Document:

Exhibit 4(j)

 

	This instrument was prepared by:	 	 
	Paul I. Cutler	 	Executed in 50 counterparts of 
	Florida Power & Light Company	 	which this is counterpart no. 3
	700 Universe Boulevard	 	 
	Juno Beach, Florida 33408	 	 

 

 

  

FLORIDA POWER & LIGHT COMPANY

 

to

 

DEUTSCHE BANK TRUST COMPANY AMERICAS

 

(formerly known as Bankers Trust Company)

 

As Trustee under Florida Power &
Light

Company’s Mortgage and Deed of Trust,

Dated as of January 1, 1944.

 

One Hundred Twenty-Seventh Supplemental
Indenture

 

Relating to $500,000,000 Principal Amount

of First Mortgage Bonds, 4.125% Series

due June 1, 2048

 

Dated as of May 1, 2018

 

 

 

This Supplemental Indenture has been
executed in several counterparts, all of which constitute but one and the same instrument. This Supplemental Indenture has been
recorded in several counties and documentary stamp taxes as required by law in the amount of $1,750,000.00 and non-recurring intangible
taxes as required by law in the amount of $55,492.72 were paid on the Supplemental Indenture recorded in the public records of
Palm Beach County, Florida.

 

Note to Examiner: The new bonds
being issued in connection with this Supplemental Indenture (“New Bonds”) are secured by real property and personal
property located both within Florida and outside of Florida. The aggregate fair market value of the collateral exceeds the
aggregate principal amount of (y) the New Bonds plus (z) the other outstanding bonds secured by the mortgage supplemented hereby
and all previous supplemental indentures thereto. The intangible tax has been computed pursuant to Section 199.133(2), Florida
Statutes, by (i) determining the percentage of the aggregate fair market value of the collateral constituting real property
situated in Florida and by multiplying that percentage times the principal amount of the New Bonds (the result hereinafter defined
as the “Tax Base”) and (ii) multiplying the tax rate times the Tax Base.

 

     

     

    

 

ONE HUNDRED TWENTY-SEVENTH SUPPLEMENTAL
INDENTURE

 

INDENTURE, dated
as of the 1st day of May, 2018, made and entered into by and between Florida Power &
Light Company, a corporation of the State of Florida, whose post office address is 700 Universe Boulevard, Juno Beach, Florida
33408 (hereinafter sometimes called “FPL”), and Deutsche Bank
Trust Company Americas
(formerly known as Bankers Trust Company), a corporation of the State of New York, whose post office address is 60 Wall
Street, 16th Floor, New York, New York 10005 (hereinafter called the “Trustee”), as the one hundred twenty-seventh
supplemental indenture (hereinafter called the “One Hundred Twenty-Seventh Supplemental Indenture”) to the Mortgage
and Deed of Trust, dated as of January 1, 1944 (hereinafter called the “Mortgage”), made and entered
into by FPL, the Trustee and The Florida National Bank of Jacksonville, as Co-Trustee (now resigned), the Trustee now acting as
the sole trustee under the Mortgage, which Mortgage was executed and delivered by FPL to secure the payment of bonds issued or
to be issued under and in accordance with the provisions thereof, reference to which Mortgage is hereby made, this One Hundred
Twenty-Seventh Supplemental Indenture being supplemental thereto;

 

Whereas,
by an instrument, dated as of April 15, 2002, filed with the Banking Department of the State of New York, Bankers Trust Company
effected a corporate name change pursuant to which, effective such date, it is known as Deutsche Bank Trust Company Americas; and

 

Whereas,
FPL has transferred to New Hampshire Transmission, LLC, a Delaware limited liability company, all of FPL’s property
located in the State of New Hampshire that previously was subject to the lien of the Mortgage, and the Trustee by instrument dated
June 29, 2010 (the “Release”) released such property from the lien of the Mortgage, and released and discharged
the supplemental indentures and mortgages recorded in the State of New Hampshire listed on Exhibit B to the Release; and

 

Whereas,
Section 8 of the Mortgage provides that the form of each series of bonds (other than the first series) issued
thereunder shall be established by Resolution of the Board of Directors of FPL and that the form of such series, as established
by said Board of Directors, shall specify the descriptive title of the bonds and various other terms thereof, and may also contain
such provisions not inconsistent with the provisions of the Mortgage as the Board of Directors may, in its discretion, cause to
be inserted therein expressing or referring to the terms and conditions upon which such bonds are to be issued and/or secured under
the Mortgage; and

 

Whereas,
Section 120 of the Mortgage provides, among other things, that any power, privilege or right expressly or impliedly
reserved to or in any way conferred upon FPL by any provision of the Mortgage, whether such power, privilege or right is in any
way restricted or is unrestricted, may be in whole or in part waived or surrendered or subjected to any restriction if at the time
unrestricted or to additional restriction if already restricted, and FPL may enter into any further covenants, limitations or restrictions
for the benefit of any one or more series of bonds issued thereunder, or FPL may cure any ambiguity contained therein, or in any
supplemental indenture, or may establish the terms and provisions of any series of bonds other than said first series, by an instrument
in writing executed and acknowledged by FPL in such manner as would be necessary to entitle a conveyance of real estate to be recorded
in all of the states in which any property at the time subject to the Lien of the Mortgage shall be situated; and

 

    	 	- 1 -	 

     

    

 

Whereas,
FPL now desires to create the series of bonds described in Article I hereof and to add to its covenants and
agreements contained in the Mortgage certain other covenants and agreements to be observed by it and to alter and amend in certain
respects the covenants and provisions contained in the Mortgage; and

 

Whereas,
the execution and delivery by FPL of this One Hundred Twenty-Seventh Supplemental Indenture, and the terms of the bonds, hereinafter
referred to in Article I, have been duly authorized by the Board of Directors of FPL by appropriate resolutions
of said Board of Directors;

 

Now,
Therefore, This Indenture Witnesseth: That FPL, in consideration of the premises and of One Dollar to it duly paid by the
Trustee at or before the ensealing and delivery of these presents, the receipt whereof is hereby acknowledged, and in further evidence
of assurance of the estate, title and rights of the Trustee and in order further to secure the payment of both the principal of
and interest and premium, if any, on the bonds from time to time issued under the Mortgage, according to their tenor and effect,
and the performance of all the provisions of the Mortgage (including any instruments supplemental thereto and any modification
made as in the Mortgage provided) and of said bonds, hereby grants, bargains, sells, releases, conveys, assigns, transfers, mortgages,
pledges, sets over and confirms (subject, however, to Excepted Encumbrances as defined in Section 6 of the Mortgage)
unto Deutsche Bank Trust Company Americas, as Trustee under the Mortgage, and to its successor or successors in said trust, and
to said Trustee and its successors and assigns forever, all property, real, personal and mixed, acquired by FPL after the date
of the execution and delivery of the Mortgage (except any herein or in the Mortgage, as heretofore supplemented, expressly excepted),
now owned (except any properties heretofore released pursuant to any provisions of the Mortgage and in the process of being sold
or disposed of by FPL) or, subject to the provisions of Section 87 of the Mortgage, hereafter acquired by FPL
and wheresoever situated, including (without in anywise limiting or impairing by the enumeration of the same the scope and intent
of the foregoing) all lands, power sites, flowage rights, water rights, water locations, water appropriations, ditches, flumes,
reservoirs, reservoir sites, canals, raceways, dams, dam sites, aqueducts, and all rights or means for appropriating, conveying,
storing and supplying water; all rights of way and roads; all plants for the generation of electricity by steam, water and/or other
power; all power houses, gas plants, street lighting systems, standards and other equipment incidental thereto, telephone, radio
and television systems, air-conditioning systems and equipment incidental thereto, water works, water systems, steam heat and hot
water plants, substations, lines, service and supply systems, bridges, culverts, tracks, ice or refrigeration plants and equipment,
offices, buildings and other structures and the equipment thereof; all machinery, engines, boilers, dynamos, electric, gas and
other machines, regulators, meters, transformers, generators, motors, electrical, gas and mechanical appliances, conduits, cables,
water, steam heat, gas or other pipes, gas mains and pipes, service pipes, fittings, valves and connections, pole and transmission
lines, wires, cables, tools, implements, apparatus, furniture, chattels, and choses in action; all municipal and other franchises,
consents or permits; all lines for the transmission and distribution of electric current, gas, steam heat or water for any purpose
including towers, poles, wires, cables, pipes, conduits, ducts and all apparatus for use in connection therewith; all real estate,
lands, easements, servitudes, licenses, permits, franchises, privileges, rights of way and other rights in or relating to real
estate or the occupancy of the same and (except as herein or in the Mortgage, as heretofore supplemented, expressly excepted) all
the right, title and interest of FPL in and to all other property of any kind or nature appertaining to and/or used and/or occupied
and/or enjoyed in connection with any property hereinbefore or in the Mortgage, as heretofore supplemented, described.

 

    	 	- 2 -	 

     

    

 

Together
With all and singular the tenements, hereditaments and appurtenances belonging or in anywise appertaining to the aforesaid
property or any part thereof, with the reversion and reversions, remainder and remainders and (subject to the provisions of Section 57
of the Mortgage) the tolls, rents, revenues, issues, earnings, income, products and profits thereof, and all the estate, right,
title and interest and claim whatsoever, at law as well as in equity, which FPL now has or may hereinafter acquire in and to the
aforesaid property and franchises and every part and parcel thereof.

 

It
Is Hereby Agreed by FPL that, subject to the provisions of Section 87 of the Mortgage, all the property, rights,
and franchises acquired by FPL after the date hereof (except any herein or in the Mortgage, as heretofore supplemented, expressly
excepted) shall be and are as fully granted and conveyed hereby and as fully embraced within the Lien of the Mortgage, as if such
property, rights and franchises were now owned by FPL and were specifically described herein and conveyed hereby.

 

Provided
that the following are not and are not intended to be now or hereafter granted, bargained, sold, released, conveyed, assigned,
transferred, mortgaged, pledged, set over or confirmed hereunder and are hereby expressly excepted from the Lien and operation
of this One Hundred Twenty-Seventh Supplemental Indenture and from the Lien and operation of the Mortgage, as heretofore supplemented,
viz: (1) cash, shares of stock, bonds, notes and other obligations and other securities not hereafter specifically pledged,
paid, deposited, delivered or held under the Mortgage or covenanted so to be; (2) merchandise, equipment, materials or supplies
held for the purpose of sale in the usual course of business and fuel (including Nuclear Fuel unless expressly subjected to the
Lien and operation of the Mortgage by FPL in a future supplemental indenture), oil and similar materials and supplies consumable
in the operation of any properties of FPL; rolling stock, buses, motor coaches, automobiles and other vehicles; (3) bills,
notes and accounts receivable, and all contracts, leases and operating agreements not specifically pledged under the Mortgage or
covenanted so to be; (4) the last day of the term of any lease or leasehold which may hereafter become subject to the Lien
of the Mortgage; (5) electric energy, gas, ice, and other materials or products generated, manufactured, produced or purchased
by FPL for sale, distribution or use in the ordinary course of its business; all timber, minerals, mineral rights and royalties;
(6) FPL’s franchise to be a corporation; and (7) the properties already sold or in the process of being sold by
FPL and heretofore released from the Mortgage and Deed of Trust, dated as of January 1, 1926, from Florida Power &
Light Company to Bankers Trust Company and The Florida National Bank of Jacksonville, trustees, and specifically described in three
separate releases executed by Bankers Trust Company and The Florida National Bank of Jacksonville, dated July 28, 1943,
October 6, 1943 and December 11, 1943, which releases have heretofore been delivered by the said trustees to
FPL and recorded by FPL among the Public Records of all Counties in which such properties are located; provided,
however, that the property and rights expressly excepted from the Lien and operation of the Mortgage in the above
subdivisions (2) and (3) shall (to the extent permitted by law) cease to be so excepted in the event and as of the date that the
Trustee or a receiver or trustee shall enter upon and take possession of the Mortgaged and Pledged Property in the manner provided
in Article XIII of the Mortgage by reason of the occurrence of a Default as defined in Section 65
thereof.

