Bond OneOak Inc. 3.1% ( US682680BB81 ) in USD

Issuer OneOak Inc.
Market price refresh price now   100 %  ▲ 
Country  United States
ISIN code  US682680BB81 ( in USD )
Interest rate 3.1% per year ( payment 2 times a year)
Maturity 14/03/2030



Prospectus brochure of the bond Oneok Inc. [New] US682680BB81 en USD 3.1%, maturity 14/03/2030


Minimal amount 2 000 USD
Total amount 850 000 000 USD
Cusip 682680BB8
Standard & Poor's ( S&P ) rating BBB ( Lower medium grade - Investment-grade )
Moody's rating Baa3 ( Lower medium grade - Investment-grade )
Next Coupon 15/03/2026 ( In 33 days )
Detailed description Oneok, Inc. is a midstream energy company operating primarily in the North American natural gas liquids (NGL) and natural gas systems, handling gathering, processing, storage, transportation, and marketing of those resources.

The Bond issued by OneOak Inc. ( United States ) , in USD, with the ISIN code US682680BB81, pays a coupon of 3.1% per year.
The coupons are paid 2 times per year and the Bond maturity is 14/03/2030

The Bond issued by OneOak Inc. ( United States ) , in USD, with the ISIN code US682680BB81, was rated Baa3 ( Lower medium grade - Investment-grade ) by Moody's credit rating agency.

The Bond issued by OneOak Inc. ( United States ) , in USD, with the ISIN code US682680BB81, was rated BBB ( Lower medium grade - Investment-grade ) by Standard & Poor's ( S&P ) credit rating agency.







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Table of Contents
Filed Pursuant to Rule 424(b)(5)
Registration Statement No. 333-219186
CALCULATION OF REGISTRATION FEE


Amount
Maximum
Maximum
Title of Each Class of
to be
Offering Price
Aggregate
Amount of
Securities to be Registered

Registered

per Unit

Offering Price
Registration Fee(1)
2.200% Notes due 2025

$400,000,000
99.922%
$399,688,000
$51,879.50
Guarantees of 2.200% Notes due 2025

(2)

(2)

(2)

(2)
3.100% Notes due 2030

$850,000,000
99.897%
$849,124,500
$110,216.36
Guarantees of 3.100% Notes due 2030

(2)

(2)

(2)

(2)
4.500% Notes due 2050

$400,000,000
99.852%
$399,408,000
$51,843.16
Guarantees of 4.500% Notes due 2050

(2)

(2)

(2)

(2)
Total
$1,650,000,000
$1,648,220,500
$213,939.02

(1)
The filing fee is calculated in accordance with Rule 457(r) of the Securities Act of 1933, as amended (the "Securities Act").
(2)
No separate filing fee is required pursuant to Rule 457(n) under the Securities Act.
Table of Contents

PROSPECTUS SUPPLEMENT
(To Prospectus Dated July 6, 2017)
$1,650,000,000

ONEOK, Inc.
$400,000,000 2.200% Notes due 2025
$850,000,000 3.100% Notes due 2030
$400,000,000 4.500% Notes due 2050


We are offering $400,000,000 aggregate principal amount of our 2.200% notes due 2025 (the "2025 notes"), $850,000,000 aggregate principal amount of
our 3.100% notes due 2030 (the "2030 notes") and $400,000,000 aggregate principal amount of our 4.500% notes due 2050 (the "2050 notes"). In this prospectus
supplement, the term "notes" collectively refers to the 2025 notes, the 2030 notes and the 2050 notes.
The 2025 notes will bear interest at the rate of 2.200% per year and will mature on September 15, 2025. The 2030 notes will bear interest at the rate of 3.100%
per year and will mature on March 15, 2030. The 2050 notes will bear interest at the rate of 4.500% per year and will mature on March 15, 2050. Interest on the notes
is payable on March 15 and September 15 of each year, beginning on September 15, 2020. Interest on the notes will accrue from March 10, 2020. We may redeem the
2025 notes, the 2030 notes and the 2050 notes, in whole or in part, at any time at the redemption prices described under "Description of Notes--Optional Redemption."
The notes will be senior unsecured obligations of ours and will rank equally in right of payment with all of our existing and future unsecured senior debt.
The notes will be fully and unconditionally guaranteed, jointly and severally, on a senior unsecured basis by certain of our subsidiaries. Each guarantee will rank
equally in right of payment with all of such guarantor's existing and future unsecured senior debt and other unsecured guarantees of senior debt. The notes and the
guarantees will be effectively junior to any secured indebtedness of ours or any guarantor to the extent of the value of the assets securing such indebtedness and
structurally subordinated to all indebtedness and other obligations of our subsidiaries that do not guarantee the notes.


