revenue Code of 1986, as amended, and any
regulations thereunder.

         "Commercial Paper Mode" means each period of time, comprised of
Commercial Paper Periods, during which Commercial Paper Rates are in effect.

         "Commercial Paper Period" means, with respect to any Bond, each period
set under Section 2.02(a)(3).

         "Commercial Paper Rate" means the interest rate on each Bond set under
Section 2.02(a)(3).

         "Company" means Alabama Power Company, an Alabama corporation, and its
successors and assigns, and any surviving, resulting or transferee entity as
provided in Section 6.3 of the Original Agreement.

         "Company Representative" means any person at the time designated as
such pursuant to the provisions of the Original Agreement by a written
certificate furnished to the Trustee and the Issuer containing the specimen
signature of such person and signed on behalf of the Company by any of its
officers. The certificate may designate an alternate or alternates.

         "Daily Rate" means an interest rate on the Bonds set under Section
2.02(a)(1).

         "Event of Default" is defined in Section 8.01.

         "Favorable Opinion of Tax Counsel" means an Opinion of Tax Counsel
addressed to the Issuer and to the Trustee to the effect that the action
proposed to be taken is permitted by the laws of the State and by this Indenture
and will not adversely affect any exclusion from gross income for federal income
tax purposes of interest on the Bonds.

         "Government Obligations" means (i) noncallable direct obligations of
the United States for which its full faith and credit are pledged, (ii)
noncallable obligations of a Person controlled or supervised by and acting as an
agency or instrumentality of the United States, the timely payment of which is
unconditionally guaranteed as a full faith and credit obligation of the United
States, or (iii) securities or receipts evidencing ownership interests in
obligations or specified portions (such as principal or interest) of obligations
described in (i) or (ii).

         "Indenture" means this Trust Indenture, as it may be amended or
supplemented from time to time in accordance with its terms.

         "Interest Payment Date" is defined in the form of the Bonds appearing
in Exhibit A hereto.

         "Interest Period" is defined in the form of the Bonds appearing in
Exhibit A hereto.

         "Long-Term Interest Rate" means an interest rate on the Bonds set under
Section 2.02(a)(4).

         "Long-Term Interest Rate Period" is defined in Section 2.02(a)(4).

         "Maturity Date" means the stated maturity for the Bonds as set forth in
Section 2.01.

         "1954 Code" means the Internal Revenue Code of 1954, as amended, and
any regulations thereunder.

         "Opinion of Counsel" means a written opinion of counsel who is
acceptable to the Issuer and the Trustee. The counsel may be an employee of or
counsel to the Issuer, the Trustee or the Company.

         "Opinion of Tax Counsel" means an Opinion of Counsel by counsel of
nationally recognized standing in matters relating to the exclusion of interest
from gross income on obligations issued by states and their political
subdivisions or agencies.

         The term "outstanding" when used with reference to Bonds, or "Bonds
outstanding" means all Bonds which have been authenticated and delivered by the
Trustee under this Indenture, except the following:

                 (a) Bonds canceled or purchased by or delivered to the Trustee
for cancellation.

                 (b) Bonds that have become due (at maturity or on redemption,
         acceleration or otherwise) and for the payment, including interest
         accrued to the due date, of which sufficient moneys are held by the
         Trustee.

                 (c) Bonds deemed paid by Section 7.01.

                 (d) Bonds in lieu of which others have been authenticated under
         Section 2.05 (relating to registration and exchange of Bonds) or
         Section 2.06 (relating to mutilated, lost, stolen, destroyed or
         undelivered Bonds).

Bonds purchased by the Trustee or the Company pursuant to tenders or in lieu of
redemption under Article III will continue to be outstanding until the Company
directs the Trustee to cancel them. Bonds purchased pursuant to tenders or in
lieu of redemption and not delivered to the Trustee for payment are not
outstanding, but there will be outstanding Bonds authenticated and delivered in
lieu of such undelivered Bonds as provided in the second paragraph of Section
2.06.

         "Participant" means one of the entities which deposit securities,
directly or indirectly, in the Book-Entry System.

         "Person" means any individual, corporation, partnership, joint venture,
association, joint stock company, trust, estate, unincorporated organization or
government or any agency or political subdivision thereof.

         "Plant" means the Company's Joseph M. Farley Nuclear Plant located near
the Town of Columbia in Houston County, Alabama.

         The term "principal," when used with reference to any Bonds, includes
any premium payable on those Bonds.

         The term "principal corporate trust office", when used with respect to
the Trustee, means the corporate trust office of the Trustee located at 110
Office Park Drive, Birmingham, Alabama 35223, or such address designated by the
Trustee in accordance with the terms of this Indenture

         "Prior Indenture" means the Trust Indenture dated as of September 1,
1994, as supplemented and amended, under which the Series 1994 Bonds were
issued.

         "Prior Supplementary Agreements" means the Supplementary Installment
Sale Agreement between the Issuer and the Company dated as of September 1, 1994,
the Second Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Third Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Fourth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Fifth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Sixth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Seventh Supplementary Installment Sale Agreement dated as of November 1, 1996,
the Eighth Supplementary Installment Sale Agreement dated as of November 1,
1997, and the Ninth Supplementary Installment Sale Agreement dated as of June 1,
1998.

         "Project" means the air and water pollution control and sewage and
solid waste disposal facilities, a portion of the costs of which were financed
from the proceeds of the Issuer's $1,650,000 Pollution Control Revenue Bonds,
Series A (Alabama Power Company Farley Plant Project) and the Issuer's
$100,000,000 Pollution Control Revenue Bonds, Series B (Alabama Power Company
Farley Plant Project), said bonds having been refunded by the Series 1994 Bonds.
The Project and its original source of financing are described in Exhibit A to
the Original Agreement.

         "Purchase Price" means an amount equal to 100% of the principal amount
of any Bond tendered or deemed tendered pursuant to the provisions of paragraph
6 in the form of the Bonds appearing as Exhibit A hereto, plus accrued and
unpaid interest thereon to the date of purchase.

         "Record Date" is defined in the form of the Bonds appearing as Exhibit
A hereto.

         "Remarketing Agent" means SouthTrust Securities, Inc., and its
successors under this Indenture. The term "principal office", when used with
respect to the Remarketing Agent, means the principal office of the Remarketing
Agent designated in the remarketing agreement dated as of June 1, 1999, between
the Remarketing Agent and the Company.

         "Responsible Officer" means any officer or trust officer of the Trustee
assigned by the Trustee to administer its corporate trust matters.

         "Securities Depository" means The Depository Trust Company, New York,
New York, or its nominee, and its successors and assigns, or any successor
appointed under Section 5.01.

         "Series 1994 Bonds" means the Issuer's Pollution Control Revenue Bonds,
Series 1994 (Alabama Power Company Project) issued and outstanding in the
aggregate principal amount of $101,650,000.

         "Series 1994 Trustee" means SouthTrust Bank, National Association,
Birmingham, Alabama, in its capacity as Trustee for the Series 1994 Bonds.

         "Series 1999-B Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-B, issued in the
aggregate principal amount of $25,000,000.

         "Series 1999-C Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-C, issued in the
aggregate principal amount of $25,000,000.

         "State" means the State of Alabama.

         "Tax Agreement" means the Tax and Non-Arbitrage Certificate of the
Company dated the date of issuance of the Bonds.

         "Trustee" means the entity identified as such in the heading of this
Indenture and its successors under this Indenture.

         "Unassigned Rights" means the rights of the Issuer under the second and
third paragraphs of Section 3.1 (relating to fees and expenses and amounts
payable to redeem the Series 1994 Bonds), Section 4.3 (relating to
indemnification) and Section 5.3 (relating to expenses of collection) of the
Agreement.

         "Weekly Rate" means an interest rate on the Bonds set under Section
2.02(a)(2).

         Section 1.02. Rules of Construction. Unless the context otherwise
requires,

                 (a) an accounting term not otherwise defined has the meaning
         assigned to it in accordance with generally accepted accounting
         principles,

                 (b) references to Articles and Sections are to the Articles and
Sections of this Indenture, and

                 (c) the singular form of any word, including the terms defined
         in Section 1.01, includes the plural, and vice versa, and any reference
         to the male gender includes the female gender.

                                   ARTICLE II

                                    THE BONDS

         Section 2.01. Issuance of Bonds: Form; Dating. The Bonds shall be
designated "The Industrial Development Board of the Town of Columbia Pollution
Control Revenue Refunding Bonds (Alabama Power Company Project) Series 1999-A".
The total principal amount of Bonds that may be outstanding shall not exceed
$51,650,000. The Bonds shall be substantially in the form of Exhibit A, which is
part of this Indenture, in the denominations provided for in the Bonds. The
Bonds may have notations, legends or endorsements required by law or usage. The
Bonds will be numbered as determined by the Trustee.

         All Bonds will be dated the date of original issuance and delivery and
shall mature, subject to prior redemption, on June 1, 2022.

         Upon the execution and delivery of this Indenture, the Issuer will
execute and deliver the Bonds to the Trustee, and the Trustee will authenticate
the Bonds and deliver them to the purchaser or purchasers as directed by the
Issuer.

         Section 2.02. Interest on the Bonds. Interest on the Bonds will be
payable as provided in the Bonds and in this Section. Interest on the Bonds will
initially be payable at the Daily Rate. Bonds issued in exchange for Bonds
surrendered for transfer or exchange or in place of mutilated, lost, stolen,
destroyed or undelivered Bonds will bear interest from the last date to which
interest has been paid on the Bond or Bonds being transferred, exchanged or
replaced or, if no interest has been paid, as of the date of their original
issuance and delivery. The methods of determining the various interest rates are
as provided in the following paragraph (a). The interest rate determination
method may be changed by the Company as described in paragraph (b) below.

         (a) Interest Rate Determination Methods. While there exists an Event of
Default under the Indenture, the interest rate on the Bonds will be the rate on
the Bonds on the day before the Event of Default occurred, except that if
interest on any Bond was then payable at a Commercial Paper Rate, the interest
rate for all Bonds then bearing interest at a Commercial Paper Rate will be the
highest Commercial Paper Rate then in effect for any Bond.

                 (1) Daily Rate. When interest on the Bonds is payable at a
         Daily Rate, the Remarketing Agent will set a Daily Rate on or before
         11:00 a.m., New York time, on each Business Day for that Business Day.
         Each Daily Rate will be the minimum rate necessary (as determined by
         the Remarketing Agent based on the examination of tax-exempt
         obligations comparable to the Bonds known by the Remarketing Agent to
         have been priced or traded under then-prevailing market conditions) for
         the Remarketing Agent to sell the Bonds on the day the rate is set at
         their principal amount (without regard to accrued interest). The Daily
         Rate for any non-Business Day will be the rate for the last day for
         which a rate was set.

                 (2) Weekly Rate. When interest on the Bonds is payable at a
         Weekly Rate, the Remarketing Agent will set a Weekly Rate on or before
         5:00 p.m., New York time, on the last Business Day before the
         commencement of a period during which the Bonds bear interest at a
         Weekly Rate and on each Tuesday thereafter so long as interest on the
         Bonds is to be payable at a Weekly Rate or, if any Tuesday is not a
         Business Day, on the next preceding Business Day. Each Weekly Rate will
         be the minimum rate necessary (as determined by the Remarketing Agent
         based on the examination of tax-exempt obligations comparable to the
         Bonds known by the Remarketing Agent to have been priced or traded
         under then prevailing market conditions) for the Remarketing Agent to
         sell the Bonds on the date the rate is set at their principal amount
         (without regard to accrued interest). Each Weekly Rate shall apply to
         (i) the period beginning on the effective date of the change to a
         Weekly Rate and ending on the next Tuesday or (ii) the period beginning
         on the Wednesday after the Weekly Rate is set and ending on the
         following Tuesday or, if earlier, ending on the day before the
         effective date of a new method of determining the interest rate on the
         Bonds, as applicable.

                 (3) Commercial Paper Rate. During a Commercial Paper Mode, each
         Bond will bear interest during the Commercial Paper Period for such
         Bond at the Commercial Paper Rate for such Bond. Different Commercial
         Paper Periods may apply to different Bonds at any time and from time to
         time. Except as otherwise described in this subparagraph (3), the
         Commercial Paper Period and Commercial Paper Rate for each Bond will be
         determined by the Remarketing Agent no later than 12:15 p.m., New York
         time, on the first day of each Commercial Paper Period.

                     (i) Determination of Commercial Paper Periods. Each
                 Commercial Paper Period will be a period of at least one day
                 and not more than 365 days, determined by the Remarketing Agent
                 to be the period which, together with all other Commercial
                 Paper Periods for all Bonds then outstanding, will, in the
                 judgment of the Remarketing Agent, result in the lowest overall
                 interest expense on the Bonds over the next 365 days. Each
                 Commercial Paper Period will end on either the day before a
                 Business Day or on the day before the Maturity Date for such
                 Bond. However, any Bond purchased on behalf of the Company and
                 remaining unsold by the Remarketing Agent as of the close of
                 business on the first day of the Commercial Paper Period for
                 that Bond will have a Commercial Paper Period of one day or, if
                 that Commercial Paper Period would not end on a day before a
                 Business Day, a Commercial Paper Period of the shortest
                 possible duration greater than one day ending on a day before a
                 Business Day.

                     In determining the number of days in each Commercial Paper
                 Period, the Remarketing Agent shall take into account the
                 following factors: (I) existing short-term tax-exempt market
                 rates and indices of such short-term rates, (II) the existing
                 market supply and demand for short-term tax-exempt securities,
                 (III) existing yield curves for short-term and long-term
                 tax-exempt securities for obligations of credit quality
                 comparable to the Bonds, (IV) general economic conditions, (V)
                 industry economic and financial conditions that may affect or
                 be relevant to the Bonds, (VI) the number of days in other
                 Commercial Paper Periods applicable to the Bonds and (VII) such
                 other facts, circumstances and conditions as the Remarketing
                 Agent, in its sole discretion, shall determine to be relevant.

                     (ii) Determination of Commercial Paper Rates. The
                 Commercial Paper Rate for each Commercial Paper Period for each
                 Bond shall be the minimum rate necessary (as determined by the
                 Remarketing Agent based on the examination of tax-exempt
                 obligations comparable to the Bonds known by the Remarketing
                 Agent to have been priced or traded under the then-prevailing
                 market conditions) for the Remarketing Agent to sell such Bond
                 on the date and at the time of such determination at its
                 principal amount (without regard to accrued interest).

                 (4) Long-Term Interest Rate. When interest on the Bonds is
         payable at a Long-Term Interest Rate, the Remarketing Agent will set a
         Long-Term Interest Rate on a date no more than 15 days before the
         beginning of any period (a "Long-Term Interest Rate Period") in which
         interest on any of the Bonds is to be payable at a Long-Term Interest
         Rate. Each Long-Term Interest Rate will be the minimum rate necessary
         (as determined by the Remarketing Agent based on the examination of
         tax-exempt obligations comparable to the Bonds known by the Remarketing
         Agent to have been priced or traded under then-prevailing market
         conditions) for the Remarketing Agent to sell the Bonds on the
         effective date of the Long-Term Interest Rate at their principal amount
         (without regard to accrued interest).

                 (5) Failure of Remarketing Agent to Announce Interest Rates on
         the Bonds. If the appropriate interest rate or Commercial Paper Period
         is not or cannot be determined for whatever reason, the method of
         determining interest on the Bonds shall be automatically converted to
         the Daily Rate (without the necessity of complying with the
         requirements of Section 2.02(b)) and the interest rate shall be equal
         to the BMA Index, or such other index (or percentage of an index)
         deemed appropriate for tax-exempt securities of the nature of the Bonds
         as the Remarketing Agent, with the consent of the Trustee, may have
         previously selected, until such time as the method of determining
         interest on the Bonds can be changed in accordance with Section
         2.02(b); provided, that if the Bonds are then in a Long-Term Interest
         Rate Period, the Bonds shall bear interest at a Weekly Rate, but only
         if a Favorable Opinion of Tax Counsel with respect to the change to a
         Weekly Rate has been delivered to the Trustee. If such Favorable
         Opinion of Tax Counsel has not been delivered, the Bonds shall remain
         in a Long-Term Interest Rate Period with an interest rate equal to the
         interest rate for the prior Long-Term Interest Rate Period and with a
         duration equal to the prior Long-Term Interest Rate Period (or, if
         earlier, a Long-Term Interest Rate Period ending on the day before the
         Maturity Date for such Bond). The Trustee shall promptly notify the
         Bondholders of any such automatic change as set forth in Section
         2.02(c).

                 While Bonds are in a Commercial Paper Mode, during any
         transition period caused by an automatic conversion of such Bonds to a
         Weekly Rate in accordance with this Subsection (5), Bonds bearing
         interest at a Weekly Rate and Bonds bearing interest at a Commercial
         Paper Rate, as applicable, shall be governed by the provisions of this
         Indenture applicable to such methods of determining interest on the
         Bonds.

         (b) (1) Change in Interest Rate Determination Method. The Company may
change the method of determining the interest rate on the Bonds by notifying the
Issuer, the Trustee, the Remarketing Agent and, if a Book-Entry System is then
in effect for the Bonds, the Securities Depository. Such notice shall contain
(a) the effective date, (b) the proposed interest rate determination method, and
(c) if the change is to a Long-Term Interest Rate or Rates, the last day of the
first such Long-Term Interest Rate Period and, at the option of the Company, the
effective date and last day of any successive Long-Term Interest Rate Periods
(which last day for each Long-Term Interest Rate Period must be either the day
before the Maturity Date for the Bonds or a day which is before a Business Day
and is at least 365 days after the effective date). The Long-Term Interest Rate
Period shall be the same duration for all of the Bonds. The notice must be
accompanied by a Favorable Opinion of Tax Counsel, except as described below.
Except in the case of the rescission of the Favorable Opinion of Tax Counsel
described in Section 2.02(e), if the Company's notice complies with this
paragraph, the interest rate on the Bonds will be payable at the new rate on the
effective date specified in the notice until there is another change as provided
in this Section. Notwithstanding anything in this Indenture to the contrary, the
Company must deliver a Favorable Opinion of Tax Counsel whenever there is a
change from a period during which the interest rate on the Bonds is set at
intervals of 365 days or less to a period during which the interest rate on the
Bonds is set at intervals in excess of 365 days, or vice versa.

         If the Company wishes to designate successive Long-Term Interest Rate
Periods without specifying the effective dates and last days as described in the
preceding paragraph for the second or any subsequent Long-Term Interest Rate
Periods, it may do so by following the same procedure as for a change in the
interest rate determination method as provided in the foregoing paragraph.

         If 30 days before the end of a Long-Term Interest Rate Period the
Company has not provided for the next interest rate period, a new Long-Term
Interest Rate Period of the same duration will follow (or if shorter, a
Long-Term Interest Rate Period ending on the day before the Maturity Date for
the Bonds).

         When one Long-Term Interest Rate Period follows another, all provisions
of this Indenture applying to a change in the interest rate determination method
will apply, except:

                 (A) the redemption described under "Mandatory Redemption Upon a
         Change in the Method of Determining the Interest Rate on the Bonds" in
         the Bonds;

                 (B) the Company will not be required to deliver a Favorable
         Opinion of Tax Counsel if a new Long-Term Interest Rate Period begins
         as a result of the Company failing to provide for the next interest
         rate period; and

                 (C) the Company will not be required to deliver a Favorable
         Opinion of Tax Counsel if the Company has previously designated a
         series of successive Long-Term Interest Rate Periods which, together
         with the current Long-Term Interest Rate Period, are substantially
         equal in length, and if a Favorable Opinion of Tax Counsel was
         delivered before the first such Long-Term Interest Rate Period in that
         series which applies to each successive Long-Term Interest Rate Period.

         (2) Limitations. Any change in the method of determining interest on
the Bonds pursuant to paragraph (1) above must comply with the following:

                 (i) the effective date of a change (or each effective date in
         the case of a change from a Commercial Paper Mode) shall be a Business
         Day which is at least 15 days (30 days if a Long-Term Interest Rate is
         then in effect and the effective date is before the day after the last
         day of a Long-Term Interest Rate Period) after the twelfth Business Day
         after receipt by the Trustee of the Company's notice of the change;

                 (ii) if a Long-Term Interest Rate is then in effect, the
         effective date of any change must be either the day after the last day
         of the Long-Term Interest Rate Period or, except as described in clause
         (iii) below, a day on which the Bonds would otherwise be subject to
         redemption under the paragraph "Optional Redemption at a Premium During
         Long-Term Interest Rate Period" in Section 8 of the Bonds if the change
         did not occur; provided that if the effective date of the change is
         before the day after the last day of the Long-Term Interest Rate
         Period, the Company must also deliver an Opinion of Tax Counsel stating
         that, as of the first day on which the Bonds were subject to optional
         redemption during such Long-Term Interest Rate Period, the Company's
         ability to terminate such Long-Term Interest Rate Period prior to the
         day after the last day of such Long-Term Interest Rate Period did not
         and does not adversely affect the exclusion of interest on the Bonds
         from federal gross income;

                 (iii) if the Company has previously designated successive
         Long-Term Interest Rate Periods, the effective date of each Long-Term
         Interest Rate Period must be the day after the last day of the previous
         Long-Term Interest Rate Period;

                 (iv) if a Commercial Paper Mode is then in effect, the
         effective date of any change must be either the day after the last day
         of the Commercial Paper Mode or, as to any Bond, the day after the last
         day of the Commercial Paper Period then in effect (or to be in effect)
         with respect to that Bond;

                 (v) if any Bonds have been called for redemption and the
         redemption has not yet occurred, the effective date of the change
         cannot be before such redemption date;

                 (vi) if a Long-Term Interest Rate or a Daily Rate is then in
         effect, the effective date of any change cannot occur during the period
         after a Record Date and to, but not including, the related Interest
         Payment Date; and

                 (vii) if a Commercial Paper Mode is then in effect, the
         Remarketing Agent shall determine Commercial Paper Periods of such
         duration that will, in the judgment of the Remarketing Agent, best
         promote an orderly transition on the effective date. After the receipt
         by the Trustee of the Company's notice of such change, the day after
         the last day of each Commercial Paper Period shall be, with respect to
         such Bond, the effective date of the change. The Remarketing Agent
         shall promptly give written notice of each such last date and each such
         effective date with respect to each Bond to the Issuer, the Company,
         and the Trustee.

                 During any such transition period, Bonds bearing interest at a
         Commercial Paper Rate shall be governed by the provisions of this
         Indenture applicable to a Commercial Paper Mode and Bonds bearing
         interest at a Daily Rate, Weekly Rate or Long-Term Interest Rate, as
         applicable, shall be governed by the provisions of this Indenture
         applicable to such methods of determining interest on the Bonds.

         (c) Notice to Bondholders of Change in Interest Rate Determination
Method. When a change in the interest rate determination method is to be made,
or upon commencement of a new Long-Term Interest Rate Period, the Trustee will,
upon notice from the Company pursuant to Section 2.02(b), notify the Bondholders
by first class mail at least 15 days before the effective date (or each
effective date in the case of an adjustment from a Commercial Paper Mode) of the
change, except that such notice shall be given at least 30 days prior to the
effective date if a Long-Term Interest Rate is in effect and the effective date
is on or before the end of the Long-Term Interest Rate Period. The notice shall
be effective when sent and shall state:

                 (1) that the interest rate determination method will be changed
and what the new method will be;

                 (2) the effective date of the new rate; and

                 (3) that a mandatory redemption or mandatory purchase in lieu
         of redemption will result on the effective date of the change as
         provided in the Bonds and all the information required by this
         Indenture to be included in a notice of redemption set forth in Section
         3.04.

         The information required in any notice pursuant to this subsection (c)
and the information referred to in any redemption notice (including an
Additional Notice) pursuant to Section 3.04 may be combined in a single notice
if it is sent to Bondholders in the manner and at the time specified under
"Notice of Redemption" in Section 8 of the form of the Bonds.

         (d) Calculation of Interest. The Remarketing Agent shall provide the
Trustee and the Company with notice in writing or by telephone (any such notice
by telephone to be delivered to a Responsible Officer of the Trustee) promptly
confirmed by facsimile transmission by 12:30 p.m., New York time,

                 (1) on the first Business Day after a month in which interest
         on the Bonds was payable at a Daily Rate, of the Daily Rate for each
         day in such month;

                 (2) on each day on which a Weekly Rate becomes effective, of
the Weekly Rate;

                 (3) on the first day of each Commercial Paper Period, of the
         length thereof and the Commercial Paper Rate, and, if there is more
         than one Commercial Paper Rate then in effect, of the related
         applicable principal amounts;

                 (4) on the first Business Day of a Long-Term Interest Rate
         Period, of the Long-Term Interest Rate or Long-Term Interest Rates set
         for that period and the related applicable principal amounts; and

                 (5) on any Business Day preceding any redemption or purchase
         date, any interest rate requested by the Trustee in order to enable it
         to calculate the accrued interest, if any, due on such redemption or
         purchase date.

         Using the rates supplied by the notice required by this subsection (d),
the Trustee will calculate the interest payable on the Bonds. The Remarketing
Agent will inform the Trustee and the Company orally at the oral request of
either of them of any interest rate set by the Remarketing Agent. The Trustee
will confirm the effective interest rate by telephone or in writing to any
Bondholder who requests it in any manner.

         The setting of the rates and the calculation of interest payable on the
Bonds, as provided in this Indenture, will be conclusive and binding on all
parties.

         (e) Change in Rate Determination Method-Opinions of Counsel.
Notwithstanding any provision of this Section 2.02, no change shall be made in
the interest rate determination method at the direction of the Company pursuant
to Section 2.02(b)(1) hereof if the Trustee shall receive written notice prior
to such change that the Favorable Opinion of Tax Counsel required under Section
2.02(b)(1) or Section 2.02(a)(5) or, if applicable, the Opinion of Tax Counsel
required by Section 2.02(b)(2)(ii), has been rescinded. If the Trustee shall
have sent any notice to the Bondholders regarding a change in rate under Section
2.02(c), then in the event of such rescission of, or failure to deliver, such
opinion, the Trustee shall promptly notify all Bondholders of such rescission.

         Section 2.03. Execution and Authentication. The Bonds shall be signed
on behalf of the Issuer with the manual or facsimile signature of the Chairman
or Vice Chairman of its board of directors, and attested by the manual or
facsimile signature of its Secretary or Assistant Secretary, and the seal of the
Issuer shall be impressed or imprinted on the Bonds by facsimile or otherwise.
All authorized facsimile signatures shall have the same effect as if manually
signed. If an officer of the Issuer whose signature is on a Bond no longer holds
that office at the time the Trustee authenticates the Bond, the Bond shall
nevertheless be valid. Also, if a person signing a Bond is the proper officer on
the actual date of execution, the Bond shall be valid even if that person is not
the proper officer on the nominal date of action.

         A Bond shall not be valid for any purpose under this Indenture until
the Trustee manually signs the certificate of authentication on the Bond. Such
signature shall be conclusive evidence that the Bond has been authenticated
under this Indenture.

         As a precondition to the initial authentication and delivery of the
Bonds, the Trustee shall receive a request and authorization to the Trustee from
the Issuer, signed by the Chairman or Vice Chairman of the board of directors of
the Issuer, to authenticate and deliver the Bonds to the persons and in the
manner therein described.

         Section 2.04. Bond Register. Bonds must be presented at the principal
corporate trust office of the Trustee for registration, transfer, exchange and
payment. Bonds tendered by their holders must be delivered as specified in the
Bonds. The Trustee shall keep a register of Bonds and of their transfer and
exchange, which register shall be open to inspection by the Issuer and the
Company during normal business hours.

         Section 2.05. Registration and Exchange of Bonds; Persons Treated as
Owners. Bonds may be transferred only on the register maintained by the Trustee.
Upon surrender for transfer of any Bond to the Trustee, duly endorsed for
transfer or accompanied by an assignment duly executed by the holder or the
holder's attorney duly authorized in writing, the Trustee will authenticate a
new Bond or Bonds of the same maturity, in an equal total principal amount and
registered in the name of the transferee.

         Bonds may be exchanged for an equal total principal amount of Bonds of
the same maturity but of different authorized denominations. The Trustee will
authenticate and deliver Bonds that the Bondholder making the exchange is
entitled to receive, bearing numbers not then outstanding.

         Except in connection with the purchase of Bonds tendered for purchase
or purchased in lieu of redemption, the Trustee will not be required to transfer
or exchange any Bond called for redemption or during the period beginning 15
days before the mailing of notice calling the Bonds or any portion of the Bonds
for redemption and ending on the redemption date.

         The holder of a Bond shall be the absolute owner of the Bond for all
purposes, and payment of principal, interest or purchase price shall be made
only to or upon the written order of the holder or the holder's legal
representative.

         The Trustee will require the payment by a Bondholder requesting
exchange or transfer of any tax or other governmental charge required to be paid
in respect of the exchange or transfer but will not impose any other charge.

         Section 2.06. Mutilated, Lost, Stolen, Destroyed or Undelivered Bonds.
If any Bond is mutilated, lost, stolen or destroyed, the Trustee will
authenticate a new Bond of the same maturity and denomination if any mutilated
Bond shall first be surrendered to the Trustee, and if, in the case of any lost,
stolen or destroyed Bond, there shall first be furnished to the Issuer, the
Trustee and the Company evidence of such loss, theft or destruction, together
with an indemnity, satisfactory to them of such loss, theft or destruction. If
the Bond has matured, instead of issuing a replacement Bond, the Trustee may,
with the consent of the Company, pay the Bond without requiring surrender of the
Bond and make such requirements as the Trustee deems fit for its protection,
including a lost instrument bond. The Issuer, the Company and the Trustee may
charge their reasonable fees and expenses for actions taken pursuant to this
Section 2.06.

         If a Bond is called for redemption and the Company elects to purchase
the Bond in lieu of redemption as provided in Article III, or if the holder of a
Bond gives irrevocable instructions to the Remarketing Agent for purchase, and
in each case funds are deposited with the Trustee sufficient for the purchase,
the Trustee upon request of the Company or the Remarketing Agent will
authenticate a new Bond in the same maturity and in the same denomination
registered as the Company or the Remarketing Agent may direct and deliver it to
the Company or upon the Company's order, whether or not the Bond purchased or
called for redemption is ever delivered, and the Bond purchased or called for
redemption shall be cancelled on the books of the Trustee, whether or not said
Bond has been delivered to the Trustee. From and after the purchase date,
interest on such Bond shall cease to be payable to the prior holder thereof;
such holder shall cease to be entitled to the benefits or security of this
Indenture and shall have recourse solely to the funds held by the Trustee for
the purchase of such Bond; and the Trustee shall not register any further
transfer of such Bond by such prior holder. All funds held by the Trustee for
the purchase of undelivered Bonds shall be held uninvested.

         Section 2.07. Cancellation of Bonds. Whenever a Bond is delivered to
the Trustee for cancellation (upon payment, redemption or otherwise), or for
transfer, exchange or replacement pursuant to Section 2.05 or Section 2.06, the
Trustee will promptly cancel and dispose of the Bond in accordance with the
Trustee's policy of disposal; provided, however, that the Trustee shall not be
required to destroy cancelled Bonds.

         Section 2.08. Temporary Bonds. Until definitive Bonds are ready for
delivery, the Issuer may execute and the Trustee will authenticate temporary
Bonds substantially in the form of the definitive Bonds, with appropriate
variations. The Issuer will, without unreasonable delay, prepare and the Trustee
will authenticate definitive Bonds in exchange for the temporary Bonds. Such
exchange shall be made by the Trustee without charge.

                                   ARTICLE III

           REDEMPTION, PURCHASES IN LIEU OF REDEMPTION AND REMARKETING

         Section 3.01. Notices to Trustee. If the Company wishes that any Bonds
be redeemed pursuant to any optional redemption provision in the Bonds, the
Company will notify the Trustee of the applicable provision, the redemption
date, the principal amount of the Bonds to be redeemed, and other necessary
particulars. The Company will give the notice at least 45 days before the
redemption date, or such shorter period of time agreed to by the Trustee.

         Section 3.02. Redemption Dates. The redemption date of Bonds to be
redeemed pursuant to any optional redemption provision in the Bonds will be a
date permitted by the Bonds and specified by the Company in the notice delivered
pursuant to the preceding Section. The redemption date for mandatory redemptions
will be as specified in the Bonds to be redeemed or determined by the Trustee
consistently with the provisions of the Bonds.

         Section 3.03. Selection of Bonds to Be Redeemed. Except as provided in
the Bonds, if fewer than all the Bonds are to be redeemed, the Trustee will
select the Bonds to be redeemed by lot or other method it deems fair and
appropriate, except that the Trustee will first select any Bonds owned by the
Company or any of its nominees or held by the Trustee for the account of the
Company or any of its nominees. The Trustee will make the selection from Bonds
not previously called for redemption. For this purpose, the Trustee will
consider each Bond in a denomination larger than the minimum denomination
permitted by the Bonds at the time to be separate Bonds each in the minimum
denomination. Provisions of this Indenture that apply to Bonds called for
redemption also apply to portions of Bonds called for redemption.

         Section 3.04.     Redemption Notices.

         (a) Official Notice of Redemption. The Trustee will give notice of each
redemption as provided in the Bonds and will at the same time give a copy of the
notice to the Remarketing Agent, provided that no redemption notice shall be
given with respect to a redemption under "Mandatory Redemption on Each Interest
Payment Date During Commercial Paper Mode" in Section 8 of the form of the
Bonds. The notice shall identify the Bonds to be redeemed and will state (1) the
redemption date (and, if the Bonds provide that accrued interest will not be
paid on the redemption date, the date it will be paid), (2) the redemption
price, (3) that the Bonds called for redemption must be surrendered to collect
the redemption price, (4) the address at which the Bonds must be surrendered and
(5) that interest on the Bonds called for redemption ceases to accrue on the
redemption date.

         With respect to an optional redemption of any Bonds under "Optional
Redemption at a Premium During Long-Term Interest Rate Period," "Extraordinary
Optional Redemption" or "Optional Redemption During Daily or Weekly Rate Period"
in Section 8 of the form of the Bonds, unless moneys sufficient to pay the
principal of, redemption premium, if any, and interest on the Bonds to be
redeemed shall have been received by the Trustee prior to the giving of such
notice of redemption, such notice may state that said redemption shall be
conditional upon the receipt of such moneys by the Trustee on or prior to the
date fixed for redemption. If such moneys are not received, such notice shall be
of no force and effect, the Issuer shall not redeem such Bonds, the redemption
price shall not be due and payable, and the Trustee shall give notice, in the
same manner in which the notice of redemption was given, that such moneys were
not so received and that such Bonds will not be redeemed.

         Failure to give any required notice of redemption as to any particular
Bonds will not affect the validity of the call for redemption of any Bonds in
respect of which no such failure has occurred. Any notice mailed as provided in
the Bonds shall be effective when sent and will be conclusively presumed to have
been given whether or not actually received by any holder.

         (b) Additional Notice of Redemption. In addition to the redemption
notice required above, if there is not a Book-Entry System in effect for the
Bonds, further notice (the "Additional Notice") shall be given by the Trustee as
set out below. No defect in the Additional Notice nor any failure to give all or
any portion of the Additional Notice shall in any manner defeat the
effectiveness of a call for redemption if notice is given as prescribed in
paragraph (a) above.

                 (1) Each Additional Notice of redemption shall contain the
         information required in paragraph (a) above for an official notice of
         redemption plus (i) the CUSIP numbers of all Bonds being redeemed; (ii)
         the date of the Bonds as originally issued; (iii) the interest rate
         determination method for, or the rate of interest borne by each Bond
         being redeemed; (iv) the maturity date of each Bond being redeemed; and
         (v) any other descriptive information needed to identify accurately the
         Bonds being redeemed.

                 (2) Upon the payment of the redemption price of the Bonds being
         redeemed, each check or other transfer of funds issued for such purpose
         shall bear the CUSIP number identifying, by issue and maturity, the
         Bonds being redeemed with the proceeds of such check or other transfer.

                 (3) Each Additional Notice of redemption shall be sent at least
         30 days before the redemption date by registered or certified mail or
         overnight delivery service (or by such other means as the Trustee may
         have established with the securities depository or information service)
         to all registered securities depositories then in the business of
         holding substantial amounts of obligations similar to the Bonds (such
         depositories now being Depository Trust Company of New York, New York,
         and Midwest Securities Trust Company of Chicago, Illinois) and to one
         or more national information services that disseminate notices of
         redemption of obligations such as the Bonds.

The information required in any redemption notice (including an Additional
Notice) pursuant to this Section and the information required in any notice
pursuant to Section 2.02(c) may be combined in a single notice if it is sent to
Bondholders in the manner and at the time specified under "Notice of Redemption"
in Section 8 of the form of the Bonds.

         Section 3.05. Payment of Bonds Called for Redemption. Upon surrender to
the Trustee, Bonds called for redemption shall be paid or purchased in lieu of
redemption as provided in this Article at the redemption price stated in the
notice, plus interest accrued to the redemption date, or at a purchase price
equal to principal plus accrued interest to the purchase date, except that
interest payable on Bonds bearing interest at a Daily Rate will be paid on the
fifth Business Day following the redemption date. Bonds called for redemption
and purchased pursuant to a tender before the redemption date will not be
redeemed but will be dealt with as provided below in this Article.

         Section 3.06. Bonds Redeemed in Part. Upon surrender of a Bond redeemed
or purchased in lieu of redemption in part, the Trustee will authenticate for
the holder a new Bond or Bonds in authorized denominations equal in principal
amount to the unredeemed or unpurchased portion of the Bond surrendered.

         Section 3.07. Purchase of Bonds in Lieu of Redemption. When Bonds are
called for redemption pursuant to the paragraphs captioned, "Mandatory
Redemption at Beginning of a New Long-Term Interest Rate Period" or "Mandatory
Redemption Upon a Change in the Method of Determining the Interest Rate on the
Bonds" in Section 8 of the form of the Bonds, the Company may purchase some of
or all of the Bonds called for redemption for a price equal to the otherwise
applicable redemption price, if it (or the Remarketing Agent) gives written
notice to the Trustee by 5:00 p.m., New York time, on the day before the
redemption date that it wishes to purchase the Bonds, the principal amount of
which is specified in the notice, and furnishes the Trustee sufficient money in
sufficient time for the Trustee to make the purchase on the redemption date. The
Trustee will purchase Bonds called for redemption pursuant to the paragraph
captioned "Mandatory Redemption on Each Interest Payment Date During Commercial
Paper Mode" unless otherwise instructed in writing by the Company, or unless the
Indenture otherwise requires that they be redeemed and cancelled, before the
redemption date.

The Trustee will purchase the Bonds pursuant to this Section only as provided in
Section 4.02.

         Section 3.08. Disposition of Purchased Bonds. (a) Bonds to be
Remarketed. Bonds purchased pursuant to tenders as provided in the Bonds or in
lieu of redemption as provided in the foregoing Section will be offered for sale
by the Remarketing Agent as provided in this Section except as follows:

                 (1) Bonds purchased pursuant to a tender after having been
         called for redemption under a provision in the Bonds that does not
         provide the Company an option to purchase in lieu of redemption will be
         cancelled.

                 (2) Bonds called for redemption under "Mandatory Redemption
         Upon a Change in the Method of Determining the Interest Rate on the
         Bonds" in Section 8 of the Bonds, which are tendered between the date
         notice of redemption is given and the redemption date, may be
         remarketed before the redemption date only if the buyer receives a copy
         of the redemption notice from the Remarketing Agent.

                 (3) Bonds will not be offered for sale under this Section
during the continuance of an Event of Default.

         (b) Remarketing Effort. Except to the extent the Company directs the
Remarketing Agent not to do so, the Remarketing Agent will offer for sale and
use reasonable efforts to sell all Bonds to be sold as provided in paragraph (a)
above and, when directed by the Company, any Bonds held by the Company. The sale
price of each Bond must be equal to the principal amount of each Bond plus
accrued interest to the purchase date. The Company may direct the Remarketing
Agent from time to time to cease and to resume sales efforts with respect to
some of or all the Bonds. The Remarketing Agent may buy as principal any Bonds
to be offered under this Section.

         (c) Notices in Respect of Tenders. When the Trustee receives a notice
from a Bondholder (or a Beneficial Owner through its direct Participant), as
specified in Section 6 of the Bonds, for the Bondholder (or a Beneficial Owner
through its direct Participant) to tender Bonds, the Trustee will promptly
notify the Remarketing Agent and the Company by facsimile transmission or
telephone, promptly confirmed in writing, of the receipt of such notice, but in
no event later than the following times:

                  (i) When the Bonds bear interest at a Daily Rate, no later
         than 11:15 a.m. (New York time) on the same Business Day; and

                 (ii) When the Bonds bear interest at a Weekly Rate, no later
         than 11:15 a.m. (New York time) on the Business Day next succeeding
         receipt of such notice.

         (d)     Delivery of Remarketed Bonds.

                 (i) The Trustee shall hold all Bonds delivered pursuant to this
         Section in trust for the benefit of the owners thereof until moneys
         representing the Purchase Price of such Bonds shall have been delivered
         to or for the account of or to the order of such Bondholders, and
         thereafter, if such Bonds are remarketed, shall deliver replacement
         Bonds, prepared by the Trustee in accordance with the directions of the
         Remarketing Agent and authenticated by the Trustee, for any Bonds
         purchased in accordance with the written directions of the Remarketing
         Agent, to the Remarketing Agent for delivery to the purchasers thereof.

                 (ii) The Remarketing Agent shall advise the Trustee and the
         Company in writing or by facsimile transmission, promptly confirmed in
         writing, of the principal amount of Bonds which have been remarketed,
         together with the denominations and registration instructions
         (including taxpayer identification numbers) in accordance with the
         following schedule (all times of which are New York time):

         CURRENT METHOD OF INTEREST
         RATE DETERMINATION OR, IN
         CONNECTION WITH A CHANGE IN
         SUCH METHOD, THE NEW METHOD        TIME BY WHICH INFORMATION TO BE
         OF INTEREST RATE DETERMINATION     FURNISHED TO TRUSTEE

         Commercial Paper Period            12:15 p.m. on the purchase date
         Daily Rate Period                  12:15 p.m. on the purchase date
         Weekly Rate Period                 12:15 p.m. on the purchase date
         Long-Term Interest Rate Period     12:15 p.m. on the purchase date

                 (iii) The terms of any sale by the Remarketing Agent shall
         provide for the authorization of the payment of the Purchase Price by
         the Remarketing Agent to the Trustee in exchange for Bonds registered
         in the name of the new Bondholder which shall be delivered by the
         Trustee to the Remarketing Agent at or before 2:00 p.m. (New York time)
         on the purchase date, if the Purchase Price has been received from the
         Remarketing Agent by the time set forth in Section 3.08(e) on the
         purchase date. Such payment by the Remarketing Agent pursuant to such
         authorization shall be made on such date.

         (e) Delivery of Proceeds of Sale. The Remarketing Agent shall deliver
directly to the Trustee an amount equal to the principal amount thereof plus
accrued interest, if any, of the Bonds which the Remarketing Agent has advised
the Trustee have been remarketed pursuant to Section 3.08(d)(ii) no later than
12:30 p.m. (New York time) on the purchase date.

                                   ARTICLE IV

                  APPLICATION OF PROCEEDS AND PAYMENT OF BONDS

         Section 4.01. Application of Proceeds. The Issuer will cause the
proceeds of the initial sale of the Bonds to be deposited with the Trustee. On a
date to be designated by the Company (but in no event later than 90 days
following the date of issuance of the Bonds) the Trustee will disburse the
proceeds of the initial sale of the Bonds, the Series 1999-B Bonds and Series
1999-C Bonds to the Series 1994 Trustee for deposit in the bond fund under the
Prior Indenture, to be applied to pay the outstanding principal amount of the
Series 1994 Bonds upon call for redemption.

         Pursuant to Section 3.1 of the Agreement, the Company has agreed to pay
to the Series 1994 Trustee the amount in excess of the proceeds of the Bonds,
the Series 1999-B Bonds and the Series 1999-C Bonds needed to accomplish the
refunding described in this Section. Any investment earnings remaining after the
transfer of moneys to the Series 1994 Trustee, will be applied to the payment of
interest on the Bonds on the next Interest Payment Date.

         Section 4.02. Payment of Bonds. The Trustee will make payments of
principal of, premium, if any, and interest on the Bonds from moneys available
to the Trustee under this Indenture for that purpose. The Trustee will pay the
Purchase Price of tendered Bonds first from the proceeds of the sale of Bonds
under Section 3.08 and second from other moneys available to the Trustee for
that purpose. All moneys received as proceeds of remarketing the Bonds under
Section 3.08 shall be held segregated by the Trustee in a separate and
segregated account.

         Section 4.03. Investments of Moneys. The Trustee will invest and
reinvest moneys held by the Trustee as directed by a Company Representative in
writing, to the extent permitted by law, in:

         (a)     Government Obligations;

         (b)     Bonds and notes of the Federal Land Bank;

         (c)     Obligations of the Federal Intermediate Credit Bank;

         (d)     Obligations of the Federal Bank for Cooperatives;

         (e)     Bonds and notes of Federal Home Loan Banks;

         (f) Negotiable or non-negotiable certificates of deposit, time deposits
or similar banking arrangements, issued by a bank or trust company (which may be
the commercial banking department of the Trustee or any bank or trust company
under common control with the Trustee) or savings and loan association which are
insured by the Federal Deposit Insurance Corporation or secured as to principal
by Government Obligations;

         (g) Investments made in or through the Trustee's cash sweep accounts or
other short term investment funds, the assets of which consist of investments
described in clause (a) above; or

         (h) Other investments then permitted by law.

The Trustee may make investments permitted by this Article through its own bond
department or the bond department of any bank or trust company under common
control with the Trustee. Investments will be made so as to mature or be subject
to redemption at the option of the holder on or before the date or dates that
the Trustee anticipates that moneys from the investments will be required. The
Trustee, when authorized by the Company, may trade with itself in the purchase
and sale of securities for such investment. Investments will be registered in
the name of the Trustee and held by or under the control of the Trustee. The
Trustee will sell and reduce to cash a sufficient amount of investments whenever
the cash held by the Trustee is insufficient. The Trustee shall not be liable
for any loss from such investments to the extent directed by the Company
Representative and to the extent such directions have been complied with by the
Trustee.

         Section 4.04. Moneys Held in Trust. The Trustee will hold in trust for
the benefit of the Bondholders all moneys held by it for any payment on the
Bonds. The proceeds of the initial sale of the Bonds shall be held in a separate
and segregated account by the Trustee until disbursed as described in Section
4.01. Money received by the Remarketing Agent or the Trustee from the sale of a
Bond under Section 3.08 or for the purchase of a Bond will be held segregated
from other funds of the Remarketing Agent or the Trustee in trust for the
benefit of the person from whom such Bond was purchased or the person delivering
such purchase money, as the case may be, and will not be invested. The Trustee
shall promptly, but in no event later than 30 days of their original deposit,
apply moneys received from the Company in accordance with this Indenture and the
Tax Agreement and as directed by the Company Representative.

                                    ARTICLE V

                                BOOK-ENTRY SYSTEM

         Section 5.01. Book-Entry System. The Bonds shall be initially issued in
the name of Cede & Co., as nominee for The Depository Trust Company as the
initial Securities Depository and registered owner of such Bonds, and held in
the custody of the Securities Depository. A single certificate will be issued
and delivered to the Securities Depository for the Bonds. The Beneficial Owners
will not receive physical delivery of Bond certificates except as provided
herein. For so long as the Securities Depository shall continue to serve as
securities depository for such Bonds as provided herein, all transfers of
beneficial ownership interests will be made by book-entry only, and no investor
or other party purchasing, selling or otherwise transferring beneficial
ownership of such Bonds is to receive, hold or deliver any Bond certificate. The
Issuer, the Company and the Trustee will recognize the Securities Depository or
its nominee as the Bondholder of such Bonds for all purposes, including notices
and voting.

         The Issuer and the Trustee covenant and agree, so long as The
Depository Trust Company shall continue to serve as Securities Depository for
the Bonds, to meet the requirements of The Depository Trust Company with respect
to required notices and other provisions of the Letter of Representations
executed with respect to the Bonds.

         The Issuer, the Trustee and the Remarketing Agent may conclusively rely
upon (i) a certificate of the Securities Depository as to the identity of the
Participants in the Book-Entry-System and (ii) a certificate of any such
Participant as to the identity of, and the respective principal amount of Bonds
beneficially owned by, the Beneficial Owners.