 

    	 	- 3 -	 

     

    

 

To
Have And To Hold all such properties, real, personal and mixed, granted, bargained, sold, released, conveyed, assigned,
transferred, mortgaged, pledged, set over or confirmed by FPL as aforesaid, or intended so to be, unto Deutsche Bank Trust Company
Americas, the Trustee, and its successors and assigns forever.

 

In
Trust Nevertheless, for the same purposes and upon the same terms, trusts and conditions and subject to and with the same
provisos and covenants as are set forth in the Mortgage, as heretofore supplemented, this One Hundred Twenty-Seventh Supplemental
Indenture being supplemental thereto.

 

And
It Is Hereby Covenanted by FPL that all terms, conditions, provisos, covenants and provisions contained in the Mortgage
shall affect and apply to the property hereinbefore described and conveyed and to the estate, rights, obligations and duties of
FPL and the Trustee and the beneficiaries of the trust with respect to said property, and to the Trustee and its successors as
Trustee of said property in the same manner and with the same effect as if said property had been owned by FPL at the time of the
execution of the Mortgage, and had been specifically and at length described in and conveyed to said Trustee, by the Mortgage as
a part of the property therein stated to be conveyed.

 

FPL further covenants and
agrees to and with the Trustee and its successors in said trust under the Mortgage, as follows:

 

    	 	- 4 -	 

     

    

 

ARTICLE I

One Hundred Twenty-Fourth Series of Bonds

 

Section 1.(I) There
shall be a series of bonds designated “4.125% Series due June 1, 2048”, herein sometimes referred to as the “One
Hundred Twenty-Fourth Series”, each of which shall also bear the descriptive title First Mortgage Bond, and the form
thereof, which shall be established by Resolution of the Board of Directors of FPL, shall contain suitable provisions with respect
to the matters hereinafter in this Section specified. Bonds of the One Hundred Twenty-Fourth Series shall mature on June 1, 2048
and shall be issued as fully registered bonds in denominations of Two Thousand Dollars and, at the option of FPL, in integral multiples
of One Thousand Dollars in excess thereof (the exercise of such option to be evidenced by the execution and delivery thereof);
they shall bear interest at the rate of 4.125% per annum, payable semi-annually on June 1 and December 1 of each year
(each an “Interest Payment Date”) commencing on December 1, 2018; the principal of and interest on each
said bond to be payable at the office or agency of FPL in the Borough of Manhattan, The City of New York, in such coin or currency
of the United States of America as at the time of payment is legal tender for public and private debts. Bonds of the One Hundred
Twenty-Fourth Series shall be dated as in Section 10 of the Mortgage provided. The record date for payments
of interest on any Interest Payment Date shall be the close of business on (1) the Business Day (as defined below) immediately
preceding such Interest Payment Date so long as all of the bonds of the One Hundred Twenty-Fourth Series are held by a securities
depository in book-entry only form or (2) the 15th calendar day immediately preceding such Interest Payment Date if any of
the bonds of the One Hundred Twenty-Fourth Series are not held by a securities depository in book-entry only form. Interest on
the bonds of the One Hundred Twenty-Fourth Series will accrue from and including May 8, 2018 to but excluding December 1, 2018
and, thereafter, from and including the last Interest Payment Date to which interest has been paid or duly provided for (and if
no interest has been paid on the bonds of the One Hundred Twenty-Fourth Series, from May 8, 2018) to but excluding the next succeeding
Interest Payment Date. No interest will accrue on a bond of the One Hundred Twenty-Fourth Series for the day on which such bond
matures. The amount of interest payable for any period will be computed on the basis of a 360-day year consisting of twelve 30-day
months. The amount of interest payable for any period shorter than a full semi-annual period for which interest is computed will
be computed on the basis of the number of days in the period using 30-day calendar months. If any date on which interest, principal
or premium is payable on the bonds of the One Hundred Twenty-Fourth Series falls on a day that is not a Business Day, then payment
of the interest, principal or premium payable on that date will be made on the next succeeding day which is a Business Day, and
without any interest or other payment in respect of such delay. A “Business Day” is any day that is not a Saturday,
a Sunday, or a day on which banking institutions or trust companies in New York City are generally authorized or required by law
or executive order to remain closed.

 

(II)       Bonds
of the One Hundred Twenty-Fourth Series shall be redeemable either at the option of FPL or pursuant to the requirements of the
Mortgage (including, among other requirements, the application of cash delivered to or deposited with the Trustee pursuant to the
provisions of Section 64 of the Mortgage or with proceeds of Released Property) in whole at any time, or in part
from time to time, prior to maturity of the bonds of the One Hundred Twenty-Fourth Series, upon notice as provided in Section 52
of the Mortgage (the “Redemption Notice”), mailed at least thirty (30) days prior to the date fixed for redemption
(the “Redemption Date”), at the applicable price (the “Redemption Price”) described below.
If FPL redeems all or any part of the bonds of the One Hundred Twenty-Fourth Series at any time prior to December 1, 2047,
the Redemption Price will equal the sum of (i) 100% of the principal amount thereof plus (ii) accrued and unpaid interest thereon,
if any, to but excluding the Redemption Date, plus (iii) a premium, if any (the “Make-Whole Premium”). In no
event will the Redemption Price be less than 100% of the principal amount of the bonds of the One Hundred Twenty-Fourth Series
being redeemed plus accrued and unpaid interest thereon, if any, to but excluding the Redemption Date.

 

The amount of the Make-Whole
Premium with respect to any bond of the One Hundred Twenty-Fourth Series (or portion thereof) to be redeemed will be equal to the
excess, if any, of:

 

		(1)	the sum of the present values, calculated as of the Redemption Date, of:

 

		a.	each interest payment that, but for such redemption, would have been payable on the bond of the
One Hundred Twenty-Fourth Series (or portion thereof) being redeemed on each Interest Payment Date occurring after the Redemption
Date that would be payable if such bond of the One Hundred Twenty-Fourth Series (or portion thereof) matured on December 1,
2047 (excluding any interest accruing (i) from and including the last Interest Payment Date preceding the Redemption Date as of
which all then-accrued interest was paid (ii) to but excluding the Redemption Date); and

 

    	 	- 5 -	 

     

    

 

		b.	the principal amount that, but for such redemption, would have been payable at the final maturity
of the bond of the One Hundred Twenty-Fourth Series (or portion thereof) being redeemed; over

 

		(2)	the principal amount of the bond of the One Hundred Twenty-Fourth Series (or portion thereof) being
redeemed.

 

The present values of interest
and principal payments referred to in clause (1) above will be determined in accordance with generally accepted principles of financial
analysis. Such present values will be calculated by discounting the amount of each payment of interest or principal from the date
that each such payment would have been payable, but for the redemption, to but excluding the Redemption Date at a discount rate
equal to the Treasury Yield (as defined below) plus 15 basis points.

 

If FPL redeems all or any
part of the bonds of the One Hundred Twenty-Fourth Series at any time on or after December 1, 2047, the Redemption Price will be
100% of the principal amount thereof plus accrued and unpaid interest thereon, if any, to but excluding the Redemption Date.

 

FPL will appoint an independent
investment banking institution of national standing to calculate the Make-Whole Premium when and as applicable; provided
that if FPL fails to make such appointment at least thirty (30) days prior to the Redemption Date, or if the institution so appointed
is unwilling or unable to make such calculation, such calculation will be made by BNP Paribas Securities Corp., Credit Suisse Securities
(USA) LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated or Morgan Stanley & Co. LLC if such firms are unwilling or
unable to make such calculation, by an independent investment banking institution of national standing appointed by the Trustee
in consultation with, and at the expense of, FPL (in any such case, an “Independent Investment Banker”).

 

For purposes of determining
the Make-Whole Premium, “Treasury Yield” means a rate of interest per annum equal to the weekly average yield
to maturity of United States Treasury Notes that have a constant maturity that corresponds to the remaining term to maturity of
the bonds of the One Hundred Twenty-Fourth Series to be redeemed (assuming for this purpose that the bonds of the One Hundred Twenty-Fourth
Series mature on December 1, 2047), in each case calculated to the nearest 1/12th of a year (the “Remaining Term”).
The Independent Investment Banker will determine the Treasury Yield as of the third Business Day immediately preceding the applicable
Redemption Date.

 

    	 	- 6 -	 

     

    

 

The Independent Investment
Banker will determine the weekly average yields of United States Treasury Notes by reference to the most recent statistical release
published by the Federal Reserve Bank of New York and designated “H.15(519) Selected Interest Rates” or any successor
release (the “H.15 Statistical Release”). If the H.15 Statistical Release sets forth a weekly average yield
for the United States Treasury Notes having a constant maturity that is the same as the Remaining Term, then the Treasury Yield
will be equal to such weekly average yield. In all other cases, the Independent Investment Banker will calculate the Treasury Yield
by interpolation, on a straight-line basis, between the weekly average yields on the United States Treasury Notes that have a constant
maturity closest to and greater than the Remaining Term and the United States Treasury Notes that have a constant maturity closest
to and less than the Remaining Term (in each case as set forth in the H.15 Statistical Release). The Independent Investment
Banker will round any weekly average yields so calculated to the nearest 1/100th of 1%, and will round upward for any figure of
1/200th of 1% or above. If weekly average yields for United States Treasury Notes are not available in the H.15 Statistical
Release or otherwise, then the Independent Investment Banker will select comparable rates and calculate the Treasury Yield by reference
to those rates.

 

(III)       At
the option of the registered owner, any bonds of the One Hundred Twenty-Fourth Series, upon surrender thereof for exchange at the
office or agency of FPL in the Borough of Manhattan, The City of New York, together with a written instrument of transfer wherever
required by FPL, duly executed by the registered owner or by his duly authorized attorney, shall (subject to the provisions of
Section 12 of the Mortgage) be exchangeable for a like aggregate principal amount of bonds of the same series
of other authorized denominations.

 

Bonds of the One Hundred
Twenty-Fourth Series shall be transferable (subject to the provisions of Section 12 of the Mortgage) at the
office or agency of FPL in the Borough of Manhattan, The City of New York.

