EXHIBIT 4.7.1(f) UPON RECORDING, RETURN TO: MS. SHAWNE M. KEENAN SUTHERLAND, ASBILL & BRENNAN LLP 999 PEACHTREE STREET, N.E. ATLANTA, GEORGIA 30309-3996 PURSUANT TO SECTION 44-14-35.1 OF OFFICIAL CODE OF GEORGIA ANNOTATED, THIS INSTRUMENT EMBRACES, COVERS AND CONVEYS SECURITY TITLE TO AFTER-ACQUIRED PROPERTY OF THE GRANTOR - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- OGLETHORPE POWER CORPORATION (AN ELECTRIC MEMBERSHIP CORPORATION), GRANTOR, to SUNTRUST BANK, ATLANTA, TRUSTEE FIFTH SUPPLEMENTAL INDENTURE Relating to the Series 1998 CFC Note Dated as of April 1, 1998 FIRST MORTGAGE OBLIGATIONS - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- THIS FIFTH SUPPLEMENTAL INDENTURE, dated as of April 1, 1998, is between OGLETHORPE POWER CORPORATION (AN ELECTRIC MEMBERSHIP CORPORATION), an electric membership corporation organized and existing under the laws of the State of Georgia, as Grantor (hereinafter called the "Company"), and SUNTRUST BANK, ATLANTA, a banking corporation organized and existing under the laws of the State of Georgia, as Trustee (in such capacity, the "Trustee"). WHEREAS, the Company has heretofore executed and delivered to the Trustee an Indenture, dated as of March 1, 1997 (hereinafter called the "Original Indenture") for the purpose of securing its Existing Obligations and providing for the authentication and delivery of Additional Obligations by the Trustee from time to time under the Original Indenture (capitalized terms used herein shall have the meanings ascribed to them in the Original Indenture as provided in Section 2.1 hereof); WHEREAS, the Development Authority of Burke County (the "Burke Authority") issued $92,130,000 in aggregate principal amount of Development Authority of Burke County Pollution Control Revenue Refunding Bonds (Oglethorpe Power Corporation Vogtle Project), Series 1992 (the "Series 1992 Bonds") on November 12, 1992; WHEREAS, to facilitate the adoption of the Original Indenture in connection with the restructuring of the Company, the Company defeased the Series 1992 Bonds by issuing commercial paper on March 7, 1997; WHEREAS, the Company intends to refund and retire the commercial paper used to defease the Series 1992 Bonds with the proceeds of medium term loan facilities; WHEREAS, the Company intends to borrow $46,065,000 in aggregate principal amount from National Rural Utilities Cooperative Finance Corporation ("CFC") to refund in part the commercial paper used to defease the Series 1992 Bonds; WHEREAS, the Company's obligation to repay the loan from CFC will be evidenced by that certain Series 1998 CFC Note, dated the date of its authentication (the "Series 1998 CFC Note"), from the Company to CFC, delivered pursuant to that certain Loan Agreement, dated as of April 1, 1998 (the "1998 CFC Loan Agreement"), between the Company and CFC; WHEREAS, the Company desires to execute and deliver this Fifth Supplemental Indenture, in accordance with the provisions of the Original Indenture, for the purpose of providing for the creation and designation of the Series 1998 CFC Note as an Additional Obligation and specifying the form and provisions of the Series 1998 CFC Note (the Original Indenture, as hereby supplemented and modified, being herein sometimes called the "Indenture"); WHEREAS, Section 12.1 of the Original Indenture provides that, without the consent of the Holders of any of the Obligations at the time Outstanding, the Company, when authorized by a Board Resolution, and the Trustee, may enter into supplemental indentures for the purposes and subject to the conditions set forth in said Section 12.1; and WHEREAS, all acts and proceedings required by law and by the Articles of Incorporation and Bylaws of the Company necessary to secure the payment of the principal of (and premium, if any) and interest on the Series 1998 CFC Note, to make the Series 1998 CFC Notes to be issued hereunder, when executed by the Company, authenticated and delivered by the Trustee and duly issued, the valid, binding and legal obligation of the Company, and to constitute the Indenture a valid and binding lien for the security of the Series 1998 CFC Note, in accordance with its terms, have been done and taken; and the execution and delivery of this Fifth Supplemental Indenture has been in all respects duly authorized; NOW, THEREFORE, THIS FIFTH SUPPLEMENTAL INDENTURE WITNESSES, that, to secure the payment of the principal of (and premium, if any) and interest on the Outstanding Secured Obligations, including, when issued, the Series 1998 CFC