         Whenever, during the term of the Bonds, the beneficial ownership
thereof is determined by a book-entry at the Securities Depository, the
requirements in this Indenture of holding, delivering or transferring Bonds
shall be deemed modified to require the appropriate person to meet the
requirements of the Securities Depository as to registering or transferring the
book-entry to produce the same effect. Any provision hereof permitting or
requiring delivery of Bonds shall, while the Bonds are in a Book-Entry System,
be satisfied by the notation on the books of the Securities Depository in
accordance with applicable law.

         The Trustee and the Issuer, at the direction and expense of the Company
and with the consent of the Remarketing Agent, may from time to time appoint a
successor Securities Depository and enter into an agreement with such successor
Securities Depository to establish procedures with respect to the Bonds not
inconsistent with the provisions of this Indenture. Any successor Securities
Depository shall be a "clearing agency" registered under Section 17A of the
Securities Exchange Act of 1934, as amended.

         None of the Issuer, the Company, the Trustee nor the Remarketing Agent
will have any responsibility or obligation to any Securities Depository, any
Participants in the Book-Entry System or the Beneficial Owners with respect to
(i) the accuracy of any records maintained by the Securities Depository or any
Participant; (ii) the payment by the Securities Depository or by any Participant
of any amount due to any Beneficial Owner in respect of the principal amount or
redemption or purchase price of, or interest on, any Bonds; (iii) the delivery
of any notice by the Securities Depository or any Participant; (iv) the
selection of the Beneficial Owners to receive payment in the event of any
partial redemption of the Bonds; or (v) any other action taken by the Securities
Depository or any Participant.

         Bond certificates are required to be delivered to and registered in the
name of the Beneficial Owner, under the following circumstances:

                 (a) The Securities Depository determines to discontinue
         providing its service with respect to the Bonds and no successor
         Securities Depository is appointed as described above. Such a
         determination may be made at any time by giving 30 days' notice to the
         Issuer, the Company and the Trustee and discharging its
         responsibilities with respect thereto under applicable law; or

                 (b) The Company determines not to continue the Book-Entry
System through a Securities Depository.

The Trustee is hereby authorized to make such changes to the form of bond
attached hereto as Exhibit A which are not inconsistent with this Indenture and
which are necessary or appropriate to reflect that the Book-Entry System is not
in effect, that a successor Securities Depository has been appointed or that an
additional or co-paying agent or tender agent has been designated pursuant to
Section 13.03 hereof.

         If at any time, the Securities Depository ceases to hold the Bonds all
references herein to the Securities Depository shall be of no further force or
effect.

                                   ARTICLE VI

                                    COVENANTS

         Section 6.01. Prompt Payment of Bonds. The Issuer will promptly pay the
principal or purchase price of, premium, if any, and interest on the Bonds on
the dates and in the manner provided in the Bonds, but only from the amounts
assigned to and held by the Trustee under this Indenture.

         Section 6.02. Recording and Filing; Further Assurances. (a) The Trustee
shall cooperate with the Company in causing to be filed all necessary financing
statements and continuation statements related to this Indenture and all
supplements hereto, and such other documents as may be, in the Opinion of
Counsel, necessary to be kept and filed in such manner and in such places as may
be required by law in order to preserve and protect fully the security of the
Bondholders and the rights of the Trustee hereunder.

         (b) The Issuer will execute and deliver such supplemental indentures
and such further instruments, and do such further acts, as the Trustee may
reasonably require for the better assuring, assigning and confirming to the
Trustee the amounts assigned under this Indenture for the payment of the Bonds.

         Section 6.03. Tax Covenants. The Issuer and the Company will not
directly or indirectly use or permit the use of any proceeds of the Bonds or any
other funds of the Issuer or the Company, or take or omit to take any action
that would cause the Bonds to be "arbitrage bonds" within the meaning of Section
148(a) of the Code or result in the loss of the exclusion from gross income for
federal income tax purposes of the interest paid on the Bonds. To that end, the
Issuer and the Company will comply with all requirements of the Code and the
1954 Code to the extent applicable to the Bonds. If at any time the Issuer or
the Company is of the opinion that for purposes of this Section 6.03 it is
necessary to restrict or limit the yield on the investment of any moneys held by
the Trustee under this Indenture, the Issuer or the Company shall so instruct
the Trustee in writing, and the Trustee shall take such action as may be
necessary in accordance with such instructions including, if necessary, the
investment of such moneys in obligations of any state, any political subdivision
thereof, or any public corporation or instrumentality of either thereof, the
interest on which is excludable from gross income under the Code.

         Without limiting the generality of the foregoing, the Issuer and the
Company agree that there shall be paid from time to time all amounts required to
be rebated to the United States pursuant to Section 148(f) of the Code and any
temporary, proposed or final Treasury Regulations as may be applicable to the
Bonds from time to time. This covenant shall survive payment in full or
defeasance of the Bonds. The obligations imposed upon the Company by this
Section have been acknowledged and accepted by the Company in Section 4.6 of the
Agreement and in the Tax Agreement. The Issuer and the Trustee hereby covenant
and agree to cooperate fully with the Company regarding compliance with the
provisions of this Article VI and Section 4.6 of the Agreement.

         Notwithstanding any provision of this Section, if the Company provides
to the Trustee and the Issuer an Opinion of Tax Counsel to the effect that any
action required under this Section is no longer required, or to the effect that
some further action is required, to maintain the exclusion of interest on the
Bonds from federal gross income, the Trustee and the Issuer may conclusively
rely on such opinion in complying with the provisions of this Indenture, and the
covenants under this Indenture shall be deemed to be modified to that extent.

                                   ARTICLE VII

                             DISCHARGE OF INDENTURE

         Section 7.01. Bonds Deemed Paid; Discharge of Indenture. Any Bond will
be deemed paid for all purposes of this Indenture when (a) payment of the
principal of and interest on the Bond to the due date of such principal and
interest (whether at maturity, upon redemption or otherwise) or the payment of
the Purchase Price either (1) has been made in accordance with the terms of the
Bonds or (2) has been provided for by depositing with the Trustee either (A)
moneys sufficient to make such payment or (B) in the case of a deposit prior to
the redemption date or maturity date, as the case may be, of such Bonds or
portions thereof, Government Obligations maturing as to principal and interest
in such amounts and at such times as will insure the availability of sufficient
moneys to make such payment, and (b) all compensation and reasonable expenses of
the Trustee pertaining to each Bond in respect of which such deposit is made
have been paid or provided for to the Trustee's satisfaction. When a Bond is
deemed paid, it will no longer be secured by or entitled to the benefits of this
Indenture or be an obligation of the Issuer, except for payment from moneys or
Government Obligations under (a)(2) above and except that it may be tendered if
and as provided in the Bonds and it may be transferred, exchanged, registered,
discharged from registration or replaced as provided in Article II.

         Notwithstanding the foregoing, upon the deposit of funds under clause
(a)(2) of the first paragraph of this Section, the Purchase Price of tendered
Bonds shall be paid from the sale of Bonds under Section 3.08. If payment of
such Purchase Price is not made from the above sources, payment shall be made
from funds on deposit pursuant to this Section, in which case such Bonds shall
be surrendered to the Trustee and cancelled.

         Notwithstanding the foregoing, no deposit under clause (a)(2) of the
first paragraph of this Section shall be deemed a payment of a Bond until the
Company has furnished the Trustee an Opinion of Tax Counsel stating that the
deposit of such cash or Government Obligations will not cause the Bonds to
become "arbitrage bonds" under Section 148 of the Code and until (a) notice of
redemption of the Bond is given in accordance with Article III or, if the Bond
is not to be redeemed or paid within the next 60 days, until the Company has
given the Trustee, in form satisfactory to the Trustee, irrevocable instructions
(i) to notify, as soon as practicable, the owner of the Bond, in accordance with
Article III, that the deposit required by (a)(2) above has been made with the
Trustee and that the Bond is deemed to be paid under this Article and stating
the maturity or redemption date upon which moneys are to be available for the
payment of the principal of the Bond, and premium, if any, and interest on such
Bond, if the Bond is to be redeemed rather than paid and (ii) to give notice of
redemption not less than 30 nor more than 60 days prior to the redemption date
for such Bond or (b) the maturity of the Bond.

         When all outstanding Bonds are deemed paid under the foregoing
provisions of this Section, the Trustee will upon request acknowledge the
discharge of the lien of this Indenture, provided, however that the obligations
relating to the tender for purchase as provided in the Bonds and obligations
under Article II in respect of the transfer, exchange, registration, discharge
from registration and replacement of Bonds shall survive the discharge of the
lien of the Indenture.

         No deposit will be made or accepted and no use made of any such deposit
which would cause any Bonds to be treated as "arbitrage bonds" within the
meaning of Section 148 of the Code.

         Section 7.02. Application of Trust Money. The Trustee shall hold in
trust money or Government Obligations deposited with it pursuant to the
preceding Section and shall apply the deposited money and the money from the
Government Obligations in accordance with this Indenture only to the payment of
principal of, premium, if any, and interest on the Bonds and to the payment of
the Purchase Price of tendered Bonds.

         Section 7.03. Repayment to Company. The Trustee shall promptly pay to
the Company upon request any excess money or securities held by the Trustee at
any time under this Article and any money held by the Trustee under any
provision of this Indenture for the payment of principal or interest or for the
purchase of Bonds that remains unclaimed for five years.

                                  ARTICLE VIII

                              DEFAULTS AND REMEDIES

         Section 8.01. Events of Default. An "Event of Default" is any of the
following:

                 (a) Default in the payment of any interest on any Bond when due
         and as the same shall become due and payable, which default continues
         for five days.

                 (b) Default in the due and punctual payment of principal on any
         Bond when due and payable, whether at maturity, upon redemption, or by
         declaration or otherwise.

                 (c) Default in the payment of the purchase price of any Bond
tendered by its Beneficial Owner pursuant to the Bonds.

                 (d) An event of default has occurred and is continuing under
the Agreement.

         Section 8.02. Acceleration. Whenever an Event of Default has occurred
and is continuing, the Bonds shall without further action become immediately due
and payable.

         Section 8.03. Other Remedies. If an Event of Default occurs and is
continuing, the Trustee may, and upon request of the holders of at least 25% in
principal amount of the Bonds then outstanding shall, pursue any available
remedy by proceeding at law or in equity to collect the principal of or interest
on the Bonds or to enforce the performance of any provision of the Bonds, this
Indenture or the Agreement.

         The Trustee, as the assignee of all the right, title and interest of
the Issuer in and to the Agreement, shall enforce each and every right granted
to the Issuer under the Agreement.

         The Trustee may maintain a proceeding even if it does not possess any
of the Bonds or does not produce any of them in the proceeding. A delay or
omission by the Trustee or any Bondholder in exercising any right or remedy
accruing upon an Event of Default shall not impair the right or remedy or
constitute a waiver of or acquiescence in the Event of Default. No remedy is
exclusive of any other remedy. All available remedies are cumulative.

         In the event of a bankruptcy or reorganization of the Company, the
Trustee may file a proof of claim on behalf of all Bondholders with respect to
the obligations of the Company pursuant to the Agreement.

         Section 8.04. Waiver of Past Defaults. The holders of a majority in
principal amount of the Bonds then outstanding by notice to the Trustee may
waive an existing Event of Default and its consequences. When an Event of
Default is waived, it is cured and stops continuing, but no such waiver shall
extend to any subsequent or other Event of Default or impair any right
consequent to it.

         Section 8.05. Control by Majority. The holders of a majority in
principal amount of the Bonds then outstanding may direct the time, method and
place of conducting any proceeding for any remedy available to the Trustee or of
exercising any trust or power conferred on it. However, the Trustee may refuse
to follow any direction that conflicts with law or this Indenture or, subject to
Section 9.01, that the Trustee determines is unduly prejudicial to the rights of
other Bondholders, or would involve the Trustee in personal liability.

         Section 8.06. Limitation on Suits. A Bondholder may not pursue any
remedy with respect to this Indenture or the Bonds unless (a) the holder gives
the Trustee notice stating that an Event of Default is continuing, (b) the
holders of at least 25% in principal amount of the Bonds then outstanding make a
written request to the Trustee to pursue the remedy, (c) such holder or holders
offer to the Trustee indemnity satisfactory to the Trustee against any loss,
liability or expense and (d) the Trustee does not comply with the request within
60 days after receipt of the request and the offer of indemnity.

         A Bondholder may not use this Indenture to prejudice the rights of
another Bondholder or to obtain a preference or priority over the other
Bondholders.

         Section 8.07. Rights of Holders to Receive Payment. Notwithstanding any
other provision of this Indenture, the right of any holder to receive payment of
principal of and interest on a Bond, on or after the due dates expressed in the
Bond, or the purchase price of a Bond on or after the date for its purchase as
provided in the Bond, or to bring suit for the enforcement of any such payment
on or after such dates, shall not be impaired or affected without the consent of
the holder.

         Section 8.08. Collection Suit by Trustee. If an Event of Default under
Section 8.01(a), (b) or (c) occurs and is continuing, the Trustee may recover
judgment in its own name and as trustee of an express trust against the Company
for the whole amount remaining unpaid.

         Section 8.09. Trustee May File Proofs of Claim. The Trustee may file
such proofs of claim and other papers or documents as may be necessary or
advisable in order to have the claims of the Trustee and the Bondholders allowed
in any judicial proceedings relative to the Company, its creditors or its
property and, unless prohibited by law or applicable regulations, may vote on
behalf of the holders in any election of a trustee in bankruptcy or other person
performing similar functions. In the event of a bankruptcy or reorganization of
the Company, the Trustee may file a proof of claim on behalf of all Bondholders
with respect to the obligations of the Company pursuant to the Agreement.

         Section 8.10. Priorities. If the Trustee collects any money pursuant to
this Article, it shall pay out the money in the following order:

                  FIRST:   To the Trustee for amounts to which it is entitled
                           under Section 9.06.

                  SECOND:  To Bondholders for amounts due and unpaid on the
                           Bonds for principal and interest, ratably, without
                           preference or priority of any kind, according to the
                           amounts due and payable on the Bonds for principal
                           and interest, respectively.

                  THIRD:   To the Company.

The Trustee may fix a payment date for any payment to the Bondholders.

         Section 8.11. Undertaking for Costs. In any suit for the enforcement of
any right or remedy under this Indenture or in any suit against the Trustee for
any action taken or omitted by it as Trustee, a court in its discretion may
require the filing by any party litigant in the suit of an undertaking to pay
the costs of the suit, and the court in its discretion may assess reasonable
costs, including reasonable attorneys' fees, against any party litigant in the
suit, having due regard to the merits and good faith of the claims or defenses
made by the party litigant. This Section does not apply to a suit by the
Trustee, a suit by a holder pursuant to Section 8.07 or a suit by holders of
more than 10% in principal amount of the Bonds then outstanding.

                                   ARTICLE IX

                          TRUSTEE AND REMARKETING AGENT

         Section 9.01. Duties of Trustee. (a) If an Event of Default has
occurred and is continuing, the Trustee shall exercise its rights and powers and
use the same degree of care and skill in its exercise as a prudent person would
exercise or use under the circumstances in the conduct of such person's own
affairs.

         (b)     Except during the continuance of an Event of Default,

                 (1) the Trustee need perform only those duties that are
         specifically set forth in this Indenture and applicable laws and
         regulations, and no others and no implied duties or covenants shall be
         read into this Indenture against the Trustee, and

                 (2) in the absence of bad faith on its part, the Trustee may
         conclusively rely, as to the truth of the statements and the
         correctness of the opinions expressed, upon certificates, opinions,
         requisitions or any other writing furnished to the Trustee and
         conforming to the requirements of this Indenture. However, the Trustee
         shall examine the certificates and opinions to determine whether they
         conform to the requirements of this Indenture.

         (c) The Trustee may not be relieved from liability for its own grossly
negligent action, its own grossly negligent failure to act or its own willful
misconduct, except that:

                  (1) this paragraph does not limit the effect of paragraph (b)
         of this Section,

                 (2) the Trustee shall not be liable for any error of judgment
         made in good faith by a Responsible Officer, unless it is proved that
         the Trustee was grossly negligent in ascertaining the pertinent facts,

                 (3) the Trustee shall not be liable with respect to any action
         it takes or omits to take in good faith in accordance with a direction
         received by it pursuant to Section 8.05, and

                 (4) no provision of this Indenture shall require the Trustee to
         expend or risk its own funds or otherwise incur any financial liability
         in the performance of any of its duties hereunder or in the exercise of
         any of its rights or powers, if it shall have reasonable grounds for
         believing that repayment of such funds or adequate indemnity against
         such risk or liability is not reasonably assured to it.

         (d) Every provision of this Indenture that in any way relates to the
Trustee is subject to all the paragraphs of this Section.

         (e) The Trustee may refuse to perform any duty or exercise any right or
power unless it receives indemnity satisfactory to it against any loss,
liability or expense, but the Trustee may not require indemnity as a condition
to declaring the principal of and interest on the Bonds to be due immediately
under Section 8.02 or to making any payment of principal or interest on the
Bonds.

         (f) The Trustee shall not be liable for interest on any cash held by it
except as the Trustee may agree with the Company or the Issuer with the consent
of the Company.

         (g) In addition to the funds and accounts established by this
Indenture, the Trustee may establish such funds and accounts as it deems
necessary and appropriate in order to discharge its duties under this Indenture.

         Section 9.02.     Rights of Trustee.  Subject to the foregoing Section:

                 (a) The Trustee may rely on any document believed by it to be
         genuine and to have been signed or presented by the proper person. The
         Trustee need not investigate any fact or matter stated in the document.

                 (b) The Trustee shall not be liable for any action it takes or
         omits to take in good faith in reliance on any certificate of an
         appropriate officer or officers of the Issuer or the Company or Opinion
         of Counsel.

                 (c) The Trustee may act through agents or co-trustees but shall
         be answerable for the conduct of the same in accordance with the
         standards specified in this Indenture.

         Section 9.03. Individual Rights of Trustee. The Trustee in its
individual or any other capacity may become the owner or pledgee of Bonds and
may otherwise deal with the Issuer or with the Company or its affiliates with
the same rights it would have if it were not Trustee.

         Section 9.04. Trustee's Disclaimer. The Trustee makes no representation
as to the validity or adequacy of this Indenture, the Agreement or the Bonds,
and it shall not be responsible for any statement in the Bonds other than its
certificate of authentication.

         Section 9.05. Notice of Defaults. If an event occurs which with the
giving of notice or lapse of time or both would be an Event of Default, and if
the event is continuing and if it is known to the Trustee, the Trustee shall
promptly mail to each Bondholder notice of the event. Except in the case of a
default in payment or purchase on any Bonds, the Trustee may withhold the notice
if and so long as a committee of its Responsible Officers in good faith
determines that withholding the notice is in the interests of Bondholders.

         Section 9.06. Compensation and Indemnity of Trustee. For acting under
this Indenture, the Trustee shall be entitled to payment of reasonable fees for
its services and reimbursement of advances, reasonable counsel fees and other
expenses reasonably and necessarily made or incurred by the Trustee as shall be
agreed upon in writing by the Trustee and the Company from time to time in
connection with its services under this Indenture.

         To secure the payment or reimbursement to the Trustee provided for in
this Section, the Trustee shall have a senior claim, to which the Bonds are made
subordinate, on all money or property held or collected by the Trustee, except
that held under Article VII or otherwise held in trust to pay principal of and
interest on particular Bonds.

         The Company has agreed in the Agreement to indemnify the Trustee for,
and to hold it harmless against, any loss, liability or expense incurred without
negligence or bad faith on its part, arising out of or in connection with the
acceptance or administration of this trust, including the reasonable costs and
expenses of defending itself against any claim or liability in connection with
the exercise or performance of any of its powers or duties hereunder.

         Section 9.07. Eligibility of Trustee. This Indenture shall always have
a Trustee that is a corporation or association organized and doing business
under the laws of the United States or any state or the District of Columbia, is
authorized under such laws to exercise corporate trust powers, is subject to
supervision or examination by United States, state or District of Columbia
authority and has a combined capital and surplus of at least $50,000,000 as set
forth in its most recent published annual report of condition. If at any time
the Trustee ceases to be eligible in accordance with this Section, the Trustee
will resign immediately as set forth in Section 9.08.

         Section 9.08. Replacement of Trustee. (a) The Trustee may resign by
notifying the Issuer and the Company and by mailing notice by first class mail
to the Bondholders. Upon receiving such notice of resignation, the Company shall
promptly appoint a successor trustee by an instrument in writing; provided that
the Company may not make such appointment if an Event of Default has occurred
and is continuing, or if an event has occurred and is continuing which, with the
passage of time or the giving of notice or both will become an Event of Default.
If no successor trustee shall have been so appointed and have accepted
appointment within 30 days after the giving of such notice of resignation, the
resigning Trustee may petition any court of competent jurisdiction for the
appointment of a successor trustee or any Bondholder who has been a bona fide
holder of a Bond for at least six months may, on behalf of himself and others
similarly situated, petition any such court for the appointment of a successor
trustee. Such court may thereupon, after such notice, if any, as it may deem
proper and may prescribe, appoint a successor trustee.

         (b)     In case at any time either of the following shall occur:

                 (1) the Trustee shall cease to be eligible in accordance with
         the provisions of Section 9.07 and shall fail to resign after written
         request therefor by the Company or the Issuer, or

                 (2) the Trustee shall become incapable of acting, or shall be
         adjudged a bankrupt or insolvent, or a receiver of the Trustee or of
         its property shall be appointed, or any public officer shall take
         charge or control of the Trustee or of its property or affairs for the
         purpose of rehabilitation, conservation or liquidation,

then, in any such case, the Company shall remove the Trustee and appoint a
successor trustee by an instrument in writing; provided that the Company may not
make such appointment if an Event of Default has occurred and is continuing, or
if an event has occurred and is continuing which, with the passage of time or
the giving of notice or both will become an Event of Default, or any Bondholder
may, on behalf of itself and all others similarly situated, petition any court
of competent jurisdiction for the removal of the Trustee and the appointment of
a successor trustee. Such court may thereupon, after such notice, if any, as it
may deem proper and may prescribe, remove the Trustee and appoint a successor
trustee.

         (c) Except as otherwise provided in this subsection (c), the Company or
holders of a majority in aggregate principal amount of the Bonds at the time
outstanding may at any time remove the Trustee and appoint a successor trustee
by an instrument or concurrent instruments in writing signed by the Company or
such Bondholders, as the case may be. The Company may not remove the Trustee if
an Event of Default has occurred and is continuing or if an event has occurred
and is continuing which, with the passage of time or the giving of notice will
become an Event of Default.

         (d) Any resignation or removal of the Trustee and appointment of a
successor trustee pursuant to any of the provisions of this Section shall become
effective upon acceptance of appointment by the successor trustee as provided in
Section 9.09. The Company shall give written notification to any rating agency
then rating the Bonds of such successor trustee appointed pursuant to this
Section.

         Section 9.09. Acceptance of Trust by Successor Trustee. Any successor
trustee appointed as provided in Section 9.08 shall execute, acknowledge and
deliver to the Issuer and to its predecessor trustee an instrument accepting
such appointment hereunder, and thereupon the resignation or removal of the
predecessor trustee shall become effective and such successor trustee, without
any further act, deed or conveyance, shall become vested with all the rights,
powers, trusts, duties, and obligations of its predecessor in the trusts
hereunder, with like effect as if originally named as Trustee herein; but,
nevertheless, on the written request of the Issuer or the request of the
successor trustee, the Trustee ceasing to act shall execute and deliver an
instrument transferring to such successor trustee, upon the trusts herein
expressed, all the rights, power and trusts of the Trustee so ceasing to act.
Upon request of any such successor trustee, the Issuer shall execute any and all
instruments in writing necessary or desirable for more fully and certainly
vesting in and confirming to such successor trustee all such rights, powers, and
duties. Any Trustee ceasing to act shall, nevertheless, retain a lien upon all
property or funds held or collected by such Trustee to secure the amounts due it
as compensation, reimbursement, expenses, and indemnity afforded to it by
Section 9.06.

         No successor trustee shall accept appointment as provided in this
Section 9.09 unless at the time of such acceptance such successor trustee shall
be eligible under the provisions of Section 9.07.

         At the time of appointment, the Company and the successor trustee shall
execute an agreement with respect to the compensation of the successor trustee.

         Upon acceptance of appointment by a successor trustee as provided in
this Section, the Issuer or such successor trustee shall give Bondholders notice
of the succession of such trustee to the trusts hereunder in the manner
prescribed in Section 9.08 for the giving of notice of resignation of the
Trustee.

         Section 9.10.     [reserved].

         Section 9.11. Duties of Remarketing Agent. The Remarketing Agent will
set the interest rates on the Bonds and perform the other duties provided for in
Section 2.02 and will remarket Bonds as provided in Section 3.08, subject to any
provisions of a remarketing agreement between the Company and the Remarketing
Agent, which shall control in the case of any conflict with this Indenture. The
Remarketing Agent may for its own account or as broker or agent for others deal
in Bonds and may do anything any other Bondholder may do to the same extent as
if the Remarketing Agent were not serving as such.

         Section 9.12. Eligibility of Remarketing Agent. The initial Remarketing
Agent appointed under this Indenture is SouthTrust Securities, Inc., Birmingham,
Alabama. The Remarketing Agent will be a bank, trust company or member of the
National Association of Securities Dealers, Inc. organized and doing business
under the laws of the United States or any state or the District of Columbia and
must be authorized by law to perform all the duties imposed upon it by this
Indenture. Any successor Remarketing Agent shall be rated at least Baa3/P-3 or
otherwise qualified by Moody's Investors Service, Inc. or have an equivalent
rating of another rating agency.

         Section 9.13. Replacement of Remarketing Agent. The Remarketing Agent
may resign by notifying the Issuer, Trustee, and Company. Such resignation will
take effect on the day a successor Remarketing Agent appointed in accordance
with this Section has accepted the appointment or, if no successor has so
accepted, 30 days after notice of resignation has been sent. The Company may
remove the Remarketing Agent at any time by an instrument signed by the Company
and filed with the Remarketing Agent, the Issuer, and the Trustee at least 30
days prior to the effective date of such removal (which will not in any event
occur prior to the appointment of a successor Remarketing Agent). A new
Remarketing Agent may be appointed by the Company upon the resignation or
removal of the Remarketing Agent. The Trustee shall promptly notify the
Bondholders of any change in the Remarketing Agent.

         Section 9.14. Compensation of Remarketing Agent. The Remarketing Agent
will not be entitled to any compensation from the Issuer, the Trustee or any
property held under this Indenture but must make separate arrangements with the
Company for compensation.

         Section 9.15. Successor Trustee or Remarketing Agent by Merger. If the
Trustee or Remarketing Agent consolidates with, merges or converts into, or
transfers all or substantially all its assets (or, in the case of a bank or
trust company, its corporate trust assets) to another corporation, the
resulting, surviving or transferee corporation without any further act shall be
the successor Trustee or Remarketing Agent, provided that such successor shall
be eligible under the applicable provisions in this Article.

                                    ARTICLE X

                   AMENDMENTS OF AND SUPPLEMENTS TO INDENTURE

         Section 10.01. Without Consent of Bondholders. The Issuer and the
Trustee may amend or supplement this Indenture or the Bonds without notice to or
consent of any Bondholder:

                  (a) to cure any ambiguity, inconsistency, or formal defect or
         omission;

                  (b) to grant to the Trustee for the benefit of the Bondholders
         additional rights, remedies, powers, or authority;

                  (c) to subject to this Indenture additional collateral or to
         add other agreements of the Issuer;

                 (d) to modify this Indenture or the Bonds to permit
         qualification under the Trust Indenture Act of 1939 or any similar
         federal statute at the time in effect, or to permit the qualification
         of the Bonds for sale under the securities laws of any state of the
         United States;

                 (e) to authorize different authorized denominations of the
         Bonds and to make correlative amendments and modifications to this
         Indenture regarding exchangeability of Bonds of different authorized
         denominations, redemptions of portions of Bonds of particular
         authorized denominations and similar amendments and modifications of a
         technical nature;

                 (f) to increase or decrease the number of days specified for
         the giving of notices in Section 2.02 and to make corresponding changes
         to the period for notice of redemption of the Bonds; provided that no
         decreases in any such number of days shall become effective except
         while the Bonds bear interest at a Daily Rate or a Weekly Rate and
         until 30 days after the Trustee has given notice to the owners of the
         Bonds;

                 (g) to provide for an uncertificated system of registering the
         Bonds or to provide for the change to or from a Book-Entry System for
         the Bonds;

                  (h) to evidence the succession of a new Trustee or the
         appointment by the Trustee or the Issuer of a co-trustee; or

                 (i) to make any change (including a change in Section 4.01 to
         reflect any amendment to the Code or interpretations thereof by the
         Internal Revenue Service) that does not materially adversely affect the
         rights of any Bondholder.

         Section 10.02. With Consent of Bondholders. If an amendment of or
supplement to this Indenture or the Bonds without any consent of Bondholders is
not permitted by the preceding Section, the Issuer and the Trustee may enter
into such amendment or supplement without prior notice to any Bondholders but
with the consent of the holders of at least a majority in principal amount of
the Bonds then outstanding. However, without the consent of each Bondholder
affected, no amendment or supplement may (a) extend the maturity of the
principal of, or interest on, any Bond, (b) reduce the principal amount of, or
rate of interest on, any Bond, (c) effect a privilege or priority of any Bond or
Bonds over any other Bond or Bonds, (d) reduce the percentage of the principal
amount of the Bonds required for consent to such amendment or supplement, (e)
impair the exclusion from federal gross income of interest on any Bond, (f)
eliminate the holders' rights to tender the Bonds, or any mandatory redemption
of the Bonds, extend the due date for the purchase of Bonds tendered by the
holders thereof or call for mandatory redemption or reduce the purchase or
redemption price of such Bonds, (g) create a lien ranking prior to or on a
parity with the lien of this Indenture on the property described in the Granting
Clause of this Indenture, or (h) deprive any Bondholder of the lien created by
this Indenture on such property. In addition, if moneys or Government
Obligations have been deposited or set aside with the Trustee pursuant to
Article VII for the payment of Bonds and those Bonds shall not have in fact been
actually paid in full, no amendment to the provisions of that Article shall be
made without the consent of the holder of each of those Bonds affected.

         Section 10.03. Effect of Consents. Any consent received pursuant to
Section 10.02 will bind each Bondholder delivering such consent and each
subsequent holder of a Bond or portion of a Bond evidencing the same debt as the
consenting holder's Bond.

         Section 10.04. Notation on or Exchange of Bonds. If an amendment or
supplement changes the terms of a Bond, the Trustee may require the holder to
deliver it to the Trustee. The Trustee may place an appropriate notation on the
Bond about the changed terms and return it to the holder. Alternatively, if the
Trustee, the Issuer and the Company determine, the Issuer in exchange for the
Bond will issue and the Trustee will authenticate a new Bond that reflects the
changed terms.

         Section 10.05. Signing by Trustee of Amendments and Supplements. The
Trustee will sign any amendment or supplement to the Indenture or the Bonds
authorized by this Article if the amendment or supplement does not adversely
affect the rights, duties, liabilities, or immunities of the Trustee. If it
does, the Trustee may, but need not, sign it. In signing an amendment or
supplement, the Trustee will be entitled to receive and (subject to Section
9.01) will be fully protected in relying on an Opinion of Counsel stating that
such amendment or supplement is authorized by this Indenture.

         Section 10.06. Company Consent Required. An amendment or supplement to
this Indenture or the Bonds shall not become effective unless the Company
delivers to the Trustee its written consent to the amendment or supplement.

         Section 10.07. Notice to Bondholders. The Trustee shall cause notice of
the execution of each supplement or amendment to this Indenture or the Agreement
to be mailed to the Bondholders. The notice will at the option of the Trustee,
either (i) briefly state the nature of the amendment or supplement and that
copies of it are on file with the Trustee for inspection by Bondholders or (ii)
enclose a copy of such amendment or supplement.

                                   ARTICLE XI

                 AMENDMENTS OF AND SUPPLEMENTS TO THE AGREEMENT

         Section 11.01. Without Consent of Bondholders. The Issuer may enter
into, and the Trustee may consent to, any amendment of or supplement to the
Agreement, or may waive compliance by the Company of any provision of the
Agreement, without notice to or consent of any Bondholder, if the amendment,
supplement, or waiver is required or permitted (a) by the provisions of the
Agreement or this Indenture (including in connection with transactions permitted
by Section 6.3 of the Original Agreement, relating to maintenance of the
Company's existence), (b) to cure any ambiguity, inconsistency or formal defect
or omission, (c) to identify more precisely the Project, (d) in connection with
any authorized amendment of or supplement to this Indenture or (e) to make any
change that does not materially adversely affect the rights of any Bondholder.

         Section 11.02. With Consent of Bondholders. If an amendment of or
supplement to the Agreement without any consent of Bondholders is not permitted
by the foregoing Section, the Issuer may enter into, and/or the Trustee may
consent to (as the case may be), such amendment or supplement, or may waive
compliance by the Company of any provision of the Agreement, without notice to
any Bondholder but with the consent of the holders of at least a majority in
principal amount of the Bonds then outstanding. However, without the consent of
each Bondholder affected, no amendment, supplement or waiver may result in
anything described in the lettered clauses of Section 10.02.

         Section 11.03. Consents by Trustee to Amendments or Supplements. The
Trustee will consent to any amendment or supplement to the Agreement authorized
by this Article if the amendment or supplement does not adversely affect the
rights, duties, liabilities, or immunities of the Trustee. If it does, the
Trustee may, but need not, sign it. In signing a consent to an amendment or
supplement, the Trustee shall be entitled to receive and (subject to Section
9.01) shall be fully protected in relying on an Opinion of Counsel stating that
such amendment or supplement is authorized by this Indenture.

                                   ARTICLE XII

                                  MISCELLANEOUS

         Section 12.01. Notices. (a) Any notice, request, direction,
designation, consent, acknowledgment, certification, appointment, waiver, or
other communication required or permitted by this Indenture or the Bonds must be
in writing except as expressly provided otherwise in this Indenture or the
Bonds.

         (b) Any notice or other communication shall be sufficiently given and
deemed given when delivered by hand or mailed by first-class mail, postage
prepaid, addressed as follows:

                  if to the Issuer, to:

                 Chairman of the Board of Directors of
                 The Industrial Development Board of the
                 Town of Columbia
                 102 South Main Street
                 Columbia, Alabama 36319

                 if to the Trustee, to:

                 110 Office Park Drive
                 Birmingham, Alabama 35223
                 Attention: Corporate Trust Department

                 if to the Company, to:

                 600 North 18th Street
                 Birmingham, Alabama 35291
                 Attention: Treasurer

                 and if to the Remarketing Agent, to:

                 SouthTrust Securities, Inc.
                 112 North 20th Street
                 Birmingham, Alabama 35203
                 Attention: Capital Markets Division.

Any addressee may designate additional or different addresses for purposes of
this Section.

         Section 12.02. Bondholders' Consents. Any consent or other instrument
required by this Indenture to be signed by Bondholders may be in any number of
concurrent documents and may be signed by a Bondholder or by the holder's agent
appointed in writing. Proof of the execution of such instrument or of the
instrument appointing an agent and of the ownership of Bonds, if made in the
following manner, shall be conclusive for any purposes of this Indenture with
regard to any action taken by the Trustee under the instrument:

                 (a) The fact and date of a person's signing an instrument may
         be proved by the certificate of any officer in any jurisdiction who by
         law has power to take acknowledgments within that jurisdiction that the
         person signing the writing acknowledged before the officer the
         execution of the writing, or by an affidavit of any witness to the
         signing.

                 (b) The fact of ownership of Bonds, the amount or amounts,
         numbers and other identification of such Bonds and the date of holding
         shall be proved by the registration books kept pursuant to this
         Indenture.

         In determining whether the holders of the required principal amount of
Bonds outstanding have taken any action under this Indenture, Bonds owned by the
Company or any person controlling, controlled by or under common control with
the Company shall be disregarded and deemed not to be outstanding. In
determining whether the Trustee shall be protected in relying on any such
action, only Bonds which the Trustee knows to be so owned shall be disregarded.

         Any consent or other instrument shall be irrevocable and shall bind any
subsequent owner of such Bond or any Bond delivered in substitution therefor.

         Section 12.03. Appointment of Separate Paying Agent and/or Tender
Agent. If, at any time, the Securities Depository ceases to hold the Bonds, with
the effect that the Bonds are no longer subject to the Book-Entry System, then
the Issuer and the Trustee, acting at the request of the Company, may appoint
one or more banks or trust companies to act as paying agent and/or tender agent
for the Bonds hereunder. Any such paying agent or tender agent shall be a bank
or trust company organized under the laws of the United States of America or any
state thereof, shall have a reported capital and surplus of at least
$100,000,000 and a corporate trust office located in New York, New York, at
which Bonds may be presented for payment or purchase and shall perform such
duties and responsibilities as may be delegated to it hereunder. If such a
paying agent or tender agent is appointed, then all references herein to the
"Trustee" shall include such paying agent or tender agent to the extent of the
duties performed by such entity.

         Section 12.04. Limitation of Rights. Nothing expressed or implied in
this Indenture or the Bonds shall give any person other than the Trustee,
Issuer, Company, Remarketing Agent, and the Bondholders any right, remedy or
claim under or with respect to this Indenture.

         Section 12.05. Severability. If any provision of this Indenture shall
be determined to be unenforceable, that shall not affect any other provision of
this Indenture.

         Section 12.06. Payments Due on Non-Business Days. If a payment date is
not a Business Day at the place of payment, then payment may be made at that
place on the next Business Day, and no interest shall accrue for the intervening
period.

         Section 12.07. Governing Law. This Indenture shall be governed
exclusively by and construed in accordance with the applicable laws of the
State.

         Section 12.08. Captions. The captions in this Indenture are for
convenience only and do not define or limit the scope or intent of any
provisions or Sections of this Indenture.

         Section 12.09. No Recourse Against Issuer's Officers. No member,
director, officer, agent, or employee of the Issuer shall be individually or
personally liable for any payment on the Bonds or be subject to any personal
liability or accountability by reason of the issuance of the Bonds, but this
Section shall not relieve any such officer, director, member, agent, or employee
from the performance of any official duty provided by law or this Indenture.

         Section 12.10. Limitation of Liability. Notwithstanding anything
contained in this Indenture to the contrary, the Bonds shall be limited
obligations of the Issuer and shall be payable solely from the revenues and
receipts and other amounts received by or on behalf of the Issuer pursuant to
the Agreement.

         Section 12.11. Counterparts. This Indenture may be signed in several
counterparts. Each will be an original, but all of them together constitute the
same instrument.


<PAGE>


         IN WITNESS WHEREOF, The Industrial Development Board of the Town of
Columbia has caused this Indenture to be signed in its name and its seal to be
hereunto affixed and attested by its duly authorized officers, respectively, and
SouthTrust Bank, National Association, to evidence its acceptance of the trust
created hereunder, has caused this Indenture to be signed in its name and its
seal to be hereunto affixed and attested by its duly authorized officers,
respectively, all as of the day and year first above written.

                                 THE INDUSTRIAL DEVELOPMENT BOARD OF THE
                                 TOWN OF COLUMBIA

[SEAL]

                                 By:
                                          Chairman of the Board of Directors

ATTEST:

By:
                 Secretary

                                 SOUTHTRUST BANK, NATIONAL ASSOCIATION,
                                          as Trustee

[SEAL]

                                 By:

                                 Title:

ATTEST:

By:

Title:


<PAGE>






                                    EXHIBIT A

                                 [FORM OF BOND]

                            UNITED STATES OF AMERICA

                                STATE OF ALABAMA

No. __________                                     $
                                                    --------------------------


                        THE INDUSTRIAL DEVELOPMENT BOARD
                             OF THE TOWN OF COLUMBIA

                    POLLUTION CONTROL REVENUE REFUNDING BOND
                         (ALABAMA POWER COMPANY PROJECT)

                                  SERIES 1999-A

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

                                                            TYPE OF INTEREST

MATURITY DATE            DATED DATE         CUSIP             RATE PERIOD

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

 June 1, 2022           June 4, 1999     197210 ___              Daily
- --------------------- ----------------- ------------- -------------------------



REGISTERED OWNER:    CEDE & CO.

PRINCIPAL AMOUNT:    ____________________

         The Industrial Development Board of the Town of Columbia (the
"Issuer"), a public corporation organized and existing under the laws of the
State of Alabama, hereby promises to pay, solely from the sources described in
this Bond, to the Registered Owner identified above, or registered assigns, on
the Maturity Date stated above (or if this Bond is called for earlier redemption
as described herein, on the redemption date) the principal amount identified
above and to pay interest as provided in this Bond.

         1. Indenture; Agreement. This Bond is one of the bonds (the "Bonds"),
limited to $51,650,000 in principal amount, issued under the Trust Indenture
dated as of June 1, 1999 (the "Indenture"), between the Issuer and SouthTrust
Bank, National Association, as trustee (the "Trustee"). The terms of the Bonds
include those in the Indenture. Bondholders are referred to the Indenture for a
statement of those terms. When used with reference to the Bonds, the term
"principal" includes any premium payable on those Bonds. Capitalized terms used
herein and not otherwise defined shall have the meanings ascribed to them in the
Indenture.

         The Issuer has sold certain air and water pollution control and sewage
and solid waste disposal facilities (the "Project") located at the Joseph M.
Farley Nuclear Plant (the "Plant") of Alabama Power Company (the "Company") to
the Company pursuant to an Installment Sale Agreement dated as of May 1, 1978,
between the Issuer and the Company, as heretofore supplemented and amended,
including a Tenth Supplementary Installment Sale Agreement dated as of June 1,
1999 (the "Agreement"). Under the Agreement, Company is obligated to pay to the
Issuer amounts sufficient to pay all amounts coming due on the Bonds and other
expenses incurred in connection therewith, and the Issuer has assigned its
rights to such payments under the Agreement to the Trustee as security for the
Bonds. The proceeds of the Bonds will be used to refund certain outstanding
revenue bonds issued to finance a portion of the costs of the Project.

         The Indenture and the Agreement may be amended, and references to them
include any amendments.

         The Issuer has established a book-entry only system of registration for
the Bonds (the "Book-Entry System"). Except as specifically provided otherwise
in the Indenture, a Securities Depository (or its nominee) will be the
registered owner of this Bond. By acceptance of a confirmation of purchase,
delivery or transfer, the Beneficial Owner (if any) of this Bond shall be deemed
to have agreed to this arrangement. If the Securities Depository (or its
nominee) is the registered owner of this Bond, it shall be treated as the owner
of it for all purposes.

         2. Source of Payments. The principal or purchase price of, premium, if
any, and interest on the Bonds are limited obligations of the Issuer and, as
provided in the Indenture, are payable solely and only from payments derived
from the sale of the Project to the Company under the Agreement and from any
other moneys held by the Trustee under the Indenture for such purpose. The Bonds
shall not in any respect be a general obligation of the Issuer, nor shall they
be an obligation of the Town of Columbia, Alabama, or the State of Alabama.
Neither the faith and credit nor the taxing power of the Town of Columbia,
Alabama, the State of Alabama or any political subdivision thereof, is pledged
to the payment of the principal of the Bonds or the interest thereon or other
costs incident thereto.

         3. Interest Rate. Interest on this Bond will be paid at the lesser of
(a) a Daily Rate, a Weekly Rate, a Commercial Paper Rate, or a Long-Term
Interest Rate as selected by the Company and as determined in accordance with
the Indenture and (b) 10%. Interest will initially be payable at a Daily Rate as
set forth in the Indenture. The Company may change the interest rate
determination method from time to time. A change in the method will result in
mandatory redemption of the Bonds (see "Redemptions" below). While there exists
an Event of Default under the Indenture, the interest rate on the Bonds will be
the rate on the Bonds on the day before the Event of Default occurred, except
that if interest on any Bond was then payable at a Commercial Paper Rate, the
default rate for all Bonds then bearing interest at a Commercial Paper Rate will
be the highest Commercial Paper Rate then in effect for any Bond.

         When interest is payable at a Daily, Weekly or Commercial Paper Rate,
it will be computed on the basis of the actual number of days elapsed over a
year of 365 days (366 in leap years), and when payable at a Long-Term Interest
Rate on the basis of a 360-day year of twelve 30-day months. Interest on overdue
principal and, to the extent lawful, on overdue premium and interest will be
payable at the rate on the Bonds on the day before the default occurred.

         4. Interest Payment and Record Dates. Interest will accrue on the
unpaid portion of the principal of this Bond from the last date to which
interest was paid, or if no interest has been paid, from the date of the
original issuance of the Bonds until the entire principal amount of this Bond is
paid. When interest is payable at the rate in the first column below, interest
accrued during the period (an "Interest Period") shown in the second column will
be paid on the date (an "Interest Payment Date") in the third column to holders
of record on the date (a "Record Date") in the fourth column:

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

                    INTEREST ACCRUAL            INTEREST
      RATE               PERIOD                PAYMENT DATE        RECORD DATE

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

     Daily*          Calendar month        Fifth Business Day  Last Business Day
                                            of the next month    of the month

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

     Weekly*         Calendar month        First Business Day  Last Business Day
                                            of the next month   before Interest
                                                                 Payment Date

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

Commercial Paper   From 1 to 365 days      Day after the last  Last Business Day
                   as determined for        day of Commercial   before Interest
                 each Bond pursuant to        Paper Period       Payment Date
                 Section 2.02(a)(3) of
                     the Indenture
                   ("Commercial Paper
                        Period")

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

     Long-Term**     Six-month period or      Next day (June 1  Fifteenth of the
                       portion thereof         or December 1)   month before the
                    ending on the last day                      Interest Payment
                      of May or November                         Date (May 15 or
                                                                 November 15)***

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

- -------

         *If there shall be a change from a Daily Rate or a Weekly Rate on a day
other than the first day of a calendar month, the then current Interest Period
relating to such Daily Rate or Weekly Rate shall end on the day immediately
preceding the date on which the new interest rate on the Bonds shall become
effective, which date in the case of a change from a Weekly Rate, shall be the
Interest Payment Date for such Interest Period, for which the Record Date shall
be the immediately preceding Business Day; but in the case of a change from a
Daily Rate, the Interest Payment Date for such Interest Period shall be the
fifth Business Day after the last day of such Interest Period, for which the
Record Date shall be the last Business Day of such Interest Period. If such new
interest rate shall be a Daily Rate or a Weekly Rate, the first Interest Period
relating thereto shall begin on the effective date of such new interest rate and
end on the last day of the then current calendar month, for which the Interest
Payment Date and the Record Date shall be as prescribed in this Table.

         **If there shall be a change from a Long-Term Interest Rate on a day
other than the day after the last day of the then current Long-Term Interest
Rate Period, or if there shall be an early termination of such Long-Term
Interest Rate Period and a new Long-Term Interest Rate shall be set, such
Long-Term Interest Rate Period shall end on the day immediately preceding the
date on which the new interest rate shall become effective, which date shall be
the Interest Payment Date for such Long-Term Interest Rate Period, for which the
Record Date shall be 15 days prior to such Interest Payment Date or, if sooner,
the first day of such Long-Term Interest Rate Period. If such new interest rate
shall be a Daily Rate or a Weekly Rate, the first Interest Period relating
thereto shall begin on the effective date of such new interest rate and end on
the last day of the then current calendar month, for which the Interest Payment
Date and the Record Date shall be prescribed in this Table.

         ***If an Interest Payment Date occurs less than 15 days after the first
day of a Long-Term Interest Rate Period, the first day of such Long-Term
Interest Rate Period is the Record Date for such interest Payment Date.
<PAGE>


"Business Day" is defined in the Indenture. Payment of defaulted interest will
be made to holders of record as of the fifth-to-last Business Day before
payment.