Investing in the notes involves risks. See "Risk Factors" beginning on page S-6 of this prospectus supplement and on
page 7 of the accompanying base prospectus.



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Offering Price to
Underwriting
Proceeds to us


Public(1)

Discounts
Before Expenses
Per 2025 note


99.922%

0.600%

99.322%
Total

$
399,688,000
$ 2,400,000
$
397,288,000
Per 2030 note


99.897%

0.650%

99.247%
Total

$
849,124,500
$ 5,525,000
$
843,599,500
Per 2050 note


99.852%

0.875%

98.977%
Total

$
399,408,000
$ 3,500,000
$
395,908,000

(1)
Plus accrued interest, if any, from March 10, 2020, if settlement occurs after that date.
Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or
determined if this prospectus supplement or the accompanying base prospectus is truthful or complete. Any representation to the contrary is a criminal
offense.
The notes will not be listed on any national securities exchange. Currently, there is no public market for the notes. We expect that the notes will be ready for
delivery in registered book-entry form only through the facilities of The Depository Trust Company for the accounts of its participants, including Clearstream Banking,
S.A. and Euroclear Bank S.A./N.V., as operator of the Euroclear System, against payment in New York, New York, on or about March 10, 2020.


Joint Book-Runners

Barclays
Deutsche Bank Securities
Mizuho Securities

TD Securities
BofA Securities

Citigroup

Credit Suisse

Goldman Sachs & Co. LLC
Morgan Stanley

MUFG

PNC Capital Markets LLC

RBC Capital Markets

Scotiabank

SMBC Nikko
Wells Fargo Securities
Co-Managers

Regions Securities LLC

SunTrust Robinson Humphrey

US Bancorp

Siebert Williams Shank
Tuohy Brothers
The date of this prospectus supplement is March 5, 2020.
Table of Contents
TABLE OF CONTENTS


Page
Prospectus Supplement

PROSPECTUS SUPPLEMENT SUMMARY
S-1
RISK FACTORS
S-6
USE OF PROCEEDS
S-9
CAPITALIZATION
S-10
DESCRIPTION OF NOTES
S-11
MATERIAL U.S. FEDERAL INCOME TAX CONSEQUENCES
S-21
UNDERWRITING (CONFLICTS OF INTEREST)
S-26
LEGAL MATTERS
S-34
EXPERTS
S-34
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS
S-34
WHERE YOU CAN FIND MORE INFORMATION
S-37
INCORPORATION BY REFERENCE
S-37