 

Upon any exchange or transfer
of bonds of the One Hundred Twenty-Fourth Series, FPL may make a charge therefor sufficient to reimburse it for any tax or taxes
or other governmental charge, as provided in Section 12 of the Mortgage, but FPL hereby waives any right to make
a charge in addition thereto for any exchange or transfer of bonds of the One Hundred Twenty-Fourth Series.

 

ARTICLE II

Dividend Covenant

 

Section 2.Section
3 of the Third Supplemental Indenture, as heretofore amended, is hereby further amended by inserting the words “or
One Hundred Twenty-Fourth Series” immediately before the words “remain Outstanding”.

 

ARTICLE III

Miscellaneous Provisions

 

Section 3. Subject
to the amendments provided for in this One Hundred Twenty-Seventh Supplemental Indenture, the terms defined in the Mortgage, as
heretofore supplemented, shall, for all purposes of this One Hundred Twenty-Seventh Supplemental Indenture, have the meanings specified
in the Mortgage, as heretofore supplemented.

 

Section 4. The holders
of bonds of the One Hundred Twenty-Fourth Series consent that FPL may, but shall not be obligated to, fix a record date for the
purpose of determining the holders of bonds of the One Hundred Twenty-Fourth Series entitled to consent to any amendment, supplement
or waiver. If a record date is fixed, those persons who were holders at such record date (or their duly designated proxies), and
only those persons, shall be entitled to consent to such amendment, supplement or waiver or to revoke any consent previously given,
whether or not such persons continue to be holders after such record date. No such consent shall be valid or effective for more
than ninety (90) days after such record date.

 

    	 	- 7 -	 

     

    

  

Section 5. The Trustee
hereby accepts the trust herein declared, provided, created or supplemented and agrees to perform the same upon the terms and conditions
herein and in the Mortgage, as heretofore supplemented, set forth and upon the following terms and conditions:

 

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

 

Section 6. Whenever
in this One Hundred Twenty-Seventh Supplemental Indenture either of the parties hereto is named or referred to, this shall, subject
to the provisions of Articles XVI and XVII of the Mortgage, as heretofore amended, be deemed to include the successors
and assigns of such party, and all the covenants and agreements in this One Hundred Twenty-Seventh Supplemental Indenture contained
by or on behalf of FPL, or by or on behalf of the Trustee, or either of them, 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 7. Nothing
in this One Hundred Twenty-Seventh 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 bonds and coupons Outstanding
under the Mortgage, any right, remedy or claim under or by reason of this One Hundred Twenty-Seventh Supplemental Indenture or
any covenant, condition, stipulation, promise or agreement hereof, and all the covenants, conditions, stipulations, promises and
agreements in this One Hundred Twenty-Seventh Supplemental Indenture contained by or on behalf of FPL shall be for the sole
and exclusive benefit of the parties hereto, and of the holders of the bonds and coupons Outstanding under the Mortgage.

 

Section 8. The Mortgage,
as heretofore supplemented and amended and as supplemented hereby, is intended by the parties hereto, as to properties now or hereafter
encumbered thereby and located within the States of Florida and Georgia, to operate and is to be construed as granting a lien only
on such properties and not as a deed passing title thereto.

 

Section 9. This One
Hundred Twenty-Seventh Supplemental Indenture shall be executed in several counterparts, each of which shall be an original and
all of which shall constitute but one and the same instrument.

 

    	 	- 8 -	 

     

    

 

In
Witness Whereof, FPL has caused its corporate name to be hereunto affixed, and this instrument to be signed and sealed by
its President or one of its Vice Presidents, and its corporate seal to be attested by its Secretary or one of its Assistant Secretaries
for and in its behalf, and Deutsche Bank Trust Company Americas has caused its corporate
name to be hereunto affixed, and this instrument to be signed and sealed by one or more of its Vice Presidents or Assistant Vice
Presidents, and its corporate seal to be attested by one of its Vice Presidents, Assistant Vice Presidents, one of its Assistant
Secretaries or one of its Associates, all as of the day and year first above written.

 

    	 	- 9 -	 

     

    

 

	 	Florida Power & Light Company

 

	 	By:	/s/ Kimberly Ousdahl
	 	 	      Kimberly Ousdahl

	 	Vice President and Chief Accounting Officer

 

Attest:

 

	/s/ Charlotte B. Anderson	 
	Charlotte B. Anderson	 
	Assistant Secretary	 

 

Executed, sealed and delivered by

    Florida Power & Light
Company

    in the presence of:

 

	/s/ Dennise Calderon-Barrera	 
	 	 
	/s/ Destin Cook	 

 

     

     

    

 

	 	Deutsche Bank Trust Company Americas
	 	As Trustee                                   

 

	 	By:	/s/ Carol Ng
	 	 	Carol Ng
	 	 	Vice President
	 	 	
        60 Wall Street, 16th Floor

        New York, NY 10005

 

	 	By:	/s/ James Briggs
	 	 	James Briggs
	 	 	Vice President
	 	 	
        60 Wall Street, 16th Floor

        New York, NY 10005

  

Attest:

 

	/s/ Scott Dodic	 
	Scott Dodic	 
	Assistant Vice President	 
	
        60 Wall Street, 16th Floor

        New York, NY 10005
	 

 

Executed, sealed and delivered by

    Deutsche Bank
Trust Company Americas

    in the presence of:

 

	/s/ Hafsa Zahiri	 
	Hafsa Zahiri	 
	 	 
	/s/ Nigel Luke	 
	Nigel Luke	 

 

     

     

    

 

	
        State
        of Florida

        County
        of Palm Beach
	}	
         

        SS:

 

On the 4th day of May,
in the year 2018 before me personally came Kimberly Ousdahl, to me known, who, being by me duly sworn, did depose and say that
she is the Vice President and Chief Accounting Officer of Florida Power & Light Company,
one of the corporations described in and which executed the above instrument; that she knows the seal of said corporation; that
the seal affixed to said instrument is such corporate seal; that it was so affixed by order of the Board of Directors of said corporation,
and that she signed her name thereto by like order.

 

I
Hereby Certify, that on this 4th day of May, 2018, before me personally appeared Kimberly Ousdahl and Charlotte B. Anderson,
respectively, the Vice President and Chief Accounting Officer and an Assistant Secretary of Florida
Power & Light Company, a corporation under the laws of the State of Florida, to me known to be the persons described
in and who executed the foregoing instrument and severally acknowledged the execution thereof to be their free act and deed as
such officers, for the uses and purposes therein mentioned; and that they affixed thereto the official seal of said corporation,
and that said instrument is the act and deed of said corporation.

 

Witness
my signature and official seal at Juno Beach, in the County of Palm Beach, and State of Florida, the day and year last aforesaid.

 

	 	/s/ Cassandra Kelly
	 	Notary Public – State of Florida

 

Notary Public State
of Florida

Cassandra A Kelly

My Commission FF
124846

Expires 05/20/2018

 

     

     

    

 

	
        

        State
        of  New York

        County
of New York
	}	
         

        SS:

 

On the 1st day of May in
the year 2018, before me personally came Carol Ng and James Briggs, to me known, who, being by me duly sworn, did depose and say
that they are respectively a Vice President and a Vice President of Deutsche Bank Trust
Company Americas, one of the corporations described in and which executed the above instrument; that they know the seal
of said corporation; that the seal affixed to said instrument is such corporate seal; that it was so affixed by order of the Board
of Directors of said corporation, and that they signed their names thereto by like order.

 

I
Hereby Certify, that on this 1st day of May, 2018, before me personally appeared Carol Ng, James Briggs and Scott Dodic,
respectively, a Vice President, a Vice President and an Assistant Vice President of Deutsche
Bank Trust Company Americas, a corporation under the laws of the State of New York, to me known to be the persons described
in and who executed the foregoing instrument and severally acknowledged the execution thereof to be their free act and deed as
such officers, for the uses and purposes therein mentioned; and that they affixed thereto the official seal of said corporation,
and that said instrument is the act and deed of said corporation.

 

Witness
my signature and official seal at New York, in the County of New York, and State of New York, the day and year last aforesaid.

 

	 	/s/ Peter F. Bono
	 	Notary Public – State of New York

 

	 	Peter F. Bono
	 	Notary Public-State of New York
	 	No. 01B06372994
	 	Qualified in New York County
	 	My Commission Expires 04-02-2022Exhibit 4(k)

 

	 	
        Executed in 45 counterparts
        of

        which this is counterpart no. 3

 

This instrument was prepared by:

Paul I. Cutler

Florida Power & Light Company

700 Universe Boulevard

Juno Beach, Florida 33408

 

 

 

FLORIDA POWER & LIGHT COMPANY

 

to

 

DEUTSCHE BANK TRUST COMPANY AMERICAS

 

(formerly known as Bankers Trust Company)

 

As Trustee under Florida Power &
Light

Company’s Mortgage and Deed of Trust,

Dated as of January 1, 1944.

 

One Hundred Twenty-Eighth Supplemental
Indenture

 

Relating to the Modification of
the Mortgage

 

Dated as of June 15, 2018

 

 

 

There is no additional indebtedness
being incurred in connection with the recording of this Supplemental Indenture. Under Sections 201.08(4) and 199.133(1), Florida
Statutes, respectively, no Documentary Stamp Tax or Intangible Personal Property Tax is payable.

 

     

     

    

 

ONE HUNDRED TWENTY-EIGHTH SUPPLEMENTAL
INDENTURE

 

INDENTURE, dated
as of the 15th day of June, 2018, made and entered into by and between Florida Power &
Light Company, a corporation of the State of Florida, whose post office address is 700 Universe Boulevard, Juno Beach, Florida
33408 (hereinafter sometimes called “FPL”), and Deutsche Bank
Trust Company Americas
(formerly known as Bankers Trust Company), a corporation of the State of New York, whose post office address is 60 Wall
Street, 16th Floor, New York, New York 10005 (hereinafter called the “Trustee”), as the one hundred twenty-eighth
supplemental indenture (hereinafter called the “One Hundred Twenty-Eighth Supplemental Indenture”) to the Mortgage
and Deed of Trust, dated as of January 1, 1944 (as heretofore amended and supplemented, hereinafter called the “Mortgage”),
made and entered into by FPL, the Trustee and The Florida National Bank of Jacksonville, as Co-Trustee (now resigned), the Trustee
now acting as the sole trustee under the Mortgage, which Mortgage was executed and delivered by FPL to secure the payment of bonds
issued or to be issued under and in accordance with the provisions thereof, reference to which Mortgage is hereby made, this One
Hundred Twenty-Eighth Supplemental Indenture being supplemental thereto;

 

Whereas,
by an instrument, dated as of April 15, 2002, filed with the Banking Department of the State of New York, Bankers Trust Company
effected a corporate name change pursuant to which, effective such date, it is known as Deutsche Bank Trust Company Americas; and

 

Whereas,
FPL has transferred to New Hampshire Transmission, LLC, a Delaware limited liability company, all of FPL’s property
located in the State of New Hampshire that previously was subject to the lien of the Mortgage, and the Trustee by instrument dated
June 29, 2010 (the “Release”) released such property from the lien of the Mortgage, and released and discharged
the supplemental indentures and mortgages recorded in the State of New Hampshire listed on Exhibit B to the Release; and

 