Note, to confirm the lien of the Indenture upon the Trust Estate, including property purchased, constructed or otherwise acquired by the Company since the date of execution of the Original Indenture, to secure performance of the covenants therein and herein contained, to declare the terms and conditions on which the Series 1998 CFC Note is secured, and in consideration of the premises thereof and hereof, the Company by these presents does grant, bargain, sell, alienate, remise, release, convey, assign, transfer, mortgage, hypothecate, pledge, set over and confirm to the Trustee, and its successors and assigns in the trust created thereby and hereby in trust, all property, rights, privileges and franchises (other than Excepted Property or Excludable Property) of the Company of the character described in the Granting Clauses of the Original Indenture, including all such property, rights, privileges and franchises acquired since the date of execution of the Original Indenture subject to all exceptions, reservations and matters of the character therein referred to, and does grant a security interest therein for the purposes expressed herein and in the Original Indenture subject in all cases to Sections 5.2 and 11.2 B of the Original Indenture and to the rights of the Company under the Original Indenture including the rights set forth in Article V thereof; but expressly excepting and excluding from the lien and operation of the Indenture all properties of the character specifically excepted as "Excepted Property" or "Excludable Property" in the Original Indenture to the extent contemplated thereby. PROVIDED, HOWEVER, that if, upon the occurrence of an Event of Default under the Original Indenture, the Trustee, or any separate trustee or co-trustee appointed under Section 9.14 of the Original Indenture or any receiver appointed pursuant to statutory provision or order of court, shall have entered into possession of all or substantially all of the Trust Estate, all the Excepted Property described or referred to in Paragraphs A through H, inclusive, of "Excepted Property" in the Original Indenture then owned or thereafter acquired by the Company, shall immediately, and, in the case of any Excepted Property described or referred to in Paragraphs I, J, L, N and P of "Excepted Property" in the Original Indenture (excluding the property described in Section 2 of EXHIBIT B in the Original Indenture), upon demand of the Trustee or such other trustee or receiver, become subject to the lien of the Indenture to the extent permitted by law, and the Trustee or such other trustee or receiver may, to the extent permitted by law, at the same time likewise take possession thereof, and whenever all Events of Default shall have been cured and the possession of all or substantially all of the Trust Estate shall have been restored to the Company, such Excepted Property shall again be excepted and excluded from the lien of the Indenture to the extent and otherwise as hereinabove set forth and as set forth in the Original Indenture. The Company may, however, pursuant to the Granting Clause Third of the Original Indenture, subject to the lien of the Indenture any Excepted Property or Excludable Property, whereupon the same shall cease to be Excepted Property or Excludable Property. TO HAVE AND TO HOLD all such property, rights, privileges and franchises hereby and hereafter (by Supplemental Indenture or otherwise) granted, bargained, sold, alienated, remised, released, conveyed, assigned, transferred, mortgaged, hypothecated, pledged, set over or confirmed as aforesaid, or intended, agreed or covenanted so to be, together with all the tenements, hereditaments and appurtenances thereto appertaining (said properties, rights, privileges and franchises, including any cash and securities hereafter deposited or required to be deposited with the Trustee (other than any such cash which is specifically stated in the Original Indenture not to be deemed part of the Trust Estate) being part of the Trust Estate), unto the Trustee, and its successors and assigns in the trust herein created, forever. SUBJECT, HOWEVER, to (i) Permitted Exceptions (as defined in Section 1.1 of the Original Indenture) and (ii) to the extent permitted by Section 13.6 of the Original Indenture as to property hereafter acquired (a) any duly recorded or perfected prior mortgage or other lien that may exist thereon at the date of the acquisition thereof by the Company and (b) purchase money mortgages, other purchase money liens, chattel mortgages, conditional