         5. Method of Payment. Holders must surrender Bonds to the Trustee to
collect principal at maturity or upon redemption. (See "Tenders" below for the
payment of purchase price of tendered Bonds.) Interest on Bonds bearing interest
at a Commercial Paper Rate is payable only upon presentation of such Bonds to
the Trustee. Interest on Bonds bearing interest at a Daily, Weekly, or Long-Term
Interest Rate will be paid to the registered holder hereof as of the Record Date
by check mailed by first-class mail on the Interest Payment Date to such
holder's registered address. A holder of $1,000,000 or more in principal amount
of Bonds may be paid interest at a Daily, Weekly or Commercial Paper Rate by
wire transfer in immediately available funds to an account in the continental
United States if the holder makes a written request of the Trustee (in form
satisfactory to the Trustee) at least two Business Days before the Record Date
specifying the account address. The notice may provide that it will remain in
effect for later interest payments until changed or revoked by another written
notice. Principal and interest will be paid in money of the United States that
at the time of payment is legal tender for payment of public and private debts
or by checks or wire transfers payable in such money. If any payment on the
Bonds is due on a non-Business Day, it will be made on the next Business Day,
and no interest will accrue as a result.

         6. Tenders. "Tender" means to require, or the act of requiring, the
Trustee to purchase a Bond at the holder's option under the provisions of this
Section 6 at 100% of the principal amount plus interest accrued to the date of
purchase. During a Daily Rate Period, if a Bond is tendered after the Record
Date and before the Interest Payment Date for that Interest Period, the Trustee
will pay a purchase price of principal plus interest accruing after the last day
of that Interest Period. The holder will receive interest for that Interest
Period by check or wire transfer as described in Section 5 above.

                 Daily Rate Tender. When interest on the Bonds is payable at a
         Daily Rate and a Book-Entry System is in effect, a Beneficial Owner
         (through its direct Participant in the Securities Depository) may
         tender his interest in a Bond (or portion of Bond) by delivering an
         irrevocable written notice or an irrevocable telephone notice, promptly
         confirmed in writing, to the Trustee (any such telephone notice to be
         delivered to a trust officer of the Trustee) and an irrevocable notice
         by telephone, telegraph, or facsimile transmission to the Remarketing
         Agent, in each case by 11:00 a.m., New York time, on a Business Day,
         stating the principal amount of the Bond (or portion of Bond being
         tendered), payment instructions for the purchase price and the Business
         Day (which may be the date the notice is delivered) the Bond (or
         portion of Bond) is to be purchased. The Beneficial Owner shall effect
         delivery of such Bonds by causing such direct Participant to transfer
         its interest in the Bonds equal to such Beneficial Owner's interest on
         the records of the Securities Depository to the participant account of
         the Trustee with the Securities Depository. Any notice received by the
         Trustee after 11:00 a.m., New York time, shall be deemed to have been
         given on the next Business Day.

                 When interest on the Bonds is payable at a Daily Rate and a
         Book-Entry System is not in effect, a holder of a Bond may tender the
         Bond (or portion of Bond) by delivering the notices as described above
         (which shall include the certificate number of the Bond), and shall
         also deliver the Bond to the Trustee by 1:00 p.m., New York time, on
         the date of purchase (see additional requirements below).

                 Weekly Rate Tender. When interest on the Bonds is payable at a
         Weekly Rate and a Book-Entry System is in effect, a Beneficial Owner
         (through its direct Participant in the Securities Depository) may
         tender his interest in a Bond (or portion of Bond) by delivering an
         irrevocable written notice or an irrevocable telephone notice, promptly
         confirmed in writing, to the Trustee (any such telephone notice to be
         delivered to a trust officer of the Trustee) and an irrevocable notice
         by telephone, telegraph, or facsimile transmission to the Remarketing
         Agent, in each case prior to 5:00 p.m., New York time on a Business Day
         stating the principal amount of the Bond (or portion of Bond) being
         tendered, payment instructions for the purchase price, and the date,
         which must be a Business Day at least seven days after the notice is
         delivered, on which the Bond (or portion of Bond) is to be purchased.
         The Beneficial Owner shall effect delivery of such Bonds by causing
         such direct Participant to transfer its interest in the Bonds equal to
         such Beneficial Owner's interest on the records of the Securities
         Depository to the participant account of the Trustee with the
         Securities Depository.

                 When interest on the Bonds is payable at a Weekly Rate and a
         Book-Entry System is not in effect, a holder of a Bond may tender the
         Bond (or portion of Bond) by delivering the notices as described above
         (which shall include the certificate number of the Bond), and shall
         also deliver the Bond to the Trustee by 1:00 p.m., New York time, on
         the date of purchase (see additional requirements below).

         Payment of Purchase Price. The purchase price for a tendered Bond will
be paid in immediately available funds to the registered owner of the Bond by
the close of business on the date of purchase.

         7. Delivery Address; Additional Delivery Requirements. Notices in
respect of tenders and Bonds tendered must be delivered to the Trustee as
follows:

                     SouthTrust Bank, National Association
                     110 Office Park Drive
                     Birmingham, Alabama 35223
                     Attention:  Corporate Trust Department
                     Telephone:     (205) 254-4131
                     Fax:           (205) 254-4180

         Notices in respect of tenders shall be delivered to the Remarketing
Agent as follows:

                     SouthTrust Securities, Inc.
                     112 North 20th Street
                     Birmingham, Alabama 35203
                     Attention:  Capital Markets Division
                     Telephone:  (205) 254-5968
                     Fax:           (205) 254-4989

The delivery addresses or telephone numbers of the Trustee or the Remarketing
Agent may be changed by notice mailed by first class mail to the Bondholders at
their registered addresses.

         All tendered Bonds must be accompanied by an instrument of transfer
satisfactory to the Trustee, executed in blank by the registered owner or his
duly authorized attorney, with the signature guaranteed by an eligible guarantor
institution.

         Limitation on Tenders. No Bonds may be tendered while they bear
interest at a Commercial Paper Rate or a Long-Term Interest Rate.

         Irrevocable Notice Deemed to be Tender of Bond; Undelivered Bonds. The
giving of notice by an owner of a Bond as provided in Section 6 constitutes the
irrevocable tender for purchase of each Bond (or portion thereof) with respect
to which such notice was given, irrespective of whether such Bond was delivered
as provided in Section 6. The determination of the Trustee as to whether a
notice of tender has been properly delivered shall be conclusive and binding
upon the Bondholders.

         The Trustee may refuse to accept delivery of any Bond for which a
proper instrument of transfer has not been provided. If any owner of a Bond who
gave notice fails to deliver his Bond to the Trustee at the place and on the
applicable date and time specified, or fails to deliver his Bond properly
endorsed, his Bond shall constitute an undelivered Bond as described in Section
2.06 of the Indenture. BY ACCEPTANCE OF THIS BOND, THE OWNER AGREES TO SELL AND
SURRENDER THIS BOND, PROPERLY ENDORSED, TO THE TRUSTEE AFTER THE GIVING OF
IRREVOCABLE NOTICE OF TENDER FOR PURCHASE AS DESCRIBED ABOVE.

         8. Redemptions. As provided below, the Company has the right to
purchase Bonds in lieu of certain redemptions. BY ACCEPTANCE OF THIS BOND, THE
OWNER AGREES TO SELL AND SURRENDER THIS BOND, PROPERLY ENDORSED, TO THE COMPANY
IN LIEU OF REDEMPTION UNDER THE CONDITIONS DESCRIBED BELOW. All redemptions and
purchases in lieu of redemption will be made in funds immediately available on
the redemption or purchase date and will be at a redemption or purchase price of
100% of the principal amount of the Bonds being redeemed or purchased (unless a
premium is required as provided below) plus interest accrued to the redemption
or purchase date, except that interest accruing at a Daily Rate will be paid on
the fifth Business Day following the redemption or purchase date. Bonds tendered
for purchase on a date after a call for redemption but before the redemption
date will be purchased pursuant to the tender. No purchase of Bonds by the
Company or advance use of any funds to effectuate any such purchase shall be
deemed to be a payment or redemption of the Bonds or of any portion thereof and
such purchase will not operate to extinguish or discharge the indebtedness
evidenced by such Bonds.

         Optional Redemption at a Premium During Long-Term Interest Rate Period.
During any Long-Term Interest Rate Period of less than or equal to five years,
the Bonds will not be redeemable pursuant to this provision during the Long-Term
Interest Rate Period.

         If the Long-Term Interest Rate Period is greater than five years, the
Bonds will not be redeemable for five years after the date on which the Bonds
begin to bear interest at the Long-Term Interest Rate. After the five year
no-call period, the Bonds may be redeemed at any time in whole or in part at
102% of their principal amount. The premium will decline every year on the
anniversary of the date on which the Bonds begin to bear interest at the
Long-Term Interest Rate, by one percentage point until the Bonds are redeemable
without premium.

         As an alternative to and in lieu of the foregoing redemption provisions
if, with respect to any Long-Term Interest Rate Period, a Favorable Opinion of
Tax Counsel is delivered to the Trustee not later than the date of the
establishment of such Long-Term Interest Rate Period, the Bonds may be redeemed
during such Long-Term Interest Rate Period at the option of the Company in whole
or in part at any time after a no-call period, if any, established by the
Remarketing Agent, at the percentages of their principal amount, plus accrued
interest, as follows: The Remarketing Agent shall, given the duration of the
Long-Term Interest Rate Period, determine and inform the Trustee, on a date
which is no later than the establishment of the Long-Term Interest Rate, the
periods during which the Bonds shall not be subject to redemption (the "Call
Protection Period"), the redemption premium or premiums (the "Call Premiums"),
if any, applicable to the redemption of Bonds after the Call Protection Period,
and the period or periods during which the Call Premiums shall be effective (the
"Call Premium Periods") necessary to establish the Long-Term Interest Rate. Such
Call Protection Period, Call Premiums and Call Premium Periods shall be
established in accordance with optional call redemption provisions which in the
judgment of the Remarketing Agent, are generally accepted as the standard
features for obligations such as the Bonds, given the length of the Long-Term
Interest Rate Period.

         Extraordinary Optional Redemption. The Bonds may be redeemed in whole
at the option of the Company at any time after the occurrence of any of the
following:

                 (a) Damage or destruction to the Plant or the Project to such
         extent that in the opinion of the Company's board of directors
         (expressed in a resolution) filed with the Issuer and the Trustee: (1)
         the Plant or the Project, as the case may be, cannot be reasonably
         repaired, rebuilt or restored within a period of six months to their
         condition immediately preceding such damage or destruction, or (2) the
         Company is thereby prevented from carrying on its normal operations at
         the Plant for a period of six months.

                 (b) Loss of title to or use of a substantial part of the Plant
         or the Project as a result of the exercise of the power of eminent
         domain which, in the opinion of the Company's board of directors
         (expressed in a resolution) filed with the Issuer and the Trustee,
         results or is likely to result in the Company being thereby prevented
         from carrying on its normal operations therein for a period of six
         months.

                 (c) Any event occurs which, in the opinion of the Company's
         board of directors (expressed in a resolution), renders the Project or
         the Plant so uneconomical that it is abandoned.

         Any such redemption shall be on any date within 90 days from the time
the Company files the required resolution and directs that the Bonds are to be
redeemed, which direction must be given, if at all, within 180 days following
the occurrence of one of the events listed above.

         Optional Redemption During Daily or Weekly Rate Period. When interest
on the Bonds is payable at a Daily or Weekly Rate, the Bonds may be redeemed in
whole or in part at the option of the Company, on any Business Day.

         Mandatory Redemption at Beginning of a New Long-Term Interest Rate
Period. When the Bonds bear interest at a Long-Term Interest Rate and a new
Long-Term Interest Rate is to be determined, the Bonds will be redeemed or
purchased by the Company in lieu of redemption on the effective date of the new
Long-Term Interest Rate. In the case of a change prior to the day originally
established as the day after the last day of a Long-Term Interest Rate Period,
the Bonds will be redeemed or purchased at the percentage of their principal
amount which would be payable upon the applicable redemption described under
"Optional Redemption at a Premium During Long-Term Interest Rate Period" above.

         Mandatory Redemption on Each Interest Payment Date During Commercial
Paper Mode. When Bonds bear interest at a Commercial Paper Rate, each Bond will
be redeemed or purchased by the Company in lieu of redemption on the Interest
Payment Date for such Bond. If Bonds are scheduled to be redeemed under the
following paragraph, the Bonds will be called under, and redemption will be
governed by, that paragraph and not this paragraph.

         Mandatory Redemption Upon a Change in the Method of Determining the
Interest Rate on the Bonds. On the effective date of the change in the method of
determining the interest rate on the Bonds (the four methods being Daily,
Weekly, Commercial Paper, or Long-Term Interest Rates) the Bonds will be
redeemed or purchased by the Company in lieu of redemption on the effective date
of such change. Any such redemption or purchase shall be at a price equal to
100% of the principal amount of the Bonds, except that in the case of a change
prior to the day originally established as the day after the last day of a
Long-Term Interest Rate Period, the Bonds will be redeemed or purchased at the
percentage of their principal amount which would be payable upon the applicable
redemption described under "Optional Redemption at a Premium During Long-Term
Interest Rate Period" above.

         Notice of Redemption. At least 30 days before each redemption (except
redemptions described under "Mandatory Redemption on Each Interest Payment Date
During Commercial Paper Mode" above for which no notice will be given and except
for redemptions described under "Mandatory Redemption Upon a Change in the
Method of Determining the Interest Rate on the Bonds" above for which 15 days'd
notice may be given), the Trustee will mail a notice of redemption by
first-class mail to each Bondholder at the holder's registered address. Failure
to give any required notice of redemption as to any particular Bonds will not
affect the validity of the call for redemption of any Bonds in respect of which
no failure occurs. Any notice mailed as provided in this paragraph shall be
effective when sent and will be conclusively presumed to have been given whether
or not actually received by the addressee.

         Effect of Notice of Redemption. When notice of redemption is required
and given, and when Bonds are to be redeemed without notice, Bonds called for
redemption become due and payable on the redemption date at the applicable
redemption price, subject to the Company's right to purchase Bonds as provided
above; in such case when funds are deposited with the Trustee sufficient for
redemption or for purchase, interest on the Bonds to be redeemed or purchased
ceases to accrue as of the date of redemption or purchase.

         9. Denominations; Transfer; Exchange. The Bonds are in registered form
without coupons in denominations as follows: (1) when interest is payable at a
Daily, Weekly, or Commercial Paper Rate, $100,000 or any integral multiple
thereof; and (2) when interest is payable at a Long-Term Interest Rate, $5,000
or any integral multiple thereof. A holder may transfer or exchange Bonds in
accordance with the Indenture. The Trustee may require a holder, among other
things, to furnish appropriate endorsements and transfer documents and to pay
any taxes and fees required by law or permitted by the Indenture. Except in
connection with the purchase of Bonds tendered for purchase or purchased in lieu
of redemption, the Trustee will not be required to transfer or exchange any Bond
which has been called for redemption or during the period beginning 15 days
before the mailing of notice calling the Bonds or any portion of the Bonds for
redemption and ending on the redemption date.

         10. Persons Deemed Owners. The registered holder of this Bond may be
treated as the owner of it for all purposes.

         11. Unclaimed Money. If money for the payment of principal, premium,
interest, or purchase price remains unclaimed for five years, the Trustee will
pay the money to or for the account of the Company. After that, holders entitled
to the money must look only to the Company and not to the Trustee or the Issuer
for payment unless an abandoned property law designates another person.

         12. Discharge Before Redemption or Maturity. If the Company at any time
deposits with the Trustee money or Government Obligations as described in the
Indenture sufficient to pay at redemption or maturity principal of and interest
on the outstanding Bonds, and if the Company also pays all other sums then
payable by the Company under the Indenture, the lien of the Indenture will be
discharged. After discharge, Bondholders must look only to the deposited money
and securities for payment. Government Obligations are securities backed by the
faith and credit of the United States or securities evidencing ownership
interest in such full-faith and credit securities.

         13. Amendment, Supplement, Waiver. Subject to certain exceptions, the
Indenture, the Agreement, or the Bonds may be amended or supplemented, and any
past default or compliance with any provision may be waived, with the consent of
the holders of a majority in principal amount of the Bonds then outstanding. Any
such consent shall be Irrevocable and shall bind any subsequent owner of this
Bond or any Bond delivered in substitution for this Bond. Without the consent of
any Bondholder, the Issuer may amend or supplement the Indenture, the Agreement,
or the Bonds as described in the Indenture, among other things, to cure any
ambiguity, omission, defect, or inconsistency, to provide for uncertificated
Bonds in addition to or in place of certificated Bonds, to provide for a
Book-Entry System for the Bonds or to make any change that does not materially
adversely affect the rights of any Bondholder.

         14. Defaults and Remedies. The Indenture provides that the occurrences
of certain events constitute Events of Default. If an Event of Default relating
to payment of principal of, interest on, or purchase price of the Bonds occurs
and is continuing, the Bonds shall without further action become immediately due
and payable. Whenever any other Event of Default occurs and is continuing, the
Bonds shall without further action become due and payable immediately. An Event
of Default and its consequences may be waived as provided in the Indenture.
Bondholders may not enforce the Indenture or the Bonds except as provided in the
Indenture. Except as specifically provided in the Indenture, the Trustee may
refuse to enforce the Indenture or the Bonds unless it receives indemnity
satisfactory to it. Subject to certain limitations, holders of a majority in
principal amount of the Bonds then outstanding may direct the Trustee in its
exercise of any trust or power.

         15. No Recourse Against Others. A member, director, officer, or
employee, as such, of the Issuer shall not have any liability for any
obligations of the Issuer or the Company under the Bonds or the Indenture or for
any claim based on such obligations or their creation. Each Bondholder by
accepting a Bond waives and releases all such liability. The waiver and release
are part of the consideration for the issue of the Bond.

         16. Authentication. This Bond shall not be valid until the Trustee
signs the certificate of authentication.

         17. Abbreviations. Customary abbreviations may be used in the name of a
Bondholder or an assignee, such as TEN COM (= tenants in common), TEN ENT (=
tenants by the entireties), JT TEN (= joint tenants with right of survivorship
and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts
to Minors Act).

         A copy of the Indenture may be inspected at the corporate trust office
of the Trustee located at 110 Office Park Circle, Birmingham, Alabama 35223.

         IT IS HEREBY CERTIFIED, RECITED, AND DECLARED that all acts,
conditions, and things required to exist, happen, and be performed precedent to
and in the execution and delivery of the Indenture and the issuance of this Bond
do exist, have happened and have been performed in due time, form, and manner as
required by law.

         This Bond shall not be valid or become obligatory for any purpose or be
entitled to any security or benefit under the Indenture until the certificate of
authentication hereon shall have been duly executed by the Trustee.

         IN WITNESS WHEREOF The Industrial Development Board of the Town of
Columbia has caused this Bond to be executed in its name by the Chairman or Vice
Chairman of its Board of Directors by his manual or facsimile signature and
attested by the manual or facsimile signature of its Secretary or Assistant and
its corporate seal to be hereunto affixed or printed hereon.

Date of Authentication:          ,

                           THE INDUSTRIAL DEVELOPMENT BOARD OF
                           TOWN OF COLUMBIA

[SEAL]

                           By:
                                    Chairman of the Board of Directors

Attest:

By:
         Secretary

                           SOUTHTRUST BANK, NATIONAL ASSOCIATION
                                    Trustee, certifies that this is one of the
                                    Bonds referred to in the Indenture

                           By:
                                             Authorized Signature


<PAGE>


The following abbreviations, when used in the inscription on the face of the
within Bond, shall be construed as though they were written out in full
according to applicable laws or regulations:


<PAGE>


 TEN COM-as tenants in         UNIF GIFT MIN ACT -  Custodian
         common                                       (Cust)         (Minor)
 TEN ENT-as tenants by the
         entireties                   under Uniform Gifts to Minors Act
  JT TEN-as joint tenants
         with right of
         survivorship and                         (State)
         not as tenants in
         common

Additional abbreviations may also be used though not in list above.

                                   ASSIGNMENT

FOR VALUE RECEIVED, the undersigned sells, assigns and transfers unto

    PLEASE INSERT SOCIAL SECURITY OR
    OTHER IDENTIFYING NUMBER OF ASSIGNEE

                         (Name and Address of Assignee)

the within Bond and does hereby irrevocably constitute and appoint

attorney to transfer the said Bond on the books kept for registration thereof
with full power of substitution in the premises.

Dated:


<PAGE>


Signature guaranteed:


Medallion Number:
*Signature(s)   must  be   guaranteed  by  an  eligible
guarantor   institution   which  is  a   member   of  a
recognized    signature   guarantee   program,    i.e.,
Securities  Transfer Agents Medallion  Program (STAMP),
or New York Stock Exchange Medallion  Signature Program
(MSP).

NOTICE:   The   signature  to  this   assignment   must
correspond with the name of the registered  owner as it
appears  upon  the  face of the  within  Bond in  every
particular,  without  alteration or  enlargement or any
change whatever.

                                                                      Exhibit E

                        THE INDUSTRIAL DEVELOPMENT BOARD
                             OF THE TOWN OF COLUMBIA

                                       to

                                SOUTHTRUST BANK,
                              NATIONAL ASSOCIATION,

                                   as Trustee

                                 TRUST INDENTURE

                            Dated as of June 1, 1999

                                   Relating to

                                   $25,000,000

                    Pollution Control Revenue Refunding Bonds
                         (Alabama Power Company Project)

                                  Series 1999-B


<PAGE>




                                TABLE OF CONTENTS

GRANTING CLAUSE............................................................3

                                   ARTICLE I

DEFINITIONS AND RULES OF CONSTRUCTION......................................4
         Section 1.01.          Definitions................................4
         Section 1.02.          Rules of Construction......................9

                                   ARTICLE II

THE BONDS..................................................................9
         Section 2.01.          Issuance of Bonds:  Form; Dating...........9
         Section 2.02.          Interest on the Bonds......................9
         Section 2.03.          Execution and Authentication..............16
         Section 2.04.          Bond Register.............................16
         Section 2.05.          Registration and Exchange of Bonds;
                                Persons Treated as Owners.................16
         Section 2.06.          Mutilated, Lost, Stolen, Destroyed or
                                Undelivered Bonds.........................17
         Section 2.07.          Cancellation of Bonds.....................18
         Section 2.08.          Temporary Bonds...........................18

                                  ARTICLE III

REDEMPTION, PURCHASES IN LIEU OF REDEMPTION AND REMARKETING...............18
         Section 3.01.          Notices to Trustee........................18
         Section 3.02.          Redemption Dates..........................18
         Section 3.03.          Selection of Bonds to Be Redeemed.........18
         Section 3.04.          Redemption Notices........................18
         Section 3.05.          Payment of Bonds Called for Redemption....20
         Section 3.06.          Bonds Redeemed in Part....................20
         Section 3.07.          Purchase of Bonds in Lieu of Redemption...20
         Section 3.08.          Disposition of Purchased Bonds............21

                                   ARTICLE IV

APPLICATION OF PROCEEDS AND PAYMENT OF BONDS..............................22
         Section 4.01.          Application of Proceeds...................22
         Section 4.02.          Payment of Bonds..........................23
         Section 4.03.          Investments of Moneys.....................23
         Section 4.04.          Moneys Held in Trust......................24

                                   ARTICLE V

BOOK-ENTRY SYSTEM.........................................................24
         Section 5.01.          Book-Entry System.........................24

                                   ARTICLE VI

COVENANTS.................................................................26
         Section 6.01.          Prompt Payment of Bonds...................26
         Section 6.02.          Recording and Filing; Further Assurances..26
         Section 6.03.          Tax Covenants.............................26


<PAGE>



                                  ARTICLE VII

DISCHARGE OF INDENTURE....................................................27
         Section 7.01.          Bonds Deemed Paid; Discharge of Indenture.27
         Section 7.02.          Application of Trust Money................28
         Section 7.03.          Repayment to Company......................28

                                  ARTICLE VIII

DEFAULTS AND REMEDIES.....................................................28
         Section 8.01.          Events of Default.........................28
         Section 8.02.          Acceleration..............................29
         Section 8.03.          Other Remedies............................29
         Section 8.04.          Waiver of Past Defaults...................29
         Section 8.05.          Control by Majority.......................29
         Section 8.06.          Limitation on Suits.......................30
         Section 8.07.          Rights of Holders to Receive Payment......30
         Section 8.08.          Collection Suit by Trustee................30
         Section 8.09.          Trustee May File Proofs of Claim..........30
         Section 8.10.          Priorities................................30
         Section 8.11.          Undertaking for Costs.....................31

                                   ARTICLE IX

TRUSTEE AND REMARKETING AGENT.............................................31
         Section 9.01.          Duties of Trustee.........................31
         Section 9.02.          Rights of Trustee.........................32
         Section 9.03.          Individual Rights of Trustee..............32
         Section 9.04.          Trustee's Disclaimer......................32
         Section 9.05.          Notice of Defaults........................33
         Section 9.06.          Compensation and Indemnity of Trustee.....33
         Section 9.07.          Eligibility of Trustee....................33
         Section 9.08.          Replacement of Trustee....................33
         Section 9.09.          Acceptance of Trust by Successor Trustee..34
         Section 9.10.          [reserved]................................35
         Section 9.11.          Duties of Remarketing Agent...............35
         Section 9.12.          Eligibility of Remarketing Agent..........35
         Section 9.13.          Replacement of Remarketing Agent..........35
         Section 9.14.          Compensation of Remarketing Agent.........36
         Section 9.15.          Successor Trustee or Remarketing
                                Agent by Merger...........................36

                                   ARTICLE X

AMENDMENTS OF AND SUPPLEMENTS TO INDENTURE................................36
         Section 10.01.         Without Consent of Bondholders............36
         Section 10.02.         With Consent of Bondholders...............37
         Section 10.03.         Effect of Consents........................37
         Section 10.04.         Notation on or Exchange of Bonds..........37
         Section 10.05.         Signing by Trustee of Amendments and
                                Supplements...............................38
         Section 10.06.         Company Consent Required..................38
         Section 10.07.         Notice to Bondholders.....................38

                                   ARTICLE XI

AMENDMENTS OF AND SUPPLEMENTS TO THE AGREEMENT............................38
         Section 11.01.         Without Consent of Bondholders............38
         Section 11.02.         With Consent of Bondholders...............38
         Section 11.03.         Consents by Trustee to Amendments
                                or Supplements............................38

                                  ARTICLE XII

MISCELLANEOUS.............................................................39
         Section 12.01.         Notices...................................39
         Section 12.02.         Bondholders' Consents.....................40
         Section 12.03.         Appointment of Separate Paying Agent
                                and/or Tender Agent.......................40
         Section 12.04.         Limitation of Rights......................40
         Section 12.05.         Severability..............................41
         Section 12.06.         Payments Due on Non-Business Days.........41
         Section 12.07.         Governing Law.............................41
         Section 12.08.         Captions..................................41
         Section 12.09.         No Recourse Against Issuer's Officers.....41
         Section 12.10.         Limitation of Liability...................41
         Section 12.11.         Counterparts..............................41

EXHIBIT A.......................................................Form of Bond


<PAGE>






                                 TRUST INDENTURE

         THIS TRUST INDENTURE made and entered into as of June 1, 1999, by and
between THE INDUSTRIAL DEVELOPMENT BOARD OF THE TOWN OF COLUMBIA, a public
corporation organized and existing under the laws of the State of Alabama (the
"Issuer"), and SOUTHTRUST BANK, NATIONAL ASSOCIATION, a national banking
association duly organized, existing and authorized to accept and execute trusts
of the character herein set out under and by virtue of the laws of the United
States of America, as trustee (the "Trustee");

                              W I T N E S S E T H:

         WHEREAS, under Act No. 648 enacted at the 1949 Regular Session of the
Alabama Legislature, as heretofore amended and supplemented by Act No. 1893
enacted at the 1971 Regular Session of the Alabama Legislature and Act No.
82-510 enacted at the 1982 Regular Session of the Alabama Legislature (Act No.
648, as amended and supplemented, being herein called the "Act") the Issuer has
the following powers, among others:

                 (a) to acquire, whether by construction, purchase, exchange,
         gift, lease or otherwise, and to enlarge, improve, replace, equip and
         maintain, one or more pollution control facilities, including all real
         and personal property deemed necessary or desirable in connection
         therewith,

                 (b) to issue its revenue bonds to pay the cost of pollution
         control facilities, such bonds to be payable solely from the revenues
         and receipts derived from the leasing or sale by the Issuer of such
         pollution control facilities,

                 (c) to lease or sell to others and otherwise dispose of all of,
         or any portion of, such pollution control facilities, and

                 (d) to issue its refunding bonds for the purpose of paying the
         principal of, premium, if any, and accrued interest on, its outstanding
         revenue bonds;

         WHEREAS, in order to promote the health, safety and prosperity of the
citizens of the State of Alabama through the protection of its air, water and
natural resources, the Issuer has undertaken to acquire, construct, install,
equip and sell to Alabama Power Company (the "Company") facilities or portions
thereof, designed for the abatement or control of air and water pollution, and
the disposal of sewage and solid wastes at the Company's Joseph M. Farley
Nuclear Plant, which is located within the geographical area of operation of the
Issuer in Houston County, Alabama, which facilities comprise the Project and are
generally described in Exhibit A to the Original Agreement described below, and
in furtherance of the above-mentioned purposes, the Issuer and the Company
entered into an Installment Sale Agreement dated as of May 1, 1978 (the "Initial
Agreement"), as supplemented and amended by a First Supplemental Agreement
thereto dated as of November 1, 1984, a Second Supplemental Agreement thereto as
of dated December 1, 1984, a Third Supplemental Agreement thereto dated as of
June 1, 1985, a Fourth Supplemental Agreement thereto dated as of December 1,
1985, a Fifth Supplemental Agreement thereto dated as of December 31, 1985, a
Sixth Supplemental Agreement thereto dated as of November 1, 1986, and a Seventh
Supplemental Agreement dated as of June 1, 1993 (the Initial Agreement, as so
supplemented and amended being referred to herein as the "Original Agreement")
providing for the undertaking by the Issuer to acquire, construct, install,
equip and sell the Project to the Company;

         WHEREAS, the Original Agreement provided that, in order to finance the
Project, the Issuer would issue and sell its revenue bonds in one or more series
and that the Issuer would sell the Project (including improvements with respect
to the Project) to the Company for the purchase price stated in the Original
Agreement;

         WHEREAS, in order to finance or refinance a portion of the costs of the
Project, the Issuer has heretofore issued various series of its revenue bonds
including $101,650,000 aggregate principal amount of its Pollution Control
Revenue Refunding Bonds, Series 1994 (Alabama Power Company Project) (the
"Series 1994 Bonds");

         WHEREAS, in connection with various series of revenue bonds heretofore
issued by the Issuer to finance or refinance the Project, the Issuer and the
Company have entered into the Prior Supplementary Agreements (as hereinafter
defined);

         WHEREAS, the Issuer and the Company have entered into an Eleventh
Installment Sale Agreement dated of as June 1, 1999 (the "Agreement"), providing
that for the purposes therein set forth, the Issuer will issue and sell its
Pollution Control Revenue Refunding Bonds (Alabama Power Company Project),
Series 1999-B;

         WHEREAS, pursuant to and in accordance with the provisions of the Act,
the Issuer now intends to issue its Pollution Control Revenue Refunding Bonds
(Alabama Power Company Project), Series 1999-B, in the aggregate principal
amount of $25,000,000 (the "Bonds") for the purpose of refunding a portion of
the Series 1994 Bonds;

         WHEREAS, the execution and delivery of this Trust Indenture (the
"Indenture"), and the issuance of the Bonds under the Act as herein provided
have been in all respects duly and validly authorized by proceedings duly passed
on and approved by the Issuer;

         WHEREAS, all other acts, conditions and things required by the
Constitution and laws of the State of Alabama to happen, exist and be performed
precedent to and in connection with the execution and delivery of this Indenture
and the Agreement have happened, exist and have been performed as so required,
in order to make this Indenture a valid and binding trust indenture for the
security of the Bonds in accordance with its terms and in order to make the
Agreement a valid and binding agreement in accordance with its terms;

         WHEREAS, the Company has agreed to make installment purchase payments
to the Issuer pursuant to the Agreement in amounts sufficient to pay the
principal, purchase price, premium, if any, and interest on the Bonds, all as
hereinafter defined;

         Accordingly, the Issuer and the Trustee agree as follows for the
benefit of each other and for the benefit of the holders of the Bonds issued
pursuant to this Indenture.

                                 GRANTING CLAUSE

         NOW, THEREFORE, THIS INDENTURE WITNESSETH, that in consideration of the
premises, of the acceptance by the Trustee of the trusts hereby created, and the
purchase and acceptance of the Bonds by the holders thereof, and also for and in
consideration of the sum of One Dollar ($1.00) to the Issuer in hand paid by the
Trustee at or before the execution and delivery of this Indenture, the receipt
of which is hereby acknowledged, and for the purpose of fixing and declaring the
terms and conditions upon which the Bonds are to be issued, authenticated,
delivered, secured and accepted by all persons who shall from time to time be or
become holders thereof, and in order to secure the payment of all Bonds at any
time issued and outstanding hereunder and the interest and the redemption
premiums, if any, thereon and the Purchase Price (hereinafter defined) therefor
according to their tenor, purport and effect, and in order to secure the
performance and observance of all the covenants, agreements and conditions
therein or herein contained, the Issuer has executed and delivered this
Indenture, and does hereby bargain, sell, convey, assign and pledge to the
Trustee, and grant to the Trustee a security interest in, all other rights,
title and interests of the Issuer in, to and under the Agreement, and all moneys
receivable thereunder, except for the Unassigned Rights, and all funds held by
the Trustee hereunder (other than moneys held for the purchase of Bonds which
have not been presented for payment) as security for the payment of the Bonds
and the fees, charges and expenses of the Trustee as aforesaid and the
satisfaction of any other obligation assumed by the Issuer in connection with
all outstanding Bonds at any time issued hereunder;

         TO HAVE AND TO HOLD the same unto the Trustee and its successors in
trust forever;

         IN TRUST NEVERTHELESS, upon the terms and trusts herein set forth, for
the equal and proportionate benefit and security of all and singular present and
future holders of the Bonds issued and to be issued under this Indenture,
without preference, priority or distinction as to lien or otherwise, except as
otherwise hereinafter provided, of any one Bond over any other Bond, by reason
of priority in the issue, sale or negotiation thereof or otherwise;

         PROVIDED, HOWEVER, that if the Issuer, its successors or assigns shall
pay or cause to be paid the principal and purchase price of, premium, if any,
and interest on the Bonds due or to become due thereon, at the times and in the
manner mentioned in the Bonds, and shall perform all the covenants and
conditions required of it by this Indenture, and shall pay or cause to be paid
to the Trustee, any additional paying agents and the Remarketing Agent
(hereinafter defined) all sums of money due or to become due to them in
accordance with the terms and provisions hereof, then upon such final payments
this Indenture and the rights hereby granted shall terminate and the Trustee
shall release this Indenture and shall execute such documents to evidence such
termination and release as may be reasonably required by the Issuer; otherwise,
this Indenture is to be and remain in full force and effect.

         THIS INDENTURE FURTHER WITNESSETH, and it is expressly declared, that
all Bonds from time to time issued and secured hereunder are to be issued,
authenticated and delivered, and all said property, rights and interests,
including, without limitation, the amounts hereby assigned and pledged, are to
be dealt with and disposed of subject to the terms of this Indenture, and the
Issuer agrees with the Trustee and with the respective holders and owners, from
time to time, of said Bonds, or part thereof, as follows:

                                    ARTICLE I

                      DEFINITIONS AND RULES OF CONSTRUCTION

         Section 1.01. Definitions. For all purposes of this Indenture, unless
the context requires otherwise, the following terms shall have the following
meanings:

         "Act" means Act No. 648 enacted at the 1949 Regular Session of the
Alabama Legislature, as amended from time to time, and presently codified as
Title 11, Chapter 54, Article 4 of the Code of Alabama 1975.

         "Agreement" means the Eleventh Supplementary Installment Sale Agreement
dated as of June 1, 1999, between the Issuer and the Company, as amended and
supplemented from time to time.

         "Beneficial Owner" means the purchaser of a beneficial interest in the
Bonds when the Bonds are held by the Securities Depository in the Book-Entry
System, and otherwise means a Bondholder.

         "BMA Index" means, as of any date, the rate calculated according to the
Bond Market Association Municipal Swap Index as of the most recent date for
which such index was published or such other weekly, high-grade index composed
of weekly, tax-exempt variable rate demand notes produced by Municipal Market
Data, Inc. or any successor thereto, or as otherwise designated by the Bond
Market Association.

         "Bondholder" or "holder" means the registered owner of any Bond.

         "Bonds" means the Pollution Control Revenue Refunding Bonds (Alabama
Power Company Project), Series 1999-B, issued by the Issuer hereunder in the
aggregate principal amount of $25,000,000.

         "Book-Entry System" means the system maintained by the Securities
Depository described in Section 5.01.

         "Business Day" means any day other than (i) a Saturday or Sunday, (ii)
a day on which commercial banks are authorized by law to close (A) in the city
in which the principal corporate trust office of the Trustee is located, (B) in
the city in which the principal office of the Remarketing Agent is located or
(C) in New York, New York, or (iii) a day on which the New York Stock Exchange
is closed.

         "Code" means the Internal Revenue Code of 1986, as amended, and any
regulations thereunder.

         "Commercial Paper Mode" means each period of time, comprised of
Commercial Paper Periods, during which Commercial Paper Rates are in effect.

         "Commercial Paper Period" means, with respect to any Bond, each period
set under Section 2.02(a)(3).

         "Commercial Paper Rate" means the interest rate on each Bond set under
Section 2.02(a)(3).

         "Company" means Alabama Power Company, an Alabama corporation, and its
successors and assigns, and any surviving, resulting or transferee entity as
provided in Section 6.3 of the Original Agreement.

         "Company Representative" means any person at the time designated as
such pursuant to the provisions of the Original Agreement by a written
certificate furnished to the Trustee and the Issuer containing the specimen
signature of such person and signed on behalf of the Company by any of its
officers. The certificate may designate an alternate or alternates.

         "Daily Rate" means an interest rate on the Bonds set under Section
2.02(a)(1).

         "Event of Default" is defined in Section 8.01.

         "Favorable Opinion of Tax Counsel" means an Opinion of Tax Counsel
addressed to the Issuer and to the Trustee to the effect that the action
proposed to be taken is permitted by the laws of the State and by this Indenture
and will not adversely affect any exclusion from gross income for federal income
tax purposes of interest on the Bonds.

         "Government Obligations" means (i) noncallable direct obligations of
the United States for which its full faith and credit are pledged, (ii)
noncallable obligations of a Person controlled or supervised by and acting as an
agency or instrumentality of the United States, the timely payment of which is
unconditionally guaranteed as a full faith and credit obligation of the United
States, or (iii) securities or receipts evidencing ownership interests in
obligations or specified portions (such as principal or interest) of obligations
described in (i) or (ii).

         "Indenture" means this Trust Indenture, as it may be amended or
supplemented from time to time in accordance with its terms.

         "Interest Payment Date" is defined in the form of the Bonds appearing
in Exhibit A hereto.

         "Interest Period" is defined in the form of the Bonds appearing in
Exhibit A hereto.

         "Long-Term Interest Rate" means an interest rate on the Bonds set under
Section 2.02(a)(4).

         "Long-Term Interest Rate Period" is defined in Section 2.02(a)(4).

         "Maturity Date" means the stated maturity for the Bonds as set forth in
Section 2.01.

         "1954 Code" means the Internal Revenue Code of 1954, as amended, and
any regulations thereunder.

         "Opinion of Counsel" means a written opinion of counsel who is
acceptable to the Issuer and the Trustee. The counsel may be an employee of or
counsel to the Issuer, the Trustee or the Company.

         "Opinion of Tax Counsel" means an Opinion of Counsel by counsel of
nationally recognized standing in matters relating to the exclusion of interest
from gross income on obligations issued by states and their political
subdivisions or agencies.

         The term "outstanding" when used with reference to Bonds, or "Bonds
outstanding" means all Bonds which have been authenticated and delivered by the
Trustee under this Indenture, except the following:

                 (a) Bonds canceled or purchased by or delivered to the Trustee
for cancellation.

                 (b) Bonds that have become due (at maturity or on redemption,
         acceleration or otherwise) and for the payment, including interest
         accrued to the due date, of which sufficient moneys are held by the
         Trustee.

                 (c) Bonds deemed paid by Section 7.01.

                 (d) Bonds in lieu of which others have been authenticated under
         Section 2.05 (relating to registration and exchange of Bonds) or
         Section 2.06 (relating to mutilated, lost, stolen, destroyed or
         undelivered Bonds).

Bonds purchased by the Trustee or the Company pursuant to tenders or in lieu of
redemption under Article III will continue to be outstanding until the Company
directs the Trustee to cancel them. Bonds purchased pursuant to tenders or in
lieu of redemption and not delivered to the Trustee for payment are not
outstanding, but there will be outstanding Bonds authenticated and delivered in
lieu of such undelivered Bonds as provided in the second paragraph of Section
2.06.

         "Participant" means one of the entities which deposit securities,
directly or indirectly, in the Book-Entry System.

         "Person" means any individual, corporation, partnership, joint venture,
association, joint stock company, trust, estate, unincorporated organization or
government or any agency or political subdivision thereof.

         "Plant" means the Company's Joseph M. Farley Nuclear Plant located near
the Town of Columbia in Houston County, Alabama.

         The term "principal," when used with reference to any Bonds, includes
any premium payable on those Bonds.

         The term "principal corporate trust office", when used with respect to
the Trustee, means the corporate trust office of the Trustee located at 110
Office Park Drive, Birmingham, Alabama 35223, or such address designated by the
Trustee in accordance with the terms of this Indenture.

         "Prior Indenture" means the Trust Indenture dated as of September 1,
1994, as supplemented and amended, under which the Series 1994 Bonds were
issued.

         "Prior Supplementary Agreements" means the Supplementary Installment
Sale Agreement between the Issuer and the Company dated as of September 1, 1994,
the Second Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Third Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Fourth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Fifth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Sixth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Seventh Supplementary Installment Sale Agreement dated as of November 1, 1996,
the Eighth Supplementary Installment Sale Agreement dated as of November 1,
1997, and the Ninth Supplementary Installment Sale Agreement dated as of June 1,
1998.

         "Project" means the air and water pollution control and sewage and
solid waste disposal facilities, a portion of the costs of which were financed
from the proceeds of the Issuer's $1,650,000 Pollution Control Revenue Bonds,
Series A (Alabama Power Company Farley Plant Project) and the Issuer's
$100,000,000 Pollution Control Revenue Bonds, Series B (Alabama Power Company
Farley Plant Project), said bonds having been refunded by the Series 1994 Bonds.
The Project and its original source of financing are described in Exhibit A to
the Original Agreement.

         "Purchase Price" means an amount equal to 100% of the principal amount
of any Bond tendered or deemed tendered pursuant to the provisions of paragraph
6 in the form of the Bonds appearing as Exhibit A hereto, plus accrued and
unpaid interest thereon to the date of purchase.

         "Record Date" is defined in the form of the Bonds appearing as Exhibit
A hereto.

         "Remarketing Agent" means Merchant Capital, L.L.C., and its successors
under this Indenture. The term "principal office", when used with respect to the
Remarketing Agent, means the principal office of the Remarketing Agent
designated in the remarketing agreement dated as of June 1, 1999, between the
Remarketing Agent and the Company.

         "Responsible Officer" means any officer or trust officer of the Trustee
assigned by the Trustee to administer its corporate trust matters.

         "Securities Depository" means The Depository Trust Company, New York,
New York, or its nominee, and its successors and assigns, or any successor
appointed under Section 5.01.

         "Series 1994 Bonds" means the Issuer's Pollution Control Revenue Bonds,
Series 1994 (Alabama Power Company Project) issued and outstanding in the
aggregate principal amount of $101,650,000.

         "Series 1994 Trustee" means SouthTrust Bank, National Association,
Birmingham, Alabama, in its capacity as Trustee for the Series 1994 Bonds.

         "Series 1999-A Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-A, issued in the
aggregate principal amount of $51,650,000.

         "Series 1999-C Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-C, issued in the
aggregate principal amount of $25,000,000.

         "State" means the State of Alabama.

         "Tax Agreement" means the Tax and Non-Arbitrage Certificate of the
Company dated the date of issuance of the Bonds.

         "Trustee" means the entity identified as such in the heading of this
Indenture and its successors under this Indenture.

         "Unassigned Rights" means the rights of the Issuer under the second and
third paragraphs of Section 3.1 (relating to fees and expenses and amounts
payable to redeem the Series 1994 Bonds), Section 4.3 (relating to
indemnification) and Section 5.3 (relating to expenses of collection) of the
Agreement.

         "Weekly Rate" means an interest rate on the Bonds set under Section
2.02(a)(2).

         Section 1.02. Rules of Construction. Unless the context otherwise
requires,

                 (a) an accounting term not otherwise defined has the meaning
         assigned to it in accordance with generally accepted accounting
         principles,

                 (b) references to Articles and Sections are to the Articles and
Sections of this Indenture, and

                 (c) the singular form of any word, including the terms defined
         in Section 1.01, includes the plural, and vice versa, and any reference
         to the male gender includes the female gender.

                                   ARTICLE II

                                    THE BONDS

         Section 2.01. Issuance of Bonds: Form; Dating. The Bonds shall be
designated "The Industrial Development Board of the Town of Columbia Pollution
Control Revenue Refunding Bonds (Alabama Power Company Project) Series 1999-B".
The total principal amount of Bonds that may be outstanding shall not exceed
$25,000,000. The Bonds shall be substantially in the form of Exhibit A, which is
part of this Indenture, in the denominations provided for in the Bonds. The
Bonds may have notations, legends or endorsements required by law or usage. The
Bonds will be numbered as determined by the Trustee.

         All Bonds will be dated the date of original issuance and delivery and
shall mature, subject to prior redemption, on June 1, 2022.

         Upon the execution and delivery of this Indenture, the Issuer will
execute and deliver the Bonds to the Trustee, and the Trustee will authenticate
the Bonds and deliver them to the purchaser or purchasers as directed by the
Issuer.

         Section 2.02. Interest on the Bonds. Interest on the Bonds will be
payable as provided in the Bonds and in this Section. Interest on the Bonds will
initially be payable at the Daily Rate. Bonds issued in exchange for Bonds
surrendered for transfer or exchange or in place of mutilated, lost, stolen,
destroyed or undelivered Bonds will bear interest from the last date to which
interest has been paid on the Bond or Bonds being transferred, exchanged or
replaced or, if no interest has been paid, as of the date of their original
issuance and delivery. The methods of determining the various interest rates are
as provided in the following paragraph (a). The interest rate determination
method may be changed by the Company as described in paragraph (b) below.

         (a) Interest Rate Determination Methods. While there exists an Event of
Default under the Indenture, the interest rate on the Bonds will be the rate on
the Bonds on the day before the Event of Default occurred, except that if
interest on any Bond was then payable at a Commercial Paper Rate, the interest
rate for all Bonds then bearing interest at a Commercial Paper Rate will be the
highest Commercial Paper Rate then in effect for any Bond.

                 (1) Daily Rate. When interest on the Bonds is payable at a
         Daily Rate, the Remarketing Agent will set a Daily Rate on or before
         11:00 a.m., New York time, on each Business Day for that Business Day.
         Each Daily Rate will be the minimum rate necessary (as determined by
         the Remarketing Agent based on the examination of tax-exempt
         obligations comparable to the Bonds known by the Remarketing Agent to
         have been priced or traded under then-prevailing market conditions) for
         the Remarketing Agent to sell the Bonds on the day the rate is set at
         their principal amount (without regard to accrued interest). The Daily
         Rate for any non-Business Day will be the rate for the last day for
         which a rate was set.

                 (2) Weekly Rate. When interest on the Bonds is payable at a
         Weekly Rate, the Remarketing Agent will set a Weekly Rate on or before
         5:00 p.m., New York time, on the last Business Day before the
         commencement of a period during which the Bonds bear interest at a
         Weekly Rate and on each Tuesday thereafter so long as interest on the
         Bonds is to be payable at a Weekly Rate or, if any Tuesday is not a
         Business Day, on the next preceding Business Day. Each Weekly Rate will
         be the minimum rate necessary (as determined by the Remarketing Agent
         based on the examination of tax-exempt obligations comparable to the
         Bonds known by the Remarketing Agent to have been priced or traded
         under then prevailing market conditions) for the Remarketing Agent to
         sell the Bonds on the date the rate is set at their principal amount
         (without regard to accrued interest). Each Weekly Rate shall apply to
         (i) the period beginning on the effective date of the change to a
         Weekly Rate and ending on the next Tuesday or (ii) the period beginning
         on the Wednesday after the Weekly Rate is set and ending on the
         following Tuesday or, if earlier, ending on the day before the
         effective date of a new method of determining the interest rate on the
         Bonds, as applicable.