Whereas,
Section 120 of the Mortgage provides, among other things, that any power, privilege or right expressly or impliedly
reserved to or in any way conferred upon FPL by any provision of the Mortgage, whether such power, privilege or right is in any
way restricted or is unrestricted, may be in whole or in part waived or surrendered or subjected to any restriction if at the time
unrestricted or to additional restriction if already restricted, and FPL may enter into any further covenants, limitations or restrictions
for the benefit of any one or more series of bonds issued thereunder, or FPL may cure any ambiguity contained therein, or in any
supplemental indenture, or may establish the terms and provisions of any series of bonds other than said first series, by an instrument
in writing executed and acknowledged by FPL in such manner as would be necessary to entitle a conveyance of real estate to be recorded
in all of the states in which any property at the time subject to the Lien of the Mortgage shall be situated; and

 

Whereas,
FPL now desires to add to its covenants and agreements contained in the Mortgage certain other covenants and agreements to be observed
by it and to alter and amend in certain respects the covenants and provisions contained in the Mortgage, none of which require
the consent of any bondholder; and

 

     

     

    

 

Whereas,
the execution and delivery by FPL of this One Hundred Twenty-Eighth Supplemental Indenture have been duly authorized by the Board
of Directors of FPL by appropriate resolutions of said Board of Directors;

 

Now,
Therefore, This Indenture Witnesseth: That FPL, in consideration of the premises and of One Dollar to it duly paid by the
Trustee at or before the ensealing and delivery of these presents, the receipt whereof is hereby acknowledged, covenants and agrees
to and with the Trustee and its successors in said trust under the Mortgage, as follows:

 

ARTICLE I

Amendments to the Mortgage

 

Section 1.Change
to Majority Consent for Amendments. Pursuant to the reservation of right in Section 2 of the Eightieth Supplemental
Indenture, dated as of May 1, 1992, and there being no Outstanding bonds of any series created prior to the Eighty-first Series,
FPL hereby amends Sections 112, 113 and 116 of the Mortgage to read as set forth in Section 2 of such
Eightieth Supplemental Indenture; provided that, to cure an ambiguity in such Eightieth Supplemental Indenture pursuant
to Section 120 of the Mortgage, the words “duly adopted by” in Section 113 shall be changed
to “duly adopted (a) by”.

 

Section 2. Change
Permitting Certain Easements, Leases and Rights of Way. Pursuant to the reservation of right in Section 1 of
the Seventy-fourth Supplemental Indenture, dated as of July 2, 1991, and there being no Outstanding bonds of any series created
prior to such Supplemental Indenture, FPL hereby amends Sections 6 and 58 of the Mortgage as set forth in Section
1 of such Seventy-fourth Supplemental Indenture.

 

Section 3.Change
to Publication Requirements upon Trustee Resignation. Pursuant to the reservations of right in Sections 3 and 4
of the Fifty-first Supplemental Indenture, dated as of January 1, 1984, and there being no Outstanding bonds of any series created
prior to the Fifty-first Series, FPL hereby amends Sections 101 and 99 of the Mortgage as set forth in Sections
3 and 4 of such Fifty-first Supplemental Indenture, respectively.

 

Section 4.New
Definitions. To cure certain ambiguities in the Mortgage pursuant to Section 120 of the Mortgage, FPL hereby
amends:

 

		1.	Section 2 of the Mortgage by adding the following definitions before the definition
of “the Company” reading as follows:

 

The term “capital
stock” shall mean the common stock and any preferred stock and any preference stock issued by an entity.

 

The terms “Common
Stock” and “common stock” shall mean the class of stock, shares or other ownership interests in the issuer thereof
howsoever evidenced (including, without limitation, limited liability company membership interests) that has ordinary voting power
for the election of directors, managers or trustees (or other persons performing similar functions) of the issuer, as applicable,
provided that preference stock and preferred stock, even if it has such ordinary voting power, shall not be considered common stock.

 

    -2- 

     

    

 

		2.	Section 2 of the Mortgage by adding the following definitions after the definition
of “the Company” reading as follows:

 

The terms “Corporation”
and “corporation” shall mean a corporation, association, company (including, without limitation, limited liability
company) or business trust, and references to “corporate” and other derivations of “corporation” herein
shall be deemed to include appropriate derivations of such entities.

 

The term “director”
shall mean any director, manager, trustee or other person performing similar functions for a corporation.

 

		3.	Section 2 of the Mortgage by adding a definition of “officer” before
the definition of “Outstanding” reading as follows:

 

The term “officer”
shall mean any officer, manager, trustee or other person performing similar functions for a corporation.

 

		4.	Section 2 of the Mortgage by adding the following definitions after the definition
of “Outstanding” reading as follows:

 

The terms “Preference
Stock,” “preference stock,” “Preferred Stock” and “preferred stock” shall mean any class
of stock, shares or other ownership interests in the issuer thereof howsoever evidenced (including, without limitation, limited
liability company membership interests), whether with or without voting rights, that is entitled to dividends or distributions
prior to the payment of dividends or distributions with respect to common stock.

 

The term “stockholders”
shall mean the owners of any capital stock of a corporation and shall include any members and other owners of ownership interests
in limited liability companies or other corporations.

and

 

		5.	Section 3 of the Mortgage by adding a definition of “Board of Directors”
before the definition of “Resolution” reading as follows:

 

The term “Board
of Directors” shall mean the board of directors, the board of managers or the equivalent governing body of an entity, or
any committee, corporation, individual or group of individuals duly authorized to act for such entity in respect of matters relating
to this Indenture.

 

    -3- 

     

    

 

ARTICLE II

Reservations of Rights to Amend the Mortgage

 

Section 5.Delete
Requirement for a Resolution for Releases. FPL reserves the right, without any vote, consent or other action by the holders
of bonds of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage,
as hereby amended, to amend subdivision (1) of Section 59 of the Mortgage to read as follows:

 

(1) a
written request signed by an officer of the Company describing in reasonable detail the property to be released and requesting
such release;

 

Section 6.Delete
Requirement for Sale or Disposition of Released Property. FPL reserves the right, without any vote, consent or other action
by the holders of bonds of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend
the Mortgage, as hereby amended, to amend clause (a) of subdivision (3) of Section 59 of the Mortgage to read as
follows:

 

(a) that
the Company has decided to release from the Lien hereof the property to be released;

 

Section 7.Add
Release Provision for Unfunded Property. FPL reserves the right, without any vote, consent or other action by the holders of
bonds of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as
hereby amended, to amend Section 60 of the Mortgage by inserting “(I)” before the word “Unless”
in the first line thereof, and by adding a subsection (II) at the end of Section 60 to read substantially as follows:

 

(II) Unless
the Company is in default in the payment of the interest on any bonds then Outstanding hereunder or one or more of the Defaults
defined in Section 65 hereof shall have occurred and be continuing, the Company may obtain the release of any of the Mortgaged
and Pledged Property that is not Funded Property, except cash then held by the Corporate Trustee (provided, however, that Qualified
Lien Bonds deposited with the Corporate Trustee shall not be released or surrendered except as provided in Article IX hereof and
obligations secured by purchase money mortgage deposited with the Corporate Trustee shall not be released except as provided in
Section 61 hereof), and the Corporate Trustee and any other Trustee shall release all the right, title and interest of the Trustees
in and to the same from the Lien hereof upon application of the Company and receipt by the Corporate Trustee of the following (in
lieu of complying with the requirements of Section 59 hereof):

 

(1)       an
Officers’ Certificate complying with the requirements of Section 121 hereof and describing in reasonable detail the property
to be released and requesting such release, and stating:

 

(a)       that
the Company is not in default in the payment of interest on any bonds then Outstanding hereunder and that no Default has occurred
and is continuing;

 

    -4- 

     

    

 

(b)       that
the Company has decided to release from the Lien hereof the property to be released;

 

(c)       that
the property to be released is not Funded Property;

 

(d)       that
(except in any case where a governmental body or agency has exercised a right to order the Company to divest itself of such property)
such release is in the opinion of the signers desirable in the conduct of the business of the Company; and

 

(e)       the
amount of cash and/or principal amount of obligations secured by purchase money mortgage received or to be received for any portion
of said property sold to any Federal, State, County, Municipal or other governmental bodies or agencies or public or semi-public
corporations, districts, or authorities;

 

(2)       an
Engineer’s Certificate, made and dated not more than ninety (90) days prior to the date of such application, stating:

 

(a)       the
fair value, in the opinion of the signers, of the property (or securities) to be released;

 

(b)       that
in the opinion of the signers such release will not impair the security under this Indenture in contravention of the provisions
hereof; and

 

(c)       that
the Company has Property Additions constituting property that is not Funded Property (not including the Property Additions then
being released) of a Cost or fair value to the Company (whichever is less) of not less than one dollar ($1) (after making any deductions
and any additions pursuant to the provisions of Section 4(II) hereof) after deducting the Cost of the property then being released;

 

(3)       an
Opinion of Counsel complying with the requirements of Section 121 hereof and stating that all conditions precedent provided
for in this Indenture relating to the release of the property in question have been complied with; and

 

(4)       in
case the Corporate Trustee or any other Trustee is requested to release any franchise, an Opinion of Counsel complying with the
requirements of Section 121 hereof and stating that in his or their opinion such release will not impair to any material extent
the right of the Company to operate any of its remaining properties.

 

Section 8. Change
Retired Bond Credits for Releases. FPL reserves the right, without any vote, consent or other action by the holders of bonds
of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby
amended, to amend clause (c) of subdivision (4) of Section 59 of the Mortgage to read substantially as follows:

 

    -5- 

     

    

 

(c) the principal
amount of each bond or fraction of bond to the authentication and delivery of which the Company shall be entitled under the provisions
of Section 26 or 10/6ths of the principal amount of each bond or fraction of bond to the authentication and delivery of which the
Company shall be entitled under the provisions of Section 29 hereof, by virtue of compliance with all applicable provisions of
said Section 26 or Section 29, as the case may be (except as hereinafter in this Section otherwise provided); provided, however,
that (except as hereinafter in this Section otherwise provided) the application for such release shall operate as a waiver by the
Company of such right to the authentication and delivery of each such bond or fraction thereof on the basis of which right such
property is released and to such extent no such bond or fraction thereof may thereafter be authenticated and delivered hereunder,
and any Corresponding Retired Bonds or Corresponding Qualified Lien Bonds, as hereinafter defined, shall be deemed to have been
made the basis of the release of such property; for purposes of this clause (c), the following definitions shall apply:

 

The term
“Corresponding Retired Bond” shall mean the bond or fraction of a bond selected by the Company to serve as the basis
under the provisions of Section 29 of the Mortgage for such right to the authentication and delivery of bond(s) or fraction of
a bond so waived; and

 

The term
“Corresponding Qualified Lien Bond” shall mean the Qualified Lien Bond selected by the Company to serve as the basis
under the provisions of Section 26 of the Mortgage for such right to the authentication and delivery of bond(s) or fraction of
a bond so waived;

 

Section 9.Delete
Limitation on Five Year Old Property Additions. FPL reserves the right, without any vote, consent or other action by the holders
of bonds of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage,
as hereby amended, to amend clause (b) of subdivision (4) of Section 59 of the Mortgage to delete the words “that
no such application for release may be based in whole or in part upon Property Additions acquired, made or constructed more than
five (5) years prior to the last day of the calendar month immediately preceding the date of such application, and provided, further,”
from such clause.