Page
Prospectus

ABOUT THIS PROSPECTUS

1
WHERE YOU CAN FIND MORE INFORMATION

1
INCORPORATION BY REFERENCE

2
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

3
ABOUT ONEOK

6
RISK FACTORS

7
USE OF PROCEEDS

8
RATIO OF EARNINGS TO FIXED CHARGES

9
DESCRIPTION OF DEBT SECURITIES

10
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DESCRIPTION OF GUARANTEE OF DEBT SECURITIES

22
DESCRIPTION OF CAPITAL STOCK

23
DESCRIPTION OF STOCK PURCHASE CONTRACTS AND STOCK PURCHASE CONTRACT UNITS

29
DESCRIPTION OF DEPOSITARY SHARES

30
DESCRIPTION OF WARRANTS

32
PLAN OF DISTRIBUTION

33
LEGAL MATTERS

35
EXPERTS

35

S-i
Table of Contents
This document is in two parts. The first part is this prospectus supplement, which describes the specific terms of this offering. The second part is the
accompanying base prospectus, which gives more general information, some of which may not apply to this offering of notes. Generally, when we refer
only to the "prospectus," we are referring to both parts combined. If information varies between this prospectus supplement and the accompanying base
prospectus, you should rely on the information in this prospectus supplement.
Any statement made in this prospectus supplement, the accompanying base prospectus or in a document incorporated or deemed to be incorporated
by reference into this prospectus supplement or the accompanying base prospectus will be deemed to be modified or superseded for purposes of this
prospectus supplement to the extent that a statement contained in this prospectus supplement, the accompanying base prospectus or in any other
subsequently filed document that is also incorporated by reference into this prospectus supplement modifies or supersedes that statement. Any statement so
modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this prospectus supplement or the accompanying
base prospectus. Please read "Where You Can Find More Information" and "Incorporation by Reference" in this prospectus supplement and the
accompanying base prospectus.
We have not, and the underwriters have not, authorized any dealer or other person to give any information or to make any representation
other than those contained or incorporated by reference in this prospectus supplement and the accompanying base prospectus or in any free
writing prospectus prepared by or on behalf of us or to which we have referred you. This prospectus supplement and the accompanying base
prospectus do not constitute an offer to sell or the solicitation of an offer to buy any securities other than the registered securities to which they
relate, nor do this prospectus supplement or the accompanying base prospectus constitute an offer to sell or the solicitation of an offer to buy
securities in any jurisdiction to any person to whom it is unlawful to make such offer or solicitation in such jurisdiction. You should not assume
that the information contained in this prospectus supplement or the accompanying base prospectus or in any free writing prospectus is accurate
on any date other than the respective date of such document.
Delivery of the notes will be made against payment therefor on or about the date specified in the last paragraph of the cover page of this
prospectus supplement, which will be the third business day following the date of pricing (such settlement being referred to as "T+3"). Pursuant
to Rule 15c6-1 under the U.S. Securities Exchange Act of 1934, as amended (the "Exchange Act"), trades in the secondary market are generally
required to settle in two business days, unless the parties to any such trade expressly agree otherwise. Accordingly, purchasers who wish to trade
notes on the day of pricing will be required, by virtue of the fact that the notes will initially settle in T+3, to specify an alternate settlement
arrangement at the time of any such trade to prevent a failed settlement.
For the purposes of this section, all references to Regulations or Directives include, in relation to the United Kingdom ("UK"), those Regulations or
Directives as they form part of UK domestic law by virtue of the European Union (Withdrawal) Act 2018 or have been implemented in UK domestic law,
as appropriate.
Prohibition of Sales to European Economic Area ("EEA") and UK Retail Investors--The notes are not intended to be offered, sold or otherwise
made available to and should not be offered, sold or otherwise made available to any retail investor in the EEA or the UK. For these purposes, a retail
investor means a person who is one (or more) of: (i) a retail client as defined in point (11) of Article 4 (1) of Directive 2014/65/EU (as amended, "MiFID
II"); or (ii) a customer within the meaning of Directive (EU) 2016/97 (as amended, the "IDD"), where that customer would not qualify as a professional
client as defined in point (10) of Article 4(1) of MiFID II; or (iii) not a qualified investor as defined in the Prospectus Regulation. Consequently no key
information document required by Regulation (EU) No 1286/2014 (as amended, the "PRIIPs Regulation") for offering or selling the notes or otherwise
making them available to retail investors in the EEA or the UK has been prepared and therefore offering or selling the notes or otherwise making them
available to any retail investor in the EEA or the UK may be unlawful under the PRIIPs Regulation.

S-ii
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MiFID II product governance / Professional investors and eligible counterparties only target market--Solely for the purposes of the
manufacturer's product approval process, the target market assessment in respect of the notes has led to the conclusion that: (i) the target market for the
notes is eligible counterparties and professional clients only, each as defined in MiFID II; and (ii) all channels for distribution of the notes to eligible
counterparties and professional clients are appropriate. Any person subsequently offering, selling or recommending the notes (a "distributor") should take
into consideration the manufacturer's target market assessment; however, a distributor subject to MiFID II is responsible for undertaking its own target
market assessment in respect of the notes (by either adopting or refining the manufacturer's target market assessment) and determining appropriate
distribution channels.

S-iii
Table of Contents
PROSPECTUS SUPPLEMENT SUMMARY
This summary highlights certain information about ONEOK. It is not complete and does not contain all the information that you should consider
before investing in the notes. You should carefully read this prospectus supplement, the accompanying base prospectus and the other documents
incorporated by reference herein and therein to understand fully ONEOK, the terms of the notes and the tax and other considerations that are
important in making your investment decision. Please read "Risk Factors" and the other cautionary statements in this prospectus supplement, the
accompanying base prospectus and our Annual Report on Form 10-K for the year ended December 31, 2019, which is incorporated by reference
herein, for information regarding risks you should consider before investing in the notes.
Unless we otherwise indicate or unless the context requires otherwise, all references in this prospectus supplement to "we," "our," "us," the
"Company," "ONEOK" or similar references mean ONEOK, Inc. and its consolidated subsidiaries and predecessors. References to "ONEOK
Partners" refer to ONEOK Partners, L.P., our wholly-owned subsidiary. References to the "Intermediate Partnership" refer to ONEOK Partners
Intermediate Limited Partnership, a wholly-owned subsidiary of ONEOK Partners, L.P.
ONEOK, Inc.
ONEOK is a corporation incorporated under the laws of the state of Oklahoma, and our common stock is listed on the New York Stock
Exchange, or NYSE, under the trading symbol "OKE." We are a leading midstream service provider and own one of the nation's premier natural gas
liquids (NGLs) systems, connecting NGL supply in the Mid-Continent, Permian and Rocky Mountain regions with key market centers and an
extensive network of natural gas gathering, processing, storage and transportation assets. We apply our core capabilities of gathering, processing,
fractionating, transporting, storing and marketing natural gas and NGLs through vertical integration across the midstream value chain to provide our
customers with premium services while generating consistent and sustainable earnings growth.
Our Principal Executive Offices
Our principal executive offices are located at 100 West Fifth Street, Tulsa, Oklahoma, 74103-4298, and our telephone number at that address is
(918) 588-7000. The information above concerning us is only a summary and does not purport to be comprehensive. We maintain a website at
www.oneok.com that provides information about our business and operations. Information contained on this website, however, is not incorporated
into or otherwise a part of this prospectus supplement or the accompanying base prospectus.

S-1
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The Offering
References to "we," "us" and "our" in this section titled "The Offering" refer to ONEOK, Inc. and not to any of its subsidiaries.

Issuer
ONEOK, Inc.

Notes Offered
$400 million aggregate principal amount of 2.200% notes due 2025.


$850 million aggregate principal amount of 3.100% notes due 2030.
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$400 million aggregate principal amount of 4.500% notes due 2050.

Maturity
The 2025 notes will mature on September 15, 2025.


The 2030 notes will mature on March 15, 2030.


The 2050 notes will mature on March 15, 2050.

Interest Rate
The 2025 notes will bear interest at the rate of 2.200% per annum, accruing from March 10,
2020.

The 2030 notes will bear interest at the rate of 3.100% per annum, accruing from March 10,

2020.

The 2050 notes will bear interest at the rate of 4.500% per annum, accruing from March 10,

2020.

Interest Payment Dates
Interest on the 2025 notes, the 2030 notes and the 2050 notes will be payable semi-annually
in arrears on March 15 and September 15 of each year, beginning on September 15, 2020,
and at maturity or, if applicable, upon their earlier redemption.

Optional Redemption
Prior to August 15, 2025 (one month prior to their maturity date) in the case of the 2025
notes, prior to December 15, 2029 (three months prior to their maturity date) in the case of
the 2030 notes and prior to September 15, 2049 (six months prior to their maturity date) in
the case of the 2050 notes, we may redeem the notes of the applicable series, in whole or in
part, at any time and from time to time, at our option, at the redemption price described in
this prospectus supplement under "Description of Notes--Optional Redemption."

On or after August 15, 2025 (one month prior to their maturity date), we may redeem the
2025 notes, in whole or in part, at any time and from time to time, at a redemption price
equal to 100% of the principal amount of the notes being redeemed plus accrued and unpaid

interest to the redemption date. On or after December 15, 2029 (three months prior to their
maturity date), we may redeem the 2030 notes, in whole or in part, at any time and from
time to time, at a redemption price equal to 100% of the principal amount of the notes being
redeemed plus accrued and unpaid interest to the redemption

S-2
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date. On or after September 15, 2049 (six months prior to their maturity date), we may
redeem the 2050 notes, in whole or in part, at any time and from time to time, at a

redemption price equal to 100% of the principal amount of the notes being redeemed plus
accrued and unpaid interest to the redemption date.

Guarantees
The notes will be fully and unconditionally guaranteed, jointly and severally, on an
unsecured basis by ONEOK Partners and the Intermediate Partnership.

Ranking
The notes will be senior unsecured obligations and will rank equally with all of our other
existing and future unsecured senior debt and ONEOK Partners' existing and future
unsecured senior debt that we guarantee. The notes will be structurally subordinated to all
indebtedness and liabilities of our subsidiaries that do not guarantee the notes. As of the issue
date, only ONEOK Partners and the Intermediate Partnership will guarantee the notes. As of
December 31, 2019, after giving effect to this offering, we and the guarantors would have
had approximately $14.2 billion of indebtedness. Assuming we had completed this offering
on December 31, 2019, after giving effect to the application of the net proceeds as described
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in "Use of Proceeds" in this prospectus supplement, the notes and the guarantees would have
been structurally subordinated to approximately $21.3 million of outstanding indebtedness of
our non-guarantor subsidiaries.

The guarantee of the notes by ONEOK Partners and the Intermediate Partnership will be
senior unsecured obligations of ONEOK Partners and the Intermediate Partnership and will
rank equally with their guarantees of our $2.5 billion revolving credit agreement, our
$1.5 billion term loan facility, our approximately $7.2 billion of notes outstanding (excluding
the notes offered hereby), our $2.5 billion commercial paper program and certain of our
existing and future unsecured senior debt. The guarantee of the notes by ONEOK Partners

will also rank equally with its existing $4.1 billion of senior notes outstanding and certain of
its existing and future unsecured senior debt. Additionally, the guarantee of the notes by the
Intermediate Partnership will rank equally with its existing guarantee of ONEOK Partners'
outstanding senior notes and any unsecured senior debt that the Intermediate Partnership may
guarantee in the future. ONEOK Partners' and the Intermediate Partnership's guarantees will
be structurally subordinated to all indebtedness of our other subsidiaries that do not
guarantee the notes.

Covenants
We will issue the notes under an indenture that contains covenants for your benefit. The
covenants restrict our ability, with certain exceptions, to:

· merge or consolidate with another entity or transfer all or substantially all of our

property and assets;

S-3
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· incur liens; and


· enter into sale and leaseback transactions.

The indenture will not limit the amount of unsecured debt we or our subsidiaries may incur.
The indenture restricts our and certain of our subsidiaries' ability to incur secured

indebtedness (subject to certain exceptions) unless the same security is also provided for the
benefit of holders of the notes.

Use of Proceeds
We estimate the net proceeds from this offering, after deducting underwriting discounts and
our estimated offering expenses, will be approximately $1.63 billion. We anticipate using the
net proceeds from this offering (i) to repay all amounts outstanding under our commercial
paper program and (ii) for general corporate purposes, which may include the repayment of
other existing indebtedness and the funding of capital expenditures. See "Use of Proceeds."

Conflicts of Interest
Affiliates of the underwriters are lenders under our $1.5 billion term loan facility, lenders
under our $2.5 billion revolving credit agreement and holders under our $2.5 billion
commercial paper program. As described in "Use of Proceeds," we anticipate that some of
the net proceeds of this offering will be used to repay all amounts outstanding under our $2.5
billion commercial paper program, and some may be used to repay other existing
indebtedness, including borrowings under our $1.5 billion term loan facility or our $2.5
billion revolving credit agreement. Because more than 5% of the proceeds of this offering,
not including underwriting discounts and commissions, may be received by affiliates of the
underwriters, this offering is being conducted in compliance with the requirements of FINRA
Rule 5121, as administered by FINRA. Accordingly, the underwriters will not confirm any
sales to any account over which it exercises discretionary authority without the specific
written approval of the account holder. Pursuant to FINRA Rule 5121, the appointment of a
qualified independent underwriter is not necessary in connection with this offering.

Further Issues
We may, at any time, without notice to or consent of the holders of the 2025 notes, the 2030
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notes or the 2050 notes, create and issue further notes ranking equally and ratably in all
respects with the 2025 notes, the 2030 notes or the 2050 notes, as applicable, so that such
further notes will be consolidated and form a single series with the 2025 notes, the 2030
notes or the 2050 notes, as applicable, with the same terms as the applicable series of notes.
See "Description of Notes--Further Issues."

Risk Factors
An investment in the notes involves risks. See "Risk Factors" in this prospectus supplement,
the accompanying base prospectus and the documents incorporated by reference into this
prospectus supplement and the accompanying base prospectus for a discussion of factors you
should carefully consider before deciding to invest in the notes.

Governing Law
The indenture and the notes will be governed by the laws of the State of New York.

Trustee
U.S. Bank National Association.

S-4
Table of Contents
Summary Consolidated Financial and Other Data
Set forth below is our summary historical consolidated financial data for the periods indicated. The operating data for the years ended
December 31, 2019 and 2018 has been derived from our audited financial statements included in our Annual Report on Form 10-K for the year ended
December 31, 2019, which is incorporated by reference into this prospectus supplement. Our summary historical results are not necessarily
indicative of results to be expected in future periods.
The summary financial data should be read together with, and is qualified in its entirety by reference to, our historical consolidated financial
statements, the accompanying notes and "Management's Discussion and Analysis of Financial Condition and Results of Operations," which are set
forth in our Annual Report on Form 10-K for the year ended December 31, 2019, which is incorporated by reference herein.



Years Ended December 31,



2018
2019


(thousands of dollars, except share and per share data)

Operating data:


Total revenues

$
12,593,196
$
10,164,367
Cost of sales and fuel


9,422,708

6,788,040
Operations and maintenance


803,146

863,708
Depreciation and amortization


428,557

476,535
General taxes


103,922

119,156
(Gain) loss on sale of assets


(601)

2,575
Operating income


1,835,464

1,914,353
Equity in net earnings from investments


158,383

154,541
Allowance for equity funds used during construction


7,962

64,815
Other income


674

27,058
Other expense


(14,928)

(18,003)
Interest expense (net of capitalized interest of $28,062 and $107,275,
respectively)


(469,620)

(491,773)
Income before income taxes


1,517,935

1,650,991
Income taxes


(362,903)

(372,414)
Net income


1,155,032

1,278,577
Less: Net income attributable to noncontrolling interests


3,329

--
Net income attributable to ONEOK

$
1,151,703
$
1,278,577
Earnings per share of common stock


Net earnings per share, basic

$
2.80
$
3.09
Net earnings per share, diluted

$
2.78
$
3.07
Average shares (thousands)


Basic


411,485

413,560
Diluted


414,195

415,444
Dividends declared per share of common stock

$
3.245
$
3.53
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RISK FACTORS
An investment in the notes involves risks. You should carefully consider all of the information contained in this prospectus supplement, the
accompanying base prospectus and the documents incorporated by reference into this prospectus supplement and the accompanying base prospectus as
provided under "Where You Can Find More Information," including our Annual Report on Form 10-K for the year ended December 31, 2019 and the risk
factors described under "Risk Factors" therein. This prospectus supplement, the accompanying base prospectus and the documents incorporated by
reference into this prospectus supplement and the accompanying base prospectus also contain forward-looking statements that involve risks and
uncertainties. Please read "Cautionary Statement Regarding Forward-Looking Statements" in this prospectus supplement and in the accompanying base
prospectus. Our actual results could differ materially from those anticipated in such forward-looking statements as a result of certain factors, including the
risks described elsewhere in this prospectus supplement, the accompanying base prospectus and the documents incorporated by reference into this
prospectus supplement and the accompanying base prospectus. If any of these risks occur, our business, financial condition or results of operation could
be adversely affected.
Risks Related to the Notes
Our indebtedness and guarantee obligations could impair our financial condition and our ability to fulfill our obligations, including our obligations
under the notes.
As of December 31, 2019, prior to giving effect to this offering, we had total consolidated indebtedness of approximately $12.8 billion (exclusive of
unamortized debt issuance costs and discounts). See "Capitalization."
Our indebtedness and guarantee obligations could have significant consequences to you. For example, they could:

·
make it more difficult for us to satisfy our obligations with respect to the notes and our other indebtedness due to the increased debt-service

obligations, which could, in turn, result in an event of default on such other indebtedness or the notes;

·
impair our ability to obtain additional financing in the future for working capital, capital expenditures, acquisitions or general business

purposes;


·
diminish our ability to withstand a downturn in our business or the economy;

·
require us to dedicate a substantial portion of our cash flows from operations to debt-service payments, reducing the availability of cash for

working capital, capital expenditures, acquisitions, dividends or general corporate purposes;


·
limit our flexibility in planning for, or reacting to, changes in our business and the industry in which we operate; and


·
place us at a competitive disadvantage compared with our competitors that have proportionately less debt and fewer guarantee obligations.
If we are unable to meet our debt-service obligations, we could be forced to restructure or refinance our indebtedness, seek additional equity capital
or sell assets. We may be unable to obtain financing or sell assets on satisfactory terms, or at all.
We are not prohibited under the indenture governing the notes from incurring additional indebtedness. Our incurrence of significant additional
indebtedness could exacerbate the negative consequences mentioned above and could materially adversely affect our ability to repay the notes.

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We have a holding company structure in which our subsidiaries and affiliates conduct our operations and own a substantial portion of our operating
assets, causing us to be dependent upon their distributions to make payments on the notes.
As we are a holding company, our subsidiaries and affiliates conduct our operations and own a substantial portion of our operating assets. As a
result, our ability to make required payments on the notes depends on the performance of our subsidiaries and their ability to make distributions, dividends,
loans or advances to us. The ability of our subsidiaries to make distributions, dividends, loans or advances to us may be restricted by, among other things,
future credit facilities, applicable state partnership laws and other laws and regulations. If we are unable to obtain the funds necessary to pay the principal
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amount of the notes at maturity, we may be required to adopt one or more alternatives, such as a refinancing of the notes. We cannot assure you that we
would be able to refinance the notes on acceptable terms or at all.
As a result of our holding company structure, the notes will be structurally subordinated to liabilities and indebtedness of our subsidiaries other than
ONEOK Partners and the Intermediate Partnership, which will guarantee the notes, and effectively subordinated to any of our and the guarantors'
secured indebtedness to the extent of the assets securing such indebtedness.
A substantial portion of our operating assets are owned by our subsidiaries or our affiliates. The notes will not be guaranteed by our subsidiaries or
other affiliates, other than ONEOK Partners and the Intermediate Partnership, and our subsidiaries and such affiliates are not prohibited under the indenture
that will govern the notes from incurring additional indebtedness. As a result, holders of the notes will be structurally subordinated to claims of third-party
creditors, including holders of indebtedness, of these non-guarantor subsidiaries and such affiliates. Claims of those other creditors, including trade
creditors, secured creditors, governmental authorities, and holders of indebtedness or guarantees issued by our non-guarantor subsidiaries, will generally
have priority as to the assets of our non-guarantor subsidiaries over claims by the holders of the notes. As a result, rights of payment of holders of our
indebtedness, including the holders of the notes, will be structurally subordinated to all those claims of creditors of our non-guarantor subsidiaries.
Assuming we had completed this offering on December 31, 2019, after giving effect to the application of the net proceeds as described in "Use of
Proceeds" in this prospectus supplement, the notes and the guarantees would have been structurally subordinated to approximately $21.3 million of
outstanding indebtedness of our non-guarantor subsidiaries. In addition, if either of ONEOK Partners or the Intermediate Partnership is no longer our
subsidiary or no longer has any capital markets debt securities outstanding or guarantees any capital markets debt securities issued by us or the other
guarantor, in each case other than the notes, so long as no default or event of default under the indenture has occurred or is continuing, they will be
released from their obligations under the indenture, and its guarantees will no longer be in effect.
In addition, holders of our and the guarantors' secured indebtedness would have claims with respect to the assets constituting collateral for such
indebtedness that are prior to your claims under the notes or the guarantees. We do not currently have any secured indebtedness, but may have secured
indebtedness in the future. In the event of a default on such secured indebtedness or our bankruptcy, liquidation or reorganization, our assets would be
available to satisfy obligations with respect to the indebtedness secured thereby before any payment could be made on the notes or the guarantees.
While the indenture governing the notes places some limitations on our ability to create liens, there are significant exceptions to these limitations,
including with respect to sale and leaseback transactions, which will allow us to secure some kinds of indebtedness without equally and ratably securing
the notes. To the extent the value of the collateral is not sufficient to satisfy the secured indebtedness, the holders of that indebtedness would be entitled to
share with the holders of the notes and the holders of other claims against us with respect to our other assets.