                 (3) Commercial Paper Rate. During a Commercial Paper Mode, each
         Bond will bear interest during the Commercial Paper Period for such
         Bond at the Commercial Paper Rate for such Bond. Different Commercial
         Paper Periods may apply to different Bonds at any time and from time to
         time. Except as otherwise described in this subparagraph (3), the
         Commercial Paper Period and Commercial Paper Rate for each Bond will be
         determined by the Remarketing Agent no later than 12:15 p.m., New York
         time, on the first day of each Commercial Paper Period.

                     (i) Determination of Commercial Paper Periods. Each
                 Commercial Paper Period will be a period of at least one day
                 and not more than 365 days, determined by the Remarketing Agent
                 to be the period which, together with all other Commercial
                 Paper Periods for all Bonds then outstanding, will, in the
                 judgment of the Remarketing Agent, result in the lowest overall
                 interest expense on the Bonds over the next 365 days. Each
                 Commercial Paper Period will end on either the day before a
                 Business Day or on the day before the Maturity Date for such
                 Bond. However, any Bond purchased on behalf of the Company and
                 remaining unsold by the Remarketing Agent as of the close of
                 business on the first day of the Commercial Paper Period for
                 that Bond will have a Commercial Paper Period of one day or, if
                 that Commercial Paper Period would not end on a day before a
                 Business Day, a Commercial Paper Period of the shortest
                 possible duration greater than one day ending on a day before a
                 Business Day.

                     In determining the number of days in each Commercial Paper
                 Period, the Remarketing Agent shall take into account the
                 following factors: (I) existing short-term tax-exempt market
                 rates and indices of such short-term rates, (II) the existing
                 market supply and demand for short-term tax-exempt securities,
                 (III) existing yield curves for short-term and long-term
                 tax-exempt securities for obligations of credit quality
                 comparable to the Bonds, (IV) general economic conditions, (V)
                 industry economic and financial conditions that may affect or
                 be relevant to the Bonds, (VI) the number of days in other
                 Commercial Paper Periods applicable to the Bonds and (VII) such
                 other facts, circumstances and conditions as the Remarketing
                 Agent, in its sole discretion, shall determine to be relevant.

                     (ii) Determination of Commercial Paper Rates. The
                 Commercial Paper Rate for each Commercial Paper Period for each
                 Bond shall be the minimum rate necessary (as determined by the
                 Remarketing Agent based on the examination of tax-exempt
                 obligations comparable to the Bonds known by the Remarketing
                 Agent to have been priced or traded under the then-prevailing
                 market conditions) for the Remarketing Agent to sell such Bond
                 on the date and at the time of such determination at its
                 principal amount (without regard to accrued interest).

                 (4) Long-Term Interest Rate. When interest on the Bonds is
         payable at a Long-Term Interest Rate, the Remarketing Agent will set a
         Long-Term Interest Rate on a date no more than 15 days before the
         beginning of any period (a "Long-Term Interest Rate Period") in which
         interest on any of the Bonds is to be payable at a Long-Term Interest
         Rate. Each Long-Term Interest Rate will be the minimum rate necessary
         (as determined by the Remarketing Agent based on the examination of
         tax-exempt obligations comparable to the Bonds known by the Remarketing
         Agent to have been priced or traded under then-prevailing market
         conditions) for the Remarketing Agent to sell the Bonds on the
         effective date of the Long-Term Interest Rate at their principal amount
         (without regard to accrued interest).

                 (5) Failure of Remarketing Agent to Announce Interest Rates on
         the Bonds. If the appropriate interest rate or Commercial Paper Period
         is not or cannot be determined for whatever reason, the method of
         determining interest on the Bonds shall be automatically converted to
         the Daily Rate (without the necessity of complying with the
         requirements of Section 2.02(b)) and the interest rate shall be equal
         to the BMA Index, or such other index (or percentage of an index)
         deemed appropriate for tax-exempt securities of the nature of the Bonds
         as the Remarketing Agent, with the consent of the Trustee, may have
         previously selected, until such time as the method of determining
         interest on the Bonds can be changed in accordance with Section
         2.02(b); provided, that if the Bonds are then in a Long-Term Interest
         Rate Period, the Bonds shall bear interest at a Weekly Rate, but only
         if a Favorable Opinion of Tax Counsel with respect to the change to a
         Weekly Rate has been delivered to the Trustee. If such Favorable
         Opinion of Tax Counsel has not been delivered, the Bonds shall remain
         in a Long-Term Interest Rate Period with an interest rate equal to the
         interest rate for the prior Long-Term Interest Rate Period and with a
         duration equal to the prior Long-Term Interest Rate Period (or, if
         earlier, a Long-Term Interest Rate Period ending on the day before the
         Maturity Date for such Bond). The Trustee shall promptly notify the
         Bondholders of any such automatic change as set forth in Section
         2.02(c).

                 While Bonds are in a Commercial Paper Mode, during any
         transition period caused by an automatic conversion of such Bonds to a
         Weekly Rate in accordance with this Subsection (5), Bonds bearing
         interest at a Weekly Rate and Bonds bearing interest at a Commercial
         Paper Rate, as applicable, shall be governed by the provisions of this
         Indenture applicable to such methods of determining interest on the
         Bonds.

         (b) (1) Change in Interest Rate Determination Method. The Company may
change the method of determining the interest rate on the Bonds by notifying the
Issuer, the Trustee, the Remarketing Agent and, if a Book-Entry System is then
in effect for the Bonds, the Securities Depository. Such notice shall contain
(a) the effective date, (b) the proposed interest rate determination method, and
(c) if the change is to a Long-Term Interest Rate or Rates, the last day of the
first such Long-Term Interest Rate Period and, at the option of the Company, the
effective date and last day of any successive Long-Term Interest Rate Periods
(which last day for each Long-Term Interest Rate Period must be either the day
before the Maturity Date for the Bonds or a day which is before a Business Day
and is at least 365 days after the effective date). The Long-Term Interest Rate
Period shall be the same duration for all of the Bonds. The notice must be
accompanied by a Favorable Opinion of Tax Counsel, except as described below.
Except in the case of the rescission of the Favorable Opinion of Tax Counsel
described in Section 2.02(e), if the Company's notice complies with this
paragraph, the interest rate on the Bonds will be payable at the new rate on the
effective date specified in the notice until there is another change as provided
in this Section. Notwithstanding anything in this Indenture to the contrary, the
Company must deliver a Favorable Opinion of Tax Counsel whenever there is a
change from a period during which the interest rate on the Bonds is set at
intervals of 365 days or less to a period during which the interest rate on the
Bonds is set at intervals in excess of 365 days, or vice versa.

         If the Company wishes to designate successive Long-Term Interest Rate
Periods without specifying the effective dates and last days as described in the
preceding paragraph for the second or any subsequent Long-Term Interest Rate
Periods, it may do so by following the same procedure as for a change in the
interest rate determination method as provided in the foregoing paragraph.

         If 30 days before the end of a Long-Term Interest Rate Period the
Company has not provided for the next interest rate period, a new Long-Term
Interest Rate Period of the same duration will follow (or if shorter, a
Long-Term Interest Rate Period ending on the day before the Maturity Date for
the Bonds).

         When one Long-Term Interest Rate Period follows another, all provisions
of this Indenture applying to a change in the interest rate determination method
will apply, except:

                 (A) the redemption described under "Mandatory Redemption Upon a
         Change in the Method of Determining the Interest Rate on the Bonds" in
         the Bonds;

                 (B) the Company will not be required to deliver a Favorable
         Opinion of Tax Counsel if a new Long-Term Interest Rate Period begins
         as a result of the Company failing to provide for the next interest
         rate period; and

                 (C) the Company will not be required to deliver a Favorable
         Opinion of Tax Counsel if the Company has previously designated a
         series of successive Long-Term Interest Rate Periods which, together
         with the current Long-Term Interest Rate Period, are substantially
         equal in length, and if a Favorable Opinion of Tax Counsel was
         delivered before the first such Long-Term Interest Rate Period in that
         series which applies to each successive Long-Term Interest Rate Period.

         (2) Limitations. Any change in the method of determining interest on
the Bonds pursuant to paragraph (1) above must comply with the following:

                 (i) the effective date of a change (or each effective date in
         the case of a change from a Commercial Paper Mode) shall be a Business
         Day which is at least 15 days (30 days if a Long-Term Interest Rate is
         then in effect and the effective date is before the day after the last
         day of a Long-Term Interest Rate Period) after the twelfth Business Day
         after receipt by the Trustee of the Company's notice of the change;

                 (ii) if a Long-Term Interest Rate is then in effect, the
         effective date of any change must be either the day after the last day
         of the Long-Term Interest Rate Period or, except as described in clause
         (iii) below, a day on which the Bonds would otherwise be subject to
         redemption under the paragraph "Optional Redemption at a Premium During
         Long-Term Interest Rate Period" in Section 8 of the Bonds if the change
         did not occur; provided that if the effective date of the change is
         before the day after the last day of the Long-Term Interest Rate
         Period, the Company must also deliver an Opinion of Tax Counsel stating
         that, as of the first day on which the Bonds were subject to optional
         redemption during such Long-Term Interest Rate Period, the Company's
         ability to terminate such Long-Term Interest Rate Period prior to the
         day after the last day of such Long-Term Interest Rate Period did not
         and does not adversely affect the exclusion of interest on the Bonds
         from federal gross income;

                 (iii) if the Company has previously designated successive
         Long-Term Interest Rate Periods, the effective date of each Long-Term
         Interest Rate Period must be the day after the last day of the previous
         Long-Term Interest Rate Period;

                 (iv) if a Commercial Paper Mode is then in effect, the
         effective date of any change must be either the day after the last day
         of the Commercial Paper Mode or, as to any Bond, the day after the last
         day of the Commercial Paper Period then in effect (or to be in effect)
         with respect to that Bond;

                 (v) if any Bonds have been called for redemption and the
         redemption has not yet occurred, the effective date of the change
         cannot be before such redemption date;

                 (vi) if a Long-Term Interest Rate or a Daily Rate is then in
         effect, the effective date of any change cannot occur during the period
         after a Record Date and to, but not including, the related Interest
         Payment Date; and

                 (vii) if a Commercial Paper Mode is then in effect, the
         Remarketing Agent shall determine Commercial Paper Periods of such
         duration that will, in the judgment of the Remarketing Agent, best
         promote an orderly transition on the effective date. After the receipt
         by the Trustee of the Company's notice of such change, the day after
         the last day of each Commercial Paper Period shall be, with respect to
         such Bond, the effective date of the change. The Remarketing Agent
         shall promptly give written notice of each such last date and each such
         effective date with respect to each Bond to the Issuer, the Company,
         and the Trustee.

                 During any such transition period, Bonds bearing interest at a
         Commercial Paper Rate shall be governed by the provisions of this
         Indenture applicable to a Commercial Paper Mode and Bonds bearing
         interest at a Daily Rate, Weekly Rate or Long-Term Interest Rate, as
         applicable, shall be governed by the provisions of this Indenture
         applicable to such methods of determining interest on the Bonds.

         (c) Notice to Bondholders of Change in Interest Rate Determination
Method. When a change in the interest rate determination method is to be made,
or upon commencement of a new Long-Term Interest Rate Period, the Trustee will,
upon notice from the Company pursuant to Section 2.02(b), notify the Bondholders
by first class mail at least 15 days before the effective date (or each
effective date in the case of an adjustment from a Commercial Paper Mode) of the
change, except that such notice shall be given at least 30 days prior to the
effective date if a Long-Term Interest Rate is in effect and the effective date
is on or before the end of the Long-Term Interest Rate Period. The notice shall
be effective when sent and shall state:

                 (1) that the interest rate determination method will be changed
and what the new method will be;

                 (2) the effective date of the new rate; and

                 (3) that a mandatory redemption or mandatory purchase in lieu
         of redemption will result on the effective date of the change as
         provided in the Bonds and all the information required by this
         Indenture to be included in a notice of redemption set forth in Section
         3.04.

         The information required in any notice pursuant to this subsection (c)
and the information referred to in any redemption notice (including an
Additional Notice) pursuant to Section 3.04 may be combined in a single notice
if it is sent to Bondholders in the manner and at the time specified under
"Notice of Redemption" in Section 8 of the form of the Bonds.

         (d) Calculation of Interest. The Remarketing Agent shall provide the
Trustee and the Company with notice in writing or by telephone (any such notice
by telephone to be delivered to a Responsible Officer of the Trustee) promptly
confirmed by facsimile transmission by 12:30 p.m., New York time,

                 (1) on the first Business Day after a month in which interest
         on the Bonds was payable at a Daily Rate, of the Daily Rate for each
         day in such month;

                 (2) on each day on which a Weekly Rate becomes effective, of
the Weekly Rate;

                 (3) on the first day of each Commercial Paper Period, of the
         length thereof and the Commercial Paper Rate, and, if there is more
         than one Commercial Paper Rate then in effect, of the related
         applicable principal amounts;

                 (4) on the first Business Day of a Long-Term Interest Rate
         Period, of the Long-Term Interest Rate or Long-Term Interest Rates set
         for that period and the related applicable principal amounts; and

                 (5) on any Business Day preceding any redemption or purchase
         date, any interest rate requested by the Trustee in order to enable it
         to calculate the accrued interest, if any, due on such redemption or
         purchase date.

         Using the rates supplied by the notice required by this subsection (d),
the Trustee will calculate the interest payable on the Bonds. The Remarketing
Agent will inform the Trustee and the Company orally at the oral request of
either of them of any interest rate set by the Remarketing Agent. The Trustee
will confirm the effective interest rate by telephone or in writing to any
Bondholder who requests it in any manner.

         The setting of the rates and the calculation of interest payable on the
Bonds, as provided in this Indenture, will be conclusive and binding on all
parties.

         (e) Change in Rate Determination Method-Opinions of Counsel.
Notwithstanding any provision of this Section 2.02, no change shall be made in
the interest rate determination method at the direction of the Company pursuant
to Section 2.02(b)(1) hereof if the Trustee shall receive written notice prior
to such change that the Favorable Opinion of Tax Counsel required under Section
2.02(b)(1) or Section 2.02(a)(5) or, if applicable, the Opinion of Tax Counsel
required by Section 2.02(b)(2)(ii), has been rescinded. If the Trustee shall
have sent any notice to the Bondholders regarding a change in rate under Section
2.02(c), then in the event of such rescission of, or failure to deliver, such
opinion, the Trustee shall promptly notify all Bondholders of such rescission.

         Section 2.03. Execution and Authentication. The Bonds shall be signed
on behalf of the Issuer with the manual or facsimile signature of the Chairman
or Vice Chairman of its board of directors, and attested by the manual or
facsimile signature of its Secretary or Assistant Secretary, and the seal of the
Issuer shall be impressed or imprinted on the Bonds by facsimile or otherwise.
All authorized facsimile signatures shall have the same effect as if manually
signed. If an officer of the Issuer whose signature is on a Bond no longer holds
that office at the time the Trustee authenticates the Bond, the Bond shall
nevertheless be valid. Also, if a person signing a Bond is the proper officer on
the actual date of execution, the Bond shall be valid even if that person is not
the proper officer on the nominal date of action.

         A Bond shall not be valid for any purpose under this Indenture until
the Trustee manually signs the certificate of authentication on the Bond. Such
signature shall be conclusive evidence that the Bond has been authenticated
under this Indenture.

         As a precondition to the initial authentication and delivery of the
Bonds, the Trustee shall receive a request and authorization to the Trustee from
the Issuer, signed by the Chairman or Vice Chairman of the board of directors of
the Issuer, to authenticate and deliver the Bonds to the persons and in the
manner therein described.

         Section 2.04. Bond Register. Bonds must be presented at the principal
corporate trust office of the Trustee for registration, transfer, exchange and
payment. Bonds tendered by their holders must be delivered as specified in the
Bonds. The Trustee shall keep a register of Bonds and of their transfer and
exchange, which register shall be open to inspection by the Issuer and the
Company during normal business hours.

         Section 2.05. Registration and Exchange of Bonds; Persons Treated as
Owners. Bonds may be transferred only on the register maintained by the Trustee.
Upon surrender for transfer of any Bond to the Trustee, duly endorsed for
transfer or accompanied by an assignment duly executed by the holder or the
holder's attorney duly authorized in writing, the Trustee will authenticate a
new Bond or Bonds of the same maturity, in an equal total principal amount and
registered in the name of the transferee.

         Bonds may be exchanged for an equal total principal amount of Bonds of
the same maturity but of different authorized denominations. The Trustee will
authenticate and deliver Bonds that the Bondholder making the exchange is
entitled to receive, bearing numbers not then outstanding.

         Except in connection with the purchase of Bonds tendered for purchase
or purchased in lieu of redemption, the Trustee will not be required to transfer
or exchange any Bond called for redemption or during the period beginning 15
days before the mailing of notice calling the Bonds or any portion of the Bonds
for redemption and ending on the redemption date.

         The holder of a Bond shall be the absolute owner of the Bond for all
purposes, and payment of principal, interest or purchase price shall be made
only to or upon the written order of the holder or the holder's legal
representative.

         The Trustee will require the payment by a Bondholder requesting
exchange or transfer of any tax or other governmental charge required to be paid
in respect of the exchange or transfer but will not impose any other charge.

         Section 2.06. Mutilated, Lost, Stolen, Destroyed or Undelivered Bonds.
If any Bond is mutilated, lost, stolen or destroyed, the Trustee will
authenticate a new Bond of the same maturity and denomination if any mutilated
Bond shall first be surrendered to the Trustee, and if, in the case of any lost,
stolen or destroyed Bond, there shall first be furnished to the Issuer, the
Trustee and the Company evidence of such loss, theft or destruction, together
with an indemnity, satisfactory to them of such loss, theft or destruction. If
the Bond has matured, instead of issuing a replacement Bond, the Trustee may,
with the consent of the Company, pay the Bond without requiring surrender of the
Bond and make such requirements as the Trustee deems fit for its protection,
including a lost instrument bond. The Issuer, the Company and the Trustee may
charge their reasonable fees and expenses for actions taken pursuant to this
Section 2.06.

         If a Bond is called for redemption and the Company elects to purchase
the Bond in lieu of redemption as provided in Article III, or if the holder of a
Bond gives irrevocable instructions to the Remarketing Agent for purchase, and
in each case funds are deposited with the Trustee sufficient for the purchase,
the Trustee upon request of the Company or the Remarketing Agent will
authenticate a new Bond in the same maturity and in the same denomination
registered as the Company or the Remarketing Agent may direct and deliver it to
the Company or upon the Company's order, whether or not the Bond purchased or
called for redemption is ever delivered, and the Bond purchased or called for
redemption shall be cancelled on the books of the Trustee, whether or not said
Bond has been delivered to the Trustee. From and after the purchase date,
interest on such Bond shall cease to be payable to the prior holder thereof;
such holder shall cease to be entitled to the benefits or security of this
Indenture and shall have recourse solely to the funds held by the Trustee for
the purchase of such Bond; and the Trustee shall not register any further
transfer of such Bond by such prior holder. All funds held by the Trustee for
the purchase of undelivered Bonds shall be held uninvested.

         Section 2.07. Cancellation of Bonds. Whenever a Bond is delivered to
the Trustee for cancellation (upon payment, redemption or otherwise), or for
transfer, exchange or replacement pursuant to Section 2.05 or Section 2.06, the
Trustee will promptly cancel and dispose of the Bond in accordance with the
Trustee's policy of disposal; provided, however, that the Trustee shall not be
required to destroy cancelled Bonds.

         Section 2.08. Temporary Bonds. Until definitive Bonds are ready for
delivery, the Issuer may execute and the Trustee will authenticate temporary
Bonds substantially in the form of the definitive Bonds, with appropriate
variations. The Issuer will, without unreasonable delay, prepare and the Trustee
will authenticate definitive Bonds in exchange for the temporary Bonds. Such
exchange shall be made by the Trustee without charge.

                                   ARTICLE III

           REDEMPTION, PURCHASES IN LIEU OF REDEMPTION AND REMARKETING

         Section 3.01. Notices to Trustee. If the Company wishes that any Bonds
be redeemed pursuant to any optional redemption provision in the Bonds, the
Company will notify the Trustee of the applicable provision, the redemption
date, the principal amount of the Bonds to be redeemed, and other necessary
particulars. The Company will give the notice at least 45 days before the
redemption date, or such shorter period of time agreed to by the Trustee.

         Section 3.02. Redemption Dates. The redemption date of Bonds to be
redeemed pursuant to any optional redemption provision in the Bonds will be a
date permitted by the Bonds and specified by the Company in the notice delivered
pursuant to the preceding Section. The redemption date for mandatory redemptions
will be as specified in the Bonds to be redeemed or determined by the Trustee
consistently with the provisions of the Bonds.

         Section 3.03. Selection of Bonds to Be Redeemed. Except as provided in
the Bonds, if fewer than all the Bonds are to be redeemed, the Trustee will
select the Bonds to be redeemed by lot or other method it deems fair and
appropriate, except that the Trustee will first select any Bonds owned by the
Company or any of its nominees or held by the Trustee for the account of the
Company or any of its nominees. The Trustee will make the selection from Bonds
not previously called for redemption. For this purpose, the Trustee will
consider each Bond in a denomination larger than the minimum denomination
permitted by the Bonds at the time to be separate Bonds each in the minimum
denomination. Provisions of this Indenture that apply to Bonds called for
redemption also apply to portions of Bonds called for redemption.

         Section 3.04.     Redemption Notices.

         (a) Official Notice of Redemption. The Trustee will give notice of each
redemption as provided in the Bonds and will at the same time give a copy of the
notice to the Remarketing Agent, provided that no redemption notice shall be
given with respect to a redemption under "Mandatory Redemption on Each Interest
Payment Date During Commercial Paper Mode" in Section 8 of the form of the
Bonds. The notice shall identify the Bonds to be redeemed and will state (1) the
redemption date (and, if the Bonds provide that accrued interest will not be
paid on the redemption date, the date it will be paid), (2) the redemption
price, (3) that the Bonds called for redemption must be surrendered to collect
the redemption price, (4) the address at which the Bonds must be surrendered and
(5) that interest on the Bonds called for redemption ceases to accrue on the
redemption date.

         With respect to an optional redemption of any Bonds under "Optional
Redemption at a Premium During Long-Term Interest Rate Period," "Extraordinary
Optional Redemption" or "Optional Redemption During Daily or Weekly Rate Period"
in Section 8 of the form of the Bonds, unless moneys sufficient to pay the
principal of, redemption premium, if any, and interest on the Bonds to be
redeemed shall have been received by the Trustee prior to the giving of such
notice of redemption, such notice may state that said redemption shall be
conditional upon the receipt of such moneys by the Trustee on or prior to the
date fixed for redemption. If such moneys are not received, such notice shall be
of no force and effect, the Issuer shall not redeem such Bonds, the redemption
price shall not be due and payable, and the Trustee shall give notice, in the
same manner in which the notice of redemption was given, that such moneys were
not so received and that such Bonds will not be redeemed.

         Failure to give any required notice of redemption as to any particular
Bonds will not affect the validity of the call for redemption of any Bonds in
respect of which no such failure has occurred. Any notice mailed as provided in
the Bonds shall be effective when sent and will be conclusively presumed to have
been given whether or not actually received by any holder.

         (b) Additional Notice of Redemption. In addition to the redemption
notice required above, if there is not a Book-Entry System in effect for the
Bonds, further notice (the "Additional Notice") shall be given by the Trustee as
set out below. No defect in the Additional Notice nor any failure to give all or
any portion of the Additional Notice shall in any manner defeat the
effectiveness of a call for redemption if notice is given as prescribed in
paragraph (a) above.

                 (1) Each Additional Notice of redemption shall contain the
         information required in paragraph (a) above for an official notice of
         redemption plus (i) the CUSIP numbers of all Bonds being redeemed; (ii)
         the date of the Bonds as originally issued; (iii) the interest rate
         determination method for, or the rate of interest borne by each Bond
         being redeemed; (iv) the maturity date of each Bond being redeemed; and
         (v) any other descriptive information needed to identify accurately the
         Bonds being redeemed.

                 (2) Upon the payment of the redemption price of the Bonds being
         redeemed, each check or other transfer of funds issued for such purpose
         shall bear the CUSIP number identifying, by issue and maturity, the
         Bonds being redeemed with the proceeds of such check or other transfer.

                 (3) Each Additional Notice of redemption shall be sent at least
         30 days before the redemption date by registered or certified mail or
         overnight delivery service (or by such other means as the Trustee may
         have established with the securities depository or information service)
         to all registered securities depositories then in the business of
         holding substantial amounts of obligations similar to the Bonds (such
         depositories now being Depository Trust Company of New York, New York,
         and Midwest Securities Trust Company of Chicago, Illinois) and to one
         or more national information services that disseminate notices of
         redemption of obligations such as the Bonds.

The information required in any redemption notice (including an Additional
Notice) pursuant to this Section and the information required in any notice
pursuant to Section 2.02(c) may be combined in a single notice if it is sent to
Bondholders in the manner and at the time specified under "Notice of Redemption"
in Section 8 of the form of the Bonds.

         Section 3.05. Payment of Bonds Called for Redemption. Upon surrender to
the Trustee, Bonds called for redemption shall be paid or purchased in lieu of
redemption as provided in this Article at the redemption price stated in the
notice, plus interest accrued to the redemption date, or at a purchase price
equal to principal plus accrued interest to the purchase date, except that
interest payable on Bonds bearing interest at a Daily Rate will be paid on the
fifth Business Day following the redemption date. Bonds called for redemption
and purchased pursuant to a tender before the redemption date will not be
redeemed but will be dealt with as provided below in this Article.

         Section 3.06. Bonds Redeemed in Part. Upon surrender of a Bond redeemed
or purchased in lieu of redemption in part, the Trustee will authenticate for
the holder a new Bond or Bonds in authorized denominations equal in principal
amount to the unredeemed or unpurchased portion of the Bond surrendered.

         Section 3.07. Purchase of Bonds in Lieu of Redemption. When Bonds are
called for redemption pursuant to the paragraphs captioned, "Mandatory
Redemption at Beginning of a New Long-Term Interest Rate Period" or "Mandatory
Redemption Upon a Change in the Method of Determining the Interest Rate on the
Bonds" in Section 8 of the form of the Bonds, the Company may purchase some of
or all of the Bonds called for redemption for a price equal to the otherwise
applicable redemption price, if it (or the Remarketing Agent) gives written
notice to the Trustee by 5:00 p.m., New York time, on the day before the
redemption date that it wishes to purchase the Bonds, the principal amount of
which is specified in the notice, and furnishes the Trustee sufficient money in
sufficient time for the Trustee to make the purchase on the redemption date. The
Trustee will purchase Bonds called for redemption pursuant to the paragraph
captioned "Mandatory Redemption on Each Interest Payment Date During Commercial
Paper Mode" unless otherwise instructed in writing by the Company, or unless the
Indenture otherwise requires that they be redeemed and cancelled, before the
redemption date.

The Trustee will purchase the Bonds pursuant to this Section only as provided in
Section 4.02.

         Section 3.08. Disposition of Purchased Bonds. (a) Bonds to be
Remarketed. Bonds purchased pursuant to tenders as provided in the Bonds or in
lieu of redemption as provided in the foregoing Section will be offered for sale
by the Remarketing Agent as provided in this Section except as follows:

                 (1) Bonds purchased pursuant to a tender after having been
         called for redemption under a provision in the Bonds that does not
         provide the Company an option to purchase in lieu of redemption will be
         cancelled.

                 (2) Bonds called for redemption under "Mandatory Redemption
         Upon a Change in the Method of Determining the Interest Rate on the
         Bonds" in Section 8 of the Bonds, which are tendered between the date
         notice of redemption is given and the redemption date, may be
         remarketed before the redemption date only if the buyer receives a copy
         of the redemption notice from the Remarketing Agent.

                 (3) Bonds will not be offered for sale under this Section
during the continuance of an Event of Default.

         (b) Remarketing Effort. Except to the extent the Company directs the
Remarketing Agent not to do so, the Remarketing Agent will offer for sale and
use reasonable efforts to sell all Bonds to be sold as provided in paragraph (a)
above and, when directed by the Company, any Bonds held by the Company. The sale
price of each Bond must be equal to the principal amount of each Bond plus
accrued interest to the purchase date. The Company may direct the Remarketing
Agent from time to time to cease and to resume sales efforts with respect to
some of or all the Bonds. The Remarketing Agent may buy as principal any Bonds
to be offered under this Section.

         (c) Notices in Respect of Tenders. When the Trustee receives a notice
from a Bondholder (or a Beneficial Owner through its direct Participant), as
specified in Section 6 of the Bonds, for the Bondholder (or a Beneficial Owner
through its direct Participant) to tender Bonds, the Trustee will promptly
notify the Remarketing Agent and the Company by facsimile transmission or
telephone, promptly confirmed in writing, of the receipt of such notice, but in
no event later than the following times:

         (i) When the Bonds bear interest at a Daily Rate, no later than 11:15
a.m. (New York time) on the same Business Day; and

                 (ii) When the Bonds bear interest at a Weekly Rate, no later
         than 11:15 a.m. (New York time) on the Business Day next succeeding
         receipt of such notice.

         (d)     Delivery of Remarketed Bonds.

                 (i) The Trustee shall hold all Bonds delivered pursuant to this
         Section in trust for the benefit of the owners thereof until moneys
         representing the Purchase Price of such Bonds shall have been delivered
         to or for the account of or to the order of such Bondholders, and
         thereafter, if such Bonds are remarketed, shall deliver replacement
         Bonds, prepared by the Trustee in accordance with the directions of the
         Remarketing Agent and authenticated by the Trustee, for any Bonds
         purchased in accordance with the written directions of the Remarketing
         Agent, to the Remarketing Agent for delivery to the purchasers thereof.

                 (ii) The Remarketing Agent shall advise the Trustee and the
         Company in writing or by facsimile transmission, promptly confirmed in
         writing, of the principal amount of Bonds which have been remarketed,
         together with the denominations and registration instructions
         (including taxpayer identification numbers) in accordance with the
         following schedule (all times of which are New York time):

         CURRENT METHOD OF INTEREST
         RATE DETERMINATION OR, IN
         CONNECTION WITH A CHANGE IN
         SUCH METHOD, THE NEW METHOD        TIME BY WHICH INFORMATION TO BE
         OF INTEREST RATE DETERMINATION     FURNISHED TO TRUSTEE

         Commercial Paper Period            12:15 p.m. on the purchase date
         Daily Rate Period                  12:15 p.m. on the purchase date
         Weekly Rate Period                 12:15 p.m. on the purchase date
         Long-Term Interest Rate Period     12:15 p.m. on the purchase date

                 (iii) The terms of any sale by the Remarketing Agent shall
         provide for the authorization of the payment of the Purchase Price by
         the Remarketing Agent to the Trustee in exchange for Bonds registered
         in the name of the new Bondholder which shall be delivered by the
         Trustee to the Remarketing Agent at or before 2:00 p.m. (New York time)
         on the purchase date, if the Purchase Price has been received from the
         Remarketing Agent by the time set forth in Section 3.08(e) on the
         purchase date. Such payment by the Remarketing Agent pursuant to such
         authorization shall be made on such date.

         (e) Delivery of Proceeds of Sale. The Remarketing Agent shall deliver
directly to the Trustee an amount equal to the principal amount thereof plus
accrued interest, if any, of the Bonds which the Remarketing Agent has advised
the Trustee have been remarketed pursuant to Section 3.08(d)(ii) no later than
12:30 p.m. (New York time) on the purchase date.

                                   ARTICLE IV

                  APPLICATION OF PROCEEDS AND PAYMENT OF BONDS

         Section 4.01. Application of Proceeds. The Issuer will cause the
proceeds of the initial sale of the Bonds to be deposited with the Trustee. On a
date to be designated by the Company (but in no event later than 90 days
following the date of issuance of the Bonds) the Trustee will disburse the
proceeds of the initial sale of the Bonds, the Series 1999-A Bonds and the
Series 1999-C Bonds to the Series 1994 Trustee for deposit in the bond fund
under the Prior Indenture, to be applied to pay the outstanding principal amount
of the Series 1994 Bonds upon call for redemption.

         Pursuant to Section 3.1 of the Agreement, the Company has agreed to pay
to the Series 1994 Trustee the amount in excess of the proceeds of the Bonds,
the Series 1999-A Bonds and the Series 1999-C Bonds needed to accomplish the
refunding described in this Section. Any investment earnings remaining after the
transfer of moneys to the Series 1994 Trustee, will be applied to the payment of
interest on the Bonds on the next Interest Payment Date.

         Section 4.02. Payment of Bonds. The Trustee will make payments of
principal of, premium, if any, and interest on the Bonds from moneys available
to the Trustee under this Indenture for that purpose. The Trustee will pay the
Purchase Price of tendered Bonds first from the proceeds of the sale of Bonds
under Section 3.08 and second from other moneys available to the Trustee for
that purpose. All moneys received as proceeds of remarketing the Bonds under
Section 3.08 shall be held segregated by the Trustee in a separate and
segregated account.

         Section 4.03. Investments of Moneys. The Trustee will invest and
reinvest moneys held by the Trustee as directed by a Company Representative in
writing, to the extent permitted by law, in:

         (a)     Government Obligations;

         (b)     Bonds and notes of the Federal Land Bank;

         (c)     Obligations of the Federal Intermediate Credit Bank;

         (d)     Obligations of the Federal Bank for Cooperatives;

         (e)     Bonds and notes of Federal Home Loan Banks;

         (f) Negotiable or non-negotiable certificates of deposit, time deposits
or similar banking arrangements, issued by a bank or trust company (which may be
the commercial banking department of the Trustee or any bank or trust company
under common control with the Trustee) or savings and loan association which are
insured by the Federal Deposit Insurance Corporation or secured as to principal
by Government Obligations;

         (g) Investments made in or through the Trustee's cash sweep accounts or
other short term investment funds, the assets of which consist of investments
described in clause (a) above; or

         (h) Other investments then permitted by law.

The Trustee may make investments permitted by this Article through its own bond
department or the bond department of any bank or trust company under common
control with the Trustee. Investments will be made so as to mature or be subject
to redemption at the option of the holder on or before the date or dates that
the Trustee anticipates that moneys from the investments will be required. The
Trustee, when authorized by the Company, may trade with itself in the purchase
and sale of securities for such investment. Investments will be registered in
the name of the Trustee and held by or under the control of the Trustee. The
Trustee will sell and reduce to cash a sufficient amount of investments whenever
the cash held by the Trustee is insufficient. The Trustee shall not be liable
for any loss from such investments to the extent directed by the Company
Representative and to the extent such directions have been complied with by the
Trustee.

         Section 4.04. Moneys Held in Trust. The Trustee will hold in trust for
the benefit of the Bondholders all moneys held by it for any payment on the
Bonds. The proceeds of the initial sale of the Bonds shall be held in a separate
and segregated account by the Trustee until disbursed as described in Section
4.01. Money received by the Remarketing Agent or the Trustee from the sale of a
Bond under Section 3.08 or for the purchase of a Bond will be held segregated
from other funds of the Remarketing Agent or the Trustee in trust for the
benefit of the person from whom such Bond was purchased or the person delivering
such purchase money, as the case may be, and will not be invested. The Trustee
shall promptly, but in no event later than 30 days of their original deposit,
apply moneys received from the Company in accordance with this Indenture and the
Tax Agreement and as directed by the Company Representative.

                                    ARTICLE V

                                BOOK-ENTRY SYSTEM

         Section 5.01. Book-Entry System. The Bonds shall be initially issued in
the name of Cede & Co., as nominee for The Depository Trust Company as the
initial Securities Depository and registered owner of such Bonds, and held in
the custody of the Securities Depository. A single certificate will be issued
and delivered to the Securities Depository for the Bonds. The Beneficial Owners
will not receive physical delivery of Bond certificates except as provided
herein. For so long as the Securities Depository shall continue to serve as
securities depository for such Bonds as provided herein, all transfers of
beneficial ownership interests will be made by book-entry only, and no investor
or other party purchasing, selling or otherwise transferring beneficial
ownership of such Bonds is to receive, hold or deliver any Bond certificate. The
Issuer, the Company and the Trustee will recognize the Securities Depository or
its nominee as the Bondholder of such Bonds for all purposes, including notices
and voting.

         The Issuer and the Trustee covenant and agree, so long as The
Depository Trust Company shall continue to serve as Securities Depository for
the Bonds, to meet the requirements of The Depository Trust Company with respect
to required notices and other provisions of the Letter of Representations
executed with respect to the Bonds.

         The Issuer, the Trustee and the Remarketing Agent may conclusively rely
upon (i) a certificate of the Securities Depository as to the identity of the
Participants in the Book-Entry-System and (ii) a certificate of any such
Participant as to the identity of, and the respective principal amount of Bonds
beneficially owned by, the Beneficial Owners.

         Whenever, during the term of the Bonds, the beneficial ownership
thereof is determined by a book-entry at the Securities Depository, the
requirements in this Indenture of holding, delivering or transferring Bonds
shall be deemed modified to require the appropriate person to meet the
requirements of the Securities Depository as to registering or transferring the
book-entry to produce the same effect. Any provision hereof permitting or
requiring delivery of Bonds shall, while the Bonds are in a Book-Entry System,
be satisfied by the notation on the books of the Securities Depository in
accordance with applicable law.

         The Trustee and the Issuer, at the direction and expense of the Company
and with the consent of the Remarketing Agent, may from time to time appoint a
successor Securities Depository and enter into an agreement with such successor
Securities Depository to establish procedures with respect to the Bonds not
inconsistent with the provisions of this Indenture. Any successor Securities
Depository shall be a "clearing agency" registered under Section 17A of the
Securities Exchange Act of 1934, as amended.

         None of the Issuer, the Company, the Trustee nor the Remarketing Agent
will have any responsibility or obligation to any Securities Depository, any
Participants in the Book-Entry System or the Beneficial Owners with respect to
(i) the accuracy of any records maintained by the Securities Depository or any
Participant; (ii) the payment by the Securities Depository or by any Participant
of any amount due to any Beneficial Owner in respect of the principal amount or
redemption or purchase price of, or interest on, any Bonds; (iii) the delivery
of any notice by the Securities Depository or any Participant; (iv) the
selection of the Beneficial Owners to receive payment in the event of any
partial redemption of the Bonds; or (v) any other action taken by the Securities
Depository or any Participant.

         Bond certificates are required to be delivered to and registered in the
name of the Beneficial Owner, under the following circumstances:

                 (a) The Securities Depository determines to discontinue
         providing its service with respect to the Bonds and no successor
         Securities Depository is appointed as described above. Such a
         determination may be made at any time by giving 30 days' notice to the
         Issuer, the Company and the Trustee and discharging its
         responsibilities with respect thereto under applicable law; or

                  (b) The Company determines not to continue the Book-Entry
         System through a Securities Depository.

The Trustee is hereby authorized to make such changes to the form of bond
attached hereto as Exhibit A which are not inconsistent with this Indenture and
which are necessary or appropriate to reflect that the Book-Entry System is not
in effect, that a successor Securities Depository has been appointed or that an
additional or co-paying agent or tender agent has been designated pursuant to
Section 13.03 hereof.

         If at any time, the Securities Depository ceases to hold the Bonds all
references herein to the Securities Depository shall be of no further force or
effect.

                                   ARTICLE VI

                                    COVENANTS

         Section 6.01. Prompt Payment of Bonds. The Issuer will promptly pay the
principal or purchase price of, premium, if any, and interest on the Bonds on
the dates and in the manner provided in the Bonds, but only from the amounts
assigned to and held by the Trustee under this Indenture.

         Section 6.02. Recording and Filing; Further Assurances. (a) The Trustee
shall cooperate with the Company in causing to be filed all necessary financing
statements and continuation statements related to this Indenture and all
supplements hereto, and such other documents as may be, in the Opinion of
Counsel, necessary to be kept and filed in such manner and in such places as may
be required by law in order to preserve and protect fully the security of the
Bondholders and the rights of the Trustee hereunder.

         (b) The Issuer will execute and deliver such supplemental indentures
and such further instruments, and do such further acts, as the Trustee may
reasonably require for the better assuring, assigning and confirming to the
Trustee the amounts assigned under this Indenture for the payment of the Bonds.

         Section 6.03. Tax Covenants. The Issuer and the Company will not
directly or indirectly use or permit the use of any proceeds of the Bonds or any
other funds of the Issuer or the Company, or take or omit to take any action
that would cause the Bonds to be "arbitrage bonds" within the meaning of Section
148(a) of the Code or result in the loss of the exclusion from gross income for
federal income tax purposes of the interest paid on the Bonds. To that end, the
Issuer and the Company will comply with all requirements of the Code and the
1954 Code to the extent applicable to the Bonds. If at any time the Issuer or
the Company is of the opinion that for purposes of this Section 6.03 it is
necessary to restrict or limit the yield on the investment of any moneys held by
the Trustee under this Indenture, the Issuer or the Company shall so instruct
the Trustee in writing, and the Trustee shall take such action as may be
necessary in accordance with such instructions including, if necessary, the
investment of such moneys in obligations of any state, any political subdivision
thereof, or any public corporation or instrumentality of either thereof, the
interest on which is excludable from gross income under the Code.

         Without limiting the generality of the foregoing, the Issuer and the
Company agree that there shall be paid from time to time all amounts required to
be rebated to the United States pursuant to Section 148(f) of the Code and any
temporary, proposed or final Treasury Regulations as may be applicable to the
Bonds from time to time. This covenant shall survive payment in full or
defeasance of the Bonds. The obligations imposed upon the Company by this
Section have been acknowledged and accepted by the Company in Section 4.6 of the
Agreement and in the Tax Agreement. The Issuer and the Trustee hereby covenant
and agree to cooperate fully with the Company regarding compliance with the
provisions of this Article VI and Section 4.6 of the Agreement.

         Notwithstanding any provision of this Section, if the Company provides
to the Trustee and the Issuer an Opinion of Tax Counsel to the effect that any
action required under this Section is no longer required, or to the effect that
some further action is required, to maintain the exclusion of interest on the
Bonds from federal gross income, the Trustee and the Issuer may conclusively
rely on such opinion in complying with the provisions of this Indenture, and the
covenants under this Indenture shall be deemed to be modified to that extent.

                                   ARTICLE VII

                             DISCHARGE OF INDENTURE

         Section 7.01. Bonds Deemed Paid; Discharge of Indenture. Any Bond will
be deemed paid for all purposes of this Indenture when (a) payment of the
principal of and interest on the Bond to the due date of such principal and
interest (whether at maturity, upon redemption or otherwise) or the payment of
the Purchase Price either (1) has been made in accordance with the terms of the
Bonds or (2) has been provided for by depositing with the Trustee either (A)
moneys sufficient to make such payment or (B) in the case of a deposit prior to
the redemption date or maturity date, as the case may be, of such Bonds or
portions thereof, Government Obligations maturing as to principal and interest
in such amounts and at such times as will insure the availability of sufficient
moneys to make such payment, and (b) all compensation and reasonable expenses of
the Trustee pertaining to each Bond in respect of which such deposit is made
have been paid or provided for to the Trustee's satisfaction. When a Bond is
deemed paid, it will no longer be secured by or entitled to the benefits of this
Indenture or be an obligation of the Issuer, except for payment from moneys or
Government Obligations under (a)(2) above and except that it may be tendered if
and as provided in the Bonds and it may be transferred, exchanged, registered,
discharged from registration or replaced as provided in Article II.

         Notwithstanding the foregoing, upon the deposit of funds under clause
(a)(2) of the first paragraph of this Section, the Purchase Price of tendered
Bonds shall be paid from the sale of Bonds under Section 3.08. If payment of
such Purchase Price is not made from the above sources, payment shall be made
from funds on deposit pursuant to this Section, in which case such Bonds shall
be surrendered to the Trustee and cancelled.

         Notwithstanding the foregoing, no deposit under clause (a)(2) of the
first paragraph of this Section shall be deemed a payment of a Bond until the
Company has furnished the Trustee an Opinion of Tax Counsel stating that the
deposit of such cash or Government Obligations will not cause the Bonds to
become "arbitrage bonds" under Section 148 of the Code and until (a) notice of
redemption of the Bond is given in accordance with Article III or, if the Bond
is not to be redeemed or paid within the next 60 days, until the Company has
given the Trustee, in form satisfactory to the Trustee, irrevocable instructions
(i) to notify, as soon as practicable, the owner of the Bond, in accordance with
Article III, that the deposit required by (a)(2) above has been made with the
Trustee and that the Bond is deemed to be paid under this Article and stating
the maturity or redemption date upon which moneys are to be available for the
payment of the principal of the Bond, and premium, if any, and interest on such
Bond, if the Bond is to be redeemed rather than paid and (ii) to give notice of
redemption not less than 30 nor more than 60 days prior to the redemption date
for such Bond or (b) the maturity of the Bond.

         When all outstanding Bonds are deemed paid under the foregoing
provisions of this Section, the Trustee will upon request acknowledge the
discharge of the lien of this Indenture, provided, however that the obligations
relating to the tender for purchase as provided in the Bonds and obligations
under Article II in respect of the transfer, exchange, registration, discharge
from registration and replacement of Bonds shall survive the discharge of the
lien of the Indenture.

         No deposit will be made or accepted and no use made of any such deposit
which would cause any Bonds to be treated as "arbitrage bonds" within the
meaning of Section 148 of the Code.

         Section 7.02. Application of Trust Money. The Trustee shall hold in
trust money or Government Obligations deposited with it pursuant to the
preceding Section and shall apply the deposited money and the money from the
Government Obligations in accordance with this Indenture only to the payment of
principal of, premium, if any, and interest on the Bonds and to the payment of
the Purchase Price of tendered Bonds.

         Section 7.03. Repayment to Company. The Trustee shall promptly pay to
the Company upon request any excess money or securities held by the Trustee at
any time under this Article and any money held by the Trustee under any
provision of this Indenture for the payment of principal or interest or for the
purchase of Bonds that remains unclaimed for five years.

                                  ARTICLE VIII

                              DEFAULTS AND REMEDIES

         Section 8.01. Events of Default. An "Event of Default" is any of the
following:

                 (a) Default in the payment of any interest on any Bond when due
         and as the same shall become due and payable, which default continues
         for five days.

                 (b) Default in the due and punctual payment of principal on any
         Bond when due and payable, whether at maturity, upon redemption, or by
         declaration or otherwise.

                  (c) Default in the payment of the purchase price of any Bond
         tendered by its Beneficial Owner pursuant to the Bonds.

                  (d) An event of default has occurred and is continuing under
         the Agreement.

         Section 8.02. Acceleration. Whenever an Event of Default has occurred
and is continuing, the Bonds shall without further action become immediately due
and payable.

         Section 8.03. Other Remedies. If an Event of Default occurs and is
continuing, the Trustee may, and upon request of the holders of at least 25% in
principal amount of the Bonds then outstanding shall, pursue any available
remedy by proceeding at law or in equity to collect the principal of or interest
on the Bonds or to enforce the performance of any provision of the Bonds, this
Indenture or the Agreement.

         The Trustee, as the assignee of all the right, title and interest of
the Issuer in and to the Agreement, shall enforce each and every right granted
to the Issuer under the Agreement.

         The Trustee may maintain a proceeding even if it does not possess any
of the Bonds or does not produce any of them in the proceeding. A delay or
omission by the Trustee or any Bondholder in exercising any right or remedy
accruing upon an Event of Default shall not impair the right or remedy or
constitute a waiver of or acquiescence in the Event of Default. No remedy is
exclusive of any other remedy. All available remedies are cumulative.

         In the event of a bankruptcy or reorganization of the Company, the
Trustee may file a proof of claim on behalf of all Bondholders with respect to
the obligations of the Company pursuant to the Agreement.

         Section 8.04. Waiver of Past Defaults. The holders of a majority in
principal amount of the Bonds then outstanding by notice to the Trustee may
waive an existing Event of Default and its consequences. When an Event of
Default is waived, it is cured and stops continuing, but no such waiver shall
extend to any subsequent or other Event of Default or impair any right
consequent to it.

         Section 8.05. Control by Majority. The holders of a majority in
principal amount of the Bonds then outstanding may direct the time, method and
place of conducting any proceeding for any remedy available to the Trustee or of
exercising any trust or power conferred on it. However, the Trustee may refuse
to follow any direction that conflicts with law or this Indenture or, subject to
Section 9.01, that the Trustee determines is unduly prejudicial to the rights of
other Bondholders, or would involve the Trustee in personal liability.

         Section 8.06. Limitation on Suits. A Bondholder may not pursue any
remedy with respect to this Indenture or the Bonds unless (a) the holder gives
the Trustee notice stating that an Event of Default is continuing, (b) the
holders of at least 25% in principal amount of the Bonds then outstanding make a
written request to the Trustee to pursue the remedy, (c) such holder or holders
offer to the Trustee indemnity satisfactory to the Trustee against any loss,
liability or expense and (d) the Trustee does not comply with the request within
60 days after receipt of the request and the offer of indemnity.

         A Bondholder may not use this Indenture to prejudice the rights of
another Bondholder or to obtain a preference or priority over the other
Bondholders.

         Section 8.07. Rights of Holders to Receive Payment. Notwithstanding any
other provision of this Indenture, the right of any holder to receive payment of
principal of and interest on a Bond, on or after the due dates expressed in the
Bond, or the purchase price of a Bond on or after the date for its purchase as
provided in the Bond, or to bring suit for the enforcement of any such payment
on or after such dates, shall not be impaired or affected without the consent of
the holder.

         Section 8.08. Collection Suit by Trustee. If an Event of Default under
Section 8.01(a), (b) or (c) occurs and is continuing, the Trustee may recover
judgment in its own name and as trustee of an express trust against the Company
for the whole amount remaining unpaid.

         Section 8.09. Trustee May File Proofs of Claim. The Trustee may file
such proofs of claim and other papers or documents as may be necessary or
advisable in order to have the claims of the Trustee and the Bondholders allowed
in any judicial proceedings relative to the Company, its creditors or its
property and, unless prohibited by law or applicable regulations, may vote on
behalf of the holders in any election of a trustee in bankruptcy or other person
performing similar functions. In the event of a bankruptcy or reorganization of
the Company, the Trustee may file a proof of claim on behalf of all Bondholders
with respect to the obligations of the Company pursuant to the Agreement.

         Section 8.10. Priorities. If the Trustee collects any money pursuant to
this Article, it shall pay out the money in the following order:

                  FIRST:   To the Trustee for amounts to which it is entitled
                           under Section 9.06.

                  SECOND:  To Bondholders for amounts due and unpaid on the
                           Bonds for principal and interest, ratably, without
                           preference or priority of any kind, according to the
                           amounts due and payable on the Bonds for principal
                           and interest, respectively.

                  THIRD:   To the Company.

The Trustee may fix a payment date for any payment to the Bondholders.

         Section 8.11. Undertaking for Costs. In any suit for the enforcement of
any right or remedy under this Indenture or in any suit against the Trustee for
any action taken or omitted by it as Trustee, a court in its discretion may
require the filing by any party litigant in the suit of an undertaking to pay
the costs of the suit, and the court in its discretion may assess reasonable
costs, including reasonable attorneys' fees, against any party litigant in the
suit, having due regard to the merits and good faith of the claims or defenses
made by the party litigant. This Section does not apply to a suit by the
Trustee, a suit by a holder pursuant to Section 8.07 or a suit by holders of
more than 10% in principal amount of the Bonds then outstanding.

                                   ARTICLE IX

                          TRUSTEE AND REMARKETING AGENT

         Section 9.01. Duties of Trustee. (a) If an Event of Default has
occurred and is continuing, the Trustee shall exercise its rights and powers and
use the same degree of care and skill in its exercise as a prudent person would
exercise or use under the circumstances in the conduct of such person's own
affairs.

         (b)     Except during the continuance of an Event of Default,

                 (1) the Trustee need perform only those duties that are
         specifically set forth in this Indenture and applicable laws and
         regulations, and no others and no implied duties or covenants shall be
         read into this Indenture against the Trustee, and

                 (2) in the absence of bad faith on its part, the Trustee may
         conclusively rely, as to the truth of the statements and the
         correctness of the opinions expressed, upon certificates, opinions,
         requisitions or any other writing furnished to the Trustee and
         conforming to the requirements of this Indenture. However, the Trustee
         shall examine the certificates and opinions to determine whether they
         conform to the requirements of this Indenture.

         (c) The Trustee may not be relieved from liability for its own grossly
negligent action, its own grossly negligent failure to act or its own willful
misconduct, except that:

                  (1) this paragraph does not limit the effect of paragraph (b)
         of this Section,

                 (2) the Trustee shall not be liable for any error of judgment
         made in good faith by a Responsible Officer, unless it is proved that
         the Trustee was grossly negligent in ascertaining the pertinent facts,

                 (3) the Trustee shall not be liable with respect to any action
         it takes or omits to take in good faith in accordance with a direction
         received by it pursuant to Section 8.05, and

                 (4) no provision of this Indenture shall require the Trustee to
         expend or risk its own funds or otherwise incur any financial liability
         in the performance of any of its duties hereunder or in the exercise of
         any of its rights or powers, if it shall have reasonable grounds for
         believing that repayment of such funds or adequate indemnity against
         such risk or liability is not reasonably assured to it.

         (d) Every provision of this Indenture that in any way relates to the
Trustee is subject to all the paragraphs of this Section.

         (e) The Trustee may refuse to perform any duty or exercise any right or
power unless it receives indemnity satisfactory to it against any loss,
liability or expense, but the Trustee may not require indemnity as a condition
to declaring the principal of and interest on the Bonds to be due immediately
under Section 8.02 or to making any payment of principal or interest on the
Bonds.

         (f) The Trustee shall not be liable for interest on any cash held by it
except as the Trustee may agree with the Company or the Issuer with the consent
of the Company.

         (g) In addition to the funds and accounts established by this
Indenture, the Trustee may establish such funds and accounts as it deems
necessary and appropriate in order to discharge its duties under this Indenture.

         Section 9.02.     Rights of Trustee.  Subject to the foregoing Section:

                 (a) The Trustee may rely on any document believed by it to be
         genuine and to have been signed or presented by the proper person. The
         Trustee need not investigate any fact or matter stated in the document.

                 (b) The Trustee shall not be liable for any action it takes or
         omits to take in good faith in reliance on any certificate of an
         appropriate officer or officers of the Issuer or the Company or Opinion
         of Counsel.

                 (c) The Trustee may act through agents or co-trustees but shall
         be answerable for the conduct of the same in accordance with the
         standards specified in this Indenture.

         Section 9.03. Individual Rights of Trustee. The Trustee in its
individual or any other capacity may become the owner or pledgee of Bonds and
may otherwise deal with the Issuer or with the Company or its affiliates with
the same rights it would have if it were not Trustee.

         Section 9.04. Trustee's Disclaimer. The Trustee makes no representation
as to the validity or adequacy of this Indenture, the Agreement or the Bonds,
and it shall not be responsible for any statement in the Bonds other than its
certificate of authentication.

         Section 9.05. Notice of Defaults. If an event occurs which with the
giving of notice or lapse of time or both would be an Event of Default, and if
the event is continuing and if it is known to the Trustee, the Trustee shall
promptly mail to each Bondholder notice of the event. Except in the case of a
default in payment or purchase on any Bonds, the Trustee may withhold the notice
if and so long as a committee of its Responsible Officers in good faith
determines that withholding the notice is in the interests of Bondholders.

         Section 9.06. Compensation and Indemnity of Trustee. For acting under
this Indenture, the Trustee shall be entitled to payment of reasonable fees for
its services and reimbursement of advances, reasonable counsel fees and other
expenses reasonably and necessarily made or incurred by the Trustee as shall be
agreed upon in writing by the Trustee and the Company from time to time in
connection with its services under this Indenture.

         To secure the payment or reimbursement to the Trustee provided for in
this Section, the Trustee shall have a senior claim, to which the Bonds are made
subordinate, on all money or property held or collected by the Trustee, except
that held under Article VII or otherwise held in trust to pay principal of and
interest on particular Bonds.

         The Company has agreed in the Agreement to indemnify the Trustee for,
and to hold it harmless against, any loss, liability or expense incurred without
negligence or bad faith on its part, arising out of or in connection with the
acceptance or administration of this trust, including the reasonable costs and
expenses of defending itself against any claim or liability in connection with
the exercise or performance of any of its powers or duties hereunder.

         Section 9.07. Eligibility of Trustee. This Indenture shall always have
a Trustee that is a corporation or association organized and doing business
under the laws of the United States or any state or the District of Columbia, is
authorized under such laws to exercise corporate trust powers, is subject to
supervision or examination by United States, state or District of Columbia
authority and has a combined capital and surplus of at least $50,000,000 as set
forth in its most recent published annual report of condition. If at any time
the Trustee ceases to be eligible in accordance with this Section, the Trustee
will resign immediately as set forth in Section 9.08.

         Section 9.08. Replacement of Trustee. (a) The Trustee may resign by
notifying the Issuer and the Company and by mailing notice by first class mail
to the Bondholders. Upon receiving such notice of resignation, the Company shall
promptly appoint a successor trustee by an instrument in writing; provided that
the Company may not make such appointment if an Event of Default has occurred
and is continuing, or if an event has occurred and is continuing which, with the
passage of time or the giving of notice or both will become an Event of Default.
If no successor trustee shall have been so appointed and have accepted
appointment within 30 days after the giving of such notice of resignation, the
resigning Trustee may petition any court of competent jurisdiction for the
appointment of a successor trustee or any Bondholder who has been a bona fide
holder of a Bond for at least six months may, on behalf of himself and others
similarly situated, petition any such court for the appointment of a successor
trustee. Such court may thereupon, after such notice, if any, as it may deem
proper and may prescribe, appoint a successor trustee.

         (b)     In case at any time either of the following shall occur:

                 (1) the Trustee shall cease to be eligible in accordance with
         the provisions of Section 9.07 and shall fail to resign after written
         request therefor by the Company or the Issuer, or

                 (2) the Trustee shall become incapable of acting, or shall be
         adjudged a bankrupt or insolvent, or a receiver of the Trustee or of
         its property shall be appointed, or any public officer shall take
         charge or control of the Trustee or of its property or affairs for the
         purpose of rehabilitation, conservation or liquidation,

then, in any such case, the Company shall remove the Trustee and appoint a
successor trustee by an instrument in writing; provided that the Company may not
make such appointment if an Event of Default has occurred and is continuing, or
if an event has occurred and is continuing which, with the passage of time or
the giving of notice or both will become an Event of Default, or any Bondholder
may, on behalf of itself and all others similarly situated, petition any court
of competent jurisdiction for the removal of the Trustee and the appointment of
a successor trustee. Such court may thereupon, after such notice, if any, as it
may deem proper and may prescribe, remove the Trustee and appoint a successor
trustee.

         (c) Except as otherwise provided in this subsection (c), the Company or
holders of a majority in aggregate principal amount of the Bonds at the time
outstanding may at any time remove the Trustee and appoint a successor trustee
by an instrument or concurrent instruments in writing signed by the Company or
such Bondholders, as the case may be. The Company may not remove the Trustee if
an Event of Default has occurred and is continuing or if an event has occurred
and is continuing which, with the passage of time or the giving of notice will
become an Event of Default.

         (d) Any resignation or removal of the Trustee and appointment of a
successor trustee pursuant to any of the provisions of this Section shall become
effective upon acceptance of appointment by the successor trustee as provided in
Section 9.09. The Company shall give written notification to any rating agency
then rating the Bonds of such successor trustee appointed pursuant to this
Section.

         Section 9.09. Acceptance of Trust by Successor Trustee. Any successor
trustee appointed as provided in Section 9.08 shall execute, acknowledge and
deliver to the Issuer and to its predecessor trustee an instrument accepting
such appointment hereunder, and thereupon the resignation or removal of the
predecessor trustee shall become effective and such successor trustee, without
any further act, deed or conveyance, shall become vested with all the rights,
powers, trusts, duties, and obligations of its predecessor in the trusts
hereunder, with like effect as if originally named as Trustee herein; but,
nevertheless, on the written request of the Issuer or the request of the
successor trustee, the Trustee ceasing to act shall execute and deliver an
instrument transferring to such successor trustee, upon the trusts herein
expressed, all the rights, power and trusts of the Trustee so ceasing to act.
Upon request of any such successor trustee, the Issuer shall execute any and all
instruments in writing necessary or desirable for more fully and certainly
vesting in and confirming to such successor trustee all such rights, powers, and
duties. Any Trustee ceasing to act shall, nevertheless, retain a lien upon all
property or funds held or collected by such Trustee to secure the amounts due it
as compensation, reimbursement, expenses, and indemnity afforded to it by
Section 9.06.

         No successor trustee shall accept appointment as provided in this
Section 9.09 unless at the time of such acceptance such successor trustee shall
be eligible under the provisions of Section 9.07.

         At the time of appointment, the Company and the successor trustee shall
execute an agreement with respect to the compensation of the successor trustee.

         Upon acceptance of appointment by a successor trustee as provided in
this Section, the Issuer or such successor trustee shall give Bondholders notice
of the succession of such trustee to the trusts hereunder in the manner
prescribed in Section 9.08 for the giving of notice of resignation of the
Trustee.

         Section 9.10.     [reserved].

         Section 9.11. Duties of Remarketing Agent. The Remarketing Agent will
set the interest rates on the Bonds and perform the other duties provided for in
Section 2.02 and will remarket Bonds as provided in Section 3.08, subject to any
provisions of a remarketing agreement between the Company and the Remarketing
Agent, which shall control in the case of any conflict with this Indenture. The
Remarketing Agent may for its own account or as broker or agent for others deal
in Bonds and may do anything any other Bondholder may do to the same extent as
if the Remarketing Agent were not serving as such.

         Section 9.12. Eligibility of Remarketing Agent. The initial Remarketing
Agent appointed under this Indenture is Merchant Capital, L.L.C., Montgomery,
Alabama. The Remarketing Agent will be a bank, trust company or member of the
National Association of Securities Dealers, Inc. organized and doing business
under the laws of the United States or any state or the District of Columbia and
must be authorized by law to perform all the duties imposed upon it by this
Indenture. Any successor Remarketing Agent shall be rated at least Baa3/P-3 or
otherwise qualified by Moody's Investors Service, Inc. or have an equivalent
rating of another rating agency.

         Section 9.13. Replacement of Remarketing Agent. The Remarketing Agent
may resign by notifying the Issuer, Trustee, and Company. Such resignation will
take effect on the day a successor Remarketing Agent appointed in accordance
with this Section has accepted the appointment or, if no successor has so
accepted, 30 days after notice of resignation has been sent. The Company may
remove the Remarketing Agent at any time by an instrument signed by the Company
and filed with the Remarketing Agent, the Issuer, and the Trustee at least 30
days prior to the effective date of such removal (which will not in any event
occur prior to the appointment of a successor Remarketing Agent). A new
Remarketing Agent may be appointed by the Company upon the resignation or
removal of the Remarketing Agent. The Trustee shall promptly notify the
Bondholders of any change in the Remarketing Agent.

         Section 9.14. Compensation of Remarketing Agent. The Remarketing Agent
will not be entitled to any compensation from the Issuer, the Trustee or any
property held under this Indenture but must make separate arrangements with the
Company for compensation.

         Section 9.15. Successor Trustee or Remarketing Agent by Merger. If the
Trustee or Remarketing Agent consolidates with, merges or converts into, or
transfers all or substantially all its assets (or, in the case of a bank or
trust company, its corporate trust assets) to another corporation, the
resulting, surviving or transferee corporation without any further act shall be
the successor Trustee or Remarketing Agent, provided that such successor shall
be eligible under the applicable provisions in this Article.

                                    ARTICLE X

                   AMENDMENTS OF AND SUPPLEMENTS TO INDENTURE

         Section 10.01. Without Consent of Bondholders. The Issuer and the
Trustee may amend or supplement this Indenture or the Bonds without notice to or
consent of any Bondholder:

                  (a) to cure any ambiguity, inconsistency, or formal defect or
         omission;

                  (b) to grant to the Trustee for the benefit of the Bondholders
         additional rights, remedies, powers, or authority;

                  (c) to subject to this Indenture additional collateral or to
         add other agreements of the Issuer;

                 (d) to modify this Indenture or the Bonds to permit
         qualification under the Trust Indenture Act of 1939 or any similar
         federal statute at the time in effect, or to permit the qualification
         of the Bonds for sale under the securities laws of any state of the
         United States;

                 (e) to authorize different authorized denominations of the
         Bonds and to make correlative amendments and modifications to this
         Indenture regarding exchangeability of Bonds of different authorized
         denominations, redemptions of portions of Bonds of particular
         authorized denominations and similar amendments and modifications of a
         technical nature;

                 (f) to increase or decrease the number of days specified for
         the giving of notices in Section 2.02 and to make corresponding changes
         to the period for notice of redemption of the Bonds; provided that no
         decreases in any such number of days shall become effective except
         while the Bonds bear interest at a Daily Rate or a Weekly Rate and
         until 30 days after the Trustee has given notice to the owners of the
         Bonds;

                 (g) to provide for an uncertificated system of registering the
         Bonds or to provide for the change to or from a Book-Entry System for
         the Bonds;

                  (h) to evidence the succession of a new Trustee or the
         appointment by the Trustee or the Issuer of a co-trustee; or

                 (i) to make any change (including a change in Section 4.01 to
         reflect any amendment to the Code or interpretations thereof by the
         Internal Revenue Service) that does not materially adversely affect the
         rights of any Bondholder.

         Section 10.02. With Consent of Bondholders. If an amendment of or
supplement to this Indenture or the Bonds without any consent of Bondholders is
not permitted by the preceding Section, the Issuer and the Trustee may enter
into such amendment or supplement without prior notice to any Bondholders but
with the consent of the holders of at least a majority in principal amount of
the Bonds then outstanding. However, without the consent of each Bondholder
affected, no amendment or supplement may (a) extend the maturity of the
principal of, or interest on, any Bond, (b) reduce the principal amount of, or
rate of interest on, any Bond, (c) effect a privilege or priority of any Bond or
Bonds over any other Bond or Bonds, (d) reduce the percentage of the principal
amount of the Bonds required for consent to such amendment or supplement, (e)
impair the exclusion from federal gross income of interest on any Bond, (f)
eliminate the holders' rights to tender the Bonds, or any mandatory redemption
of the Bonds, extend the due date for the purchase of Bonds tendered by the
holders thereof or call for mandatory redemption or reduce the purchase or
redemption price of such Bonds, (g) create a lien ranking prior to or on a
parity with the lien of this Indenture on the property described in the Granting
Clause of this Indenture, or (h) deprive any Bondholder of the lien created by
this Indenture on such property. In addition, if moneys or Government
Obligations have been deposited or set aside with the Trustee pursuant to
Article VII for the payment of Bonds and those Bonds shall not have in fact been
actually paid in full, no amendment to the provisions of that Article shall be
made without the consent of the holder of each of those Bonds affected.

         Section 10.03. Effect of Consents. Any consent received pursuant to
Section 10.02 will bind each Bondholder delivering such consent and each
subsequent holder of a Bond or portion of a Bond evidencing the same debt as the
consenting holder's Bond.

         Section 10.04. Notation on or Exchange of Bonds. If an amendment or
supplement changes the terms of a Bond, the Trustee may require the holder to
deliver it to the Trustee. The Trustee may place an appropriate notation on the
Bond about the changed terms and return it to the holder. Alternatively, if the
Trustee, the Issuer and the Company determine, the Issuer in exchange for the
Bond will issue and the Trustee will authenticate a new Bond that reflects the
changed terms.

         Section 10.05. Signing by Trustee of Amendments and Supplements. The
Trustee will sign any amendment or supplement to the Indenture or the Bonds
authorized by this Article if the amendment or supplement does not adversely
affect the rights, duties, liabilities, or immunities of the Trustee. If it
does, the Trustee may, but need not, sign it. In signing an amendment or
supplement, the Trustee will be entitled to receive and (subject to Section
9.01) will be fully protected in relying on an Opinion of Counsel stating that
such amendment or supplement is authorized by this Indenture.

         Section 10.06. Company Consent Required. An amendment or supplement to
this Indenture or the Bonds shall not become effective unless the Company
delivers to the Trustee its written consent to the amendment or supplement.

         Section 10.07. Notice to Bondholders. The Trustee shall cause notice of
the execution of each supplement or amendment to this Indenture or the Agreement
to be mailed to the Bondholders. The notice will at the option of the Trustee,
either (i) briefly state the nature of the amendment or supplement and that
copies of it are on file with the Trustee for inspection by Bondholders or (ii)
enclose a copy of such amendment or supplement.

                                   ARTICLE XI

                 AMENDMENTS OF AND SUPPLEMENTS TO THE AGREEMENT

         Section 11.01. Without Consent of Bondholders. The Issuer may enter
into, and the Trustee may consent to, any amendment of or supplement to the
Agreement, or may waive compliance by the Company of any provision of the
Agreement, without notice to or consent of any Bondholder, if the amendment,
supplement, or waiver is required or permitted (a) by the provisions of the
Agreement or this Indenture (including in connection with transactions permitted
by Section 6.3 of the Original Agreement, relating to maintenance of the
Company's existence), (b) to cure any ambiguity, inconsistency or formal defect
or omission, (c) to identify more precisely the Project, (d) in connection with
any authorized amendment of or supplement to this Indenture or (e) to make any
change that does not materially adversely affect the rights of any Bondholder.

         Section 11.02. With Consent of Bondholders. If an amendment of or
supplement to the Agreement without any consent of Bondholders is not permitted
by the foregoing Section, the Issuer may enter into, and/or the Trustee may
consent to (as the case may be), such amendment or supplement, or may waive
compliance by the Company of any provision of the Agreement, without notice to
any Bondholder but with the consent of the holders of at least a majority in
principal amount of the Bonds then outstanding. However, without the consent of
each Bondholder affected, no amendment, supplement or waiver may result in
anything described in the lettered clauses of Section 10.02.

         Section 11.03. Consents by Trustee to Amendments or Supplements. The
Trustee will consent to any amendment or supplement to the Agreement authorized
by this Article if the amendment or supplement does not adversely affect the
rights, duties, liabilities, or immunities of the Trustee. If it does, the
Trustee may, but need not, sign it. In signing a consent to an amendment or
supplement, the Trustee shall be entitled to receive and (subject to Section
9.01) shall be fully protected in relying on an Opinion of Counsel stating that
such amendment or supplement is authorized by this Indenture.

                                   ARTICLE XII

                                  MISCELLANEOUS

         Section 12.01. Notices. (a) Any notice, request, direction,
designation, consent, acknowledgment, certification, appointment, waiver, or
other communication required or permitted by this Indenture or the Bonds must be
in writing except as expressly provided otherwise in this Indenture or the
Bonds.

         (b) Any notice or other communication shall be sufficiently given and
deemed given when delivered by hand or mailed by first-class mail, postage
prepaid, addressed as follows:

                  if to the Issuer, to:

                 Chairman of the Board of Directors of
                     The Industrial Development Board of the
                     Town of Columbia
                 102 South Main Street
                 Columbia, Alabama 36319

                 if to the Trustee, to:

                 110 Office Park Drive
                 Birmingham, Alabama 35223
                 Attention: Corporate Trust Department

                 if to the Company, to:

                 600 North 18th Street
                 Birmingham, Alabama 35291
                 Attention: Treasurer

                 and if to the Remarketing Agent, to:

                 Merchant Capital, L.L.C..
                 250 Commerce Street, 4th Floor
                 Montgomery, Alabama 36104
                 Attention:  Municipal Syndicate

Any addressee may designate additional or different addresses for purposes of
this Section.

         Section 12.02. Bondholders' Consents. Any consent or other instrument
required by this Indenture to be signed by Bondholders may be in any number of
concurrent documents and may be signed by a Bondholder or by the holder's agent
appointed in writing. Proof of the execution of such instrument or of the
instrument appointing an agent and of the ownership of Bonds, if made in the
following manner, shall be conclusive for any purposes of this Indenture with
regard to any action taken by the Trustee under the instrument:

                 (a) The fact and date of a person's signing an instrument may
         be proved by the certificate of any officer in any jurisdiction who by
         law has power to take acknowledgments within that jurisdiction that the
         person signing the writing acknowledged before the officer the
         execution of the writing, or by an affidavit of any witness to the
         signing.

                 (b) The fact of ownership of Bonds, the amount or amounts,
         numbers and other identification of such Bonds and the date of holding
         shall be proved by the registration books kept pursuant to this
         Indenture.

         In determining whether the holders of the required principal amount of
Bonds outstanding have taken any action under this Indenture, Bonds owned by the
Company or any person controlling, controlled by or under common control with
the Company shall be disregarded and deemed not to be outstanding. In
determining whether the Trustee shall be protected in relying on any such
action, only Bonds which the Trustee knows to be so owned shall be disregarded.

         Any consent or other instrument shall be irrevocable and shall bind any
subsequent owner of such Bond or any Bond delivered in substitution therefor.

         Section 12.03. Appointment of Separate Paying Agent and/or Tender
Agent. If, at any time, the Securities Depository ceases to hold the Bonds, with
the effect that the Bonds are no longer subject to the Book-Entry System, then
the Issuer and the Trustee, acting at the request of the Company, may appoint
one or more banks or trust companies to act as paying agent and/or tender agent
for the Bonds hereunder. Any such paying agent or tender agent shall be a bank
or trust company organized under the laws of the United States of America or any
state thereof, shall have a reported capital and surplus of at least
$100,000,000 and a corporate trust office located in New York, New York, at
which Bonds may be presented for payment or purchase and shall perform such
duties and responsibilities as may be delegated to it hereunder. If such a
paying agent or tender agent is appointed, then all references herein to the
"Trustee" shall include such paying agent or tender agent to the extent of the
duties performed by such entity.

         Section 12.04. Limitation of Rights. Nothing expressed or implied in
this Indenture or the Bonds shall give any person other than the Trustee,
Issuer, Company, Remarketing Agent, and the Bondholders any right, remedy or
claim under or with respect to this Indenture.

         Section 12.05. Severability. If any provision of this Indenture shall
be determined to be unenforceable, that shall not affect any other provision of
this Indenture.

         Section 12.06. Payments Due on Non-Business Days. If a payment date is
not a Business Day at the place of payment, then payment may be made at that
place on the next Business Day, and no interest shall accrue for the intervening
period.

         Section 12.07. Governing Law. This Indenture shall be governed
exclusively by and construed in accordance with the applicable laws of the
State.

         Section 12.08. Captions. The captions in this Indenture are for
convenience only and do not define or limit the scope or intent of any
provisions or Sections of this Indenture.

         Section 12.09. No Recourse Against Issuer's Officers. No member,
director, officer, agent, or employee of the Issuer shall be individually or
personally liable for any payment on the Bonds or be subject to any personal
liability or accountability by reason of the issuance of the Bonds, but this
Section shall not relieve any such officer, director, member, agent, or employee
from the performance of any official duty provided by law or this Indenture.

         Section 12.10. Limitation of Liability. Notwithstanding anything
contained in this Indenture to the contrary, the Bonds shall be limited
obligations of the Issuer and shall be payable solely from the revenues and
receipts and other amounts received by or on behalf of the Issuer pursuant to
the Agreement.

         Section 12.11. Counterparts. This Indenture may be signed in several
counterparts. Each will be an original, but all of them together constitute the
same instrument.


<PAGE>




         IN WITNESS WHEREOF, The Industrial Development Board of the Town of
Columbia has caused this Indenture to be signed in its name and its seal to be
hereunto affixed and attested by its duly authorized officers, respectively, and
SouthTrust Bank, National Association, to evidence its acceptance of the trust
created hereunder, has caused this Indenture to be signed in its name and its
seal to be hereunto affixed and attested by its duly authorized officers,
respectively, all as of the day and year first above written.

                                THE INDUSTRIAL DEVELOPMENT BOARD OF THE
                                TOWN OF COLUMBIA

[SEAL]

                                By:
                                         Chairman of the Board of Directors

ATTEST:

By:
                 Secretary

                                SOUTHTRUST BANK, NATIONAL ASSOCIATION,
                                         as Trustee

[SEAL]

                                By:

                                Title:

ATTEST:

By:

Title:


<PAGE>


                                    EXHIBIT A

                                 [FORM OF BOND]

                            UNITED STATES OF AMERICA

                                STATE OF ALABAMA

No. __________                               $
                                              --------------------------


                        THE INDUSTRIAL DEVELOPMENT BOARD
                             OF THE TOWN OF COLUMBIA

                    POLLUTION CONTROL REVENUE REFUNDING BOND
                         (ALABAMA POWER COMPANY PROJECT)

                                  SERIES 1999-B

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

                                                   TYPE OF INTEREST

MATURITY DATE    DATED DATE        CUSIP             RATE PERIOD

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

 June 1, 2022   June 4, 1999    197210 ___              Daily
- -------------- --------------- ------------- -----------------------------



REGISTERED OWNER:    CEDE & CO.

PRINCIPAL AMOUNT:    ____________________

         The Industrial Development Board of the Town of Columbia (the
"Issuer"), a public corporation organized and existing under the laws of the
State of Alabama, hereby promises to pay, solely from the sources described in
this Bond, to the Registered Owner identified above, or registered assigns, on
the Maturity Date stated above (or if this Bond is called for earlier redemption
as described herein, on the redemption date) the principal amount identified
above and to pay interest as provided in this Bond.

         1. Indenture; Agreement. This Bond is one of the bonds (the "Bonds"),
limited to $25,000,000 in principal amount, issued under the Trust Indenture
dated as of June 1, 1999 (the "Indenture"), between the Issuer and SouthTrust
Bank, National Association, as trustee (the "Trustee"). The terms of the Bonds
include those in the Indenture. Bondholders are referred to the Indenture for a
statement of those terms. When used with reference to the Bonds, the term
"principal" includes any premium payable on those Bonds. Capitalized terms used
herein and not otherwise defined shall have the meanings ascribed to them in the
Indenture.

         The Issuer has sold certain air and water pollution control and sewage
and solid waste disposal facilities (the "Project") located at the Joseph M.
Farley Nuclear Plant (the "Plant") of Alabama Power Company (the "Company") to
the Company pursuant to an Installment Sale Agreement dated as of May 1, 1978,
between the Issuer and the Company, as heretofore supplemented and amended,
including an Eleventh Supplementary Installment Sale Agreement dated as of June
1, 1999 (the "Agreement"). Under the Agreement, Company is obligated to pay to
the Issuer amounts sufficient to pay all amounts coming due on the Bonds and
other expenses incurred in connection therewith, and the Issuer has assigned its
rights to such payments under the Agreement to the Trustee as security for the
Bonds. The proceeds of the Bonds will be used to refund certain outstanding
revenue bonds issued to finance a portion of the costs of the Project.

         The Indenture and the Agreement may be amended, and references to them
include any amendments.

         The Issuer has established a book-entry only system of registration for
the Bonds (the "Book-Entry System"). Except as specifically provided otherwise
in the Indenture, a Securities Depository (or its nominee) will be the
registered owner of this Bond. By acceptance of a confirmation of purchase,
delivery or transfer, the Beneficial Owner (if any) of this Bond shall be deemed
to have agreed to this arrangement. If the Securities Depository (or its
nominee) is the registered owner of this Bond, it shall be treated as the owner
of it for all purposes.

         2. Source of Payments. The principal or purchase price of, premium, if
any, and interest on the Bonds are limited obligations of the Issuer and, as
provided in the Indenture, are payable solely and only from payments derived
from the sale of the Project to the Company under the Agreement and from any
other moneys held by the Trustee under the Indenture for such purpose. The Bonds
shall not in any respect be a general obligation of the Issuer, nor shall they
be an obligation of the Town of Columbia, Alabama, or the State of Alabama.
Neither the faith and credit nor the taxing power of the Town of Columbia,
Alabama, the State of Alabama or any political subdivision thereof, is pledged
to the payment of the principal of the Bonds or the interest thereon or other
costs incident thereto.

         3. Interest Rate. Interest on this Bond will be paid at the lesser of
(a) a Daily Rate, a Weekly Rate, a Commercial Paper Rate, or a Long-Term
Interest Rate as selected by the Company and as determined in accordance with
the Indenture and (b) 10%. Interest will initially be payable at a Daily Rate as
set forth in the Indenture. The Company may change the interest rate
determination method from time to time. A change in the method will result in
mandatory redemption of the Bonds (see "Redemptions" below). While there exists
an Event of Default under the Indenture, the interest rate on the Bonds will be
the rate on the Bonds on the day before the Event of Default occurred, except
that if interest on any Bond was then payable at a Commercial Paper Rate, the
default rate for all Bonds then bearing interest at a Commercial Paper Rate will
be the highest Commercial Paper Rate then in effect for any Bond.

         When interest is payable at a Daily, Weekly or Commercial Paper Rate,
it will be computed on the basis of the actual number of days elapsed over a
year of 365 days (366 in leap years), and when payable at a Long-Term Interest
Rate on the basis of a 360-day year of twelve 30-day months. Interest on overdue
principal and, to the extent lawful, on overdue premium and interest will be
payable at the rate on the Bonds on the day before the default occurred.

         4. Interest Payment and Record Dates. Interest will accrue on the
unpaid portion of the principal of this Bond from the last date to which
interest was paid, or if no interest has been paid, from the date of the
original issuance of the Bonds until the entire principal amount of this Bond is
paid. When interest is payable at the rate in the first column below, interest
accrued during the period (an "Interest Period") shown in the second column will
be paid on the date (an "Interest Payment Date") in the third column to holders
of record on the date (a "Record Date") in the fourth column:


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

                    INTEREST ACCRUAL            INTEREST
      RATE               PERIOD                PAYMENT DATE        RECORD DATE

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

     Daily*          Calendar month        Fifth Business Day  Last Business Day
                                            of the next month    of the month

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

     Weekly*         Calendar month        First Business Day  Last Business Day
                                            of the next month   before Interest
                                                                 Payment Date

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

Commercial Paper   From 1 to 365 days      Day after the last  Last Business Day
                   as determined for        day of Commercial   before Interest
                 each Bond pursuant to        Paper Period       Payment Date
                 Section 2.02(a)(3) of
                     the Indenture
                   ("Commercial Paper
                        Period")

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

     Long-Term**     Six-month period or      Next day (June 1  Fifteenth of the
                       portion thereof         or December 1)   month before the
                    ending on the last day                      Interest Payment
                      of May or November                         Date (May 15 or
                                                                 November 15)***

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

- --------


         *If there shall be a change from a Daily Rate or a Weekly Rate on a day
other than the first day of a calendar month, the then current Interest Period
relating to such Daily Rate or Weekly Rate shall end on the day immediately
preceding the date on which the new interest rate on the Bonds shall become
effective, which date in the case of a change from a Weekly Rate, shall be the
Interest Payment Date for such Interest Period, for which the Record Date shall
be the immediately preceding Business Day; but in the case of a change from a
Daily Rate, the Interest Payment Date for such Interest Period shall be the
fifth Business Day after the last day of such Interest Period, for which the
Record Date shall be the last Business Day of such Interest Period. If such new
interest rate shall be a Daily Rate or a Weekly Rate, the first Interest Period
relating thereto shall begin on the effective date of such new interest rate and
end on the last day of the then current calendar month, for which the Interest
Payment Date and the Record Date shall be as prescribed in this Table.

         **If there shall be a change from a Long-Term Interest Rate on a day
other than the day after the last day of the then current Long-Term Interest
Rate Period, or if there shall be an early termination of such Long-Term
Interest Rate Period and a new Long-Term Interest Rate shall be set, such
Long-Term Interest Rate Period shall end on the day immediately preceding the
date on which the new interest rate shall become effective, which date shall be
the Interest Payment Date for such Long-Term Interest Rate Period, for which the
Record Date shall be 15 days prior to such Interest Payment Date or, if sooner,
the first day of such Long-Term Interest Rate Period. If such new interest rate
shall be a Daily Rate or a Weekly Rate, the first Interest Period relating
thereto shall begin on the effective date of such new interest rate and end on
the last day of the then current calendar month, for which the Interest Payment
Date and the Record Date shall be prescribed in this Table.

         ***If an Interest Payment Date occurs less than 15 days after the first
day of a Long-Term Interest Rate Period, the first day of such Long-Term
Interest Rate Period is the Record Date for such interest Payment Date.
<PAGE>


"Business Day" is defined in the Indenture. Payment of defaulted interest will
be made to holders of record as of the fifth-to-last Business Day before
payment.

         5. Method of Payment. Holders must surrender Bonds to the Trustee to
collect principal at maturity or upon redemption. (See "Tenders" below for the
payment of purchase price of tendered Bonds.) Interest on Bonds bearing interest
at a Commercial Paper Rate is payable only upon presentation of such Bonds to
the Trustee. Interest on Bonds bearing interest at a Daily, Weekly, or Long-Term
Interest Rate will be paid to the registered holder hereof as of the Record Date
by check mailed by first-class mail on the Interest Payment Date to such
holder's registered address. A holder of $1,000,000 or more in principal amount
of Bonds may be paid interest at a Daily, Weekly or Commercial Paper Rate by
wire transfer in immediately available funds to an account in the continental
United States if the holder makes a written request of the Trustee (in form
satisfactory to the Trustee) at least two Business Days before the Record Date
specifying the account address. The notice may provide that it will remain in
effect for later interest payments until changed or revoked by another written
notice. Principal and interest will be paid in money of the United States that
at the time of payment is legal tender for payment of public and private debts
or by checks or wire transfers payable in such money. If any payment on the
Bonds is due on a non-Business Day, it will be made on the next Business Day,
and no interest will accrue as a result.

         6. Tenders. "Tender" means to require, or the act of requiring, the
Trustee to purchase a Bond at the holder's option under the provisions of this
Section 6 at 100% of the principal amount plus interest accrued to the date of
purchase. During a Daily Rate Period, if a Bond is tendered after the Record
Date and before the Interest Payment Date for that Interest Period, the Trustee
will pay a purchase price of principal plus interest accruing after the last day
of that Interest Period. The holder will receive interest for that Interest
Period by check or wire transfer as described in Section 5 above.

                 Daily Rate Tender. When interest on the Bonds is payable at a
         Daily Rate and a Book-Entry System is in effect, a Beneficial Owner
         (through its direct Participant in the Securities Depository) may
         tender his interest in a Bond (or portion of Bond) by delivering an
         irrevocable written notice or an irrevocable telephone notice, promptly
         confirmed in writing, to the Trustee (any such telephone notice to be
         delivered to a trust officer of the Trustee) and an irrevocable notice
         by telephone, telegraph, or facsimile transmission to the Remarketing
         Agent, in each case by 11:00 a.m., New York time, on a Business Day,
         stating the principal amount of the Bond (or portion of Bond being
         tendered), payment instructions for the purchase price and the Business
         Day (which may be the date the notice is delivered) the Bond (or
         portion of Bond) is to be purchased. The Beneficial Owner shall effect
         delivery of such Bonds by causing such direct Participant to transfer
         its interest in the Bonds equal to such Beneficial Owner's interest on
         the records of the Securities Depository to the participant account of
         the Trustee with the Securities Depository. Any notice received by the
         Trustee after 11:00 a.m., New York time, shall be deemed to have been
         given on the next Business Day.

                 When interest on the Bonds is payable at a Daily Rate and a
         Book-Entry System is not in effect, a holder of a Bond may tender the
         Bond (or portion of Bond) by delivering the notices as described above
         (which shall include the certificate number of the Bond), and shall
         also deliver the Bond to the Trustee by 1:00 p.m., New York time, on
         the date of purchase (see additional requirements below).

                 Weekly Rate Tender. When interest on the Bonds is payable at a
         Weekly Rate and a Book-Entry System is in effect, a Beneficial Owner
         (through its direct Participant in the Securities Depository) may
         tender his interest in a Bond (or portion of Bond) by delivering an
         irrevocable written notice or an irrevocable telephone notice, promptly
         confirmed in writing, to the Trustee (any such telephone notice to be
         delivered to a trust officer of the Trustee) and an irrevocable notice
         by telephone, telegraph, or facsimile transmission to the Remarketing
         Agent, in each case prior to 5:00 p.m., New York time on a Business Day
         stating the principal amount of the Bond (or portion of Bond) being
         tendered, payment instructions for the purchase price, and the date,
         which must be a Business Day at least seven days after the notice is
         delivered, on which the Bond (or portion of Bond) is to be purchased.
         The Beneficial Owner shall effect delivery of such Bonds by causing
         such direct Participant to transfer its interest in the Bonds equal to
         such Beneficial Owner's interest on the records of the Securities
         Depository to the participant account of the Trustee with the
         Securities Depository.

                 When interest on the Bonds is payable at a Weekly Rate and a
         Book-Entry System is not in effect, a holder of a Bond may tender the
         Bond (or portion of Bond) by delivering the notices as described above
         (which shall include the certificate number of the Bond), and shall
         also deliver the Bond to the Trustee by 1:00 p.m., New York time, on
         the date of purchase (see additional requirements below).

         Payment of Purchase Price. The purchase price for a tendered Bond will
be paid in immediately available funds to the registered owner of the Bond by
the close of business on the date of purchase.

         7. Delivery Address; Additional Delivery Requirements. Notices in
respect of tenders and Bonds tendered must be delivered to the Trustee as
follows:

                     SouthTrust Bank, National Association
                     110 Office Park Drive
                     Birmingham, Alabama 35223
                     Attention:  Corporate Trust Department
                     Telephone:     (205) 254-4131
                     Fax:           (205) 254-4180

         Notices in respect of tenders shall be delivered to the Remarketing
Agent as follows:

                     Merchant Capital, L.L.C.
                     250 Commerce Street, 4th Floor
                     Montgomery, Alabama 36104
                     Attention:  Municipal Syndicate
                     Telephone:  (334) 834-5100
                     Fax:           (334) 269-0902

The delivery addresses or telephone numbers of the Trustee or the Remarketing
Agent may be changed by notice mailed by first class mail to the Bondholders at
their registered addresses.

         All tendered Bonds must be accompanied by an instrument of transfer
satisfactory to the Trustee, executed in blank by the registered owner or his
duly authorized attorney, with the signature guaranteed by an eligible guarantor
institution.

         Limitation on Tenders. No Bonds may be tendered while they bear
interest at a Commercial Paper Rate or a Long-Term Interest Rate.

         Irrevocable Notice Deemed to be Tender of Bond; Undelivered Bonds. The
giving of notice by an owner of a Bond as provided in Section 6 constitutes the
irrevocable tender for purchase of each Bond (or portion thereof) with respect
to which such notice was given, irrespective of whether such Bond was delivered
as provided in Section 6. The determination of the Trustee as to whether a
notice of tender has been properly delivered shall be conclusive and binding
upon the Bondholders.

         The Trustee may refuse to accept delivery of any Bond for which a
proper instrument of transfer has not been provided. If any owner of a Bond who
gave notice fails to deliver his Bond to the Trustee at the place and on the
applicable date and time specified, or fails to deliver his Bond properly
endorsed, his Bond shall constitute an undelivered Bond as described in Section
2.06 of the Indenture. BY ACCEPTANCE OF THIS BOND, THE OWNER AGREES TO SELL AND
SURRENDER THIS BOND, PROPERLY ENDORSED, TO THE TRUSTEE AFTER THE GIVING OF
IRREVOCABLE NOTICE OF TENDER FOR PURCHASE AS DESCRIBED ABOVE.

         8. Redemptions. As provided below, the Company has the right to
purchase Bonds in lieu of certain redemptions. BY ACCEPTANCE OF THIS BOND, THE
OWNER AGREES TO SELL AND SURRENDER THIS BOND, PROPERLY ENDORSED, TO THE COMPANY
IN LIEU OF REDEMPTION UNDER THE CONDITIONS DESCRIBED BELOW. All redemptions and
purchases in lieu of redemption will be made in funds immediately available on
the redemption or purchase date and will be at a redemption or purchase price of
100% of the principal amount of the Bonds being redeemed or purchased (unless a
premium is required as provided below) plus interest accrued to the redemption
or purchase date, except that interest accruing at a Daily Rate will be paid on
the fifth Business Day following the redemption or purchase date. Bonds tendered
for purchase on a date after a call for redemption but before the redemption
date will be purchased pursuant to the tender. No purchase of Bonds by the
Company or advance use of any funds to effectuate any such purchase shall be
deemed to be a payment or redemption of the Bonds or of any portion thereof and
such purchase will not operate to extinguish or discharge the indebtedness
evidenced by such Bonds.

         Optional Redemption at a Premium During Long-Term Interest Rate Period.
During any Long-Term Interest Rate Period of less than or equal to five years,
the Bonds will not be redeemable pursuant to this provision during the Long-Term
Interest Rate Period.

         If the Long-Term Interest Rate Period is greater than five years, the
Bonds will not be redeemable for five years after the date on which the Bonds
begin to bear interest at the Long-Term Interest Rate. After the five year
no-call period, the Bonds may be redeemed at any time in whole or in part at
102% of their principal amount. The premium will decline every year on the
anniversary of the date on which the Bonds begin to bear interest at the
Long-Term Interest Rate, by one percentage point until the Bonds are redeemable
without premium.

         As an alternative to and in lieu of the foregoing redemption provisions
if, with respect to any Long-Term Interest Rate Period, a Favorable Opinion of
Tax Counsel is delivered to the Trustee not later than the date of the
establishment of such Long-Term Interest Rate Period, the Bonds may be redeemed
during such Long-Term Interest Rate Period at the option of the Company in whole
or in part at any time after a no-call period, if any, established by the
Remarketing Agent, at the percentages of their principal amount, plus accrued
interest, as follows: The Remarketing Agent shall, given the duration of the
Long-Term Interest Rate Period, determine and inform the Trustee, on a date
which is no later than the establishment of the Long-Term Interest Rate, the
periods during which the Bonds shall not be subject to redemption (the "Call
Protection Period"), the redemption premium or premiums (the "Call Premiums"),
if any, applicable to the redemption of Bonds after the Call Protection Period,
and the period or periods during which the Call Premiums shall be effective (the
"Call Premium Periods") necessary to establish the Long-Term Interest Rate. Such
Call Protection Period, Call Premiums and Call Premium Periods shall be
established in accordance with optional call redemption provisions which in the
judgment of the Remarketing Agent, are generally accepted as the standard
features for obligations such as the Bonds, given the length of the Long-Term
Interest Rate Period.

         Extraordinary Optional Redemption. The Bonds may be redeemed in whole
at the option of the Company at any time after the occurrence of any of the
following:

                 (a) Damage or destruction to the Plant or the Project to such
         extent that in the opinion of the Company's board of directors
         (expressed in a resolution) filed with the Issuer and the Trustee: (1)
         the Plant or the Project, as the case may be, cannot be reasonably
         repaired, rebuilt or restored within a period of six months to their
         condition immediately preceding such damage or destruction, or (2) the
         Company is thereby prevented from carrying on its normal operations at
         the Plant for a period of six months.

                 (b) Loss of title to or use of a substantial part of the Plant
         or the Project as a result of the exercise of the power of eminent
         domain which, in the opinion of the Company's board of directors
         (expressed in a resolution) filed with the Issuer and the Trustee,
         results or is likely to result in the Company being thereby prevented
         from carrying on its normal operations therein for a period of six
         months.

                 (c) Any event occurs which, in the opinion of the Company's
         board of directors (expressed in a resolution), renders the Project or
         the Plant so uneconomical that it is abandoned.

         Any such redemption shall be on any date within 90 days from the time
the Company files the required resolution and directs that the Bonds are to be
redeemed, which direction must be given, if at all, within 180 days following
the occurrence of one of the events listed above.

         Optional Redemption During Daily or Weekly Rate Period. When interest
on the Bonds is payable at a Daily or Weekly Rate, the Bonds may be redeemed in
whole or in part at the option of the Company, on any Business Day.

         Mandatory Redemption at Beginning of a New Long-Term Interest Rate
Period. When the Bonds bear interest at a Long-Term Interest Rate and a new
Long-Term Interest Rate is to be determined, the Bonds will be redeemed or
purchased by the Company in lieu of redemption on the effective date of the new
Long-Term Interest Rate. In the case of a change prior to the day originally
established as the day after the last day of a Long-Term Interest Rate Period,
the Bonds will be redeemed or purchased at the percentage of their principal
amount which would be payable upon the applicable redemption described under
"Optional Redemption at a Premium During Long-Term Interest Rate Period" above.

         Mandatory Redemption on Each Interest Payment Date During Commercial
Paper Mode. When Bonds bear interest at a Commercial Paper Rate, each Bond will
be redeemed or purchased by the Company in lieu of redemption on the Interest
Payment Date for such Bond. If Bonds are scheduled to be redeemed under the
following paragraph, the Bonds will be called under, and redemption will be
governed by, that paragraph and not this paragraph.

         Mandatory Redemption Upon a Change in the Method of Determining the
Interest Rate on the Bonds. On the effective date of the change in the method of
determining the interest rate on the Bonds (the four methods being Daily,
Weekly, Commercial Paper, or Long-Term Interest Rates) the Bonds will be
redeemed or purchased by the Company in lieu of redemption on the effective date
of such change. Any such redemption or purchase shall be at a price equal to
100% of the principal amount of the Bonds, except that in the case of a change
prior to the day originally established as the day after the last day of a
Long-Term Interest Rate Period, the Bonds will be redeemed or purchased at the
percentage of their principal amount which would be payable upon the applicable
redemption described under "Optional Redemption at a Premium During Long-Term
Interest Rate Period" above.

         Notice of Redemption. At least 30 days before each redemption (except
redemptions described under "Mandatory Redemption on Each Interest Payment Date
During Commercial Paper Mode" above for which no notice will be given and except
for redemptions described under "Mandatory Redemption Upon a Change in the
Method of Determining the Interest Rate on the Bonds" above for which 15 days'
notice may be given), the Trustee will mail a notice of redemption by
first-class mail to each Bondholder at the holder's registered address. Failure
to give any required notice of redemption as to any particular Bonds will not
affect the validity of the call for redemption of any Bonds in respect of which
no failure occurs. Any notice mailed as provided in this paragraph shall be
effective when sent and will be conclusively presumed to have been given whether
or not actually received by the addressee.

         Effect of Notice of Redemption. When notice of redemption is required
and given, and when Bonds are to be redeemed without notice, Bonds called for
redemption become due and payable on the redemption date at the applicable
redemption price, subject to the Company's right to purchase Bonds as provided
above; in such case when funds are deposited with the Trustee sufficient for
redemption or for purchase, interest on the Bonds to be redeemed or purchased
ceases to accrue as of the date of redemption or purchase.

         9. Denominations; Transfer; Exchange. The Bonds are in registered form
without coupons in denominations as follows: (1) when interest is payable at a
Daily, Weekly, or Commercial Paper Rate, $100,000 or any integral multiple
thereof; and (2) when interest is payable at a Long-Term Interest Rate, $5,000
or any integral multiple thereof. A holder may transfer or exchange Bonds in
accordance with the Indenture. The Trustee may require a holder, among other
things, to furnish appropriate endorsements and transfer documents and to pay
any taxes and fees required by law or permitted by the Indenture. Except in
connection with the purchase of Bonds tendered for purchase or purchased in lieu
of redemption, the Trustee will not be required to transfer or exchange any Bond
which has been called for redemption or during the period beginning 15 days
before the mailing of notice calling the Bonds or any portion of the Bonds for
redemption and ending on the redemption date.

         10. Persons Deemed Owners. The registered holder of this Bond may be
treated as the owner of it for all purposes.

         11. Unclaimed Money. If money for the payment of principal, premium,
interest, or purchase price remains unclaimed for five years, the Trustee will
pay the money to or for the account of the Company. After that, holders entitled
to the money must look only to the Company and not to the Trustee or the Issuer
for payment unless an abandoned property law designates another person.

         12. Discharge Before Redemption or Maturity. If the Company at any time
deposits with the Trustee money or Government Obligations as described in the
Indenture sufficient to pay at redemption or maturity principal of and interest
on the outstanding Bonds, and if the Company also pays all other sums then
payable by the Company under the Indenture, the lien of the Indenture will be
discharged. After discharge, Bondholders must look only to the deposited money
and securities for payment. Government Obligations are securities backed by the
faith and credit of the United States or securities evidencing ownership
interest in such full-faith and credit securities.

         13. Amendment, Supplement, Waiver. Subject to certain exceptions, the
Indenture, the Agreement, or the Bonds may be amended or supplemented, and any
past default or compliance with any provision may be waived, with the consent of
the holders of a majority in principal amount of the Bonds then outstanding. Any
such consent shall be Irrevocable and shall bind any subsequent owner of this
Bond or any Bond delivered in substitution for this Bond. Without the consent of
any Bondholder, the Issuer may amend or supplement the Indenture, the Agreement,
or the Bonds as described in the Indenture, among other things, to cure any
ambiguity, omission, defect, or inconsistency, to provide for uncertificated
Bonds in addition to or in place of certificated Bonds, to provide for a
Book-Entry System for the Bonds or to make any change that does not materially
adversely affect the rights of any Bondholder.

         14. Defaults and Remedies. The Indenture provides that the occurrences
of certain events constitute Events of Default. If an Event of Default relating
to payment of principal of, interest on, or purchase price of the Bonds occurs
and is continuing, the Bonds shall without further action become immediately due
and payable. Whenever any other Event of Default occurs and is continuing, the
Bonds shall without further action become due and payable immediately. An Event
of Default and its consequences may be waived as provided in the Indenture.
Bondholders may not enforce the Indenture or the Bonds except as provided in the
Indenture. Except as specifically provided in the Indenture, the Trustee may
refuse to enforce the Indenture or the Bonds unless it receives indemnity
satisfactory to it. Subject to certain limitations, holders of a majority in
principal amount of the Bonds then outstanding may direct the Trustee in its
exercise of any trust or power.

         15. No Recourse Against Others. A member, director, officer, or
employee, as such, of the Issuer shall not have any liability for any
obligations of the Issuer or the Company under the Bonds or the Indenture or for
any claim based on such obligations or their creation. Each Bondholder by
accepting a Bond waives and releases all such liability. The waiver and release
are part of the consideration for the issue of the Bond.

         16. Authentication. This Bond shall not be valid until the Trustee
signs the certificate of authentication.

         17. Abbreviations. Customary abbreviations may be used in the name of a
Bondholder or an assignee, such as TEN COM (= tenants in common), TEN ENT (=
tenants by the entireties), JT TEN (= joint tenants with right of survivorship
and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts
to Minors Act).

         A copy of the Indenture may be inspected at the corporate trust office
of the Trustee located at 110 Office Park Circle, Birmingham, Alabama 35223.

         IT IS HEREBY CERTIFIED, RECITED, AND DECLARED that all acts,
conditions, and things required to exist, happen, and be performed precedent to
and in the execution and delivery of the Indenture and the issuance of this Bond
do exist, have happened and have been performed in due time, form, and manner as
required by law.

         This Bond shall not be valid or become obligatory for any purpose or be
entitled to any security or benefit under the Indenture until the certificate of
authentication hereon shall have been duly executed by the Trustee.


<PAGE>


         IN WITNESS WHEREOF The Industrial Development Board of the Town of
Columbia has caused this Bond to be executed in its name by the Chairman or Vice
Chairman of its Board of Directors by his manual or facsimile signature and
attested by the manual or facsimile signature of its Secretary or Assistant and
its corporate seal to be hereunto affixed or printed hereon.

Date of Authentication:       ,

                        THE INDUSTRIAL DEVELOPMENT BOARD OF
                        TOWN OF COLUMBIA

[SEAL]

                        By:
                                 Chairman of the Board of Directors

Attest:

By:
         Secretary

                        SOUTHTRUST BANK, NATIONAL ASSOCIATION
                                 Trustee, certifies that this is one of the
                                 Bonds referred to in the Indenture

                        By:
                                          Authorized Signature


<PAGE>


The following abbreviations, when used in the inscription on the face of the
within Bond, shall be construed as though they were written out in full
according to applicable laws or regulations:


<PAGE>


 TEN COM-as tenants in         UNIF GIFT MIN ACT -  Custodian
         common                                       (Cust)         (Minor)
 TEN ENT-as tenants by the
         entireties                   under Uniform Gifts to Minors Act
  JT TEN-as joint tenants
         with right of
         survivorship and                         (State)
         not as tenants in
         common

Additional abbreviations may also be used though not in list above.

                                                     ASSIGNMENT

FOR VALUE RECEIVED, the undersigned sells, assigns and transfers unto

                        PLEASE INSERT SOCIAL SECURITY OR
                      OTHER IDENTIFYING NUMBER OF ASSIGNEE

                         (Name and Address of Assignee)

the within Bond and does hereby irrevocably constitute and appoint

attorney to transfer the said Bond on the books kept for registration thereof
with full power of substitution in the premises.

Dated:


<PAGE>



Signature guaranteed:


Medallion Number:
*Signature(s)   must  be   guaranteed  by  an  eligible
guarantor   institution   which  is  a   member   of  a
recognized    signature   guarantee   program,    i.e.,
Securities  Transfer Agents Medallion  Program (STAMP),
or New York Stock Exchange Medallion  Signature Program
(MSP).

NOTICE:   The   signature  to  this   assignment   must
correspond with the name of the registered  owner as it
appears  upon  the  face of the  within  Bond in  every
particular,  without  alteration or  enlargement or any
change whatever.


                                                                      Exhibit F

                        THE INDUSTRIAL DEVELOPMENT BOARD
                             OF THE TOWN OF COLUMBIA

                                       to

                                SOUTHTRUST BANK,
                              NATIONAL ASSOCIATION,

                                   as Trustee

                                 TRUST INDENTURE

                            Dated as of June 1, 1999

                                   Relating to

                                   $25,000,000

                    Pollution Control Revenue Refunding Bonds
                         (Alabama Power Company Project)

                                  Series 1999-C


<PAGE>




                                TABLE OF CONTENTS

GRANTING CLAUSE.............................................................3

                                   ARTICLE I

DEFINITIONS AND RULES OF CONSTRUCTION.......................................4
         Section 1.01.          Definitions.................................4
         Section 1.02.          Rules of Construction.......................9

                                   ARTICLE II

THE BONDS...................................................................9
         Section 2.01.          Issuance of Bonds:  Form; Dating............9
         Section 2.02.          Interest on the Bonds.......................9
         Section 2.03.          Execution and Authentication...............16
         Section 2.04.          Bond Register..............................16
         Section 2.05.          Registration and Exchange of Bonds;
                                Persons Treated as Owners..................16
         Section 2.06.          Mutilated, Lost, Stolen, Destroyed or
                                Undelivered Bonds..........................17
         Section 2.07.          Cancellation of Bonds......................18
         Section 2.08.          Temporary Bonds............................18

                                  ARTICLE III

REDEMPTION, PURCHASES IN LIEU OF REDEMPTION AND REMARKETING................18
         Section 3.01.          Notices to Trustee.........................18
         Section 3.02.          Redemption Dates...........................18
         Section 3.03.          Selection of Bonds to Be Redeemed..........18
         Section 3.04.          Redemption Notices.........................18
         Section 3.05.          Payment of Bonds Called for Redemption.....20
         Section 3.06.          Bonds Redeemed in Part.....................20
         Section 3.07.          Purchase of Bonds in Lieu of Redemption....20
         Section 3.08.          Disposition of Purchased Bonds.............21

                                   ARTICLE IV

APPLICATION OF PROCEEDS AND PAYMENT OF BONDS...............................22
         Section 4.01.          Application of Proceeds....................22
         Section 4.02.          Payment of Bonds...........................23
         Section 4.03.          Investments of Moneys......................23
         Section 4.04.          Moneys Held in Trust.......................24

                                   ARTICLE V

BOOK-ENTRY SYSTEM..........................................................24
         Section 5.01.          Book-Entry System..........................24

                                   ARTICLE VI

COVENANTS..................................................................26
         Section 6.01.          Prompt Payment of Bonds....................26
         Section 6.02.          Recording and Filing; Further Assurances...26
         Section 6.03.          Tax Covenants..............................26

                                  ARTICLE VII

DISCHARGE OF INDENTURE.....................................................27
         Section 7.01.          Bonds Deemed Paid; Discharge of Indenture..27
         Section 7.02.          Application of Trust Money.................28
         Section 7.03.          Repayment to Company.......................28

                                  ARTICLE VIII

DEFAULTS AND REMEDIES......................................................28
         Section 8.01.          Events of Default..........................28
         Section 8.02.          Acceleration...............................29
         Section 8.03.          Other Remedies.............................29
         Section 8.04.          Waiver of Past Defaults....................29
         Section 8.05.          Control by Majority........................29
         Section 8.06.          Limitation on Suits........................30
         Section 8.07.          Rights of Holders to Receive Payment.......30
         Section 8.08.          Collection Suit by Trustee.................30
         Section 8.09.          Trustee May File Proofs of Claim...........30
         Section 8.10.          Priorities.................................30
         Section 8.11.          Undertaking for Costs......................31

                                   ARTICLE IX

TRUSTEE AND REMARKETING AGENT..............................................31
         Section 9.01.          Duties of Trustee..........................31
         Section 9.02.          Rights of Trustee..........................32
         Section 9.03.          Individual Rights of Trustee...............32
         Section 9.04.          Trustee's Disclaimer.......................32
         Section 9.05.          Notice of Defaults.........................33
         Section 9.06.          Compensation and Indemnity of Trustee..... 33
         Section 9.07.          Eligibility of Trustee.................... 33
         Section 9.08.          Replacement of Trustee.................... 33
         Section 9.09.          Acceptance of Trust by Successor Trustee.. 34
         Section 9.10.          [reserved]................................ 35
         Section 9.11.          Duties of Remarketing Agent............... 35
         Section 9.12.          Eligibility of Remarketing Agent.......... 35
         Section 9.13.          Replacement of Remarketing Agent...........35
         Section 9.14.          Compensation of Remarketing Agent......... 36
         Section 9.15.          Successor Trustee or Remarketing Agent
                                by Merger..................................36

                                   ARTICLE X

AMENDMENTS OF AND SUPPLEMENTS TO INDENTURE................................ 36
         Section 10.01.         Without Consent of Bondholders............ 36
         Section 10.02.         With Consent of Bondholders............... 37
         Section 10.03.         Effect of Consents........................ 37
         Section 10.04.         Notation on or Exchange of Bonds.......... 37
         Section 10.05.         Signing by Trustee of Amendments and
                                Supplements............................... 38
         Section 10.06.         Company Consent Required.................. 38
         Section 10.07.         Notice to Bondholders..................... 38

                                   ARTICLE XI

AMENDMENTS OF AND SUPPLEMENTS TO THE AGREEMENT............................ 38
         Section 11.01.         Without Consent of Bondholders............ 38
         Section 11.02.         With Consent of Bondholders............... 38
         Section 11.03.         Consents by Trustee to Amendments or
                                Supplements............................... 38

                                  ARTICLE XII

MISCELLANEOUS............................................................. 39
         Section 12.01.         Notices................................... 39
         Section 12.02.         Bondholders' Consents..................... 40
         Section 12.03.         Appointment of Separate Paying Agent
                                and/or Tender Agent........................40
         Section 12.04.         Limitation of Rights...................... 40
         Section 12.05.         Severability.............................. 41
         Section 12.06.         Payments Due on Non-Business Days......... 41
         Section 12.07.         Governing Law............................. 41
         Section 12.08.         Captions.................................. 41
         Section 12.09.         No Recourse Against Issuer's Officers..... 41
         Section 12.10.         Limitation of Liability................... 41
         Section 12.11.         Counterparts.............................. 41


EXHIBIT A........................................................Form of Bond


<PAGE>


                                 TRUST INDENTURE

         THIS TRUST INDENTURE made and entered into as of June 1, 1999, by and
between THE INDUSTRIAL DEVELOPMENT BOARD OF THE TOWN OF COLUMBIA, a public
corporation organized and existing under the laws of the State of Alabama (the
"Issuer"), and SOUTHTRUST BANK, NATIONAL ASSOCIATION, a national banking
association duly organized, existing and authorized to accept and execute trusts
of the character herein set out under and by virtue of the laws of the United
States of America, as trustee (the "Trustee");

                              W I T N E S S E T H:

         WHEREAS, under Act No. 648 enacted at the 1949 Regular Session of the
Alabama Legislature, as heretofore amended and supplemented by Act No. 1893
enacted at the 1971 Regular Session of the Alabama Legislature and Act No.
82-510 enacted at the 1982 Regular Session of the Alabama Legislature (Act No.
648, as amended and supplemented, being herein called the "Act") the Issuer has
the following powers, among others:

                 (a) to acquire, whether by construction, purchase, exchange,
         gift, lease or otherwise, and to enlarge, improve, replace, equip and
         maintain, one or more pollution control facilities, including all real
         and personal property deemed necessary or desirable in connection
         therewith,

                 (b) to issue its revenue bonds to pay the cost of pollution
         control facilities, such bonds to be payable solely from the revenues
         and receipts derived from the leasing or sale by the Issuer of such
         pollution control facilities,

                 (c) to lease or sell to others and otherwise dispose of all of,
         or any portion of, such pollution control facilities, and

                 (d) to issue its refunding bonds for the purpose of paying the
         principal of, premium, if any, and accrued interest on, its outstanding
         revenue bonds;

         WHEREAS, in order to promote the health, safety and prosperity of the
citizens of the State of Alabama through the protection of its air, water and
natural resources, the Issuer has undertaken to acquire, construct, install,
equip and sell to Alabama Power Company (the "Company") facilities or portions
thereof, designed for the abatement or control of air and water pollution, and
the disposal of sewage and solid wastes at the Company's Joseph M. Farley
Nuclear Plant, which is located within the geographical area of operation of the
Issuer in Houston County, Alabama, which facilities comprise the Project and are
generally described in Exhibit A to the Original Agreement described below, and
in furtherance of the above-mentioned purposes, the Issuer and the Company
entered into an Installment Sale Agreement dated as of May 1, 1978 (the "Initial
Agreement"), as supplemented and amended by a First Supplemental Agreement
thereto dated as of November 1, 1984, a Second Supplemental Agreement thereto
dated as of December 1, 1984, a Third Supplemental Agreement thereto dated as of
June 1, 1985, a Fourth Supplemental Agreement thereto dated as of December 1,
1985, a Fifth Supplemental Agreement thereto dated as of December 31, 1985, a
Sixth Supplemental Agreement thereto dated as of November 1, 1986, and a Seventh
Supplemental Agreement dated as of June 1, 1993 (the Initial Agreement, as so
supplemented and amended being referred to herein as the "Original Agreement")
providing for the undertaking by the Issuer to acquire, construct, install,
equip and sell the Project to the Company;

         WHEREAS, the Original Agreement provided that, in order to finance the
Project, the Issuer would issue and sell its revenue bonds in one or more series
and that the Issuer would sell the Project (including improvements with respect
to the Project) to the Company for the purchase price stated in the Original
Agreement;

         WHEREAS, in order to finance or refinance a portion of the costs of the
Project, the Issuer has heretofore issued various series of its revenue bonds
including $101,650,000 aggregate principal amount of its Pollution Control
Revenue Refunding Bonds), Series 1994 (Alabama Power Company Project) (the
"Series 1994 Bonds");

         WHEREAS, in connection with various series of revenue bonds heretofore
issued by the Issuer to finance or refinance the Project, the Issuer and the
Company have entered into the Prior Supplementary Agreements (as hereinafter
defined);

         WHEREAS, the Issuer and the Company have entered into a Twelfth
Supplementary Installment Sale Agreement dated of as June 1, 1999 (the
"Agreement"), providing that for the purposes therein set forth, the Issuer will
issue and sell its Pollution Control Revenue Refunding Bonds (Alabama Power
Company Project), Series 1999-C;

         WHEREAS, pursuant to and in accordance with the provisions of the Act,
the Issuer now intends to issue its Pollution Control Revenue Refunding Bonds
(Alabama Power Company Project), Series 1999-C, in the aggregate principal
amount of $25,000,000 (the "Bonds") for the purpose of refunding a portion of
the Series 1994 Bonds;

         WHEREAS, the execution and delivery of this Trust Indenture (the
"Indenture"), and the issuance of the Bonds under the Act as herein provided
have been in all respects duly and validly authorized by proceedings duly passed
on and approved by the Issuer;

         WHEREAS, all other acts, conditions and things required by the
Constitution and laws of the State of Alabama to happen, exist and be performed
precedent to and in connection with the execution and delivery of this Indenture
and the Agreement have happened, exist and have been performed as so required,
in order to make this Indenture a valid and binding trust indenture for the
security of the Bonds in accordance with its terms and in order to make the
Agreement a valid and binding agreement in accordance with its terms;

         WHEREAS, the Company has agreed to make installment purchase payments
to the Issuer pursuant to the Agreement in amounts sufficient to pay the
principal, purchase price, premium, if any, and interest on the Bonds, all as
hereinafter defined;

         Accordingly, the Issuer and the Trustee agree as follows for the
benefit of each other and for the benefit of the holders of the Bonds issued
pursuant to this Indenture.

                                 GRANTING CLAUSE

         NOW, THEREFORE, THIS INDENTURE WITNESSETH, that in consideration of the
premises, of the acceptance by the Trustee of the trusts hereby created, and the
purchase and acceptance of the Bonds by the holders thereof, and also for and in
consideration of the sum of One Dollar ($1.00) to the Issuer in hand paid by the
Trustee at or before the execution and delivery of this Indenture, the receipt
of which is hereby acknowledged, and for the purpose of fixing and declaring the
terms and conditions upon which the Bonds are to be issued, authenticated,
delivered, secured and accepted by all persons who shall from time to time be or
become holders thereof, and in order to secure the payment of all Bonds at any
time issued and outstanding hereunder and the interest and the redemption
premiums, if any, thereon and the Purchase Price (hereinafter defined) therefor
according to their tenor, purport and effect, and in order to secure the
performance and observance of all the covenants, agreements and conditions
therein or herein contained, the Issuer has executed and delivered this
Indenture, and does hereby bargain, sell, convey, assign and pledge to the
Trustee, and grant to the Trustee a security interest in, all other rights,
title and interests of the Issuer in, to and under the Agreement, and all moneys
receivable thereunder, except for the Unassigned Rights, and all funds held by
the Trustee hereunder (other than moneys held for the purchase of Bonds which
have not been presented for payment) as security for the payment of the Bonds
and the fees, charges and expenses of the Trustee as aforesaid and the
satisfaction of any other obligation assumed by the Issuer in connection with
all outstanding Bonds at any time issued hereunder;

         TO HAVE AND TO HOLD the same unto the Trustee and its successors in
trust forever;

         IN TRUST NEVERTHELESS, upon the terms and trusts herein set forth, for
the equal and proportionate benefit and security of all and singular present and
future holders of the Bonds issued and to be issued under this Indenture,
without preference, priority or distinction as to lien or otherwise, except as
otherwise hereinafter provided, of any one Bond over any other Bond, by reason
of priority in the issue, sale or negotiation thereof or otherwise;

         PROVIDED, HOWEVER, that if the Issuer, its successors or assigns shall
pay or cause to be paid the principal and purchase price of, premium, if any,
and interest on the Bonds due or to become due thereon, at the times and in the
manner mentioned in the Bonds, and shall perform all the covenants and
conditions required of it by this Indenture, and shall pay or cause to be paid
to the Trustee, any additional paying agents and the Remarketing Agent
(hereinafter defined) all sums of money due or to become due to them in
accordance with the terms and provisions hereof, then upon such final payments
this Indenture and the rights hereby granted shall terminate and the Trustee
shall release this Indenture and shall execute such documents to evidence such
termination and release as may be reasonably required by the Issuer; otherwise,
this Indenture is to be and remain in full force and effect.

         THIS INDENTURE FURTHER WITNESSETH, and it is expressly declared, that
all Bonds from time to time issued and secured hereunder are to be issued,
authenticated and delivered, and all said property, rights and interests,
including, without limitation, the amounts hereby assigned and pledged, are to
be dealt with and disposed of subject to the terms of this Indenture, and the
Issuer agrees with the Trustee and with the respective holders and owners, from
time to time, of said Bonds, or part thereof, as follows:

                                    ARTICLE I

                      DEFINITIONS AND RULES OF CONSTRUCTION

         Section 1.01. Definitions. For all purposes of this Indenture, unless
the context requires otherwise, the following terms shall have the following
meanings:

         "Act" means Act No. 648 enacted at the 1949 Regular Session of the
Alabama Legislature, as amended from time to time, and presently codified as
Title 11, Chapter 54, Article 4 of the Code of Alabama 1975.

         "Agreement" means the Twelfth Supplementary Installment Sale Agreement
dated as of June 1, 1999, between the Issuer and the Company, as amended and
supplemented from time to time.

         "Beneficial Owner" means the purchaser of a beneficial interest in the
Bonds when the Bonds are held by the Securities Depository in the Book-Entry
System, and otherwise means a Bondholder.

         "BMA Index" means, as of any date, the rate calculated according to the
Bond Market Association Municipal Swap Index as of the most recent date for
which such index was published or such other weekly, high-grade index composed
of weekly, tax-exempt variable rate demand notes produced by Municipal Market
Data, Inc. or any successor thereto, or as otherwise designated by the Bond
Market Association.

         "Bondholder" or "holder" means the registered owner of any Bond.

         "Bonds" means the Pollution Control Revenue Refunding Bonds (Alabama
Power Company Project), Series 1999-C, issued by the Issuer hereunder in the
aggregate principal amount of $25,000,000.

         "Book-Entry System" means the system maintained by the Securities
Depository described in Section 5.01.

         "Business Day" means any day other than (i) a Saturday or Sunday, (ii)
a day on which commercial banks are authorized by law to close (A) in the city
in which the principal corporate trust office of the Trustee is located, (B) in
the city in which the principal office of the Remarketing Agent is located or
(C) in New York, New York, or (iii) a day on which the New York Stock Exchange
is closed.

         "Code" means the Internal Revenue Code of 1986, as amended, and any
regulations thereunder.

         "Commercial Paper Mode" means each period of time, comprised of
Commercial Paper Periods, during which Commercial Paper Rates are in effect.

         "Commercial Paper Period" means, with respect to any Bond, each period
set under Section 2.02(a)(3).

         "Commercial Paper Rate" means the interest rate on each Bond set under
Section 2.02(a)(3).

         "Company" means Alabama Power Company, an Alabama corporation, and its
successors and assigns, and any surviving, resulting or transferee entity as
provided in Section 6.3 of the Original Agreement.

         "Company Representative" means any person at the time designated as
such pursuant to the provisions of the Original Agreement by a written
certificate furnished to the Trustee and the Issuer containing the specimen
signature of such person and signed on behalf of the Company by any of its
officers. The certificate may designate an alternate or alternates.

         "Daily Rate" means an interest rate on the Bonds set under Section
2.02(a)(1).

         "Event of Default" is defined in Section 8.01.

         "Favorable Opinion of Tax Counsel" means an Opinion of Tax Counsel
addressed to the Issuer and to the Trustee to the effect that the action
proposed to be taken is permitted by the laws of the State and by this Indenture
and will not adversely affect any exclusion from gross income for federal income
tax purposes of interest on the Bonds.

         "Government Obligations" means (i) noncallable direct obligations of
the United States for which its full faith and credit are pledged, (ii)
noncallable obligations of a Person controlled or supervised by and acting as an
agency or instrumentality of the United States, the timely payment of which is
unconditionally guaranteed as a full faith and credit obligation of the United
States, or (iii) securities or receipts evidencing ownership interests in
obligations or specified portions (such as principal or interest) of obligations
described in (i) or (ii).

         "Indenture" means this Trust Indenture, as it may be amended or
supplemented from time to time in accordance with its terms.

         "Interest Payment Date" is defined in the form of the Bonds appearing
in Exhibit A hereto.

         "Interest Period" is defined in the form of the Bonds appearing in
Exhibit A hereto.

         "Long-Term Interest Rate" means an interest rate on the Bonds set under
Section 2.02(a)(4).

         "Long-Term Interest Rate Period" is defined in Section 2.02(a)(4).

         "Maturity Date" means the stated maturity for the Bonds as set forth in
Section 2.01.

         "1954 Code" means the Internal Revenue Code of 1954, as amended, and
any regulations thereunder.

         "Opinion of Counsel" means a written opinion of counsel who is
acceptable to the Issuer and the Trustee. The counsel may be an employee of or
counsel to the Issuer, the Trustee or the Company.

         "Opinion of Tax Counsel" means an Opinion of Counsel by counsel of
nationally recognized standing in matters relating to the exclusion of interest
from gross income on obligations issued by states and their political
subdivisions or agencies.

         The term "outstanding" when used with reference to Bonds, or "Bonds
outstanding" means all Bonds which have been authenticated and delivered by the
Trustee under this Indenture, except the following:

                  (a) Bonds canceled or purchased by or delivered to the Trustee
         for cancellation.

                 (b) Bonds that have become due (at maturity or on redemption,
         acceleration or otherwise) and for the payment, including interest
         accrued to the due date, of which sufficient moneys are held by the
         Trustee.

                 (c) Bonds deemed paid by Section 7.01.

                 (d) Bonds in lieu of which others have been authenticated under
         Section 2.05 (relating to registration and exchange of Bonds) or
         Section 2.06 (relating to mutilated, lost, stolen, destroyed or
         undelivered Bonds).

Bonds purchased by the Trustee or the Company pursuant to tenders or in lieu of
redemption under Article III will continue to be outstanding until the Company
directs the Trustee to cancel them. Bonds purchased pursuant to tenders or in
lieu of redemption and not delivered to the Trustee for payment are not
outstanding, but there will be outstanding Bonds authenticated and delivered in
lieu of such undelivered Bonds as provided in the second paragraph of Section
2.06.

         "Participant" means one of the entities which deposit securities,
directly or indirectly, in the Book-Entry System.

         "Person" means any individual, corporation, partnership, joint venture,
association, joint stock company, trust, estate, unincorporated organization or
government or any agency or political subdivision thereof.

         "Plant" means the Company's Joseph M. Farley Nuclear Plant located near
the Town of Columbia in Houston County, Alabama.

         The term "principal," when used with reference to any Bonds, includes
any premium payable on those Bonds.

         The term "principal corporate trust office", when used with respect to
the Trustee, means the corporate trust office of the Trustee located at 110
Office Park Drive, Birmingham, Alabama 35223, or such address designated by the
Trustee in accordance with the terms of this Indenture.

         "Prior Indenture" means the Trust Indenture dated as of September 1,
1994, as supplemented and amended, under which the Series 1994 Bonds were
issued.

         "Prior Supplementary Agreements" means the Supplementary Installment
Sale Agreement between the Issuer and the Company dated as of September 1, 1994,
the Second Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Third Supplementary Installment Sale Agreement dated as of May 1, 1995, the
Fourth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Fifth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Sixth Supplementary Installment Sale Agreement dated as of October 1, 1995, the
Seventh Supplementary Installment Sale Agreement dated as of November 1, 1996,
the Eighth Supplementary Installment Sale Agreement dated as of November 1,
1997, and the Ninth Supplementary Installment Sale Agreement dated as of June 1,
1998.

         "Project" means the air and water pollution control and sewage and
solid waste disposal facilities, a portion of the costs of which were financed
from the proceeds of the Issuer's $1,650,000 Pollution Control Revenue Bonds,
Series A (Alabama Power Company Farley Plant Project) and the Issuer's
$100,000,000 Pollution Control Revenue Bonds, Series B (Alabama Power Company
Farley Plant Project), said bonds having been refunded by the Series 1994 Bonds.
The Project and its original source of financing are described in Exhibit A to
the Original Agreement.

         "Purchase Price" means an amount equal to 100% of the principal amount
of any Bond tendered or deemed tendered pursuant to the provisions of paragraph
6 in the form of the Bonds appearing as Exhibit A hereto, plus accrued and
unpaid interest thereon to the date of purchase.

         "Record Date" is defined in the form of the Bonds appearing as Exhibit
A hereto.

         "Remarketing Agent" means Regions Investment Company, Inc., and its
successors under this Indenture. The term "principal office", when used with
respect to the Remarketing Agent, means the principal office of the Remarketing
Agent designated in the remarketing agreement dated as of June 1, 1999, between
the Remarketing Agent and the Company.

         "Responsible Officer" means any officer or trust officer of the Trustee
assigned by the Trustee to administer its corporate trust matters.

         "Securities Depository" means The Depository Trust Company, New York,
New York, or its nominee, and its successors and assigns, or any successor
appointed under Section 5.01.

         "Series 1994 Bonds" means the Issuer's Pollution Control Revenue Bonds,
Series 1994 (Alabama Power Company Project) issued and outstanding in the
aggregate principal amount of $101,650,000.

         "Series 1994 Trustee" means SouthTrust Bank, National Association,
Birmingham, Alabama, in its capacity as Trustee for the Series 1994 Bonds.

         "Series 1999-A Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-A, issued in the
aggregate principal amount of $51,650,000.

         "Series 1999-B Bonds" means the Issuer's Pollution Control Revenue
Refunding Bonds (Alabama Power Company Project), Series 1999-B, issued in the
aggregate principal amount of $25,000,000.

         "State" means the State of Alabama.

         "Tax Agreement" means the Tax and Non-Arbitrage Certificate of the
Company dated the date of issuance of the Bonds.

         "Trustee" means the entity identified as such in the heading of this
Indenture and its successors under this Indenture.

         "Unassigned Rights" means the rights of the Issuer under the second and
third paragraphs of Section 3.1 (relating to fees and expenses and amounts
payable to redeem the Series 1994 Bonds), Section 4.3 (relating to
indemnification) and Section 5.3 (relating to expenses of collection) of the
Agreement.

         "Weekly Rate" means an interest rate on the Bonds set under Section
2.02(a)(2).

         Section 1.02. Rules of Construction. Unless the context otherwise
requires,

                 (a) an accounting term not otherwise defined has the meaning
         assigned to it in accordance with generally accepted accounting
         principles,

                  (b) references to Articles and Sections are to the Articles
         and Sections of this Indenture, and

                 (c) the singular form of any word, including the terms defined
         in Section 1.01, includes the plural, and vice versa, and any reference
         to the male gender includes the female gender.

                                   ARTICLE II

                                    THE BONDS

         Section 2.01. Issuance of Bonds: Form; Dating. The Bonds shall be
designated "The Industrial Development Board of the Town of Columbia Pollution
Control Revenue Refunding Bonds (Alabama Power Company Project) Series 1999-C".
The total principal amount of Bonds that may be outstanding shall not exceed
$25,000,000. The Bonds shall be substantially in the form of Exhibit A, which is
part of this Indenture, in the denominations provided for in the Bonds. The
Bonds may have notations, legends or endorsements required by law or usage. The
Bonds will be numbered as determined by the Trustee.

         All Bonds will be dated the date of original issuance and delivery and
shall mature, subject to prior redemption, on June 1, 2022.

         Upon the execution and delivery of this Indenture, the Issuer will
execute and deliver the Bonds to the Trustee, and the Trustee will authenticate
the Bonds and deliver them to the purchaser or purchasers as directed by the
Issuer.

         Section 2.02. Interest on the Bonds. Interest on the Bonds will be
payable as provided in the Bonds and in this Section. Interest on the Bonds will
initially be payable at the Daily Rate. Bonds issued in exchange for Bonds
surrendered for transfer or exchange or in place of mutilated, lost, stolen,
destroyed or undelivered Bonds will bear interest from the last date to which
interest has been paid on the Bond or Bonds being transferred, exchanged or
replaced or, if no interest has been paid, as of the date of their original
issuance and delivery. The methods of determining the various interest rates are
as provided in the following paragraph (a). The interest rate determination
method may be changed by the Company as described in paragraph (b) below.

         (a) Interest Rate Determination Methods. While there exists an Event of
Default under the Indenture, the interest rate on the Bonds will be the rate on
the Bonds on the day before the Event of Default occurred, except that if
interest on any Bond was then payable at a Commercial Paper Rate, the interest
rate for all Bonds then bearing interest at a Commercial Paper Rate will be the
highest Commercial Paper Rate then in effect for any Bond.

                 (1) Daily Rate. When interest on the Bonds is payable at a
         Daily Rate, the Remarketing Agent will set a Daily Rate on or before
         11:00 a.m., New York time, on each Business Day for that Business Day.
         Each Daily Rate will be the minimum rate necessary (as determined by
         the Remarketing Agent based on the examination of tax-exempt
         obligations comparable to the Bonds known by the Remarketing Agent to
         have been priced or traded under then-prevailing market conditions) for
         the Remarketing Agent to sell the Bonds on the day the rate is set at
         their principal amount (without regard to accrued interest). The Daily
         Rate for any non-Business Day will be the rate for the last day for
         which a rate was set.

                 (2) Weekly Rate. When interest on the Bonds is payable at a
         Weekly Rate, the Remarketing Agent will set a Weekly Rate on or before
         5:00 p.m., New York time, on the last Business Day before the
         commencement of a period during which the Bonds bear interest at a
         Weekly Rate and on each Tuesday thereafter so long as interest on the
         Bonds is to be payable at a Weekly Rate or, if any Tuesday is not a
         Business Day, on the next preceding Business Day. Each Weekly Rate will
         be the minimum rate necessary (as determined by the Remarketing Agent
         based on the examination of tax-exempt obligations comparable to the
         Bonds known by the Remarketing Agent to have been priced or traded
         under then prevailing market conditions) for the Remarketing Agent to
         sell the Bonds on the date the rate is set at their principal amount
         (without regard to accrued interest). Each Weekly Rate shall apply to
         (i) the period beginning on the effective date of the change to a
         Weekly Rate and ending on the next Tuesday or (ii) the period beginning
         on the Wednesday after the Weekly Rate is set and ending on the
         following Tuesday or, if earlier, ending on the day before the
         effective date of a new method of determining the interest rate on the
         Bonds, as applicable.

                 (3) Commercial Paper Rate. During a Commercial Paper Mode, each
         Bond will bear interest during the Commercial Paper Period for such
         Bond at the Commercial Paper Rate for such Bond. Different Commercial
         Paper Periods may apply to different Bonds at any time and from time to
         time. Except as otherwise described in this subparagraph (3), the
         Commercial Paper Period and Commercial Paper Rate for each Bond will be
         determined by the Remarketing Agent no later than 12:15 p.m., New York
         time, on the first day of each Commercial Paper Period.

                     (i) Determination of Commercial Paper Periods. Each
                 Commercial Paper Period will be a period of at least one day
                 and not more than 365 days, determined by the Remarketing Agent
                 to be the period which, together with all other Commercial
                 Paper Periods for all Bonds then outstanding, will, in the
                 judgment of the Remarketing Agent, result in the lowest overall
                 interest expense on the Bonds over the next 365 days. Each
                 Commercial Paper Period will end on either the day before a
                 Business Day or on the day before the Maturity Date for such
                 Bond. However, any Bond purchased on behalf of the Company and
                 remaining unsold by the Remarketing Agent as of the close of
                 business on the first day of the Commercial Paper Period for
                 that Bond will have a Commercial Paper Period of one day or, if
                 that Commercial Paper Period would not end on a day before a
                 Business Day, a Commercial Paper Period of the shortest
                 possible duration greater than one day ending on a day before a
                 Business Day.

                     In determining the number of days in each Commercial Paper
                 Period, the Remarketing Agent shall take into account the
                 following factors: (I) existing short-term tax-exempt market
                 rates and indices of such short-term rates, (II) the existing
                 market supply and demand for short-term tax-exempt securities,
                 (III) existing yield curves for short-term and long-term
                 tax-exempt securities for obligations of credit quality
                 comparable to the Bonds, (IV) general economic conditions, (V)
                 industry economic and financial conditions that may affect or
                 be relevant to the Bonds, (VI) the number of days in other
                 Commercial Paper Periods applicable to the Bonds and (VII) such
                 other facts, circumstances and conditions as the Remarketing
                 Agent, in its sole discretion, shall determine to be relevant.

                     (ii) Determination of Commercial Paper Rates. The
                 Commercial Paper Rate for each Commercial Paper Period for each
                 Bond shall be the minimum rate necessary (as determined by the
                 Remarketing Agent based on the examination of tax-exempt
                 obligations comparable to the Bonds known by the Remarketing
                 Agent to have been priced or traded under the then-prevailing
                 market conditions) for the Remarketing Agent to sell such Bond
                 on the date and at the time of such determination at its
                 principal amount (without regard to accrued interest).

                 (4) Long-Term Interest Rate. When interest on the Bonds is
         payable at a Long-Term Interest Rate, the Remarketing Agent will set a
         Long-Term Interest Rate on a date no more than 15 days before the
         beginning of any period (a "Long-Term Interest Rate Period") in which
         interest on any of the Bonds is to be payable at a Long-Term Interest
         Rate. Each Long-Term Interest Rate will be the minimum rate necessary
         (as determined by the Remarketing Agent based on the examination of
         tax-exempt obligations comparable to the Bonds known by the Remarketing
         Agent to have been priced or traded under then-prevailing market
         conditions) for the Remarketing Agent to sell the Bonds on the
         effective date of the Long-Term Interest Rate at their principal amount
         (without regard to accrued interest).

                 (5) Failure of Remarketing Agent to Announce Interest Rates on
         the Bonds. If the appropriate interest rate or Commercial Paper Period
         is not or cannot be determined for whatever reason, the method of
         determining interest on the Bonds shall be automatically converted to
         the Daily Rate (without the necessity of complying with the
         requirements of Section 2.02(b)) and the interest rate shall be equal
         to the BMA Index, or such other index (or percentage of an index)
         deemed appropriate for tax-exempt securities of the nature of the Bonds
         as the Remarketing Agent, with the consent of the Trustee, may have
         previously selected, until such time as the method of determining
         interest on the Bonds can be changed in accordance with Section
         2.02(b); provided, that if the Bonds are then in a Long-Term Interest
         Rate Period, the Bonds shall bear interest at a Weekly Rate, but only
         if a Favorable Opinion of Tax Counsel with respect to the change to a
         Weekly Rate has been delivered to the Trustee. If such Favorable
         Opinion of Tax Counsel has not been delivered, the Bonds shall remain
         in a Long-Term Interest Rate Period with an interest rate equal to the
         interest rate for the prior Long-Term Interest Rate Period and with a
         duration equal to the prior Long-Term Interest Rate Period (or, if
         earlier, a Long-Term Interest Rate Period ending on the day before the
         Maturity Date for such Bond). The Trustee shall promptly notify the
         Bondholders of any such automatic change as set forth in Section
         2.02(c).

                 While Bonds are in a Commercial Paper Mode, during any
         transition period caused by an automatic conversion of such Bonds to a
         Weekly Rate in accordance with this Subsection (5), Bonds bearing
         interest at a Weekly Rate and Bonds bearing interest at a Commercial
         Paper Rate, as applicable, shall be governed by the provisions of this
         Indenture applicable to such methods of determining interest on the
         Bonds.

         (b) (1) Change in Interest Rate Determination Method. The Company may
change the method of determining the interest rate on the Bonds by notifying the
Issuer, the Trustee, the Remarketing Agent and, if a Book-Entry System is then
in effect for the Bonds, the Securities Depository. Such notice shall contain
(a) the effective date, (b) the proposed interest rate determination method, and
(c) if the change is to a Long-Term Interest Rate or Rates, the last day of the
first such Long-Term Interest Rate Period and, at the option of the Company, the
effective date and last day of any successive Long-Term Interest Rate Periods
(which last day for each Long-Term Interest Rate Period must be either the day
before the Maturity Date for the Bonds or a day which is before a Business Day
and is at least 365 days after the effective date). The Long-Term Interest Rate
Period shall be the same duration for all of the Bonds. The notice must be
accompanied by a Favorable Opinion of Tax Counsel, except as described below.
Except in the case of the rescission of the Favorable Opinion of Tax Counsel
described in Section 2.02(e), if the Company's notice complies with this
paragraph, the interest rate on the Bonds will be payable at the new rate on the
effective date specified in the notice until there is another change as provided
in this Section. Notwithstanding anything in this Indenture to the contrary, the
Company must deliver a Favorable Opinion of Tax Counsel whenever there is a
change from a period during which the interest rate on the Bonds is set at
intervals of 365 days or less to a period during which the interest rate on the
Bonds is set at intervals in excess of 365 days, or vice versa.

         If the Company wishes to designate successive Long-Term Interest Rate
Periods without specifying the effective dates and last days as described in the
preceding paragraph for the second or any subsequent Long-Term Interest Rate
Periods, it may do so by following the same procedure as for a change in the
interest rate determination method as provided in the foregoing paragraph.

         If 30 days before the end of a Long-Term Interest Rate Period the
Company has not provided for the next interest rate period, a new Long-Term
Interest Rate Period of the same duration will follow (or if shorter, a
Long-Term Interest Rate Period ending on the day before the Maturity Date for
the Bonds).

         When one Long-Term Interest Rate Period follows another, all provisions
of this Indenture applying to a change in the interest rate determination method
will apply, except:

                 (A) the redemption described under "Mandatory Redemption Upon a
         Change in the Method of Determining the Interest Rate on the Bonds" in
         the Bonds;

                 (B) the Company will not be required to deliver a Favorable
         Opinion of Tax Counsel if a new Long-Term Interest Rate Period begins
         as a result of the Company failing to provide for the next interest
         rate period; and

                 (C) the Company will not be required to deliver a Favorable
         Opinion of Tax Counsel if the Company has previously designated a
         series of successive Long-Term Interest Rate Periods which, together
         with the current Long-Term Interest Rate Period, are substantially
         equal in length, and if a Favorable Opinion of Tax Counsel was
         delivered before the first such Long-Term Interest Rate Period in that
         series which applies to each successive Long-Term Interest Rate Period.

         (2) Limitations. Any change in the method of determining interest on
the Bonds pursuant to paragraph (1) above must comply with the following:

                 (i) the effective date of a change (or each effective date in
         the case of a change from a Commercial Paper Mode) shall be a Business
         Day which is at least 15 days (30 days if a Long-Term Interest Rate is
         then in effect and the effective date is before the day after the last
         day of a Long-Term Interest Rate Period) after the twelfth Business Day
         after receipt by the Trustee of the Company's notice of the change;

                 (ii) if a Long-Term Interest Rate is then in effect, the
         effective date of any change must be either the day after the last day
         of the Long-Term Interest Rate Period or, except as described in clause
         (iii) below, a day on which the Bonds would otherwise be subject to
         redemption under the paragraph "Optional Redemption at a Premium During
         Long-Term Interest Rate Period" in Section 8 of the Bonds if the change
         did not occur; provided that if the effective date of the change is
         before the day after the last day of the Long-Term Interest Rate
         Period, the Company must also deliver an Opinion of Tax Counsel stating
         that, as of the first day on which the Bonds were subject to optional
         redemption during such Long-Term Interest Rate Period, the Company's
         ability to terminate such Long-Term Interest Rate Period prior to the
         day after the last day of such Long-Term Interest Rate Period did not
         and does not adversely affect the exclusion of interest on the Bonds
         from federal gross income;

                 (iii) if the Company has previously designated successive
         Long-Term Interest Rate Periods, the effective date of each Long-Term
         Interest Rate Period must be the day after the last day of the previous
         Long-Term Interest Rate Period;

                 (iv) if a Commercial Paper Mode is then in effect, the
         effective date of any change must be either the day after the last day
         of the Commercial Paper Mode or, as to any Bond, the day after the last
         day of the Commercial Paper Period then in effect (or to be in effect)
         with respect to that Bond;

                 (v) if any Bonds have been called for redemption and the
         redemption has not yet occurred, the effective date of the change
         cannot be before such redemption date;

                 (vi) if a Long-Term Interest Rate or a Daily Rate is then in
         effect, the effective date of any change cannot occur during the period
         after a Record Date and to, but not including, the related Interest
         Payment Date; and

                 (vii) if a Commercial Paper Mode is then in effect, the
         Remarketing Agent shall determine Commercial Paper Periods of such
         duration that will, in the judgment of the Remarketing Agent, best
         promote an orderly transition on the effective date. After the receipt
         by the Trustee of the Company's notice of such change, the day after
         the last day of each Commercial Paper Period shall be, with respect to
         such Bond, the effective date of the change. The Remarketing Agent
         shall promptly give written notice of each such last date and each such
         effective date with respect to each Bond to the Issuer, the Company,
         and the Trustee.