 

Section 10.Change
Excepted Encumbrances Definition. FPL reserves the right, without any vote, consent or other action by the holders of bonds
of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby
amended, to amend Section 6 of the Mortgage to replace the definition of “Excepted Encumbrances” with
substantially the following: 

 

The term
“Excepted Encumbrances” shall mean as of any particular time, any of the following:

 

    -6- 

     

    

 

(a)       liens
for taxes, assessments and other governmental charges or requirements which are not delinquent or which are being contested in
good faith by appropriate proceedings or of which at least ten (10) Business Days’ notice has not been given to the general
counsel of the Company or to such other person or entity designated by the Company to receive such notices;

 

(b)       mechanics’,
workmen’s, repairmen’s, materialmen’s, warehousemen’s, and carriers’ liens, other liens incident
to construction, liens or privileges of any employees of the Company for salary or wages earned, but not yet payable, and other
liens, including without limitation liens for worker’s compensation awards, arising in the ordinary course of business for
charges or requirements which are not delinquent or which are being contested in good faith and by appropriate proceedings or of
which at least ten (10) Business Days’ notice has not been given to the general counsel of the Company or to such other person
or entity designated by the Company to receive such notices;

 

(c)       liens
in respect of attachments, judgments or awards arising out of judicial or administrative proceedings (i) in an amount not exceeding
the greater of (A) Ten Million Dollars ($10,000,000) and (B) three percent (3%) of the principal amount of the bonds then Outstanding
or (ii) with respect to which the Company shall (X) in good faith be prosecuting an appeal or other proceeding for review and with
respect to which the Company shall have secured a stay of execution pending such appeal or other proceeding or (Y) have the right
to prosecute an appeal or other proceeding for review or (Z) have not received at least ten (10) Business Days’ notice given
to the general counsel of the Company or to such other person or entity designated by the Company to receive such notices;

 

(d)       easements,
leases, reservations or other rights of others in, on, over and/or across, and laws, regulations and restrictions affecting, and
defects, irregularities, exceptions and limitations in title to, the Mortgaged and Pledged Property or any part thereof; provided,
however, that such easements, leases, reservations, rights, laws, regulations, restrictions, defects, irregularities, exceptions
and limitations do not in the aggregate materially impair the use by the Company of the Mortgaged and Pledged Property considered
as a whole for the purposes for which it is held by the Company;

 

    -7- 

     

    

 

(e)       liens,
defects, irregularities, exceptions and limitations in (i) title to real property subject to rights-of-way in favor of the Company
or otherwise or used or to be used by the Company primarily for right-of-way purposes; (ii) real property held under lease, easement,
license or similar right; or (iii) the rights-of-way, leases, easements, licenses or similar rights in favor of the Company; provided,
however, that (A) the Company shall have obtained from the apparent owner or owners of such real property a sufficient right, by
the terms of the instrument granting such right-of-way, lease, easement, license or similar right, to the use thereof for the purposes
for which the Company acquired the same; (B) the Company has power under eminent domain or similar statutes to remove or subordinate
such liens, defects, irregularities, exceptions or limitations; or (C) such defects, irregularities, exceptions and limitations
may be otherwise remedied without undue effort or expense; and defects, irregularities, exceptions and limitations in title to
flood lands, flooding rights and/or water rights;

 

(f)       liens
securing indebtedness or other obligations neither created, assumed nor guaranteed by the Company nor on account of which it customarily
pays interest upon real property or rights in or relating to real property acquired by the Company for the purpose of the transmission
or distribution of electric energy, gas or water, for the purpose of telephonic, telegraphic, radio, wireless or other electronic
communication or otherwise for the purpose of obtaining rights-of-way;

 

(g)       leases
existing on June 15, 2018 affecting properties owned by the Company at said date and renewals and extensions thereof; and leases
affecting such properties entered into after such date or affecting properties acquired by the Company after such date which, in
either case, (i) have respective terms of not more than ten (10) years (including extensions or renewals at the option of the tenant)
or (ii) do not materially impair the use by the Company of such properties for the respective purposes for which they are held
by the Company;

 

(h)       liens
vested in lessors, licensors, franchisors or permitters for rent or other amounts to become due or for other obligations or acts
to be performed, the payment of which rent or the performance of which other obligations or acts is required under leases, subleases,
licenses, franchises or permits, so long as the payment of such rent or other amounts or the performance of such other obligations
or acts is not delinquent or is being contested in good faith and by appropriate proceedings;

 

    -8- 

     

    

 

(i)       controls,
restrictions, obligations, duties and/or other burdens imposed by Federal, State, Municipal or other law, or by rules, regulations
or orders of Governmental Authorities, upon the Mortgaged and Pledged Property or any part thereof or the operation or use thereof
or upon the Company with respect to the Mortgaged and Pledged Property or any part thereof or the operation or use thereof or with
respect to any franchise, grant, license, permit or public purpose requirement, or any rights reserved to or otherwise vested in
Governmental Authorities to impose any such controls, restrictions, obligations, duties and/or other burdens;

 

(j)       rights
which Governmental Authorities may have by virtue of franchises, grants, licenses, permits or contracts, or by virtue of law, to
purchase, recapture or designate a purchaser of or order the sale of the Mortgaged and Pledged Property or any part thereof, to
terminate franchises, grants, licenses, permits, contracts or other rights or to regulate the property and business of the Company;
and any and all obligations of the Company correlative to any such rights;

 

(k)       liens
required by law or governmental regulations (i) as a condition to the transaction of any business or the exercise of any privilege
or license, (ii) to enable the Company to maintain self-insurance or to participate in any funds established to cover any insurance
risks, (iii) in connection with workmen’s compensation, unemployment insurance, social security, any pension or welfare benefit
plan or (iv) to share in the privileges or benefits required for companies participating in one or more of the arrangements described
in clauses (ii) and (iii) above;

 

(l)       liens
on the Mortgaged and Pledged Property or any part thereof which are granted by the Company to secure duties or public or statutory
obligations or to secure, or serve in lieu of, surety, stay or appeal bonds;

 

(m)       rights
reserved to or vested in others to take or receive any part of any coal, ore, gas, oil and other minerals, any timber and/or any
electric capacity or energy, gas, water, steam and any other products, developed, produced, manufactured, generated, purchased
or otherwise acquired by the Company or by others on property of the Company;

 

(n)       (i)
rights and interests of persons or entities other than the Company arising out of contracts, agreements and other instruments to
which the Company is a party and which relate to the common ownership or joint use of property; and (ii) all liens on the interests
of persons or entities other than the Company in property owned in common by such persons or entities and the Company if and to
the extent that the enforcement of such liens would not adversely affect the interests of the Company in such property in any material
respect;

 

    -9- 

     

    

 

(o)       any
restrictions on assignment and/or requirements of any assignee to qualify as a permitted assignee and/or public utility or public
service corporation;

 

(p)       any
liens which have been bonded for the full amount in dispute or for the payment of which other adequate security arrangements have
been made;

 

(q)       any
controls, liens, restrictions, regulations, easements, exceptions or reservations of any public authority or unit applying particularly
to Nuclear Fuel or any form of space satellites (including but not limited to solar power satellites), space stations and other
analogous facilities whether or not in the earth’s atmosphere;

 

(r)       easements,
ground leases or rights-of-way in, upon, over and/or across the property or rights-of-way of the Company for the purpose of roads,
pipe lines, transmission lines, distribution lines, communication lines, railways, removal or transportation of coal, lignite,
gas, oil or other minerals or timber, and other like purposes, or for the joint or common use of real property, rights-of-way,
facilities and/or equipment; provided, however, that such grant shall not materially impair the use of the property or rights-of-way
for the purposes for which such property or rights-of-way are held by the Company;

 

(s)       any
lien of the Trustees granted pursuant to Section 96 of this Indenture; and

 

(t)       any
lien securing indebtedness for the payment of which money in the necessary amount shall have been irrevocably deposited in trust
with the trustee or other holder of such lien; provided, however, that if such indebtedness is to be redeemed or otherwise prepaid
prior to the stated maturity thereof, any notice requisite to such redemption or prepayment shall have been given in accordance
with the mortgage or other instrument creating such lien or irrevocable instructions to give such notice shall have been given
to such trustee or other holder.

 

For purposes
of the foregoing definition, the term “Business Day” means any day, other than a Saturday or Sunday, which is not a
(i) day on which banking institutions or trust companies, in the location of the principal corporate office of the Company, are
required by law, regulation or executive order to remain closed, or (ii) day on which the corporate trust office of the Corporate
Trustee is closed for business.

 

    -10- 

     

    

 

Section 11.Release
of Predecessor After Transfer of Mortgaged and Pledged Property to a Successor. FPL reserves the right, without any vote, consent
or other action by the holders of bonds of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture,
to amend the Mortgage, as hereby amended, to amend Section 86 of the Mortgage to add the following paragraph at the
end of Section 86:

 

In case the
Company, as permitted by Section 85 hereof, shall convey or transfer, subject to the Lien of this Indenture, all or substantially
all of the Mortgaged Property as an entirety to a successor corporation, any such indenture described above in this Section may
also provide for the release and discharge of the Company from all obligations under this Indenture or any bonds issued hereunder
which are assumed by such successor corporation.

 

Section 12.Change
Priority Opinion Requirement. FPL reserves the right, without any vote, consent or other action by the holders of bonds of
any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby amended,
to amend Section 28 of the Mortgage

 

(A) to restate
subdivisions (7) and (9) thereof to read substantially as follows:

 

(7) an Opinion
of Counsel to the effect that:

 

(a) (i) (except
as to paving, grading and other improvements to, under or upon public highways, bridges, parks or other public property of analogous
character), this Indenture constitutes, or, upon the delivery of, and/or the filing and/or recording in the proper places and manner
of, the instruments of conveyance, assignment or transfer, if any, specified in said opinion, will constitute, a lien on all the
Property Additions to be made the basis of the authentication and delivery of such bonds, and (ii) such lien is subject to no lien
thereon prior to the Lien of this Indenture except Qualified Liens and Excepted Encumbrances and any other liens of which the signer
of said opinion has no actual knowledge and which do not appear on a specified lien search report received by said signer not more
than five (5) Business Days prior to the date of said opinion; provided that if the counsel that delivers the opinion identified
in clause (i) above has informed the Company that it is unable or unwilling to deliver the opinion identified in clause (ii) above,
then from and after such notification and in lieu of the opinion addressing the requirements of such clause (ii) the Company may
deliver an Officers’ Certificate instead solely with respect to the requirements of such clause (ii).