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Your ability to transfer the notes at a time or price you desire may be limited by the absence of an active trading market, which may not develop.
Each series of notes is a new issue of securities for which there is no established public market. Although we have registered the offer and sale of the
notes under the U.S. Securities Act of 1933, as amended (the "Securities Act"), we do not intend to apply for the listing of the notes on any securities
exchange or for the quotation of the notes in any automated dealer quotation system. In addition, although the underwriters have informed us that they
intend to make a market in each series of notes, as permitted by applicable laws and regulations, they are not obligated to do so, and they may discontinue
their market making activities at any time without notice. An active market for the notes may not develop or, if developed, may not continue. In the
absence of an active trading market, you may not be able to transfer the notes within a time or at a price you desire or at all.
Upon an event of default, we may have insufficient funds to make any payments due on the notes.
A default under the indenture that will govern the notes, the indentures governing our and ONEOK Partners' senior notes, our revolving credit
agreement, our term loan facility or any other debt that we may have outstanding from time to time could result in an event of default under that agreement
after any applicable grace period. If not waived or rescinded, the default could result in acceleration of the debt outstanding under that agreement and a
default with respect to, and an acceleration of, the debt outstanding under other debt agreements, including the indenture that will govern the notes. The
accelerated debt would become immediately due and payable. If that occurs, we may not be able to make all of the required payments or borrow sufficient
funds to refinance such debt. Even if new financing were available at that time, it may not be on terms that are acceptable to us. If our debt is in default for
any reason, our business, financial condition and results of operations could be materially adversely affected.

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USE OF PROCEEDS
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We estimate the net proceeds from this offering, after deducting underwriting discounts and the estimated expenses of this offering payable by us,
will be approximately $1.63 billion. We anticipate using the net proceeds from this offering (i) to repay all amounts outstanding under our commercial
paper program and (ii) for general corporate purposes, which may include the repayment of other existing indebtedness and the funding of capital
expenditures.
As of December 31, 2019, we had approximately $220.0 million of commercial paper outstanding with a weighted-average annual interest rate of
2.16% and a weighted average maturity of 19.74 days.

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CAPITALIZATION
The following table sets forth our cash and cash equivalents and capitalization as of December 31, 2019, on:


·
a historical basis; and

·
an as adjusted basis to give effect to the offering of the notes offered hereby and the application of the net proceeds therefrom in the manner

described under "Use of Proceeds."
This table should be read in conjunction with our historical consolidated financial statements and the notes to those financial statements that are
incorporated by reference into this prospectus supplement and the accompanying base prospectus. You should also read this table in conjunction with
"Management's Discussion and Analysis of Financial Condition and Results of Operation" in our Annual Report on Form 10-K for the year ended
December 31, 2019, which is incorporated by reference herein.



December 31, 2019



Historical

As Adjusted


(thousands of dollars)

Cash and cash equivalents
$
20,958 $
1,434,774








Debt, including current maturities:


2.200% notes due 2025
$
-- $
400,000
3.100% notes due 2030


850,000
4.500% notes due 2050

--
400,000
$2.5 billion revolving credit agreement(1)

--
--
$2.5 billion commercial paper program(2)

220,000
--
Current maturities of long-term debt

7,650
7,650
$1.5 billion term loan facility

1,250,000
1,250,000
Other long-term debt

11,336,054
11,336,054








Total debt

12,813,704
14,243,704








Total shareholders' equity

6,225,951
6,255,951








Total capitalization
$
19,039,655 $
20,469,655









(1)
As of March 4, 2020, ONEOK had no borrowings outstanding under its revolving credit agreement.
(2)
As of March 4, 2020, ONEOK had $1.1 billion aggregate principal amount of commercial paper indebtedness outstanding.

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DESCRIPTION OF NOTES
The following description is a summary of the material terms of our notes. The descriptions in this prospectus supplement and the accompanying
base prospectus contain a description of certain terms of the notes and the indenture under which the notes will be issued but do not purport to be
complete, and reference is hereby made to the indenture that is an exhibit to the registration statement of which this prospectus supplement and the
accompanying base prospectus are a part and to the U.S. Trust Indenture Act of 1939, as amended. This summary supplements the description of debt
securities in the accompanying base prospectus and, to the extent it is inconsistent, replaces the description in the accompanying base prospectus. We urge
you to read the indenture because it, and not this description, defines your rights as a holder of the notes. The following description of the notes and the
description of the debt securities contained in the accompanying base prospectus are not complete and are subject to, and are qualified in their entirety by
reference to, all the provisions of the indenture. You may request a copy of the indenture from us as set forth under "Where You Can Find More
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