sales agreements or other title retention agreements created by the Company at the time of acquisition thereof. BUT IN TRUST, NEVERTHELESS, with power of sale, for the equal and proportionate benefit and security of the Holders from time to time of all the Outstanding Secured Obligations without any priority of any such Obligation over any other such Obligation and for the enforcement of the payment of such Obligations in accordance with their terms. UPON CONDITION that, until the happening of an Event of Default and subject to the provisions of Article V of the Original Indenture, and not in limitation of the rights elsewhere provided in the Original Indenture, including the rights set forth in Article V of the Original Indenture, the Company shall be permitted to (i) possess and use the Trust Estate, except cash, securities, Designated Qualifying Securities and other personal property deposited, or required to be deposited, with the Trustee, (ii) explore for, mine, extract, separate and dispose of coal, ore, gas, oil and other minerals, and harvest standing timber, and (iii) receive and use the rents, issues, profits, revenues and other income, products and proceeds of the Trust Estate. THE INDENTURE, INCLUDING THIS FIFTH SUPPLEMENTAL INDENTURE, is intended to operate and is to be construed as a deed passing title to the Trust Estate and is made under the provisions of the existing laws of the State of Georgia relating to deeds to secure debt, and not as a mortgage or deed of trust, and is given to secure the Outstanding Secured Obligations. Should the indebtedness secured by the Indenture be paid according to the tenor and effect thereof when the same shall become due and payable and should the Company perform all covenants herein contained in a timely manner, then the Indenture shall be canceled and surrendered. AND IT IS HEREBY COVENANTED AND DECLARED that the Series 1998 CFC Note is to be authenticated and delivered and the Trust Estate is to be held and applied by the Trustee, subject to the covenants, conditions and trusts set forth herein and in the Original Indenture, and the Company does hereby covenant and agree to and with the Trustee, for the equal and proportionate benefit of all Holders of the Outstanding Secured Obligations, as follows: ARTICLE I THE SERIES 1998 CFC NOTE AND CERTAIN PROVISIONS RELATING THERETO SECTION 1.1 AUTHORIZATION AND TERMS OF THE SERIES 1998 CFC NOTE. There shall be created and established an Additional Obligation in the form of a promissory note known as and entitled the "Series 1998 CFC Note" (hereinafter referred to as the "Series 1998 CFC Note"), the form, terms and conditions of which shall be substantially as set forth in this Section and Section 1.2. The aggregate principal face amount of the Series 1998 CFC Note which shall be authenticated and delivered and Outstanding at any one time is limited to $46,065,000. The Series 1998 CFC Note, when duly executed and issued by the Company, authenticated and delivered by the Trustee and purchased by the Holder thereof, will be equally and proportionately secured under the Indenture with all other Outstanding Secured Obligations. The Series 1998 CFC Note shall be dated the date of its authentication. The Series 1998 CFC Note shall mature on March 31, 2003 and shall bear interest from the date of its authentication to the date of its maturity at rates calculated as provided for in the form of note prescribed by Section 1.2. The Series 1998 CFC Note shall be authenticated and delivered to, and made payable to, CFC. All payments made on the Series 1998 CFC Note shall be made to CFC at its principal office in Herndon, Virginia in lawful money of the United States of America which will be immediately available on the date payment is due. SECTION 1.2 FORM OF THE SERIES 1998 CFC NOTE. The Series 1998 CFC Note and the Trustee's authentication certificate to be executed on the Series 1998 CFC Note, shall be substantially in the form of EXHIBIT A attached hereto, with such appropriate insertions, omissions, substitutions and other variations as are required or permitted in the Original Indenture. SECTION 1.3 USE OF PROCEEDS. The Company shall use the proceeds of the loan evidenced by the Series 1998 CFC Note to refund and retire $46,065,000 in aggregate principal amount of the commercial paper used to defease the Series 1992 Bonds. ARTICLE II MISCELLANEOUS SECTION 2.1 The Fifth Supplemental Indenture is executed and shall be construed as an indenture supplemental to the Original Indenture, and shall