 

(b) the Company
has corporate authority to operate such Property Additions; and

 

(c) that the
general nature and extent of Qualified Liens, and the principal amount of the then Outstanding Qualified Lien Bonds secured thereby,
if any, mentioned in the accompanying Engineer’s Certificate, are correctly stated;

 

    -11- 

     

    

 

(9) copies
of the instruments of conveyance, assignment and transfer, if any, and the lien search report, if any, specified in the opinion
and, if applicable, the Officers’ Certificate provided for in subdivision (7) above; and

 

and

 

(B) to add
the following definition at the end of Section 28 of the Mortgage:

 

For purposes
of subdivision (7) above, the term “Business Day” means any day, other than a Saturday or Sunday, which is not a (i)
day on which banking institutions or trust companies, in the location of the principal corporate office of the Company, are required
by law, regulation or executive order to remain closed, or (ii) day on which the corporate trust office of the Corporate Trustee
is closed for business.

 

Section 13.Change
Funded Property Definition. FPL reserves the right, without any vote, consent or other action by the holders of bonds of any
series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby amended,
to amend Section 5 of the Mortgage to replace the first two paragraphs thereof with three paragraphs reading
substantially as follows:

 

The term
“Funded Property Certificate” shall mean an Independent Engineer’s Certificate delivered to the Corporate Trustee
within ninety days after the date of such certificate,

 

(A) stating
the aggregate principal amount of bonds then Outstanding under this Indenture;

 

(B) stating
the aggregate principal amount of bonds which the Company is then entitled to have authenticated and delivered by compliance with
the provisions of Section 29 hereof;

 

(C) stating
an amount equal to 10/6ths of the sum of the amounts stated in clauses (A) and (B) above; and

 

(D) describing
all or any portion of the Mortgaged and Pledged Property to be designated as “Funded Property” as of the date of such
certificate, which Funded Property, in the opinion of the signer, has an aggregate fair value not less than the amount stated in
clause (C) above.

 

The term
“Funded Property” shall mean:

 

(1) all Mortgaged
and Pledged Property described in the most recent Funded Property Certificate delivered to the Corporate Trustee;

 

(2) all Property
Additions to the extent that the same shall have been made the basis of the authentication and delivery of bonds under this Indenture
after the date of the most recent Funded Property Certificate delivered to the Corporate Trustee;

 

    -12- 

     

    

 

(3) all Property
Additions to the extent that the same shall have been made the basis of the release of property from the Lien of this Indenture
after the date of the most recent Funded Property Certificate delivered to the Corporate Trustee, subject, however, to the provisions
of Section 59 hereof;

 

(4) all Property
Additions to the extent that the same shall have been substituted (otherwise than under the release or cash withdrawal provisions
hereof) for Funded Property retired after the date of the most recent Funded Property Certificate delivered to the Corporate Trustee;
and

 

(5) all Property
Additions to the extent that the same shall have been made the basis of the withdrawal of any Funded Cash as hereinafter defined
after the date of the most recent Funded Property Certificate delivered to the Corporate Trustee, except to the extent that any
such Property Additions shall no longer be deemed to be Funded Property in accordance with the provisions of other Sections of
this Indenture.

 

In the event
that in any certificate filed with the Corporate Trustee in connection with any of the transactions referred to in clauses (2),
(3) and (5) of this Section only a part of the Cost or fair value of the Property Additions described in such certificate shall
be required for the purposes of such certificate, then such Property Additions shall be deemed to be Funded Property only to the
extent so required for the purpose of such certificate.

 

The foregoing amendment
shall not become effective until the Company shall have delivered a Funded Property Certificate to the Corporate Trustee.

 

Section 14.Annual
Interest Requirements for Variable Rate Bonds. FPL reserves the right, without any vote, consent or other action by the holders
of bonds of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage,
as hereby amended, to add a paragraph at the end of Section 7 of the Mortgage to read substantially as follows:

 

In calculating
such Annual Interest Requirements, (A) if any bonds issued hereunder, Qualified Lien Bonds and/or other indebtedness secured by
a lien prior or equal to the Lien of this Indenture bear interest at a variable rate or rates, the Annual Interest Requirements
thereon shall be determined by reference to the rate or rates in effect on the date next preceding the date of the initial authentication
and delivery of the bonds then applied for in the application in connection with which the Net Earning Certificate is made, (B)
if such bonds then applied for and/or any bonds applied for in any other pending application are to bear interest at a variable
rate or rates, the Annual Interest Requirements thereon shall be determined by reference to the rate or rates to be in effect at
the time of the initial authentication and delivery thereof, and (C) the Annual Interest Requirements on bonds issued or to be
issued hereunder, Qualified Lien Bonds and any other indebtedness shall be determined by reference to the rate or rates at which
such obligations are stated by their terms to bear simple interest, without regard to the effective interest cost to the Company
of such obligations and without regard to the stated interest rate or rates upon, or the effective cost to the Company of, other
obligations for which such obligations are or are to be pledged or otherwise delivered as security.

 

    -13- 

     

    

 

Section 15.Replacement
of Trustees. FPL reserves the right, without any vote, consent or other action by the holders of bonds of any series created
after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby amended, to amend Sections 99,
101 and 102 of the Mortgage as follows:

 

(A) to delete
all requirements for publishing notice of the resignation, removal or appointment of any Trustee in Sections 99, 101, and
102 of the Mortgage and to replace them with an obligation by the Company to notify all bondholders in writing of such
resignation, removal or appointment, and to delete the words “the first publication of notice of” in Section
102 of the Mortgage; and

 

(B) to add
a paragraph at the end of Section 101 reading substantially as follows:

 

So long as
no event which is, or after notice or lapse of time, or both, would become, a Default shall have occurred and be continuing, and
except with respect to a Trustee appointed by the bondholders as provided in Section 102 hereof, if the Company shall have delivered
to the Trustee (i) resolutions of the Board of Directors appointing a successor Trustee, effective as of a date specified therein,
and (ii) an instrument of acceptance of such appointment, effective as of such date, by such successor Trustee in accordance with
Section 104 hereof, the Trustee shall be deemed to have resigned as contemplated in Section 101 hereof, the successor Trustee shall
be deemed to have been appointed by the Company pursuant to Section 102 hereof and such appointment shall be deemed to have been
accepted as contemplated in Section 104 hereof, all as of such date, and all other provisions of Sections 101, 102 and 104 hereof
shall be applicable to such resignation, appointment and acceptance except to the extent inconsistent with this paragraph. The
Company shall deliver written notice of such deemed resignation by the Trustee and deemed appointment of and acceptance by such
successor Trustee to all bondholders.

 

Section 16.Delete
Notice of Acquisition of Property subject to a Prior Lien. FPL reserves the right, without any vote, consent or other action
by the holders of bonds of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend
the Mortgage, as hereby amended, to delete subsections (II) and (III) of Section 36 of the Mortgage.

 

Section 17.Change
Insurance Covenant. FPL reserves the right, without any vote, consent or other action by the holders of bonds of any series
created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby amended, to amend
Section 37 of the Mortgage to read substantially as follows:

 

    -14- 

     

    

 

Section 37.
(a) That the Company shall (i) keep or cause to be kept all the Mortgaged and Pledged Property insured against loss by fire, to
the extent that property of similar character is usually so insured by companies similarly situated and operating like properties,
to a reasonable amount, by reputable insurance companies, the proceeds of such insurance (except as to any loss of material, supplies
or any other property excepted from the Lien hereof and except as to any particular loss less than the greater of (A) Twenty Million
Dollars ($20,000,000) and (B) three percent (3%) of the principal amount of bonds Outstanding on the date of such particular loss)
to be made payable, subject to applicable law, to the Corporate Trustee as the interest of the Corporate Trustee may appear, or
to the trustee or other holder of any lien prior hereto upon property subject to the Lien hereof, if the terms thereof require
such payment, or to the agent or representative of the owners of jointly-owned property if the terms of such joint ownership require
such payment or (ii) in lieu of or supplementing such insurance in whole or in part, adopt some other method or plan of protection
against loss by fire at least equal in protection to the method or plan of protection against loss by fire of companies similarly
situated and operating properties subject to similar fire hazards or properties on which an equal primary fire insurance rate has
been set by reputable insurance companies; and if the Company shall adopt such other method or plan of protection, it shall, subject
to applicable law (and except as to any loss of Excepted Property and except as to any particular loss less than the greater of
(X) Twenty Million Dollars ($20,000,000) and (Y) three percent (3%) of the principal amount of bonds Outstanding on the date of
such particular loss) pay to the Corporate Trustee on account of any loss covered by such method or plan an amount in cash equal
to the amount of such loss less any amounts otherwise paid to the Corporate Trustee in respect of such loss or paid to the trustee
or other holder of any lien prior hereto upon property subject to the Lien hereof in respect of such loss if the terms thereof
require such payment or paid to the agent or representative of the owners of jointly-owned property if the terms of such joint
ownership require such payment. Any cash so required to be paid by the Company pursuant to any such method or plan shall for the
purposes of this Indenture be deemed to be proceeds of insurance. In case of the adoption of such other method or plan of protection,
the Company shall furnish to the Corporate Trustee a certificate of an actuary or other qualified person appointed by the Company
with respect to the adequacy of such method or plan. Whenever requested by the Corporate Trustee, there shall be delivered to the
Corporate Trustee a detailed statement, signed by an officer of the Company, of any fire insurance policies then outstanding and
in force upon the aforesaid property, or any part thereof, including, or by reference to former statements including, the names
of the insurance companies which have issued the policies and the amounts and expiration dates thereof, together with a detailed
statement, signed by an officer of the Company, of such other method or plan, if any.

 

(b) All moneys
paid to the Corporate Trustee by the Company in accordance with this Section or received by the Corporate Trustee as proceeds of
any insurance, in either case on account of a loss on or with respect to Funded Property, shall, subject to any lien prior hereto
upon property subject to the Lien hereof, be held by the Corporate Trustee and, subject as aforesaid, shall be paid by it to the
Company to reimburse the Company for an equal amount expended or committed for expenditure in the rebuilding, renewal and/or replacement
of or substitution for the property destroyed or damaged, upon receipt by the Corporate Trustee of:

 

    -15- 

     

    

 

(i)       a
letter signed by an officer of the Company requesting such payment,

 

(ii)       an
Engineer’s Certificate:

 

(A)       describing
the property so damaged or destroyed;

 

(B)       stating
the Cost of such property (or, if the fair value to the Company of such property at the time the same became Funded Property was
certified to be an amount less than the Cost thereof, then such fair value, as so certified, in lieu of Cost) or, if such damage
or destruction shall have affected only a portion of such property, stating the allocable portion of such Cost or fair value;

 

(C)       stating
the amounts so expended or committed for expenditure in the rebuilding, renewal, replacement of and/or substitution for such property;
and

 

(D)       stating
the fair value to the Company of such property as rebuilt or renewed or as to be rebuilt or renewed and/or of the replacement or
substituted property, and if

 

(a)       within
six (6) months prior to the date of acquisition thereof by the Company, such property has been used or operated, by a person or
persons other than the Company, in a business similar to that in which it has been or is to be used or operated by the Company,
and

 

(b)       the
fair value to the Company of such property as set forth in such Engineer’s Certificate is not less than Twenty-five Thousand
Dollars ($25,000) and not less than one percent (1%) of the aggregate principal amount of the bonds at the time Outstanding,

 

the Engineer making the statement
required by this clause (D) shall be an Independent Engineer, and

 

(iii)       an
Opinion of Counsel stating that, in the opinion of the signer, the property so rebuilt or renewed or to be rebuilt or renewed,
and/or the replacement property, is or will be subject to the Lien hereof.