                 During any such transition period, Bonds bearing interest at a
         Commercial Paper Rate shall be governed by the provisions of this
         Indenture applicable to a Commercial Paper Mode and Bonds bearing
         interest at a Daily Rate, Weekly Rate or Long-Term Interest Rate, as
         applicable, shall be governed by the provisions of this Indenture
         applicable to such methods of determining interest on the Bonds.

         (c) Notice to Bondholders of Change in Interest Rate Determination
Method. When a change in the interest rate determination method is to be made,
or upon commencement of a new Long-Term Interest Rate Period, the Trustee will,
upon notice from the Company pursuant to Section 2.02(b), notify the Bondholders
by first class mail at least 15 days before the effective date (or each
effective date in the case of an adjustment from a Commercial Paper Mode) of the
change, except that such notice shall be given at least 30 days prior to the
effective date if a Long-Term Interest Rate is in effect and the effective date
is on or before the end of the Long-Term Interest Rate Period. The notice shall
be effective when sent and shall state:

                 (1) that the interest rate determination method will be changed
and what the new method will be;

                 (2) the effective date of the new rate; and

                 (3) that a mandatory redemption or mandatory purchase in lieu
         of redemption will result on the effective date of the change as
         provided in the Bonds and all the information required by this
         Indenture to be included in a notice of redemption set forth in Section
         3.04.

         The information required in any notice pursuant to this subsection (c)
and the information referred to in any redemption notice (including an
Additional Notice) pursuant to Section 3.04 may be combined in a single notice
if it is sent to Bondholders in the manner and at the time specified under
"Notice of Redemption" in Section 8 of the form of the Bonds.

         (d) Calculation of Interest. The Remarketing Agent shall provide the
Trustee and the Company with notice in writing or by telephone (any such notice
by telephone to be delivered to a Responsible Officer of the Trustee) promptly
confirmed by facsimile transmission by 12:30 p.m., New York time,

                 (1) on the first Business Day after a month in which interest
         on the Bonds was payable at a Daily Rate, of the Daily Rate for each
         day in such month;

                 (2) on each day on which a Weekly Rate becomes effective, of
the Weekly Rate;

                 (3) on the first day of each Commercial Paper Period, of the
         length thereof and the Commercial Paper Rate, and, if there is more
         than one Commercial Paper Rate then in effect, of the related
         applicable principal amounts;

                 (4) on the first Business Day of a Long-Term Interest Rate
         Period, of the Long-Term Interest Rate or Long-Term Interest Rates set
         for that period and the related applicable principal amounts; and

                 (5) on any Business Day preceding any redemption or purchase
         date, any interest rate requested by the Trustee in order to enable it
         to calculate the accrued interest, if any, due on such redemption or
         purchase date.

         Using the rates supplied by the notice required by this subsection (d),
the Trustee will calculate the interest payable on the Bonds. The Remarketing
Agent will inform the Trustee and the Company orally at the oral request of
either of them of any interest rate set by the Remarketing Agent. The Trustee
will confirm the effective interest rate by telephone or in writing to any
Bondholder who requests it in any manner.

         The setting of the rates and the calculation of interest payable on the
Bonds, as provided in this Indenture, will be conclusive and binding on all
parties.

         (e) Change in Rate Determination Method-Opinions of Counsel.
Notwithstanding any provision of this Section 2.02, no change shall be made in
the interest rate determination method at the direction of the Company pursuant
to Section 2.02(b)(1) hereof if the Trustee shall receive written notice prior
to such change that the Favorable Opinion of Tax Counsel required under Section
2.02(b)(1) or Section 2.02(a)(5) or, if applicable, the Opinion of Tax Counsel
required by Section 2.02(b)(2)(ii), has been rescinded. If the Trustee shall
have sent any notice to the Bondholders regarding a change in rate under Section
2.02(c), then in the event of such rescission of, or failure to deliver, such
opinion, the Trustee shall promptly notify all Bondholders of such rescission.

         Section 2.03. Execution and Authentication. The Bonds shall be signed
on behalf of the Issuer with the manual or facsimile signature of the Chairman
or Vice Chairman of its board of directors, and attested by the manual or
facsimile signature of its Secretary or Assistant Secretary, and the seal of the
Issuer shall be impressed or imprinted on the Bonds by facsimile or otherwise.
All authorized facsimile signatures shall have the same effect as if manually
signed. If an officer of the Issuer whose signature is on a Bond no longer holds
that office at the time the Trustee authenticates the Bond, the Bond shall
nevertheless be valid. Also, if a person signing a Bond is the proper officer on
the actual date of execution, the Bond shall be valid even if that person is not
the proper officer on the nominal date of action.

         A Bond shall not be valid for any purpose under this Indenture until
the Trustee manually signs the certificate of authentication on the Bond. Such
signature shall be conclusive evidence that the Bond has been authenticated
under this Indenture.

         As a precondition to the initial authentication and delivery of the
Bonds, the Trustee shall receive a request and authorization to the Trustee from
the Issuer, signed by the Chairman or Vice Chairman of the board of directors of
the Issuer, to authenticate and deliver the Bonds to the persons and in the
manner therein described.

         Section 2.04. Bond Register. Bonds must be presented at the principal
corporate trust office of the Trustee for registration, transfer, exchange and
payment. Bonds tendered by their holders must be delivered as specified in the
Bonds. The Trustee shall keep a register of Bonds and of their transfer and
exchange, which register shall be open to inspection by the Issuer and the
Company during normal business hours.

         Section 2.05. Registration and Exchange of Bonds; Persons Treated as
Owners. Bonds may be transferred only on the register maintained by the Trustee.
Upon surrender for transfer of any Bond to the Trustee, duly endorsed for
transfer or accompanied by an assignment duly executed by the holder or the
holder's attorney duly authorized in writing, the Trustee will authenticate a
new Bond or Bonds of the same maturity, in an equal total principal amount and
registered in the name of the transferee.

         Bonds may be exchanged for an equal total principal amount of Bonds of
the same maturity but of different authorized denominations. The Trustee will
authenticate and deliver Bonds that the Bondholder making the exchange is
entitled to receive, bearing numbers not then outstanding.

         Except in connection with the purchase of Bonds tendered for purchase
or purchased in lieu of redemption, the Trustee will not be required to transfer
or exchange any Bond called for redemption or during the period beginning 15
days before the mailing of notice calling the Bonds or any portion of the Bonds
for redemption and ending on the redemption date.

         The holder of a Bond shall be the absolute owner of the Bond for all
purposes, and payment of principal, interest or purchase price shall be made
only to or upon the written order of the holder or the holder's legal
representative.

         The Trustee will require the payment by a Bondholder requesting
exchange or transfer of any tax or other governmental charge required to be paid
in respect of the exchange or transfer but will not impose any other charge.

         Section 2.06. Mutilated, Lost, Stolen, Destroyed or Undelivered Bonds.
If any Bond is mutilated, lost, stolen or destroyed, the Trustee will
authenticate a new Bond of the same maturity and denomination if any mutilated
Bond shall first be surrendered to the Trustee, and if, in the case of any lost,
stolen or destroyed Bond, there shall first be furnished to the Issuer, the
Trustee and the Company evidence of such loss, theft or destruction, together
with an indemnity, satisfactory to them of such loss, theft or destruction. If
the Bond has matured, instead of issuing a replacement Bond, the Trustee may,
with the consent of the Company, pay the Bond without requiring surrender of the
Bond and make such requirements as the Trustee deems fit for its protection,
including a lost instrument bond. The Issuer, the Company and the Trustee may
charge their reasonable fees and expenses for actions taken pursuant to this
Section 2.06.

         If a Bond is called for redemption and the Company elects to purchase
the Bond in lieu of redemption as provided in Article III, or if the holder of a
Bond gives irrevocable instructions to the Remarketing Agent for purchase, and
in each case funds are deposited with the Trustee sufficient for the purchase,
the Trustee upon request of the Company or the Remarketing Agent will
authenticate a new Bond in the same maturity and in the same denomination
registered as the Company or the Remarketing Agent may direct and deliver it to
the Company or upon the Company's order, whether or not the Bond purchased or
called for redemption is ever delivered, and the Bond purchased or called for
redemption shall be cancelled on the books of the Trustee, whether or not said
Bond has been delivered to the Trustee. From and after the purchase date,
interest on such Bond shall cease to be payable to the prior holder thereof;
such holder shall cease to be entitled to the benefits or security of this
Indenture and shall have recourse solely to the funds held by the Trustee for
the purchase of such Bond; and the Trustee shall not register any further
transfer of such Bond by such prior holder. All funds held by the Trustee for
the purchase of undelivered Bonds shall be held uninvested.

         Section 2.07. Cancellation of Bonds. Whenever a Bond is delivered to
the Trustee for cancellation (upon payment, redemption or otherwise), or for
transfer, exchange or replacement pursuant to Section 2.05 or Section 2.06, the
Trustee will promptly cancel and dispose of the Bond in accordance with the
Trustee's policy of disposal; provided, however, that the Trustee shall not be
required to destroy cancelled Bonds.

         Section 2.08. Temporary Bonds. Until definitive Bonds are ready for
delivery, the Issuer may execute and the Trustee will authenticate temporary
Bonds substantially in the form of the definitive Bonds, with appropriate
variations. The Issuer will, without unreasonable delay, prepare and the Trustee
will authenticate definitive Bonds in exchange for the temporary Bonds. Such
exchange shall be made by the Trustee without charge.

                                   ARTICLE III

           REDEMPTION, PURCHASES IN LIEU OF REDEMPTION AND REMARKETING

         Section 3.01. Notices to Trustee. If the Company wishes that any Bonds
be redeemed pursuant to any optional redemption provision in the Bonds, the
Company will notify the Trustee of the applicable provision, the redemption
date, the principal amount of the Bonds to be redeemed, and other necessary
particulars. The Company will give the notice at least 45 days before the
redemption date, or such shorter period of time agreed to by the Trustee.

         Section 3.02. Redemption Dates. The redemption date of Bonds to be
redeemed pursuant to any optional redemption provision in the Bonds will be a
date permitted by the Bonds and specified by the Company in the notice delivered
pursuant to the preceding Section. The redemption date for mandatory redemptions
will be as specified in the Bonds to be redeemed or determined by the Trustee
consistently with the provisions of the Bonds.

         Section 3.03. Selection of Bonds to Be Redeemed. Except as provided in
the Bonds, if fewer than all the Bonds are to be redeemed, the Trustee will
select the Bonds to be redeemed by lot or other method it deems fair and
appropriate, except that the Trustee will first select any Bonds owned by the
Company or any of its nominees or held by the Trustee for the account of the
Company or any of its nominees. The Trustee will make the selection from Bonds
not previously called for redemption. For this purpose, the Trustee will
consider each Bond in a denomination larger than the minimum denomination
permitted by the Bonds at the time to be separate Bonds each in the minimum
denomination. Provisions of this Indenture that apply to Bonds called for
redemption also apply to portions of Bonds called for redemption.

         Section 3.04.     Redemption Notices.

         (a) Official Notice of Redemption. The Trustee will give notice of each
redemption as provided in the Bonds and will at the same time give a copy of the
notice to the Remarketing Agent, provided that no redemption notice shall be
given with respect to a redemption under "Mandatory Redemption on Each Interest
Payment Date During Commercial Paper Mode" in Section 8 of the form of the
Bonds. The notice shall identify the Bonds to be redeemed and will state (1) the
redemption date (and, if the Bonds provide that accrued interest will not be
paid on the redemption date, the date it will be paid), (2) the redemption
price, (3) that the Bonds called for redemption must be surrendered to collect
the redemption price, (4) the address at which the Bonds must be surrendered and
(5) that interest on the Bonds called for redemption ceases to accrue on the
redemption date.

         With respect to an optional redemption of any Bonds under "Optional
Redemption at a Premium During Long-Term Interest Rate Period," "Extraordinary
Optional Redemption" or "Optional Redemption During Daily or Weekly Rate Period"
in Section 8 of the form of the Bonds, unless moneys sufficient to pay the
principal of, redemption premium, if any, and interest on the Bonds to be
redeemed shall have been received by the Trustee prior to the giving of such
notice of redemption, such notice may state that said redemption shall be
conditional upon the receipt of such moneys by the Trustee on or prior to the
date fixed for redemption. If such moneys are not received, such notice shall be
of no force and effect, the Issuer shall not redeem such Bonds, the redemption
price shall not be due and payable, and the Trustee shall give notice, in the
same manner in which the notice of redemption was given, that such moneys were
not so received and that such Bonds will not be redeemed.

         Failure to give any required notice of redemption as to any particular
Bonds will not affect the validity of the call for redemption of any Bonds in
respect of which no such failure has occurred. Any notice mailed as provided in
the Bonds shall be effective when sent and will be conclusively presumed to have
been given whether or not actually received by any holder.

         (b) Additional Notice of Redemption. In addition to the redemption
notice required above, if there is not a Book-Entry System in effect for the
Bonds, further notice (the "Additional Notice") shall be given by the Trustee as
set out below. No defect in the Additional Notice nor any failure to give all or
any portion of the Additional Notice shall in any manner defeat the
effectiveness of a call for redemption if notice is given as prescribed in
paragraph (a) above.

                 (1) Each Additional Notice of redemption shall contain the
         information required in paragraph (a) above for an official notice of
         redemption plus (i) the CUSIP numbers of all Bonds being redeemed; (ii)
         the date of the Bonds as originally issued; (iii) the interest rate
         determination method for, or the rate of interest borne by each Bond
         being redeemed; (iv) the maturity date of each Bond being redeemed; and
         (v) any other descriptive information needed to identify accurately the
         Bonds being redeemed.

                 (2) Upon the payment of the redemption price of the Bonds being
         redeemed, each check or other transfer of funds issued for such purpose
         shall bear the CUSIP number identifying, by issue and maturity, the
         Bonds being redeemed with the proceeds of such check or other transfer.

                 (3) Each Additional Notice of redemption shall be sent at least
         30 days before the redemption date by registered or certified mail or
         overnight delivery service (or by such other means as the Trustee may
         have established with the securities depository or information service)
         to all registered securities depositories then in the business of
         holding substantial amounts of obligations similar to the Bonds (such
         depositories now being Depository Trust Company of New York, New York,
         and Midwest Securities Trust Company of Chicago, Illinois) and to one
         or more national information services that disseminate notices of
         redemption of obligations such as the Bonds.

The information required in any redemption notice (including an Additional
Notice) pursuant to this Section and the information required in any notice
pursuant to Section 2.02(c) may be combined in a single notice if it is sent to
Bondholders in the manner and at the time specified under "Notice of Redemption"
in Section 8 of the form of the Bonds.

         Section 3.05. Payment of Bonds Called for Redemption. Upon surrender to
the Trustee, Bonds called for redemption shall be paid or purchased in lieu of
redemption as provided in this Article at the redemption price stated in the
notice, plus interest accrued to the redemption date, or at a purchase price
equal to principal plus accrued interest to the purchase date, except that
interest payable on Bonds bearing interest at a Daily Rate will be paid on the
fifth Business Day following the redemption date. Bonds called for redemption
and purchased pursuant to a tender before the redemption date will not be
redeemed but will be dealt with as provided below in this Article.

         Section 3.06. Bonds Redeemed in Part. Upon surrender of a Bond redeemed
or purchased in lieu of redemption in part, the Trustee will authenticate for
the holder a new Bond or Bonds in authorized denominations equal in principal
amount to the unredeemed or unpurchased portion of the Bond surrendered.

         Section 3.07. Purchase of Bonds in Lieu of Redemption. When Bonds are
called for redemption pursuant to the paragraphs captioned, "Mandatory
Redemption at Beginning of a New Long-Term Interest Rate Period" or "Mandatory
Redemption Upon a Change in the Method of Determining the Interest Rate on the
Bonds" in Section 8 of the form of the Bonds, the Company may purchase some of
or all of the Bonds called for redemption for a price equal to the otherwise
applicable redemption price, if it (or the Remarketing Agent) gives written
notice to the Trustee by 5:00 p.m., New York time, on the day before the
redemption date that it wishes to purchase the Bonds, the principal amount of
which is specified in the notice, and furnishes the Trustee sufficient money in
sufficient time for the Trustee to make the purchase on the redemption date. The
Trustee will purchase Bonds called for redemption pursuant to the paragraph
captioned "Mandatory Redemption on Each Interest Payment Date During Commercial
Paper Mode" unless otherwise instructed in writing by the Company, or unless the
Indenture otherwise requires that they be redeemed and cancelled, before the
redemption date.

The Trustee will purchase the Bonds pursuant to this Section only as provided in
Section 4.02.

         Section 3.08. Disposition of Purchased Bonds. (a) Bonds to be
Remarketed. Bonds purchased pursuant to tenders as provided in the Bonds or in
lieu of redemption as provided in the foregoing Section will be offered for sale
by the Remarketing Agent as provided in this Section except as follows:

                 (1) Bonds purchased pursuant to a tender after having been
         called for redemption under a provision in the Bonds that does not
         provide the Company an option to purchase in lieu of redemption will be
         cancelled.

                 (2) Bonds called for redemption under "Mandatory Redemption
         Upon a Change in the Method of Determining the Interest Rate on the
         Bonds" in Section 8 of the Bonds, which are tendered between the date
         notice of redemption is given and the redemption date, may be
         remarketed before the redemption date only if the buyer receives a copy
         of the redemption notice from the Remarketing Agent.

                 (3) Bonds will not be offered for sale under this Section
during the continuance of an Event of Default.

         (b) Remarketing Effort. Except to the extent the Company directs the
Remarketing Agent not to do so, the Remarketing Agent will offer for sale and
use reasonable efforts to sell all Bonds to be sold as provided in paragraph (a)
above and, when directed by the Company, any Bonds held by the Company. The sale
price of each Bond must be equal to the principal amount of each Bond plus
accrued interest to the purchase date. The Company may direct the Remarketing
Agent from time to time to cease and to resume sales efforts with respect to
some of or all the Bonds. The Remarketing Agent may buy as principal any Bonds
to be offered under this Section.

         (c) Notices in Respect of Tenders. When the Trustee receives a notice
from a Bondholder (or a Beneficial Owner through its direct Participant), as
specified in Section 6 of the Bonds, for the Bondholder (or a Beneficial Owner
through its direct Participant) to tender Bonds, the Trustee will promptly
notify the Remarketing Agent and the Company by facsimile transmission or
telephone, promptly confirmed in writing, of the receipt of such notice, but in
no event later than the following times:

                  (i) When the Bonds bear interest at a Daily Rate, no later
         than 11:15 a.m. (New York time) on the same Business Day; and

                 (ii) When the Bonds bear interest at a Weekly Rate, no later
         than 11:15 a.m. (New York time) on the Business Day next succeeding
         receipt of such notice.

         (d)     Delivery of Remarketed Bonds.

                 (i) The Trustee shall hold all Bonds delivered pursuant to this
         Section in trust for the benefit of the owners thereof until moneys
         representing the Purchase Price of such Bonds shall have been delivered
         to or for the account of or to the order of such Bondholders, and
         thereafter, if such Bonds are remarketed, shall deliver replacement
         Bonds, prepared by the Trustee in accordance with the directions of the
         Remarketing Agent and authenticated by the Trustee, for any Bonds
         purchased in accordance with the written directions of the Remarketing
         Agent, to the Remarketing Agent for delivery to the purchasers thereof.

                 (ii) The Remarketing Agent shall advise the Trustee and the
         Company in writing or by facsimile transmission, promptly confirmed in
         writing, of the principal amount of Bonds which have been remarketed,
         together with the denominations and registration instructions
         (including taxpayer identification numbers) in accordance with the
         following schedule (all times of which are New York time):

         CURRENT METHOD OF INTEREST
         RATE DETERMINATION OR, IN
         CONNECTION WITH A CHANGE IN
         SUCH METHOD, THE NEW METHOD        TIME BY WHICH INFORMATION TO BE
         OF INTEREST RATE DETERMINATION     FURNISHED TO TRUSTEE

         Commercial Paper Period            12:15 p.m. on the purchase date
         Daily Rate Period                  12:15 p.m. on the purchase date
         Weekly Rate Period                 12:15 p.m. on the purchase date
         Long-Term Interest Rate Period     12:15 p.m. on the purchase date

                 (iii) The terms of any sale by the Remarketing Agent shall
         provide for the authorization of the payment of the Purchase Price by
         the Remarketing Agent to the Trustee in exchange for Bonds registered
         in the name of the new Bondholder which shall be delivered by the
         Trustee to the Remarketing Agent at or before 2:00 p.m. (New York time)
         on the purchase date, if the Purchase Price has been received from the
         Remarketing Agent by the time set forth in Section 3.08(e) on the
         purchase date. Such payment by the Remarketing Agent pursuant to such
         authorization shall be made on such date.

         (e) Delivery of Proceeds of Sale. The Remarketing Agent shall deliver
directly to the Trustee an amount equal to the principal amount thereof plus
accrued interest, if any, of the Bonds which the Remarketing Agent has advised
the Trustee have been remarketed pursuant to Section 3.08(d)(ii) no later than
12:30 p.m. (New York time) on the purchase date.

                                   ARTICLE IV

                  APPLICATION OF PROCEEDS AND PAYMENT OF BONDS

         Section 4.01. Application of Proceeds. The Issuer will cause the
proceeds of the initial sale of the Bonds to be deposited with the Trustee. On a
date to be designated by the Company (but in no event later than 90 days
following the date of issuance of the Bonds) the Trustee will disburse the
proceeds of the initial sale of the Bonds, the Series 1999-A Bonds and the
Series 1999-B Bonds to the Series 1994 Trustee for deposit in the bond fund
under the Prior Indenture, to be applied to pay the outstanding principal amount
of the Series 1994 Bonds upon call for redemption.

         Pursuant to Section 3.1 of the Agreement, the Company has agreed to pay
to the Series 1994 Trustee the amount in excess of the proceeds of the Bonds,
the Series 1999-B Bonds and the Series 1999-C Bonds needed to accomplish the
refunding described in this Section. Any investment earnings remaining after the
transfer of moneys to the Series 1994 Trustee, will be applied to the payment of
interest on the Bonds on the next Interest Payment Date.

         Section 4.02. Payment of Bonds. The Trustee will make payments of
principal of, premium, if any, and interest on the Bonds from moneys available
to the Trustee under this Indenture for that purpose. The Trustee will pay the
Purchase Price of tendered Bonds first from the proceeds of the sale of Bonds
under Section 3.08 and second from other moneys available to the Trustee for
that purpose. All moneys received as proceeds of remarketing the Bonds under
Section 3.08 shall be held segregated by the Trustee in a separate and
segregated account.

         Section 4.03. Investments of Moneys. The Trustee will invest and
reinvest moneys held by the Trustee as directed by a Company Representative in
writing, to the extent permitted by law, in:

         (a)     Government Obligations;

         (b)     Bonds and notes of the Federal Land Bank;

         (c)     Obligations of the Federal Intermediate Credit Bank;

         (d)     Obligations of the Federal Bank for Cooperatives;

         (e)     Bonds and notes of Federal Home Loan Banks;

         (f) Negotiable or non-negotiable certificates of deposit, time deposits
or similar banking arrangements, issued by a bank or trust company (which may be
the commercial banking department of the Trustee or any bank or trust company
under common control with the Trustee) or savings and loan association which are
insured by the Federal Deposit Insurance Corporation or secured as to principal
by Government Obligations;

         (g) Investments made in or through the Trustee's cash sweep accounts or
other short term investment funds, the assets of which consist of investments
described in clause (a) above; or

         (h) Other investments then permitted by law.

The Trustee may make investments permitted by this Article through its own bond
department or the bond department of any bank or trust company under common
control with the Trustee. Investments will be made so as to mature or be subject
to redemption at the option of the holder on or before the date or dates that
the Trustee anticipates that moneys from the investments will be required. The
Trustee, when authorized by the Company, may trade with itself in the purchase
and sale of securities for such investment. Investments will be registered in
the name of the Trustee and held by or under the control of the Trustee. The
Trustee will sell and reduce to cash a sufficient amount of investments whenever
the cash held by the Trustee is insufficient. The Trustee shall not be liable
for any loss from such investments to the extent directed by the Company
Representative and to the extent such directions have been complied with by the
Trustee.

         Section 4.04. Moneys Held in Trust. The Trustee will hold in trust for
the benefit of the Bondholders all moneys held by it for any payment on the
Bonds. The proceeds of the initial sale of the Bonds shall be held in a separate
and segregated account by the Trustee until disbursed as described in Section
4.01. Money received by the Remarketing Agent or the Trustee from the sale of a
Bond under Section 3.08 or for the purchase of a Bond will be held segregated
from other funds of the Remarketing Agent or the Trustee in trust for the
benefit of the person from whom such Bond was purchased or the person delivering
such purchase money, as the case may be, and will not be invested. The Trustee
shall promptly, but in no event later than 30 days of their original deposit,
apply moneys received from the Company in accordance with this Indenture and the
Tax Agreement and as directed by the Company Representative.

                                    ARTICLE V

                                BOOK-ENTRY SYSTEM

         Section 5.01. Book-Entry System. The Bonds shall be initially issued in
the name of Cede & Co., as nominee for The Depository Trust Company as the
initial Securities Depository and registered owner of such Bonds, and held in
the custody of the Securities Depository. A single certificate will be issued
and delivered to the Securities Depository for the Bonds. The Beneficial Owners
will not receive physical delivery of Bond certificates except as provided
herein. For so long as the Securities Depository shall continue to serve as
securities depository for such Bonds as provided herein, all transfers of
beneficial ownership interests will be made by book-entry only, and no investor
or other party purchasing, selling or otherwise transferring beneficial
ownership of such Bonds is to receive, hold or deliver any Bond certificate. The
Issuer, the Company and the Trustee will recognize the Securities Depository or
its nominee as the Bondholder of such Bonds for all purposes, including notices
and voting.

         The Issuer and the Trustee covenant and agree, so long as The
Depository Trust Company shall continue to serve as Securities Depository for
the Bonds, to meet the requirements of The Depository Trust Company with respect
to required notices and other provisions of the Letter of Representations
executed with respect to the Bonds.

         The Issuer, the Trustee and the Remarketing Agent may conclusively rely
upon (i) a certificate of the Securities Depository as to the identity of the
Participants in the Book-Entry-System and (ii) a certificate of any such
Participant as to the identity of, and the respective principal amount of Bonds
beneficially owned by, the Beneficial Owners.

         Whenever, during the term of the Bonds, the beneficial ownership
thereof is determined by a book-entry at the Securities Depository, the
requirements in this Indenture of holding, delivering or transferring Bonds
shall be deemed modified to require the appropriate person to meet the
requirements of the Securities Depository as to registering or transferring the
book-entry to produce the same effect. Any provision hereof permitting or
requiring delivery of Bonds shall, while the Bonds are in a Book-Entry System,
be satisfied by the notation on the books of the Securities Depository in
accordance with applicable law.

         The Trustee and the Issuer, at the direction and expense of the Company
and with the consent of the Remarketing Agent, may from time to time appoint a
successor Securities Depository and enter into an agreement with such successor
Securities Depository to establish procedures with respect to the Bonds not
inconsistent with the provisions of this Indenture. Any successor Securities
Depository shall be a "clearing agency" registered under Section 17A of the
Securities Exchange Act of 1934, as amended.

         None of the Issuer, the Company, the Trustee nor the Remarketing Agent
will have any responsibility or obligation to any Securities Depository, any
Participants in the Book-Entry System or the Beneficial Owners with respect to
(i) the accuracy of any records maintained by the Securities Depository or any
Participant; (ii) the payment by the Securities Depository or by any Participant
of any amount due to any Beneficial Owner in respect of the principal amount or
redemption or purchase price of, or interest on, any Bonds; (iii) the delivery
of any notice by the Securities Depository or any Participant; (iv) the
selection of the Beneficial Owners to receive payment in the event of any
partial redemption of the Bonds; or (v) any other action taken by the Securities
Depository or any Participant.

         Bond certificates are required to be delivered to and registered in the
name of the Beneficial Owner, under the following circumstances:

                 (a) The Securities Depository determines to discontinue
         providing its service with respect to the Bonds and no successor
         Securities Depository is appointed as described above. Such a
         determination may be made at any time by giving 30 days' notice to the
         Issuer, the Company and the Trustee and discharging its
         responsibilities with respect thereto under applicable law; or

                  (b) The Company determines not to continue the Book-Entry
         System through a Securities Depository.

The Trustee is hereby authorized to make such changes to the form of bond
attached hereto as Exhibit A which are not inconsistent with this Indenture and
which are necessary or appropriate to reflect that the Book-Entry System is not
in effect, that a successor Securities Depository has been appointed or that an
additional or co-paying agent or tender agent has been designated pursuant to
Section 13.03 hereof.

         If at any time, the Securities Depository ceases to hold the Bonds all
references herein to the Securities Depository shall be of no further force or
effect.

                                   ARTICLE VI

                                    COVENANTS

         Section 6.01. Prompt Payment of Bonds. The Issuer will promptly pay the
principal or purchase price of, premium, if any, and interest on the Bonds on
the dates and in the manner provided in the Bonds, but only from the amounts
assigned to and held by the Trustee under this Indenture.

         Section 6.02. Recording and Filing; Further Assurances. (a) The Trustee
shall cooperate with the Company in causing to be filed all necessary financing
statements and continuation statements related to this Indenture and all
supplements hereto, and such other documents as may be, in the Opinion of
Counsel, necessary to be kept and filed in such manner and in such places as may
be required by law in order to preserve and protect fully the security of the
Bondholders and the rights of the Trustee hereunder.

         (b) The Issuer will execute and deliver such supplemental indentures
and such further instruments, and do such further acts, as the Trustee may
reasonably require for the better assuring, assigning and confirming to the
Trustee the amounts assigned under this Indenture for the payment of the Bonds.

         Section 6.03. Tax Covenants. The Issuer and the Company will not
directly or indirectly use or permit the use of any proceeds of the Bonds or any
other funds of the Issuer or the Company, or take or omit to take any action
that would cause the Bonds to be "arbitrage bonds" within the meaning of Section
148(a) of the Code or result in the loss of the exclusion from gross income for
federal income tax purposes of the interest paid on the Bonds. To that end, the
Issuer and the Company will comply with all requirements of the Code and the
1954 Code to the extent applicable to the Bonds. If at any time the Issuer or
the Company is of the opinion that for purposes of this Section 6.03 it is
necessary to restrict or limit the yield on the investment of any moneys held by
the Trustee under this Indenture, the Issuer or the Company shall so instruct
the Trustee in writing, and the Trustee shall take such action as may be
necessary in accordance with such instructions including, if necessary, the
investment of such moneys in obligations of any state, any political subdivision
thereof, or any public corporation or instrumentality of either thereof, the
interest on which is excludable from gross income under the Code.

         Without limiting the generality of the foregoing, the Issuer and the
Company agree that there shall be paid from time to time all amounts required to
be rebated to the United States pursuant to Section 148(f) of the Code and any
temporary, proposed or final Treasury Regulations as may be applicable to the
Bonds from time to time. This covenant shall survive payment in full or
defeasance of the Bonds. The obligations imposed upon the Company by this
Section have been acknowledged and accepted by the Company in Section 4.6 of the
Agreement and in the Tax Agreement. The Issuer and the Trustee hereby covenant
and agree to cooperate fully with the Company regarding compliance with the
provisions of this Article VI and Section 4.6 of the Agreement.

         Notwithstanding any provision of this Section, if the Company provides
to the Trustee and the Issuer an Opinion of Tax Counsel to the effect that any
action required under this Section is no longer required, or to the effect that
some further action is required, to maintain the exclusion of interest on the
Bonds from federal gross income, the Trustee and the Issuer may conclusively
rely on such opinion in complying with the provisions of this Indenture, and the
covenants under this Indenture shall be deemed to be modified to that extent.

                                   ARTICLE VII

                             DISCHARGE OF INDENTURE

         Section 7.01. Bonds Deemed Paid; Discharge of Indenture. Any Bond will
be deemed paid for all purposes of this Indenture when (a) payment of the
principal of and interest on the Bond to the due date of such principal and
interest (whether at maturity, upon redemption or otherwise) or the payment of
the Purchase Price either (1) has been made in accordance with the terms of the
Bonds or (2) has been provided for by depositing with the Trustee either (A)
moneys sufficient to make such payment or (B) in the case of a deposit prior to
the redemption date or maturity date, as the case may be, of such Bonds or
portions thereof, Government Obligations maturing as to principal and interest
in such amounts and at such times as will insure the availability of sufficient
moneys to make such payment, and (b) all compensation and reasonable expenses of
the Trustee pertaining to each Bond in respect of which such deposit is made
have been paid or provided for to the Trustee's satisfaction. When a Bond is
deemed paid, it will no longer be secured by or entitled to the benefits of this
Indenture or be an obligation of the Issuer, except for payment from moneys or
Government Obligations under (a)(2) above and except that it may be tendered if
and as provided in the Bonds and it may be transferred, exchanged, registered,
discharged from registration or replaced as provided in Article II.

         Notwithstanding the foregoing, upon the deposit of funds under clause
(a)(2) of the first paragraph of this Section, the Purchase Price of tendered
Bonds shall be paid from the sale of Bonds under Section 3.08. If payment of
such Purchase Price is not made from the above sources, payment shall be made
from funds on deposit pursuant to this Section, in which case such Bonds shall
be surrendered to the Trustee and cancelled.

         Notwithstanding the foregoing, no deposit under clause (a)(2) of the
first paragraph of this Section shall be deemed a payment of a Bond until the
Company has furnished the Trustee an Opinion of Tax Counsel stating that the
deposit of such cash or Government Obligations will not cause the Bonds to
become "arbitrage bonds" under Section 148 of the Code and until (a) notice of
redemption of the Bond is given in accordance with Article III or, if the Bond
is not to be redeemed or paid within the next 60 days, until the Company has
given the Trustee, in form satisfactory to the Trustee, irrevocable instructions
(i) to notify, as soon as practicable, the owner of the Bond, in accordance with
Article III, that the deposit required by (a)(2) above has been made with the
Trustee and that the Bond is deemed to be paid under this Article and stating
the maturity or redemption date upon which moneys are to be available for the
payment of the principal of the Bond, and premium, if any, and interest on such
Bond, if the Bond is to be redeemed rather than paid and (ii) to give notice of
redemption not less than 30 nor more than 60 days prior to the redemption date
for such Bond or (b) the maturity of the Bond.

         When all outstanding Bonds are deemed paid under the foregoing
provisions of this Section, the Trustee will upon request acknowledge the
discharge of the lien of this Indenture, provided, however that the obligations
relating to the tender for purchase as provided in the Bonds and obligations
under Article II in respect of the transfer, exchange, registration, discharge
from registration and replacement of Bonds shall survive the discharge of the
lien of the Indenture.

         No deposit will be made or accepted and no use made of any such deposit
which would cause any Bonds to be treated as "arbitrage bonds" within the
meaning of Section 148 of the Code.

         Section 7.02. Application of Trust Money. The Trustee shall hold in
trust money or Government Obligations deposited with it pursuant to the
preceding Section and shall apply the deposited money and the money from the
Government Obligations in accordance with this Indenture only to the payment of
principal of, premium, if any, and interest on the Bonds and to the payment of
the Purchase Price of tendered Bonds.

         Section 7.03. Repayment to Company. The Trustee shall promptly pay to
the Company upon request any excess money or securities held by the Trustee at
any time under this Article and any money held by the Trustee under any
provision of this Indenture for the payment of principal or interest or for the
purchase of Bonds that remains unclaimed for five years.

                                  ARTICLE VIII

                              DEFAULTS AND REMEDIES

         Section 8.01. Events of Default. An "Event of Default" is any of the
following:

                 (a) Default in the payment of any interest on any Bond when due
         and as the same shall become due and payable, which default continues
         for five days.

                 (b) Default in the due and punctual payment of principal on any
         Bond when due and payable, whether at maturity, upon redemption, or by
         declaration or otherwise.

                  (c) Default in the payment of the purchase price of any Bond
         tendered by its Beneficial Owner pursuant to the Bonds.

                 (d) An event of default has occurred and is continuing under
the Agreement.

         Section 8.02. Acceleration. Whenever an Event of Default has occurred
and is continuing, the Bonds shall without further action become immediately due
and payable.

         Section 8.03. Other Remedies. If an Event of Default occurs and is
continuing, the Trustee may, and upon request of the holders of at least 25% in
principal amount of the Bonds then outstanding shall, pursue any available
remedy by proceeding at law or in equity to collect the principal of or interest
on the Bonds or to enforce the performance of any provision of the Bonds, this
Indenture or the Agreement.

         The Trustee, as the assignee of all the right, title and interest of
the Issuer in and to the Agreement, shall enforce each and every right granted
to the Issuer under the Agreement.

         The Trustee may maintain a proceeding even if it does not possess any
of the Bonds or does not produce any of them in the proceeding. A delay or
omission by the Trustee or any Bondholder in exercising any right or remedy
accruing upon an Event of Default shall not impair the right or remedy or
constitute a waiver of or acquiescence in the Event of Default. No remedy is
exclusive of any other remedy. All available remedies are cumulative.

         In the event of a bankruptcy or reorganization of the Company, the
Trustee may file a proof of claim on behalf of all Bondholders with respect to
the obligations of the Company pursuant to the Agreement.

         Section 8.04. Waiver of Past Defaults. The holders of a majority in
principal amount of the Bonds then outstanding by notice to the Trustee may
waive an existing Event of Default and its consequences. When an Event of
Default is waived, it is cured and stops continuing, but no such waiver shall
extend to any subsequent or other Event of Default or impair any right
consequent to it.

         Section 8.05. Control by Majority. The holders of a majority in
principal amount of the Bonds then outstanding may direct the time, method and
place of conducting any proceeding for any remedy available to the Trustee or of
exercising any trust or power conferred on it. However, the Trustee may refuse
to follow any direction that conflicts with law or this Indenture or, subject to
Section 9.01, that the Trustee determines is unduly prejudicial to the rights of
other Bondholders, or would involve the Trustee in personal liability.

         Section 8.06. Limitation on Suits. A Bondholder may not pursue any
remedy with respect to this Indenture or the Bonds unless (a) the holder gives
the Trustee notice stating that an Event of Default is continuing, (b) the
holders of at least 25% in principal amount of the Bonds then outstanding make a
written request to the Trustee to pursue the remedy, (c) such holder or holders
offer to the Trustee indemnity satisfactory to the Trustee against any loss,
liability or expense and (d) the Trustee does not comply with the request within
60 days after receipt of the request and the offer of indemnity.

         A Bondholder may not use this Indenture to prejudice the rights of
another Bondholder or to obtain a preference or priority over the other
Bondholders.

         Section 8.07. Rights of Holders to Receive Payment. Notwithstanding any
other provision of this Indenture, the right of any holder to receive payment of
principal of and interest on a Bond, on or after the due dates expressed in the
Bond, or the purchase price of a Bond on or after the date for its purchase as
provided in the Bond, or to bring suit for the enforcement of any such payment
on or after such dates, shall not be impaired or affected without the consent of
the holder.

         Section 8.08. Collection Suit by Trustee. If an Event of Default under
Section 8.01(a), (b) or (c) occurs and is continuing, the Trustee may recover
judgment in its own name and as trustee of an express trust against the Company
for the whole amount remaining unpaid.

         Section 8.09. Trustee May File Proofs of Claim. The Trustee may file
such proofs of claim and other papers or documents as may be necessary or
advisable in order to have the claims of the Trustee and the Bondholders allowed
in any judicial proceedings relative to the Company, its creditors or its
property and, unless prohibited by law or applicable regulations, may vote on
behalf of the holders in any election of a trustee in bankruptcy or other person
performing similar functions. In the event of a bankruptcy or reorganization of
the Company, the Trustee may file a proof of claim on behalf of all Bondholders
with respect to the obligations of the Company pursuant to the Agreement.

         Section 8.10. Priorities. If the Trustee collects any money pursuant to
this Article, it shall pay out the money in the following order:

                  FIRST:   To the Trustee for amounts to which it is entitled
                           under Section 9.06.

                  SECOND:  To Bondholders for amounts due and unpaid on the
                           Bonds for principal and interest, ratably, without
                           preference or priority of any kind, according to the
                           amounts due and payable on the Bonds for principal
                           and interest, respectively.

                  THIRD:   To the Company.

The Trustee may fix a payment date for any payment to the Bondholders.

         Section 8.11. Undertaking for Costs. In any suit for the enforcement of
any right or remedy under this Indenture or in any suit against the Trustee for
any action taken or omitted by it as Trustee, a court in its discretion may
require the filing by any party litigant in the suit of an undertaking to pay
the costs of the suit, and the court in its discretion may assess reasonable
costs, including reasonable attorneys' fees, against any party litigant in the
suit, having due regard to the merits and good faith of the claims or defenses
made by the party litigant. This Section does not apply to a suit by the
Trustee, a suit by a holder pursuant to Section 8.07 or a suit by holders of
more than 10% in principal amount of the Bonds then outstanding.

                                   ARTICLE IX

                          TRUSTEE AND REMARKETING AGENT

         Section 9.01. Duties of Trustee. (a) If an Event of Default has
occurred and is continuing, the Trustee shall exercise its rights and powers and
use the same degree of care and skill in its exercise as a prudent person would
exercise or use under the circumstances in the conduct of such person's own
affairs.

         (b)     Except during the continuance of an Event of Default,

                 (1) the Trustee need perform only those duties that are
         specifically set forth in this Indenture and applicable laws and
         regulations, and no others and no implied duties or covenants shall be
         read into this Indenture against the Trustee, and

                 (2) in the absence of bad faith on its part, the Trustee may
         conclusively rely, as to the truth of the statements and the
         correctness of the opinions expressed, upon certificates, opinions,
         requisitions or any other writing furnished to the Trustee and
         conforming to the requirements of this Indenture. However, the Trustee
         shall examine the certificates and opinions to determine whether they
         conform to the requirements of this Indenture.

         (c) The Trustee may not be relieved from liability for its own grossly
negligent action, its own grossly negligent failure to act or its own willful
misconduct, except that:

                  (1) this paragraph does not limit the effect of paragraph (b)
         of this Section,

                 (2) the Trustee shall not be liable for any error of judgment
         made in good faith by a Responsible Officer, unless it is proved that
         the Trustee was grossly negligent in ascertaining the pertinent facts,

                 (3) the Trustee shall not be liable with respect to any action
         it takes or omits to take in good faith in accordance with a direction
         received by it pursuant to Section 8.05, and

                 (4) no provision of this Indenture shall require the Trustee to
         expend or risk its own funds or otherwise incur any financial liability
         in the performance of any of its duties hereunder or in the exercise of
         any of its rights or powers, if it shall have reasonable grounds for
         believing that repayment of such funds or adequate indemnity against
         such risk or liability is not reasonably assured to it.

         (d) Every provision of this Indenture that in any way relates to the
Trustee is subject to all the paragraphs of this Section.

         (e) The Trustee may refuse to perform any duty or exercise any right or
power unless it receives indemnity satisfactory to it against any loss,
liability or expense, but the Trustee may not require indemnity as a condition
to declaring the principal of and interest on the Bonds to be due immediately
under Section 8.02 or to making any payment of principal or interest on the
Bonds.

         (f) The Trustee shall not be liable for interest on any cash held by it
except as the Trustee may agree with the Company or the Issuer with the consent
of the Company.

         (g) In addition to the funds and accounts established by this
Indenture, the Trustee may establish such funds and accounts as it deems
necessary and appropriate in order to discharge its duties under this Indenture.

         Section 9.02.     Rights of Trustee.  Subject to the foregoing Section:

                 (a) The Trustee may rely on any document believed by it to be
         genuine and to have been signed or presented by the proper person. The
         Trustee need not investigate any fact or matter stated in the document.

                 (b) The Trustee shall not be liable for any action it takes or
         omits to take in good faith in reliance on any certificate of an
         appropriate officer or officers of the Issuer or the Company or Opinion
         of Counsel.

                 (c) The Trustee may act through agents or co-trustees but shall
         be answerable for the conduct of the same in accordance with the
         standards specified in this Indenture.

         Section 9.03. Individual Rights of Trustee. The Trustee in its
individual or any other capacity may become the owner or pledgee of Bonds and
may otherwise deal with the Issuer or with the Company or its affiliates with
the same rights it would have if it were not Trustee.

         Section 9.04. Trustee's Disclaimer. The Trustee makes no representation
as to the validity or adequacy of this Indenture, the Agreement or the Bonds,
and it shall not be responsible for any statement in the Bonds other than its
certificate of authentication.

         Section 9.05. Notice of Defaults. If an event occurs which with the
giving of notice or lapse of time or both would be an Event of Default, and if
the event is continuing and if it is known to the Trustee, the Trustee shall
promptly mail to each Bondholder notice of the event. Except in the case of a
default in payment or purchase on any Bonds, the Trustee may withhold the notice
if and so long as a committee of its Responsible Officers in good faith
determines that withholding the notice is in the interests of Bondholders.

         Section 9.06. Compensation and Indemnity of Trustee. For acting under
this Indenture, the Trustee shall be entitled to payment of reasonable fees for
its services and reimbursement of advances, reasonable counsel fees and other
expenses reasonably and necessarily made or incurred by the Trustee as shall be
agreed upon in writing by the Trustee and the Company from time to time in
connection with its services under this Indenture.

         To secure the payment or reimbursement to the Trustee provided for in
this Section, the Trustee shall have a senior claim, to which the Bonds are made
subordinate, on all money or property held or collected by the Trustee, except
that held under Article VII or otherwise held in trust to pay principal of and
interest on particular Bonds.

         The Company has agreed in the Agreement to indemnify the Trustee for,
and to hold it harmless against, any loss, liability or expense incurred without
negligence or bad faith on its part, arising out of or in connection with the
acceptance or administration of this trust, including the reasonable costs and
expenses of defending itself against any claim or liability in connection with
the exercise or performance of any of its powers or duties hereunder.

         Section 9.07. Eligibility of Trustee. This Indenture shall always have
a Trustee that is a corporation or association organized and doing business
under the laws of the United States or any state or the District of Columbia, is
authorized under such laws to exercise corporate trust powers, is subject to
supervision or examination by United States, state or District of Columbia
authority and has a combined capital and surplus of at least $50,000,000 as set
forth in its most recent published annual report of condition. If at any time
the Trustee ceases to be eligible in accordance with this Section, the Trustee
will resign immediately as set forth in Section 9.08.

         Section 9.08. Replacement of Trustee. (a) The Trustee may resign by
notifying the Issuer and the Company and by mailing notice by first class mail
to the Bondholders. Upon receiving such notice of resignation, the Company shall
promptly appoint a successor trustee by an instrument in writing; provided that
the Company may not make such appointment if an Event of Default has occurred
and is continuing, or if an event has occurred and is continuing which, with the
passage of time or the giving of notice or both will become an Event of Default.
If no successor trustee shall have been so appointed and have accepted
appointment within 30 days after the giving of such notice of resignation, the
resigning Trustee may petition any court of competent jurisdiction for the
appointment of a successor trustee or any Bondholder who has been a bona fide
holder of a Bond for at least six months may, on behalf of himself and others
similarly situated, petition any such court for the appointment of a successor
trustee. Such court may thereupon, after such notice, if any, as it may deem
proper and may prescribe, appoint a successor trustee.

         (b)     In case at any time either of the following shall occur:

                 (1) the Trustee shall cease to be eligible in accordance with
         the provisions of Section 9.07 and shall fail to resign after written
         request therefor by the Company or the Issuer, or

                 (2) the Trustee shall become incapable of acting, or shall be
         adjudged a bankrupt or insolvent, or a receiver of the Trustee or of
         its property shall be appointed, or any public officer shall take
         charge or control of the Trustee or of its property or affairs for the
         purpose of rehabilitation, conservation or liquidation,

then, in any such case, the Company shall remove the Trustee and appoint a
successor trustee by an instrument in writing; provided that the Company may not
make such appointment if an Event of Default has occurred and is continuing, or
if an event has occurred and is continuing which, with the passage of time or
the giving of notice or both will become an Event of Default, or any Bondholder
may, on behalf of itself and all others similarly situated, petition any court
of competent jurisdiction for the removal of the Trustee and the appointment of
a successor trustee. Such court may thereupon, after such notice, if any, as it
may deem proper and may prescribe, remove the Trustee and appoint a successor
trustee.

         (c) Except as otherwise provided in this subsection (c), the Company or
holders of a majority in aggregate principal amount of the Bonds at the time
outstanding may at any time remove the Trustee and appoint a successor trustee
by an instrument or concurrent instruments in writing signed by the Company or
such Bondholders, as the case may be. The Company may not remove the Trustee if
an Event of Default has occurred and is continuing or if an event has occurred
and is continuing which, with the passage of time or the giving of notice will
become an Event of Default.

         (d) Any resignation or removal of the Trustee and appointment of a
successor trustee pursuant to any of the provisions of this Section shall become
effective upon acceptance of appointment by the successor trustee as provided in
Section 9.09. The Company shall give written notification to any rating agency
then rating the Bonds of such successor trustee appointed pursuant to this
Section.

         Section 9.09. Acceptance of Trust by Successor Trustee. Any successor
trustee appointed as provided in Section 9.08 shall execute, acknowledge and
deliver to the Issuer and to its predecessor trustee an instrument accepting
such appointment hereunder, and thereupon the resignation or removal of the
predecessor trustee shall become effective and such successor trustee, without
any further act, deed or conveyance, shall become vested with all the rights,
powers, trusts, duties, and obligations of its predecessor in the trusts
hereunder, with like effect as if originally named as Trustee herein; but,
nevertheless, on the written request of the Issuer or the request of the
successor trustee, the Trustee ceasing to act shall execute and deliver an
instrument transferring to such successor trustee, upon the trusts herein
expressed, all the rights, power and trusts of the Trustee so ceasing to act.
Upon request of any such successor trustee, the Issuer shall execute any and all
instruments in writing necessary or desirable for more fully and certainly
vesting in and confirming to such successor trustee all such rights, powers, and
duties. Any Trustee ceasing to act shall, nevertheless, retain a lien upon all
property or funds held or collected by such Trustee to secure the amounts due it
as compensation, reimbursement, expenses, and indemnity afforded to it by
Section 9.06.

         No successor trustee shall accept appointment as provided in this
Section 9.09 unless at the time of such acceptance such successor trustee shall
be eligible under the provisions of Section 9.07.

         At the time of appointment, the Company and the successor trustee shall
execute an agreement with respect to the compensation of the successor trustee.

         Upon acceptance of appointment by a successor trustee as provided in
this Section, the Issuer or such successor trustee shall give Bondholders notice
of the succession of such trustee to the trusts hereunder in the manner
prescribed in Section 9.08 for the giving of notice of resignation of the
Trustee.

         Section 9.10.     [reserved].

         Section 9.11. Duties of Remarketing Agent. The Remarketing Agent will
set the interest rates on the Bonds and perform the other duties provided for in
Section 2.02 and will remarket Bonds as provided in Section 3.08, subject to any
provisions of a remarketing agreement between the Company and the Remarketing
Agent, which shall control in the case of any conflict with this Indenture. The
Remarketing Agent may for its own account or as broker or agent for others deal
in Bonds and may do anything any other Bondholder may do to the same extent as
if the Remarketing Agent were not serving as such.

         Section 9.12. Eligibility of Remarketing Agent. The initial Remarketing
Agent appointed under this Indenture is Regions Investment Company, Inc.,
Birmingham, Alabama. The Remarketing Agent will be a bank, trust company or
member of the National Association of Securities Dealers, Inc. organized and
doing business under the laws of the United States or any state or the District
of Columbia and must be authorized by law to perform all the duties imposed upon
it by this Indenture. Any successor Remarketing Agent shall be rated at least
Baa3/P-3 or otherwise qualified by Moody's Investors Service, Inc. or have an
equivalent rating of another rating agency.

         Section 9.13. Replacement of Remarketing Agent. The Remarketing Agent
may resign by notifying the Issuer, Trustee, and Company. Such resignation will
take effect on the day a successor Remarketing Agent appointed in accordance
with this Section has accepted the appointment or, if no successor has so
accepted, 30 days after notice of resignation has been sent. The Company may
remove the Remarketing Agent at any time by an instrument signed by the Company
and filed with the Remarketing Agent, the Issuer, and the Trustee at least 30
days prior to the effective date of such removal (which will not in any event
occur prior to the appointment of a successor Remarketing Agent). A new
Remarketing Agent may be appointed by the Company upon the resignation or
removal of the Remarketing Agent. The Trustee shall promptly notify the
Bondholders of any change in the Remarketing Agent.

         Section 9.14. Compensation of Remarketing Agent. The Remarketing Agent
will not be entitled to any compensation from the Issuer, the Trustee or any
property held under this Indenture but must make separate arrangements with the
Company for compensation.

         Section 9.15. Successor Trustee or Remarketing Agent by Merger. If the
Trustee or Remarketing Agent consolidates with, merges or converts into, or
transfers all or substantially all its assets (or, in the case of a bank or
trust company, its corporate trust assets) to another corporation, the
resulting, surviving or transferee corporation without any further act shall be
the successor Trustee or Remarketing Agent, provided that such successor shall
be eligible under the applicable provisions in this Article.

                                    ARTICLE X

                   AMENDMENTS OF AND SUPPLEMENTS TO INDENTURE

         Section 10.01. Without Consent of Bondholders. The Issuer and the
Trustee may amend or supplement this Indenture or the Bonds without notice to or
consent of any Bondholder:

                  (a) to cure any ambiguity, inconsistency, or formal defect or
         omission;

                  (b) to grant to the Trustee for the benefit of the Bondholders
         additional rights, remedies, powers, or authority;

                  (c) to subject to this Indenture additional collateral or to
         add other agreements of the Issuer;

                  (d) to modify this Indenture or the Bonds to permit
         qualification under the Trust Indenture Act of 1939 or any similar
         federal statute at the time in effect, or to permit the qualification
         of the Bonds for sale under the securities laws of any state of the
         United States;

                 (e) to authorize different authorized denominations of the
         Bonds and to make correlative amendments and modifications to this
         Indenture regarding exchangeability of Bonds of different authorized
         denominations, redemptions of portions of Bonds of particular
         authorized denominations and similar amendments and modifications of a
         technical nature;

                 (f) to increase or decrease the number of days specified for
         the giving of notices in Section 2.02 and to make corresponding changes
         to the period for notice of redemption of the Bonds; provided that no
         decreases in any such number of days shall become effective except
         while the Bonds bear interest at a Daily Rate or a Weekly Rate and
         until 30 days after the Trustee has given notice to the owners of the
         Bonds;

                 (g) to provide for an uncertificated system of registering the
         Bonds or to provide for the change to or from a Book-Entry System for
         the Bonds;

                  (h) to evidence the succession of a new Trustee or the
         appointment by the Trustee or the Issuer of a co-trustee; or

                 (i) to make any change (including a change in Section 4.01 to
         reflect any amendment to the Code or interpretations thereof by the
         Internal Revenue Service) that does not materially adversely affect the
         rights of any Bondholder.

         Section 10.02. With Consent of Bondholders. If an amendment of or
supplement to this Indenture or the Bonds without any consent of Bondholders is
not permitted by the preceding Section, the Issuer and the Trustee may enter
into such amendment or supplement without prior notice to any Bondholders but
with the consent of the holders of at least a majority in principal amount of
the Bonds then outstanding. However, without the consent of each Bondholder
affected, no amendment or supplement may (a) extend the maturity of the
principal of, or interest on, any Bond, (b) reduce the principal amount of, or
rate of interest on, any Bond, (c) effect a privilege or priority of any Bond or
Bonds over any other Bond or Bonds, (d) reduce the percentage of the principal
amount of the Bonds required for consent to such amendment or supplement, (e)
impair the exclusion from federal gross income of interest on any Bond, (f)
eliminate the holders' rights to tender the Bonds, or any mandatory redemption
of the Bonds, extend the due date for the purchase of Bonds tendered by the
holders thereof or call for mandatory redemption or reduce the purchase or
redemption price of such Bonds, (g) create a lien ranking prior to or on a
parity with the lien of this Indenture on the property described in the Granting
Clause of this Indenture, or (h) deprive any Bondholder of the lien created by
this Indenture on such property. In addition, if moneys or Government
Obligations have been deposited or set aside with the Trustee pursuant to
Article VII for the payment of Bonds and those Bonds shall not have in fact been
actually paid in full, no amendment to the provisions of that Article shall be
made without the consent of the holder of each of those Bonds affected.

         Section 10.03. Effect of Consents. Any consent received pursuant to
Section 10.02 will bind each Bondholder delivering such consent and each
subsequent holder of a Bond or portion of a Bond evidencing the same debt as the
consenting holder's Bond.

         Section 10.04. Notation on or Exchange of Bonds. If an amendment or
supplement changes the terms of a Bond, the Trustee may require the holder to
deliver it to the Trustee. The Trustee may place an appropriate notation on the
Bond about the changed terms and return it to the holder. Alternatively, if the
Trustee, the Issuer and the Company determine, the Issuer in exchange for the
Bond will issue and the Trustee will authenticate a new Bond that reflects the
changed terms.

         Section 10.05. Signing by Trustee of Amendments and Supplements. The
Trustee will sign any amendment or supplement to the Indenture or the Bonds
authorized by this Article if the amendment or supplement does not adversely
affect the rights, duties, liabilities, or immunities of the Trustee. If it
does, the Trustee may, but need not, sign it. In signing an amendment or
supplement, the Trustee will be entitled to receive and (subject to Section
9.01) will be fully protected in relying on an Opinion of Counsel stating that
such amendment or supplement is authorized by this Indenture.

         Section 10.06. Company Consent Required. An amendment or supplement to
this Indenture or the Bonds shall not become effective unless the Company
delivers to the Trustee its written consent to the amendment or supplement.

         Section 10.07. Notice to Bondholders. The Trustee shall cause notice of
the execution of each supplement or amendment to this Indenture or the Agreement
to be mailed to the Bondholders. The notice will at the option of the Trustee,
either (i) briefly state the nature of the amendment or supplement and that
copies of it are on file with the Trustee for inspection by Bondholders or (ii)
enclose a copy of such amendment or supplement.

                                   ARTICLE XI

                 AMENDMENTS OF AND SUPPLEMENTS TO THE AGREEMENT

         Section 11.01. Without Consent of Bondholders. The Issuer may enter
into, and the Trustee may consent to, any amendment of or supplement to the
Agreement, or may waive compliance by the Company of any provision of the
Agreement, without notice to or consent of any Bondholder, if the amendment,
supplement, or waiver is required or permitted (a) by the provisions of the
Agreement or this Indenture (including in connection with transactions permitted
by Section 6.3 of the Original Agreement, relating to maintenance of the
Company's existence), (b) to cure any ambiguity, inconsistency or formal defect
or omission, (c) to identify more precisely the Project, (d) in connection with
any authorized amendment of or supplement to this Indenture or (e) to make any
change that does not materially adversely affect the rights of any Bondholder.

         Section 11.02. With Consent of Bondholders. If an amendment of or
supplement to the Agreement without any consent of Bondholders is not permitted
by the foregoing Section, the Issuer may enter into, and/or the Trustee may
consent to (as the case may be), such amendment or supplement, or may waive
compliance by the Company of any provision of the Agreement, without notice to
any Bondholder but with the consent of the holders of at least a majority in
principal amount of the Bonds then outstanding. However, without the consent of
each Bondholder affected, no amendment, supplement or waiver may result in
anything described in the lettered clauses of Section 10.02.

         Section 11.03. Consents by Trustee to Amendments or Supplements. The
Trustee will consent to any amendment or supplement to the Agreement authorized
by this Article if the amendment or supplement does not adversely affect the
rights, duties, liabilities, or immunities of the Trustee. If it does, the
Trustee may, but need not, sign it. In signing a consent to an amendment or
supplement, the Trustee shall be entitled to receive and (subject to Section
9.01) shall be fully protected in relying on an Opinion of Counsel stating that
such amendment or supplement is authorized by this Indenture.

                                                     ARTICLE XII

                                                    MISCELLANEOUS

         Section 12.01. Notices. (a) Any notice, request, direction,
designation, consent, acknowledgment, certification, appointment, waiver, or
other communication required or permitted by this Indenture or the Bonds must be
in writing except as expressly provided otherwise in this Indenture or the
Bonds.

         (b) Any notice or other communication shall be sufficiently given and
deemed given when delivered by hand or mailed by first-class mail, postage
prepaid, addressed as follows:

                  if to the Issuer, to:

                 Chairman of the Board of Directors of
                 The Industrial Development Board of the
                 Town of Columbia
                 102 South Main Street
                 Columbia, Alabama 36319

                 if to the Trustee, to:

                 110 Office Park Drive
                 Birmingham, Alabama 35223
                 Attention: Corporate Trust Department

                 if to the Company, to:

                 600 North 18th Street
                 Birmingham, Alabama 35291
                 Attention: Treasurer

                 and if to the Remarketing Agent, to:

                 Regions Investment Company, Inc.
                 2011 4th Avenue North
                 Birmingham, Alabama 35203

Any addressee may designate additional or different addresses for purposes of
this Section.

         Section 12.02. Bondholders' Consents. Any consent or other instrument
required by this Indenture to be signed by Bondholders may be in any number of
concurrent documents and may be signed by a Bondholder or by the holder's agent
appointed in writing. Proof of the execution of such instrument or of the
instrument appointing an agent and of the ownership of Bonds, if made in the
following manner, shall be conclusive for any purposes of this Indenture with
regard to any action taken by the Trustee under the instrument:

                 (a) The fact and date of a person's signing an instrument may
         be proved by the certificate of any officer in any jurisdiction who by
         law has power to take acknowledgments within that jurisdiction that the
         person signing the writing acknowledged before the officer the
         execution of the writing, or by an affidavit of any witness to the
         signing.

                 (b) The fact of ownership of Bonds, the amount or amounts,
         numbers and other identification of such Bonds and the date of holding
         shall be proved by the registration books kept pursuant to this
         Indenture.

         In determining whether the holders of the required principal amount of
Bonds outstanding have taken any action under this Indenture, Bonds owned by the
Company or any person controlling, controlled by or under common control with
the Company shall be disregarded and deemed not to be outstanding. In
determining whether the Trustee shall be protected in relying on any such
action, only Bonds which the Trustee knows to be so owned shall be disregarded.

         Any consent or other instrument shall be irrevocable and shall bind any
subsequent owner of such Bond or any Bond delivered in substitution therefor.

         Section 12.03. Appointment of Separate Paying Agent and/or Tender
Agent. If, at any time, the Securities Depository ceases to hold the Bonds, with
the effect that the Bonds are no longer subject to the Book-Entry System, then
the Issuer and the Trustee, acting at the request of the Company, may appoint
one or more banks or trust companies to act as paying agent and/or tender agent
for the Bonds hereunder. Any such paying agent or tender agent shall be a bank
or trust company organized under the laws of the United States of America or any
state thereof, shall have a reported capital and surplus of at least
$100,000,000 and a corporate trust office located in New York, New York, at
which Bonds may be presented for payment or purchase and shall perform such
duties and responsibilities as may be delegated to it hereunder. If such a
paying agent or tender agent is appointed, then all references herein to the
"Trustee" shall include such paying agent or tender agent to the extent of the
duties performed by such entity.

         Section 12.04. Limitation of Rights. Nothing expressed or implied in
this Indenture or the Bonds shall give any person other than the Trustee,
Issuer, Company, Remarketing Agent, and the Bondholders any right, remedy or
claim under or with respect to this Indenture.

         Section 12.05. Severability. If any provision of this Indenture shall
be determined to be unenforceable, that shall not affect any other provision of
this Indenture.

         Section 12.06. Payments Due on Non-Business Days. If a payment date is
not a Business Day at the place of payment, then payment may be made at that
place on the next Business Day, and no interest shall accrue for the intervening
period.

         Section 12.07. Governing Law. This Indenture shall be governed
exclusively by and construed in accordance with the applicable laws of the
State.

         Section 12.08. Captions. The captions in this Indenture are for
convenience only and do not define or limit the scope or intent of any
provisions or Sections of this Indenture.

         Section 12.09. No Recourse Against Issuer's Officers. No member,
director, officer, agent, or employee of the Issuer shall be individually or
personally liable for any payment on the Bonds or be subject to any personal
liability or accountability by reason of the issuance of the Bonds, but this
Section shall not relieve any such officer, director, member, agent, or employee
from the performance of any official duty provided by law or this Indenture.

         Section 12.10. Limitation of Liability. Notwithstanding anything
contained in this Indenture to the contrary, the Bonds shall be limited
obligations of the Issuer and shall be payable solely from the revenues and
receipts and other amounts received by or on behalf of the Issuer pursuant to
the Agreement.

         Section 12.11. Counterparts. This Indenture may be signed in several
counterparts. Each will be an original, but all of them together constitute the
same instrument.


<PAGE>




         IN WITNESS WHEREOF, The Industrial Development Board of the Town of
Columbia has caused this Indenture to be signed in its name and its seal to be
hereunto affixed and attested by its duly authorized officers, respectively, and
SouthTrust Bank, National Association, to evidence its acceptance of the trust
created hereunder, has caused this Indenture to be signed in its name and its
seal to be hereunto affixed and attested by its duly authorized officers,
respectively, all as of the day and year first above written.

                               THE INDUSTRIAL DEVELOPMENT BOARD OF THE
                               TOWN OF COLUMBIA

[SEAL]

                               By:
                                        Chairman of the Board of Directors

ATTEST:

By:
                 Secretary

                               SOUTHTRUST BANK, NATIONAL ASSOCIATION,
                                        as Trustee

[SEAL]

                               By:

                               Title:

ATTEST:

By:

Title:


<PAGE>



                                    EXHIBIT A

                                 [FORM OF BOND]

                            UNITED STATES OF AMERICA

                                STATE OF ALABAMA

No. __________                                   $
                                                  --------------------------


                        THE INDUSTRIAL DEVELOPMENT BOARD
                             OF THE TOWN OF COLUMBIA

                    POLLUTION CONTROL REVENUE REFUNDING BOND
                         (ALABAMA POWER COMPANY PROJECT)

                                  SERIES 1999-C

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

                                                             TYPE OF INTEREST

MATURITY DATE      DATED DATE            CUSIP                 RATE PERIOD

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

 June 1, 2022     June 4, 1999        197210 ___                  Daily
- --------------- ----------------- -------------------- -----------------------



REGISTERED OWNER:    CEDE & CO.

PRINCIPAL AMOUNT:    ____________________

         The Industrial Development Board of the Town of Columbia (the
"Issuer"), a public corporation organized and existing under the laws of the
State of Alabama, hereby promises to pay, solely from the sources described in
this Bond, to the Registered Owner identified above, or registered assigns, on
the Maturity Date stated above (or if this Bond is called for earlier redemption
as described herein, on the redemption date) the principal amount identified
above and to pay interest as provided in this Bond.

         1. Indenture; Agreement. This Bond is one of the bonds (the "Bonds"),
limited to $25,000,000 in principal amount, issued under the Trust Indenture
dated as of June 1, 1999 (the "Indenture"), between the Issuer and SouthTrust
Bank, National Association, as trustee (the "Trustee"). The terms of the Bonds
include those in the Indenture. Bondholders are referred to the Indenture for a
statement of those terms. When used with reference to the Bonds, the term
"principal" includes any premium payable on those Bonds. Capitalized terms used
herein and not otherwise defined shall have the meanings ascribed to them in the
Indenture.

         The Issuer has sold certain air and water pollution control and sewage
and solid waste disposal facilities (the "Project") located at the Joseph M.
Farley Nuclear Plant (the "Plant") of Alabama Power Company (the "Company") to
the Company pursuant to an Installment Sale Agreement dated as of May 1, 1978,
between the Issuer and the Company, as heretofore supplemented and amended,
including a Twelfth Supplementary Installment Sale Agreement dated as of June 1,
1999 (the "Agreement"). Under the Agreement, Company is obligated to pay to the
Issuer amounts sufficient to pay all amounts coming due on the Bonds and other
expenses incurred in connection therewith, and the Issuer has assigned its
rights to such payments under the Agreement to the Trustee as security for the
Bonds. The proceeds of the Bonds will be used to refund certain outstanding
revenue bonds issued to finance a portion of the costs of the Project.

         The Indenture and the Agreement may be amended, and references to them
include any amendments.

         The Issuer has established a book-entry only system of registration for
the Bonds (the "Book-Entry System"). Except as specifically provided otherwise
in the Indenture, a Securities Depository (or its nominee) will be the
registered owner of this Bond. By acceptance of a confirmation of purchase,
delivery or transfer, the Beneficial Owner (if any) of this Bond shall be deemed
to have agreed to this arrangement. If the Securities Depository (or its
nominee) is the registered owner of this Bond, it shall be treated as the owner
of it for all purposes.

         2. Source of Payments. The principal or purchase price of, premium, if
any, and interest on the Bonds are limited obligations of the Issuer and, as
provided in the Indenture, are payable solely and only from payments derived
from the sale of the Project to the Company under the Agreement and from any
other moneys held by the Trustee under the Indenture for such purpose. The Bonds
shall not in any respect be a general obligation of the Issuer, nor shall they
be an obligation of the Town of Columbia, Alabama, or the State of Alabama.
Neither the faith and credit nor the taxing power of the Town of Columbia,
Alabama, the State of Alabama or any political subdivision thereof, is pledged
to the payment of the principal of the Bonds or the interest thereon or other
costs incident thereto.

         3. Interest Rate. Interest on this Bond will be paid at the lesser of
(a) a Daily Rate, a Weekly Rate, a Commercial Paper Rate, or a Long-Term
Interest Rate as selected by the Company and as determined in accordance with
the Indenture and (b) 10%. Interest will initially be payable at


<PAGE>


a Daily Rate as set forth in the Indenture. The Company may change the interest
rate determination method from time to time. A change in the method will result
in mandatory redemption of the Bonds (see "Redemptions" below). While there
exists an Event of Default under the Indenture, the interest rate on the Bonds
will be the rate on the Bonds on the day before the Event of Default occurred,
except that if interest on any Bond was then payable at a Commercial Paper Rate,
the default rate for all Bonds then bearing interest at a Commercial Paper Rate
will be the highest Commercial Paper Rate then in effect for any Bond.

         When interest is payable at a Daily, Weekly or Commercial Paper Rate,
it will be computed on the basis of the actual number of days elapsed over a
year of 365 days (366 in leap years), and when payable at a Long-Term Interest
Rate on the basis of a 360-day year of twelve 30-day months. Interest on overdue
principal and, to the extent lawful, on overdue premium and interest will be
payable at the rate on the Bonds on the day before the default occurred.

         4. Interest Payment and Record Dates. Interest will accrue on the
unpaid portion of the principal of this Bond from the last date to which
interest was paid, or if no interest has been paid, from the date of the
original issuance of the Bonds until the entire principal amount of this Bond is
paid. When interest is payable at the rate in the first column below, interest
accrued during the period (an "Interest Period") shown in the second column will
be paid on the date (an "Interest Payment Date") in the third column to holders
of record on the date (a "Record Date") in the fourth column:


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

                    INTEREST ACCRUAL            INTEREST
      RATE               PERIOD                PAYMENT DATE        RECORD DATE

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

     Daily*          Calendar month        Fifth Business Day  Last Business Day
                                            of the next month    of the month

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

     Weekly*         Calendar month        First Business Day  Last Business Day
                                            of the next month   before Interest
                                                                 Payment Date

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

Commercial Paper   From 1 to 365 days      Day after the last  Last Business Day
                   as determined for        day of Commercial   before Interest
                 each Bond pursuant to        Paper Period       Payment Date
                 Section 2.02(a)(3) of
                     the Indenture
                   ("Commercial Paper
                        Period")

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

     Long-Term**     Six-month period or      Next day (June 1  Fifteenth of the
                       portion thereof         or December 1)   month before the
                    ending on the last day                      Interest Payment
                      of May or November                         Date (May 15 or
                                                                 November 15)***

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

- --------


         *If there shall be a change from a Daily Rate or a Weekly Rate on a day
other than the first day of a calendar month, the then current Interest Period
relating to such Daily Rate or Weekly Rate shall end on the day immediately
preceding the date on which the new interest rate on the Bonds shall become
effective, which date in the case of a change from a Weekly Rate, shall be the
Interest Payment Date for such Interest Period, for which the Record Date shall
be the immediately preceding Business Day; but in the case of a change from a
Daily Rate, the Interest Payment Date for such Interest Period shall be the
fifth Business Day after the last day of such Interest Period, for which the
Record Date shall be the last Business Day of such Interest Period. If such new
interest rate shall be a Daily Rate or a Weekly Rate, the first Interest Period
relating thereto shall begin on the effective date of such new interest rate and
end on the last day of the then current calendar month, for which the Interest
Payment Date and the Record Date shall be as prescribed in this Table.

         **If there shall be a change from a Long-Term Interest Rate on a day
other than the day after the last day of the then current Long-Term Interest
Rate Period, or if there shall be an early termination of such Long-Term
Interest Rate Period and a new Long-Term Interest Rate shall be set, such
Long-Term Interest Rate Period shall end on the day immediately preceding the
date on which the new interest rate shall become effective, which date shall be
the Interest Payment Date for such Long-Term Interest Rate Period, for which the
Record Date shall be 15 days prior to such Interest Payment Date or, if sooner,
the first day of such Long-Term Interest Rate Period. If such new interest rate
shall be a Daily Rate or a Weekly Rate, the first Interest Period relating
thereto shall begin on the effective date of such new interest rate and end on
the last day of the then current calendar month, for which the Interest Payment
Date and the Record Date shall be prescribed in this Table.

         ***If an Interest Payment Date occurs less than 15 days after the first
day of a Long-Term Interest Rate Period, the first day of such Long-Term
Interest Rate Period is the Record Date for such interest Payment Date.

<PAGE>

"Business Day" is defined in the Indenture. Payment of defaulted interest will
be made to holders of record as of the fifth-to-last Business Day before
payment.

         5. Method of Payment. Holders must surrender Bonds to the Trustee to
collect principal at maturity or upon redemption. (See "Tenders" below for the
payment of purchase price of tendered Bonds.) Interest on Bonds bearing interest
at a Commercial Paper Rate is payable only upon presentation of such Bonds to
the Trustee. Interest on Bonds bearing interest at a Daily, Weekly, or Long-Term
Interest Rate will be paid to the registered holder hereof as of the Record Date
by check mailed by first-class mail on the Interest Payment Date to such
holder's registered address. A holder of $1,000,000 or more in principal amount
of Bonds may be paid interest at a Daily, Weekly or Commercial Paper Rate by
wire transfer in immediately available funds to an account in the continental
United States if the holder makes a written request of the Trustee (in form
satisfactory to the Trustee) at least two Business Days before the Record Date
specifying the account address. The notice may provide that it will remain in
effect for later interest payments until changed or revoked by another written
notice. Principal and interest will be paid in money of the United States that
at the time of payment is legal tender for payment of public and private debts
or by checks or wire transfers payable in such money. If any payment on the
Bonds is due on a non-Business Day, it will be made on the next Business Day,
and no interest will accrue as a result.

         6. Tenders. "Tender" means to require, or the act of requiring, the
Trustee to purchase a Bond at the holder's option under the provisions of this
Section 6 at 100% of the principal amount plus interest accrued to the date of
purchase. During a Daily Rate Period, if a Bond is tendered after the Record
Date and before the Interest Payment Date for that Interest Period, the Trustee
will pay a purchase price of principal plus interest accruing after the last day
of that Interest Period. The holder will receive interest for that Interest
Period by check or wire transfer as described in Section 5 above.

                 Daily Rate Tender. When interest on the Bonds is payable at a
         Daily Rate and a Book-Entry System is in effect, a Beneficial Owner
         (through its direct Participant in the Securities Depository) may
         tender his interest in a Bond (or portion of Bond) by delivering an
         irrevocable written notice or an irrevocable telephone notice, promptly
         confirmed in writing, to the Trustee (any such telephone notice to be
         delivered to a trust officer of the Trustee) and an irrevocable notice
         by telephone, telegraph, or facsimile transmission to the Remarketing
         Agent, in each case by 11:00 a.m., New York time, on a Business Day,
         stating the principal amount of the Bond (or portion of Bond being
         tendered), payment instructions for the purchase price and the Business
         Day (which may be the date the notice is delivered) the Bond (or
         portion of Bond) is to be purchased. The Beneficial Owner shall effect
         delivery of such Bonds by causing such direct Participant to transfer
         its interest in the Bonds equal to such Beneficial Owner's interest on
         the records of the Securities Depository to the participant account of
         the Trustee with the Securities Depository. Any notice received by the
         Trustee after 11:00 a.m., New York time, shall be deemed to have been
         given on the next Business Day.

                 When interest on the Bonds is payable at a Daily Rate and a
         Book-Entry System is not in effect, a holder of a Bond may tender the
         Bond (or portion of Bond) by delivering the notices as described above
         (which shall include the certificate number of the Bond), and shall
         also deliver the Bond to the Trustee by 1:00 p.m., New York time, on
         the date of purchase (see additional requirements below).

                 Weekly Rate Tender. When interest on the Bonds is payable at a
         Weekly Rate and a Book-Entry System is in effect, a Beneficial Owner
         (through its direct Participant in the Securities Depository) may
         tender his interest in a Bond (or portion of Bond) by delivering an
         irrevocable written notice or an irrevocable telephone notice, promptly
         confirmed in writing, to the Trustee (any such telephone notice to be
         delivered to a trust officer of the Trustee) and an irrevocable notice
         by telephone, telegraph, or facsimile transmission to the Remarketing
         Agent, in each case prior to 5:00 p.m., New York time on a Business Day
         stating the principal amount of the Bond (or portion of Bond) being
         tendered, payment instructions for the purchase price, and the date,
         which must be a Business Day at least seven days after the notice is
         delivered, on which the Bond (or portion of Bond) is to be purchased.
         The Beneficial Owner shall effect delivery of such Bonds by causing
         such direct Participant to transfer its interest in the Bonds equal to
         such Beneficial Owner's interest on the records of the Securities
         Depository to the participant account of the Trustee with the
         Securities Depository.

                 When interest on the Bonds is payable at a Weekly Rate and a
         Book-Entry System is not in effect, a holder of a Bond may tender the
         Bond (or portion of Bond) by delivering the notices as described above
         (which shall include the certificate number of the Bond), and shall
         also deliver the Bond to the Trustee by 1:00 p.m., New York time, on
         the date of purchase (see additional requirements below).

         Payment of Purchase Price. The purchase price for a tendered Bond will
be paid in immediately available funds to the registered owner of the Bond by
the close of business on the date of purchase.

         7. Delivery Address; Additional Delivery Requirements. Notices in
respect of tenders and Bonds tendered must be delivered to the Trustee as
follows:

                     SouthTrust Bank, National Association
                     110 Office Park Drive
                     Birmingham, Alabama 35223
                     Attention:  Corporate Trust Department
                     Telephone:     (205) 254-4131
                     Fax:           (205) 254-4180

         Notices in respect of tenders shall be delivered to the Remarketing
Agent as follows:

                     Regions Investment Company, Inc.
                     2011 4th Avenue North
                     Birmingham, Alabama 35203
                     Telephone:  (205) 326-7030
                     Fax:           (205) 326-7054

The delivery addresses or telephone numbers of the Trustee or the Remarketing
Agent may be changed by notice mailed by first class mail to the Bondholders at
their registered addresses.

         All tendered Bonds must be accompanied by an instrument of transfer
satisfactory to the Trustee, executed in blank by the registered owner or his
duly authorized attorney, with the signature guaranteed by an eligible guarantor
institution.

         Limitation on Tenders. No Bonds may be tendered while they bear
interest at a Commercial Paper Rate or a Long-Term Interest Rate.

         Irrevocable Notice Deemed to be Tender of Bond; Undelivered Bonds. The
giving of notice by an owner of a Bond as provided in Section 6 constitutes the
irrevocable tender for purchase of each Bond (or portion thereof) with respect
to which such notice was given, irrespective of whether such Bond was delivered
as provided in Section 6. The determination of the Trustee as to whether a
notice of tender has been properly delivered shall be conclusive and binding
upon the Bondholders.

         The Trustee may refuse to accept delivery of any Bond for which a
proper instrument of transfer has not been provided. If any owner of a Bond who
gave notice fails to deliver his Bond to the Trustee at the place and on the
applicable date and time specified, or fails to deliver his Bond properly
endorsed, his Bond shall constitute an undelivered Bond as described in Section
2.06 of the Indenture. BY ACCEPTANCE OF THIS BOND, THE OWNER AGREES TO SELL AND
SURRENDER THIS BOND, PROPERLY ENDORSED, TO THE TRUSTEE AFTER THE GIVING OF
IRREVOCABLE NOTICE OF TENDER FOR PURCHASE AS DESCRIBED ABOVE.

         8. Redemptions. As provided below, the Company has the right to
purchase Bonds in lieu of certain redemptions. BY ACCEPTANCE OF THIS BOND, THE
OWNER AGREES TO SELL AND SURRENDER THIS BOND, PROPERLY ENDORSED, TO THE COMPANY
IN LIEU OF REDEMPTION UNDER THE CONDITIONS DESCRIBED BELOW. All redemptions and
purchases in lieu of redemption will be made in funds immediately available on
the redemption or purchase date and will be at a redemption or purchase price of
100% of the principal amount of the Bonds being redeemed or purchased (unless a
premium is required as provided below) plus interest accrued to the redemption
or purchase date, except that interest accruing at a Daily Rate will be paid on
the fifth Business Day following the redemption or purchase date. Bonds tendered
for purchase on a date after a call for redemption but before the redemption
date will be purchased pursuant to the tender. No purchase of Bonds by the
Company or advance use of any funds to effectuate any such purchase shall be
deemed to be a payment or redemption of the Bonds or of any portion thereof and
such purchase will not operate to extinguish or discharge the indebtedness
evidenced by such Bonds.

         Optional Redemption at a Premium During Long-Term Interest Rate Period.
During any Long-Term Interest Rate Period of less than or equal to five years,
the Bonds will not be redeemable pursuant to this provision during the Long-Term
Interest Rate Period.

         If the Long-Term Interest Rate Period is greater than five years, the
Bonds will not be redeemable for five years after the date on which the Bonds
begin to bear interest at the Long-Term Interest Rate. After the five year
no-call period, the Bonds may be redeemed at any time in whole or in part at
102% of their principal amount. The premium will decline every year on the
anniversary of the date on which the Bonds begin to bear interest at the
Long-Term Interest Rate, by one percentage point until the Bonds are redeemable
without premium.

         As an alternative to and in lieu of the foregoing redemption provisions
if, with respect to any Long-Term Interest Rate Period, a Favorable Opinion of
Tax Counsel is delivered to the Trustee not later than the date of the
establishment of such Long-Term Interest Rate Period, the Bonds may be redeemed
during such Long-Term Interest Rate Period at the option of the Company in whole
or in part at any time after a no-call period, if any, established by the
Remarketing Agent, at the percentages of their principal amount, plus accrued
interest, as follows: The Remarketing Agent shall, given the duration of the
Long-Term Interest Rate Period, determine and inform the Trustee, on a date
which is no later than the establishment of the Long-Term Interest Rate, the
periods during which the Bonds shall not be subject to redemption (the "Call
Protection Period"), the redemption premium or premiums (the "Call Premiums"),
if any, applicable to the redemption of Bonds after the Call Protection Period,
and the period or periods during which the Call Premiums shall be effective (the
"Call Premium Periods") necessary to establish the Long-Term Interest Rate. Such
Call Protection Period, Call Premiums and Call Premium Periods shall be
established in accordance with optional call redemption provisions which in the
judgment of the Remarketing Agent, are generally accepted as the standard
features for obligations such as the Bonds, given the length of the Long-Term
Interest Rate Period.

         Extraordinary Optional Redemption. The Bonds may be redeemed in whole
at the option of the Company at any time after the occurrence of any of the
following:

                 (a) Damage or destruction to the Plant or the Project to such
         extent that in the opinion of the Company's board of directors
         (expressed in a resolution) filed with the Issuer and the Trustee: (1)
         the Plant or the Project, as the case may be, cannot be reasonably
         repaired, rebuilt or restored within a period of six months to their
         condition immediately preceding such damage or destruction, or (2) the
         Company is thereby prevented from carrying on its normal operations at
         the Plant for a period of six months.

                 (b) Loss of title to or use of a substantial part of the Plant
         or the Project as a result of the exercise of the power of eminent
         domain which, in the opinion of the Company's board of directors
         (expressed in a resolution) filed with the Issuer and the Trustee,
         results or is likely to result in the Company being thereby prevented
         from carrying on its normal operations therein for a period of six
         months.

                 (c) Any event occurs which, in the opinion of the Company's
         board of directors (expressed in a resolution), renders the Project or
         the Plant so uneconomical that it is abandoned.

         Any such redemption shall be on any date within 90 days from the time
the Company files the required resolution and directs that the Bonds are to be
redeemed, which direction must be given, if at all, within 180 days following
the occurrence of one of the events listed above.

         Optional Redemption During Daily or Weekly Rate Period. When interest
on the Bonds is payable at a Daily or Weekly Rate, the Bonds may be redeemed in
whole or in part at the option of the Company, on any Business Day.

         Mandatory Redemption at Beginning of a New Long-Term Interest Rate
Period. When the Bonds bear interest at a Long-Term Interest Rate and a new
Long-Term Interest Rate is to be determined, the Bonds will be redeemed or
purchased by the Company in lieu of redemption on the effective date of the new
Long-Term Interest Rate. In the case of a change prior to the day originally
established as the day after the last day of a Long-Term Interest Rate Period,
the Bonds will be redeemed or purchased at the percentage of their principal
amount which would be payable upon the applicable redemption described under
"Optional Redemption at a Premium During Long-Term Interest Rate Period" above.

         Mandatory Redemption on Each Interest Payment Date During Commercial
Paper Mode. When Bonds bear interest at a Commercial Paper Rate, each Bond will
be redeemed or purchased by the Company in lieu of redemption on the Interest
Payment Date for such Bond. If Bonds are scheduled to be redeemed under the
following paragraph, the Bonds will be called under, and redemption will be
governed by, that paragraph and not this paragraph.

         Mandatory Redemption Upon a Change in the Method of Determining the
Interest Rate on the Bonds. On the effective date of the change in the method of
determining the interest rate on the Bonds (the four methods being Daily,
Weekly, Commercial Paper, or Long-Term Interest Rates) the Bonds will be
redeemed or purchased by the Company in lieu of redemption on the effective date
of such change. Any such redemption or purchase shall be at a price equal to
100% of the principal amount of the Bonds, except that in the case of a change
prior to the day originally established as the day after the last day of a
Long-Term Interest Rate Period, the Bonds will be redeemed or purchased at the
percentage of their principal amount which would be payable upon the applicable
redemption described under "Optional Redemption at a Premium During Long-Term
Interest Rate Period" above.

         Notice of Redemption. At least 30 days before each redemption (except
redemptions described under "Mandatory Redemption on Each Interest Payment Date
During Commercial Paper Mode" above for which no notice will be given and except
for redemptions described under "Mandatory Redemption Upon a Change in the
Method of Determining the Interest Rate on the Bonds" above for which 15 days'
notice may be given), the Trustee will mail a notice of redemption by
first-class mail to each Bondholder at the holder's registered address. Failure
to give any required notice of redemption as to any particular Bonds will not
affect the validity of the call for redemption of any Bonds in respect of which
no failure occurs. Any notice mailed as provided in this paragraph shall be
effective when sent and will be conclusively presumed to have been given whether
or not actually received by the addressee.

         Effect of Notice of Redemption. When notice of redemption is required
and given, and when Bonds are to be redeemed without notice, Bonds called for
redemption become due and payable on the redemption date at the applicable
redemption price, subject to the Company's right to purchase Bonds as provided
above; in such case when funds are deposited with the Trustee sufficient for
redemption or for purchase, interest on the Bonds to be redeemed or purchased
ceases to accrue as of the date of redemption or purchase.

         9. Denominations; Transfer; Exchange. The Bonds are in registered form
without coupons in denominations as follows: (1) when interest is payable at a
Daily, Weekly, or Commercial Paper Rate, $100,000 or any integral multiple
thereof; and (2) when interest is payable at a Long-Term Interest Rate, $5,000
or any integral multiple thereof. A holder may transfer or exchange Bonds in
accordance with the Indenture. The Trustee may require a holder, among other
things, to furnish appropriate endorsements and transfer documents and to pay
any taxes and fees required by law or permitted by the Indenture. Except in
connection with the purchase of Bonds tendered for purchase or purchased in lieu
of redemption, the Trustee will not be required to transfer or exchange any Bond
which has been called for redemption or during the period beginning 15 days
before the mailing of notice calling the Bonds or any portion of the Bonds for
redemption and ending on the redemption date.

         10. Persons Deemed Owners. The registered holder of this Bond may be
treated as the owner of it for all purposes.

         11. Unclaimed Money. If money for the payment of principal, premium,
interest, or purchase price remains unclaimed for five years, the Trustee will
pay the money to or for the account of the Company. After that, holders entitled
to the money must look only to the Company and not to the Trustee or the Issuer
for payment unless an abandoned property law designates another person.

         12. Discharge Before Redemption or Maturity. If the Company at any time
deposits with the Trustee money or Government Obligations as described in the
Indenture sufficient to pay at redemption or maturity principal of and interest
on the outstanding Bonds, and if the Company also pays all other sums then
payable by the Company under the Indenture, the lien of the Indenture will be
discharged. After discharge, Bondholders must look only to the deposited money
and securities for payment. Government Obligations are securities backed by the
faith and credit of the United States or securities evidencing ownership
interest in such full-faith and credit securities.

         13. Amendment, Supplement, Waiver. Subject to certain exceptions, the
Indenture, the Agreement, or the Bonds may be amended or supplemented, and any
past default or compliance with any provision may be waived, with the consent of
the holders of a majority in principal amount of the Bonds then outstanding. Any
such consent shall be Irrevocable and shall bind any subsequent owner of this
Bond or any Bond delivered in substitution for this Bond. Without the consent of
any Bondholder, the Issuer may amend or supplement the Indenture, the Agreement,
or the Bonds as described in the Indenture, among other things, to cure any
ambiguity, omission, defect, or inconsistency, to provide for uncertificated
Bonds in addition to or in place of certificated Bonds, to provide for a
Book-Entry System for the Bonds or to make any change that does not materially
adversely affect the rights of any Bondholder.

         14. Defaults and Remedies. The Indenture provides that the occurrences
of certain events constitute Events of Default. If an Event of Default relating
to payment of principal of, interest on, or purchase price of the Bonds occurs
and is continuing, the Bonds shall without further action become immediately due
and payable. Whenever any other Event of Default occurs and is continuing, the
Bonds shall without further action become due and payable immediately. An Event
of Default and its consequences may be waived as provided in the Indenture.
Bondholders may not enforce the Indenture or the Bonds except as provided in the
Indenture. Except as specifically provided in the Indenture, the Trustee may
refuse to enforce the Indenture or the Bonds unless it receives indemnity
satisfactory to it. Subject to certain limitations, holders of a majority in
principal amount of the Bonds then outstanding may direct the Trustee in its
exercise of any trust or power.

         15. No Recourse Against Others. A member, director, officer, or
employee, as such, of the Issuer shall not have any liability for any
obligations of the Issuer or the Company under the Bonds or the Indenture or for
any claim based on such obligations or their creation. Each Bondholder by
accepting a Bond waives and releases all such liability. The waiver and release
are part of the consideration for the issue of the Bond.

         16. Authentication. This Bond shall not be valid until the Trustee
signs the certificate of authentication.

         17. Abbreviations. Customary abbreviations may be used in the name of a
Bondholder or an assignee, such as TEN COM (= tenants in common), TEN ENT (=
tenants by the entireties), JT TEN (= joint tenants with right of survivorship
and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts
to Minors Act).

         A copy of the Indenture may be inspected at the corporate trust office
of the Trustee located at 110 Office Park Circle, Birmingham, Alabama 35223.

         IT IS HEREBY CERTIFIED, RECITED, AND DECLARED that all acts,
conditions, and things required to exist, happen, and be performed precedent to
and in the execution and delivery of the Indenture and the issuance of this Bond
do exist, have happened and have been performed in due time, form, and manner as
required by law.

         This Bond shall not be valid or become obligatory for any purpose or be
entitled to any security or benefit under the Indenture until the certificate of
authentication hereon shall have been duly executed by the Trustee.


<PAGE>


         IN WITNESS WHEREOF The Industrial Development Board of the Town of
Columbia has caused this Bond to be executed in its name by the Chairman or Vice
Chairman of its Board of Directors by his manual or facsimile signature and
attested by the manual or facsimile signature of its Secretary or Assistant and
its corporate seal to be hereunto affixed or printed hereon.

Date of Authentication:        ,

                         THE INDUSTRIAL DEVELOPMENT BOARD OF
                         TOWN OF COLUMBIA

[SEAL]

                         By:
                                  Chairman of the Board of Directors

Attest:

By:
         Secretary

                         SOUTHTRUST BANK, NATIONAL ASSOCIATION
                                  Trustee, certifies that this is one of the
                                  Bonds referred to in the Indenture

                         By:
                                           Authorized Signature

The following abbreviations, when used in the inscription on the face of the
within Bond, shall be construed as though they were written out in full
according to applicable laws or regulations:


<PAGE>


 TEN COM-as tenants in         UNIF GIFT MIN ACT -  Custodian
         common                                       (Cust)         (Minor)
 TEN ENT-as tenants by the
         entireties                   under Uniform Gifts to Minors Act
  JT TEN-as joint tenants
         with right of
         survivorship and                         (State)
         not as tenants in
         common

Additional abbreviations may also be used though not in list above.


<PAGE>


                                                     ASSIGNMENT

FOR VALUE RECEIVED, the undersigned sells, assigns and transfers unto

                        PLEASE INSERT SOCIAL SECURITY OR
                      OTHER IDENTIFYING NUMBER OF ASSIGNEE

                         (Name and Address of Assignee)

the within Bond and does hereby irrevocably constitute and appoint

attorney to transfer the said Bond on the books kept for registration thereof
with full power of substitution in the premises.

Dated:


<PAGE>


Signature guaranteed:


Medallion Number:
*Signature(s)   must  be   guaranteed  by  an  eligible
guarantor   institution   which  is  a   member   of  a
recognized    signature   guarantee   program,    i.e.,
Securities  Transfer Agents Medallion  Program (STAMP),
or New York Stock Exchange Medallion  Signature Program
(MSP).

NOTICE:   The   signature  to  this   assignment   must
correspond with the name of the registered  owner as it
appears  upon  the  face of the  within  Bond in  every
particular,  without  alteration or  enlargement or any
change whatever.



                                                                     EXHIBIT G

                               Balch & Bingham LLP
                             1901 Sixth Avenue North
                            Birmingham, Alabama 35203

June 9, 1999

Securities and Exchange Commission
Washington, DC  20549

Re:      Statement on Form U-1
         of Alabama Power Company
         (herein called the "Company")
         File No. 70-8661

Ladies and Gentlemen:

We have read the statement on Form U-1, as amended, referred to above and are
furnishing this opinion in connection with the issuance and sale by The
Industrial Development Board of the Town of Columbia (Alabama) of $51,650,000
aggregate principal amount of its Pollution Control Revenue Refunding Bonds
(Alabama Power Company Project), Series 1999-A, $25,000,000 aggregate principal
amount of its Pollution Control Revenue Refunding Bonds (Alabama Power Company
Project), Series 1999-B and $25,000,000 aggregate principal amount of its
Pollution control Revenue Refunding Bonds (Alabama Power Company Project),
Series 1999-C (collectively, the "Revenue Bonds").

We are of the opinion that:

         (a)      the Company is validly organized and duly existing as a
                  corporation under the laws of the State of Alabama;

         (b)      the transactions have been consummated in accordance with such
                  statement on Form U-1, as amended;

         (c)      all state laws applicable to the transactions have been
                  complied with;

         (d)      the Company's obligations with respect to the Revenue Bonds
                  are valid and binding obligations of the Company in accordance
                  with their terms; and

         (e)      the consummation of the transactions did not violate the legal
                  rights of the holders of any securities issued by the Company
                  or any associate company thereof.


<PAGE>






Securities and Exchange Commission
June 9, 1999
Page 2

We hereby give our written consent to the use of this opinion in connection with
the above-mentioned statement on Form U-1 and to the filing thereof with the
Commission at the time of the filing of the certificate pursuant to Rule 24.

                             Very truly yours,

                             /s/Balch & Bingham LLP



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