form a part thereof, and the Original Indenture, as heretofore supplemented and as hereby supplemented and modified, is hereby confirmed. Except to the extent inconsistent with the express terms hereof, all of the provisions, terms, covenants and conditions of the Original Indenture shall be applicable to the Series 1998 CFC Note to the same extent as if specifically set forth herein. All capitalized terms used in this Fifth Supplemental Indenture shall have the same meanings ascribed to them in the Original Indenture, except in cases where the context clearly indicates otherwise. SECTION 2.2 All recitals in this Fifth Supplemental Indenture are made by the Company only and not by the Trustee; and all of the provisions contained in the Original Indenture, in respect of the rights, privileges, immunities, powers and duties of the Trustee shall be applicable in respect hereof as fully and with like effect as if set forth herein in full. SECTION 2.3 Whenever in this Fifth Supplemental Indenture any of the parties hereto is named or referred to, this shall, subject to the provisions of Articles IX and XI of the Original Indenture, be deemed to include the successors and assigns of such party, and all the covenants and agreements in this Fifth Supplemental Indenture contained by or on behalf of the Company, or by or on behalf of the Trustee shall, subject as aforesaid, bind and inure to the respective benefits of the respective successors and assigns of such parties, whether so expressed or not. SECTION 2.4 Nothing in this Fifth Supplemental Indenture, expressed or implied, is intended, or shall be construed, to confer upon, or to give to, any person, firm or corporation, other than the parties hereto and the Holders of the Outstanding Secured Obligations, any right, remedy or claim under or by reason of this Fifth Supplemental Indenture or any covenant, condition, stipulation, promise or agreement hereof, and all the covenants, conditions, stipulations, promises and agreements in this Fifth Supplemental Indenture contained by or on behalf of the Company shall be for the sole and exclusive benefit of the parties hereto, and of the Holders of Outstanding Secured Obligations. SECTION 2.5 This Fifth Supplemental Indenture may be executed in several counterparts, each of such counterparts shall for all purposes be deemed to be an original, and all such counterparts, or as many of them as the Company and the Trustee shall preserve undestroyed, shall together constitute but one and the same instrument. SECTION 2.6 To the extent permitted by applicable law, this Fifth Supplemental Indenture shall be deemed to be a Security Agreement and Financing Statement whereby the Company grants to the Trustee a security interest in all of the Trust Estate that is personal property or fixtures under the Uniform Commercial Code, as adopted or hereafter adopted in one or more of the states in which any part of the properties of the Company are situated. The mailing address of the Company, as debtor is: 2100 East Exchange Place P. O. Box 1349 Tucker, Georgia 30085-1349, and the mailing address of the Trustees, as secured party is: SunTrust Bank, Atlanta, 58 Edgewood Avenue, Room 400A Atlanta, Georgia 30303 [Signatures on Next Page.] IN WITNESS WHEREOF, the parties hereto have caused this Fifth Supplemental Indenture to be duly executed under seal as of the day and year first above written. COMPANY: OGLETHORPE POWER CORPORATION (AN ELECTRIC 2100 East Exchange Place MEMBERSHIP CORPORATION), an electric P. O. Box 1349 membership corporation organized under the Tucker, Georgia 30085-1349 laws of the State of Georgia By: /S/ T. D. KILGORE -------------------------- T. D. Kilgore President and Chief Executive Officer Signed, sealed and delivered Attest: /S/ PATRICIA N. NASH -------------------------- by the Company in the presence of: Patricia N. Nash Secretary /S/ JO ANN SMITH - ---------------------------------- Witness /S/ THOMAS J. BRENDIAR - ---------------------------------- Notary Public [CORPORATE SEAL] (Notarial Seal) My commission expires: NOVEMBER 14, 2000 ------------------ [Signatures Continued on Next Page.] [Signatures Continued from Previous Page.] TRUSTEE: SUNTRUST BANK, ATLANTA a banking corporation organized and existing under the laws of the State of Georgia SunTrust Bank, Atlanta 58 Edgewood Avenue, Room 400A Atlanta, Georgia 30303 By: /S/ PHILIP D. DEMOUEY ---------------------------- Signed, sealed and delivered Name: Philip D. Demouey by the Trustee in the Title: Assistant Vice President