 

Any such moneys
not so applied within thirty-six (36) months after receipt by the Corporate Trustee, or in respect of which notice in writing of
intention to apply the same to the work of rebuilding, renewal, replacement or substitution then in progress and uncompleted shall
not have been given to the Corporate Trustee by the Company within such thirty-six (36) months, or which the Company shall at any
time notify the Corporate Trustee is not to be so applied, shall thereafter be withdrawn, used or applied in the manner, to the
extent and for the purposes, and subject to the conditions, provided in Section 61; provided, however, that if the amount
of such moneys shall exceed the amount stated pursuant to clause (B) in the Engineer’s Certificate referred to above, the
amount of such excess shall not be deemed to be Funded Cash, shall not be subject to Section 61 and shall be remitted to or upon
the order of the Company upon the withdrawal, use or application of the balance of such moneys pursuant to Section 61.

 

    -16- 

     

    

 

Anything in
this Indenture to the contrary notwithstanding, if property on or with respect to which a loss occurs constitutes Funded Property
in part only, the Company may, at its election, obtain the reimbursement of insurance proceeds attributable to the part of such
property which constitutes Funded Property under this subsection (b) and obtain the reimbursement of insurance proceeds attributable
to the part of such property which does not constitute Funded Property under subsection (c) of this Section.

 

(c) All moneys
paid to the Corporate Trustee by the Company in accordance with this Section or received by the Corporate Trustee as proceeds of
any insurance, in either case on account of a loss on or with respect to property which does not constitute Funded Property, shall,
subject to the requirements of any lien prior hereto upon property subject to the Lien hereof, be held by the Corporate Trustee
and, subject as aforesaid, shall be paid by it to the Company upon receipt by the Corporate Trustee of:

 

(i)       a
letter from an officer of the Company requesting such payment;

 

(ii)       an
Engineer’s Certificate stating:

 

(A)       that
such moneys were paid to or received by the Corporate Trustee on account of a loss on or with respect to property which does not
constitute Funded Property; and

 

(B)       if
true, either (I) that the aggregate amount of the Cost or fair value to the Company (whichever is less) of all Property Additions
which do not constitute Funded Property (excluding, to the extent of such loss, the property on or with respect to which such loss
was incurred), after making deductions therefrom and additions thereto of the character contemplated by Section 4(II), is not less
than one dollar ($1) or (II) that the amount of such loss does not exceed the aggregate Cost or fair value to the Company (whichever
is less) of Property Additions acquired, made or constructed on or after the ninetieth (90th) day prior to the date of the request
for such payment; or

 

(C)       if
neither of the statements contemplated in subclause (B) above can be made, the amount by which zero (0) exceeds the amount referred
to in subclause (B)(I) above (showing in reasonable detail the calculation thereof);

 

    -17- 

     

    

 

(iii)       if
the Engineer’s Certificate required by clause (ii) above contains neither of the statements contemplated in clause (ii)(B)
above, an amount in cash, to be held by the Corporate Trustee as part of the Mortgaged and Pledged Property, equal to the amount
shown in clause (ii)(C) above;

 

(iv)       an
Opinion of Counsel in accordance with Section 121 hereof stating that, in the opinion of the signer, the conditions set forth herein
for the making of such payment have been satisfied and that the making of such payment by the Corporate Trustee is permitted by
and in accordance with the terms of this Indenture.

 

To the extent that the Company
shall be entitled to withdraw proceeds of insurance pursuant to this subsection (c), such proceeds shall be deemed not to constitute
Funded Cash.

 

(d) Whenever
under the provisions of this Section the Company is required to deliver moneys to the Corporate Trustee and at the same time shall
have satisfied the conditions set forth herein for payment of moneys by the Corporate Trustee to the Company, there shall be paid
to or retained by the Corporate Trustee or paid to the Company, as the case may be, only the net amount.

 

Section 18.Change
Maintenance Covenant. FPL reserves the right, without any vote, consent or other action by the holders of bonds of any series
created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby amended,
to amend Section 38 of the Mortgage to read substantially as follows:

 

Section
38. That the Company shall cause (or, with respect to property owned in common with others, make reasonable effort to cause) the
Mortgaged and Pledged Property, considered as a whole, to be maintained and kept in good condition, repair and working order and
shall cause (or, with respect to property owned in common with others, make reasonable effort to cause) to be made such repairs,
renewals, replacements, betterments and improvements thereof, as, in the judgment of the Company, may be necessary in order that
the operation of the Mortgaged and Pledged Property, considered as a whole, may be conducted in accordance with common industry
practice; provided, however, that nothing in this Section shall prevent the Company from discontinuing, or causing the discontinuance
of, the operation and maintenance of any portion of the Mortgaged and Pledged Property if such discontinuance is in the judgment
of the Company desirable in the conduct of its business; and provided, further, that nothing in this Section shall prevent the
Company from selling, transferring or otherwise disposing of, or causing the sale, transfer or other disposition of, any portion
of the Mortgaged and Pledged Property in compliance with the other provisions of this Indenture.

 

Section 19.Change
Definition of Property Additions. FPL reserves the right, without any vote, consent or other action by the holders of bonds
of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby
amended, to delete clauses (3), (4), and (5) of subsection (I) of Section 4 of the Mortgage.

 

    -18- 

     

    

 

Section 20.Investment
of Cash Held by Trustees. FPL reserves the right, without any vote, consent or other action by the holders of bonds of any
series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby amended,
to amend Section 95 of the Mortgage to add the following paragraphs:

 

Any cash
held by any Trustee under any provision of this Indenture shall, except as otherwise provided in this Indenture, at the written
direction of the Company, be invested or reinvested in Investment Securities specifically designated by the Company (such written
request to contain a representation to the effect that the securities designated therein constitute Investment Securities), and
any interest on such Investment Securities shall be promptly paid over to the Company as received free and clear of any lien. Such
Investment Securities shall be held subject to the same provisions hereof as the cash used to purchase the same, but upon a like
written request of the Company shall be sold, in whole or in designated part, and the proceeds of such sale shall be held subject
to the same provisions hereof as the cash used to purchase the Investment Securities so sold. If the cash used to purchase such
Investment Securities was being held as part of the Mortgaged and Pledged Property, then such Investment Securities and proceeds
shall also be held as part of the Mortgaged and Pledged Property. If such sale shall produce a net sum less than the cost of the
Investment Securities so sold, the Company shall pay to any such Trustee such amount in cash as, together with the net proceeds
from such sale, shall equal the cost of the Investment Securities so sold, and if such sale shall produce a net sum greater than
the cost of the Investment Securities so sold, any such Trustee, as the case may be, shall promptly pay over to the Company an
amount in cash equal to such excess, free and clear of any lien. In no event shall any Trustee be liable for any loss incurred
in connection with the purchase or sale of any Investment Security pursuant to this Section.

 

Notwithstanding
the foregoing, if a Default shall have occurred and be continuing, interest on Investment Securities being held as part of the
Mortgaged and Pledged Property and any gain upon the sale thereof shall be held as part of the Mortgaged and Pledged Property until
such Default shall have been cured or waived, whereupon such interest and gain shall be promptly paid over to the Company free
and clear of any lien.

 

Subject
to the provisions of this Indenture, the Corporate Trustee, in its capacity as a “bank” (within the meaning of Section
9-102(8) of the Uniform Commercial Code of the State of New York), shall have sole dominion and control over any deposit account
where cash that is being held as part of the Mortgaged and Pledged Property is deposited; provided, that, upon the occurrence and
continuation of a Default, any Trustee, in such capacity, shall comply with all instructions originated by the Corporate Trustee
directing the disposition of such cash in such deposit account without further consent or instruction by the Company.

 

    -19- 

     

    

 

For purposes
of this Section, “Investment Securities” means any of the following obligations or securities on which neither the
Company, any other obligor on the bonds Outstanding nor any affiliate of either is the obligor: (a) Government Obligations; (b) interest
bearing deposit accounts (which may be represented by certificates of deposit) in any national or state bank (which may include
the Corporate Trustee) or savings and loan association which has outstanding securities rated by a nationally recognized rating
organization in either of the two (2) highest rating categories (without regard to modifiers) for short term securities or in any
of the three (3) highest rating categories (without regard to modifiers) for long term securities; (c) bankers’ acceptances
drawn on and accepted by any commercial bank (which may include the Corporate Trustee) which has outstanding securities rated by
a nationally recognized rating organization in either of the two (2) highest rating categories (without regard to modifiers) for
short term securities or in any of the three (3) highest rating categories (without regard to modifiers) for long term securities;
(d) direct obligations of, or obligations the principal of and interest on which are unconditionally guaranteed by, any State or
Territory of the United States or the District of Columbia, or any political subdivision of any of the foregoing, which are rated
by a nationally recognized rating organization in either of the two (2) highest rating categories (without regard to modifiers)
for short term securities or in any of the three (3) highest rating categories (without regard to modifiers) for long term securities;
(e) bonds or other obligations of any agency or instrumentality of the United States; (f) corporate debt securities which are rated
by a nationally recognized rating organization in either of the two (2) highest rating categories (without regard to modifiers)
for short term securities or in any of the three (3) highest rating categories (without regard to modifiers) for long term securities;
(g) repurchase agreements with respect to any of the foregoing obligations or securities with any banking or financial institution
(which may include the Corporate Trustee) which has outstanding securities rated by a nationally recognized rating organization
in either of the two (2) highest rating categories (without regard to modifiers) for short term securities or in any of the three
(3) highest rating categories (without regard to modifiers) for long term securities; (h) securities issued by any regulated investment
company (including any investment company for which the Corporate Trustee is the advisor), as defined in Section 851 of the Internal
Revenue Code of 1986, as amended, or any successor section of such Code or successor federal statute, provided that the portfolio
of such investment company is limited to obligations or securities of the character and investment quality contemplated in clauses
(a) through (f) above and repurchase agreements which are fully collateralized by any of such obligations or securities; and (i)
any other obligations or securities which may lawfully be purchased by the Corporate Trustee in its capacity as such.

 

For purposes
of this Section, “Government Obligations” means securities which are (a) (i) direct obligations of the United States
where the payment or payments thereunder are supported by the full faith and credit of the United States or (ii) obligations of
an entity controlled or supervised by and acting as an agency or instrumentality of the United States where the timely payment
or payments thereunder are unconditionally guaranteed as a full faith and credit obligation by the United States or (b) depository
receipts issued by a bank (as defined in Section 3(a)(2) of the Securities Act of 1933, as amended, which may include the
Corporate Trustee) as custodian with respect to any such Government Obligation or a specific payment of interest on or principal
of or other amount with respect to any such Government Obligation held by such custodian for the account of the holder of a depository
receipt, provided that (except as required by law) such custodian is not authorized to make any deduction from the amount payable
to the holder of such depository receipt from any amount received by the custodian in respect of the Government Obligation or the
specific payment of interest on or principal of or other amount with respect to the Government Obligation evidenced by such depository
receipt.

 

    -20- 

     

    

 

Section 21.Amendments
without the Consent of Bondholders. FPL reserves the right, without any vote, consent or other action by the holders of bonds
of any series created after the date of this One Hundred Twenty-Eighth Supplemental Indenture, to amend the Mortgage, as hereby
amended, to amend Section 120 of the Mortgage to read substantially as follows:

 

Section 120.
Anything in this Indenture to the contrary notwithstanding, without the consent of any holders of bonds, the Company and the Trustees,
at any time and from time to time, may enter into one or more indentures supplemental hereto, in form satisfactory to the Trustees,
for any of the following purposes:

 

(a)       to
evidence the succession of another corporation to the Company and the assumption by any such successor of the covenants of the
Company herein and in the bonds, all as provided in Article XVI hereof; or

 

(b)       to
add one or more covenants of the Company or other provisions for the benefit of all holders of the bonds or for the benefit of
the holders of, or to remain in effect only so long as there shall be Outstanding, bonds of one or more specified series, and to
make the occurrence of a default in the performance of any of such additional covenants an additional “Default” under
Section 65 hereof permitting the enforcement of all or any of the several remedies provided in this Indenture, as herein set forth;
provided, however, that in respect of any such additional covenant, such supplemental indenture may provide for a particular period
of grace after default (which period may be shorter or longer than those allowed in the case of other defaults) or may provide
for an immediate enforcement upon such default, or may (subject to the provisions of applicable law) limit the remedies available
to the Trustees upon such default; or to provide that the occurrence of one or more specified events shall constitute additional
“Defaults” under Section 65 hereof as if set forth therein, or to surrender any right or power herein conferred
upon the Company, which additional “Default” or surrender may be limited so as to remain in effect only so long as
bonds of one or more specified series shall remain Outstanding; or

 

(c)       to
correct or amplify the description of any property at any time subject to the Lien of this Indenture, or better to assure, convey
and confirm unto the Trustees any property subject or required to be subjected to the Lien of this Indenture, or to subject to
the Lien of this Indenture additional property; or

 

(d)       to
change or eliminate any provision of this Indenture or to add any new provision to this Indenture; provided, however, that no such
change, elimination or addition shall adversely affect the interests of the holders of bonds of any series in any material respect;
or

 

(e)       to
establish the form or terms of bonds of any series as contemplated by Article II; or

 

    -21- 

     

    

 

(f)       to
provide for the procedures required to permit the Company to utilize, at its option, a non-certificated system of registration
for all or any series of bonds; or

 

(g)       to
change any place or places (within the United States of America) where (1) the principal of and premium, if any, and interest,
if any, on all or any series of bonds shall be payable, (2) all or any series of bonds may be surrendered for registration of transfer,
(3) all or any series of bonds may be surrendered for exchange and (4) notices and demands to or upon the Company in respect
of all or any series of bonds and this Indenture may be served; or

 

(h)       to
cure any ambiguity, to correct or supplement any provision herein which may be defective or inconsistent with any other provision
herein; or to make any other changes to the provisions hereof or to add other provisions with respect to matters or questions arising
under this Indenture; provided that such other changes or additions shall not adversely affect the interests of the holders of
bonds of any series in any material respect.

 

Without limiting
the generality of the foregoing, if the Trust Indenture Act of 1939, as in effect at any time and from time to time,

 

(x)       shall
require one or more changes to any provisions hereof or the inclusion herein of any additional provisions, or shall by operation
of law be deemed to effect such changes or incorporate such provisions by reference or otherwise, this Indenture shall be deemed
to have been amended so as to conform to the Trust Indenture Act of 1939 as then in effect, and the Company and the Trustees may,
without the consent of any holders of bonds, enter into an indenture supplemental hereto to evidence such amendment hereof; or

 

(y)       shall
permit one or more changes to, or the elimination of, any provisions hereof which shall theretofore have been required by the Trust
Indenture Act of 1939 to be contained herein or are contained herein to reflect any provisions of the Trust Indenture Act of 1939,
this Indenture shall be deemed to have been amended to effect such changes or elimination, and the Company and the Trustees may,
without the consent of any holders of bonds, enter into an indenture supplemental hereto to evidence such amendment hereof, provided
that the Indenture shall not be amended as provided in this clause (y) so as to adversely affect the interests of the holders of
bonds of any series in any material respect.

 

ARTICLE III

Miscellaneous Provisions

 

Section 22.Subject
to the amendments provided for in this One Hundred Twenty-Eighth Supplemental Indenture, the terms defined in the Mortgage shall,
for all purposes of this One Hundred Twenty-Eighth Supplemental Indenture, have the meanings specified in the Mortgage.

 

    -22- 

     

    

 

Section 23.The
Trustee hereby accepts the trust herein declared, provided, created or supplemented and agrees to perform the same upon the terms
and conditions herein and in the Mortgage set forth and upon the following terms and conditions:

 

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

 

Section 24.Whenever
in this One Hundred Twenty-Eighth Supplemental Indenture either of the parties hereto is named or referred to, this shall, subject
to the provisions of Articles XVI and XVII of the Mortgage be deemed to include the successors and assigns of such
party, and all the covenants and agreements in this One Hundred Twenty-Eighth Supplemental Indenture contained by or on behalf
of FPL, or by or on behalf of the Trustee, or either of them, 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 25.Nothing
in this One Hundred Twenty-Eighth 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 bonds and coupons Outstanding
under the Mortgage, any right, remedy or claim under or by reason of this One Hundred Twenty-Eighth Supplemental Indenture
or any covenant, condition, stipulation, promise or agreement hereof, and all the covenants, conditions, stipulations, promises
and agreements in this One Hundred Twenty-Eighth Supplemental Indenture contained by or on behalf of FPL shall be for the sole
and exclusive benefit of the parties hereto, and of the holders of the bonds and coupons Outstanding under the Mortgage.

 

Section 26.The
Mortgage, as hereby amended, is intended by the parties hereto, as to properties now or hereafter encumbered thereby and located
within the States of Florida and Georgia, to operate and is to be construed as granting a lien only on such properties and not
as a deed passing title thereto.

 

Section 27.This
One Hundred Twenty-Eighth Supplemental Indenture shall be executed in several counterparts, each of which shall be an original
and all of which shall constitute but one and the same instrument.

 

    -23- 

     

    

 

In
Witness Whereof, FPL has caused its corporate name to be hereunto affixed, and this instrument to be signed and sealed by
its President or one of its Vice Presidents, and its corporate seal to be attested by its Secretary or one of its Assistant Secretaries
for and in its behalf, and Deutsche Bank Trust Company Americas has caused its corporate
name to be hereunto affixed, and this instrument to be signed and sealed by one or more of its Vice Presidents or Assistant
Vice Presidents, and its corporate seal to be attested by one of its Vice Presidents, Assistant Vice Presidents, one of its Assistant
Secretaries or one of its Associates, all as of the day and year first above written.

 

    -24- 

     

    

 

 

	 	
        Florida
        Power & Light Company

         

         

        By:   /s/ W. Scott Seeley               

        W. Scott Seeley

        Vice President, Compliance

        & Corporate Secretary

         

 

Attest:

 

 

	/s/
      Charlotte B. Anderson	 
	Charlotte B. Anderson	 
	Assistant Secretary	 

 

 

Executed, sealed and delivered by

  Florida Power & Light
Company

  in the presence of:

 

 

	/s/ Jennifer Jeter	 
	 	 
	 	 
	/s/ Sharon Sartor	 

 

     

     

    

 

	 	    Deutsche
        Bank Trust Company
        Americas

	 	 	As Trustee

	 	 	 
	 	 	 
	 	By:	/s/
        Carol Ng
	 	 	

        

        Carol Ng

        Vice President

        60 Wall Street, 16th Floor

        New York, NY 10005

	 	 	 

 

	 	By:	/s/
        James Briggs
	 	 	
        James Briggs

        Vice President

        60 Wall Street, 16th Floor

        New York, NY 10005

	 	 	 

 

Attest:

 

	/s/ Nigel Luke

	 
	Nigel Luke

Vice President

60 Wall Street, 16th Floor

New York, NY 10005

	 
	 	 

 

Executed, sealed and delivered by

  Deutsche
Bank Trust Company
Americas

  in the presence of:

 

 

	/s/ Ike Graham

	 
	 	 
	 	 
	/s/ Hafsa Zahiri

	 

 

 

     

     

    

 

State
of Florida

County of Palm Beach

 

On the 2nd day of July,
in the year 2018 before me personally came W. Scott Seeley, to me known, who, being by me duly sworn, did depose and say that he
is the Vice President, Compliance & Corporate Secretary of Florida Power & Light
Company, one of the corporations described in and which executed the above instrument; that he knows the seal of said corporation;
that the seal affixed to said instrument is such corporate seal; that it was so affixed by order of the Board of Directors of said
corporation, and that he signed his name thereto by like order.

 

I
Hereby Certify, that on this 2nd day of July, 2018, before me personally appeared W. Scott Seeley and Charlotte B.
Anderson, respectively, the Vice President, Compliance & Corporate Secretary and an Assistant Secretary of Florida
Power & Light Company, a corporation under the laws of the State of Florida, to me known to be the persons described
in and who executed the foregoing instrument and severally acknowledged the execution thereof to be their free act and deed as
such officers, for the uses and purposes therein mentioned; and that they affixed thereto the official seal of said corporation,
and that said instrument is the act and deed of said corporation.

 

Witness
my signature and official seal at Juno Beach, in the County of Palm Beach, and State of Florida, the day and year last aforesaid.

 

	 	/s/ Amy Lowe
	 	Notary Public – State of Florida
	 	 
	 	 
	 	AMY LOWE
	 	Commission # FF 949772
	 	Expires May 11, 2020
	 	Bonded Thru Troy Fein Insurance 800-385-7019

 

     

     

    

 

State
of New York

County of New York

 

 

On the 26th day of
June in the year 2018, before me personally came Carol Ng and James Briggs, to me known, who, being by me duly sworn, did depose
and say that they are respectively a Vice President and a Vice President of Deutsche Bank
Trust Company Americas, one of the corporations described in and which executed the above instrument; that they know the
seal of said corporation; that the seal affixed to said instrument is such corporate seal; that it was so affixed by order of the
Board of Directors of said corporation, and that they signed their names thereto by like order.

 

I
Hereby Certify, that on this 26th day of June, 2018, before me personally appeared Carol Ng, James Briggs and Nigel Luke,
respectively, a Vice President, a Vice President and a Vice President of Deutsche Bank Trust
Company Americas, a corporation under the laws of the State of New York, to me known to be the persons described in and
who executed the foregoing instrument and severally acknowledged the execution thereof to be their free act and deed as such officers,
for the uses and purposes therein mentioned; and that they affixed thereto the official seal of said corporation, and that said
instrument is the act and deed of said corporation.

 

Witness
my signature and official seal at New York, in the County of New York, and State of New York, the day and year last aforesaid.

 

	 	/s/ Peter F Bono
	 	
        

        Notary Public – State of New York

         

        Peter F Bono

        Notary Public-State
        of New York

        No. 01B06372994

        Qualified in New York County

        My Commission Expires 04-02-2022

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