presence of: By: /S/ ANTONIO I. PORTUONDO ---------------------------- /S/ BRIAN WOMBLE Name: Antonio I. Portuondo - ---------------------- Title: Vice President Witness /S/ ADA LANE - ---------------------- Notary Public [BANK SEAL] (Notarial Seal) My commission expires: JULY 24, 2001 -------------- EXHIBIT A FORM OF SERIES 1998 CFC NOTE $46,065,000.00 April __, 1998 OGLETHORPE POWER CORPORATION (AN ELECTRIC MEMBERSHIP CORPORATION), a Georgia electric membership corporation (herein called the "Borrower"), for value received promises to pay without deduction, set-off or counterclaim to the order of NATIONAL RURAL UTILITIES COOPERATIVE FINANCE CORPORATION (herein called the "Payee") at the Payee's office Herndon, Virginia, in lawful money of the United States, the principal sum of Forty-Six Million, Sixty-Five Thousand and No/100 Dollars ($46,065,000.00) pursuant to the Loan Agreement dated as of April 1, 1998 between the Borrower and the Payee (herein called the "Loan Agreement"). Advances (as defined in the Loan Agreement) under this Series 1998 CFC Note shall be made in accordance with the Loan Agreement. Borrower shall pay interest only on all Advances for a period of five (5) years from the date hereof, at the interest rate set forth in the Loan Agreement. If not sooner paid, all outstanding Advances under this Series 1998 CFC Note shall be due and payable on March 31, 2003 (the "Maturity Date"), with interest thereon in like money, at the rate or rates and payable at the times provided in the Loan Agreement. This Series 1998 CFC Note is a duly authorized obligation of the Borrower issued under and equally and proportionately secured by the Indenture, dated as of March 1, 1997 (the "Original Indenture"), between the Borrower, as grantor, and SunTrust Bank, Atlanta, as trustee (in such capacity, the "Indenture Trustee"), as heretofore supplemented and as further supplemented by the Fifth Supplemental Indenture, dated as of April 1, 1998 (the "Fifth Supplemental Indenture"), between the Borrower and the Indenture Trustee (the Original Indenture, as supplemented, the "Indenture"). Reference is hereby made to the Indenture for a statement of the description of the properties thereby mortgaged, pledged and assigned, the nature and extent of the security and the respective rights, limitations of rights, duties and immunities thereunder of the Borrower, the Indenture Trustee and the holder of this Series 1998 CFC Note and of the terms upon which this Series 1998 CFC Note is authenticated and delivered. This Series 1998 CFC Note is created by the Fifth Supplemental Indenture and designated as the "Series 1998 CFC Note." The Borrower may, at its option, make prepayments of the principal hereof, in the manner and to the extent provided in the Loan Agreement. Upon the occurrence of an Event of Default under the Indenture, the principal hereof and interest accrued thereon may be declared to be forthwith due and payable in the manner, upon the conditions, and with the effect provided in the Indenture. All remedies shall be enforced pursuant to the terms of the Indenture. No recourse shall be had for the payments required hereby or for any claim based herein or in the Loan Agreement or in the Indenture against any officer, director or member, past, present or future, of the Borrower as such, either directly or through the Borrower, or under any constitution provision, statute or rule of law or by the enforcement of any assessment or by any legal or equitable proceedings or otherwise. This Series 1998 CFC Note shall be entitled to any benefit under the Indenture and shall not become valid or obligatory for any purposes until the Indenture Trustee shall have signed the form of authentication certificate endorsed hereon. This Series 1998 CFC Note shall be governed by and construed in accordance with the laws of the State of Georgia. IN WITNESS WHEREOF the Borrower has caused this Series 1998 CFC Note to be signed in its corporate name and its corporate seal to be hereunto affixed and to be attested by its duly authorized officers. OGLETHORPE POWER CORPORATION (AN ELECTRIC MEMBERSHIP CORPORATION) (SEAL) By: --------------------------------- Title: ----------------------------- Attest: ------------------------- Title: ------------------------- CERTIFICATE OF AUTHENTICATION This is one of the Obligations of the series designated therein referred to in the within-mentioned Indenture. SunTrust Bank, Atlanta, as Trustee By: ------------------------------- Authorized Signatory Loan No.: GA 109-1-9001 Date: