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Filed Pursuant to Rule 424(b)(2)

Registration No 333-195496

CALCULATION OF REGISTRATION FEE

(1)   This filing fee is calculated in accordance with Rule 457(r) under the Securities Act of 1933, as amended. In accordance with Rules 456(b) and 457(r) under the Securities Act, the registrant initially deferred payment of all of the registration fees for Registration Statement No. 333-195496 filed by the registrant on April 25, 2014.

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PROSPECTUS SUPPLEMENT TO PROSPECTUS DATED APRIL 25, 2014

$350,000,000

CMS Energy Corporation

3.45% Senior Notes due 2027

We are offering $350,000,000 aggregate principal amount of our 3.45% Senior Notes due 2027, referred to as the Notes. The Notes will bear interest at the rate of 3.45% per year. Interest on the Notes is payable semi-annually in arrears on February 15 and August 15 of each year, commencing on August 15, 2017. The Notes will mature on August 15, 2027.

We may redeem some or all of the Notes at our option at any time for cash at the applicable redemption price described in this prospectus supplement, plus accrued and unpaid interest, if any, thereon to, but not including, the redemption date. See “Description of the Notes — Optional Redemption”. There will be no sinking fund for the Notes.

The Notes will be issued only in denominations of $2,000 and integral multiples of $1,000 in excess thereof. The Notes will be CMS Energy Corporation’s unsecured senior obligations and will rank equal in right of payment with all of CMS Energy Corporation’s other existing and future unsecured senior indebtedness.

The Notes will constitute a new series of securities with no established trading market. We do not intend to apply to list the Notes for trading on any national securities exchange or to include the Notes in any automated quotation system.

This investment involves risk. See “Risk Factors” beginning on page S-9 of this prospectus supplement and page 3 of the accompanying prospectus and the “Risk Factors” section beginning on page 31 of our Annual Report on Form 10-K for the fiscal year ended December 31, 2016, which is incorporated by reference into this prospectus supplement and the accompanying prospectus.

Interest on the Notes will accrue from February 13, 2017 to the date of delivery.

Neither the 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 prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

We expect to deliver the Notes on or about February 13, 2017 only in book-entry form through the facilities of The Depository Trust Company for the accounts of its participants, including Euroclear Bank S.A./N.V., as operator of the Euroclear System, and Clearstream Banking, société anonyme.

Joint Book-Running Managers

The date of this prospectus supplement is February 8, 2017.

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ABOUT THIS PROSPECTUS SUPPLEMENT

This document is in two parts. The first part is this prospectus supplement, which describes the specific terms of this offering of the Notes and also adds to and updates information contained or incorporated by reference in the accompanying prospectus and the documents incorporated by reference into this prospectus supplement and the accompanying prospectus. The second part is the accompanying prospectus, which contains a description of the securities registered by us and gives more general information, some of which may not apply to the Notes. To the extent there is a conflict between the information contained or incorporated by reference in this prospectus supplement (or any free writing prospectus), on the one hand, and the information contained or incorporated by reference in the accompanying prospectus, on the other hand, the information contained or incorporated by reference in this prospectus supplement (or any free writing prospectus) shall control.

This prospectus supplement and the accompanying prospectus are part of a registration statement that we filed with the Securities and Exchange Commission (“SEC”) using a “shelf” registration process. Under the registration statement, we may sell securities, including Notes, of which this offering is a part.

It is important for you to read and consider all information contained in this prospectus supplement and the accompanying prospectus, including the documents incorporated by reference herein and therein, in making your investment decision. This prospectus supplement and the accompanying prospectus incorporate important business and financial information about us and our subsidiaries that is not included in or delivered with these documents. This information is available without charge to security holders upon written or oral request. See “Where You Can Find More Information”.

The terms “CMS Energy”, “we”, “our” and “us” as used in this document refer to CMS Energy Corporation and its subsidiaries and predecessors as a combined entity, except where it is made clear that such term means only CMS Energy Corporation.

This prospectus supplement, the accompanying prospectus and any free writing prospectus that we prepare or authorize contain and incorporate by reference information that you should consider when making your investment decision. We have not, and the underwriters and their affiliates and agents have not, authorized anyone to provide you with different or additional information. If anyone provides you with different or additional information, you should not rely on it. We are not, and the underwriters and their affiliates and agents are not, making an offer to sell these securities in any jurisdiction where the offer or sale is not permitted. This prospectus supplement may only be used where it is legal to sell these securities. You should assume that the information contained in this prospectus supplement, the accompanying prospectus, any such free writing prospectus and the documents incorporated by reference herein and therein is accurate only as of their respective dates or on other dates that are specified in those documents, regardless of the time of delivery of this prospectus supplement and the accompanying prospectus. Our business, financial condition, liquidity, results of operations and prospects may have changed since these dates.

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SUMMARY

This summary may not contain all of the information that may be important to you. You should read carefully this prospectus supplement and the accompanying prospectus and the documents incorporated by reference into this prospectus supplement and the accompanying prospectus in their entirety before making an investment decision.

CMS Energy Corporation

CMS Energy is an energy company operating primarily in Michigan and is the parent holding company of several subsidiaries, including Consumers Energy Company (“Consumers”) and CMS Enterprises Company (“Enterprises”). Consumers is an electric and gas utility company serving Michigan’s lower peninsula. Consumers owns and operates electric generation, transmission and distribution facilities and gas transmission, storage and distribution facilities. Consumers serves individuals and businesses operating in the alternative energy, automotive, chemical, metal and food products industries, as well as a diversified group of other industries. Consumers provides electricity and/or natural gas to 6.7 million of Michigan’s 10 million residents. Consumers’ rates and certain other aspects of its business are subject to the jurisdiction of the Michigan Public Service Commission and the Federal Energy Regulatory Commission, as well as to North American Electric Reliability Corporation reliability standards. Enterprises, through its subsidiaries and equity investments, is engaged primarily in domestic independent power production, the marketing of independent power production and the development of renewable generation and owns power generation facilities fueled mostly by natural gas and renewable sources. CMS Energy manages its businesses by the nature of services each provides and operates principally in three business segments: electric utility, gas utility, and enterprises, its non-utility operations and investments. CMS Energy’s principal executive offices are located at One Energy Plaza, Jackson, Michigan 49201, and CMS Energy’s telephone number is (517) 788-0550.

Recent Developments

2016 Results of Operations

NET INCOME AVAILABLE TO COMMON STOCKHOLDERS

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Presented in the following table are specific after-tax changes to net income available to common stockholders:

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The Offering

The following summary is qualified in its entirety by reference to the more detailed information appearing elsewhere in this prospectus supplement and the accompanying prospectus. For additional information concerning the Notes, see “Description of the Notes”.

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Selected Historical Consolidated Financial Data

The following selected historical consolidated financial data for the fiscal years ended December 31, 2016, 2015, 2014, 2013 and 2012 have been derived from our audited consolidated financial statements, which have been audited by PricewaterhouseCoopers LLP, independent registered public accounting firm. The financial information set forth below is qualified by and should be read in conjunction with our consolidated financial statements, related notes and other financial information also incorporated by reference in this prospectus supplement. See “Where You Can Find More Information”. For selected balance sheet information, see “Capitalization”.

(a)         Certain prior period amounts have been adjusted as required to reflect the implementation of new accounting standards.

(b)         Our cash flow statements include amounts related to discontinued operations through the date of disposal.

(c)  For purposes of computing the ratio, earnings represent the sum of income from continuing operations before income taxes and income from equity method investees, net interest charges and the estimated interest portions of lease rentals, plus distributed income of equity method investees.

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RISK FACTORS

An investment in the Notes involves a significant degree of risk. You should consider carefully the following risk factors, together with all of the other information included or incorporated by reference in this prospectus supplement and the accompanying prospectus. In particular, you should carefully consider the factors listed in “Forward-Looking Statements and Information” as well as the “Risk Factors” contained in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016, which is incorporated by reference into this prospectus supplement, before you decide to purchase the Notes. This prospectus supplement, the accompanying prospectus and the documents that we incorporate by reference or that are deemed to be incorporated by reference in this prospectus supplement or the accompanying prospectus, and other written and oral statements that we make, contain forward-looking statements as defined by the Private Securities Litigation Reform Act of 1995 and relevant legal decisions. Our intention with the use of words such as “might”, “may”, “could”, “should”, “anticipates”, “believes”, “estimates”, “expects”, “intends”, “plans”, “projects”, “forecasts”, “predicts”, “assumes” and other similar words is to identify forward-looking statements that involve risk and uncertainty. We have no obligation to update or revise any forward-looking statements regardless of whether new information, future events or any other factors affect the information contained in the statements. The risks and uncertainties described below and those incorporated from the referenced Annual Report on Form 10-K are not the only ones we may confront. Additional risks and uncertainties not currently known to us or that we currently deem not material also may impair our business operations. If any of those risks actually occur, our business, financial condition, operating results, cash flow and prospects could be materially adversely affected. This section contains forward-looking statements.

The Notes will be effectively subordinated to any existing and future secured indebtedness and structurally subordinated to existing and future liabilities and other indebtedness of our subsidiaries.

The Notes will be general, unsecured senior obligations of CMS Energy Corporation only and will rank equal in right of payment with all of CMS Energy Corporation’s other existing and future unsecured senior indebtedness. As a result, the Notes will be effectively subordinated to CMS Energy Corporation’s existing and future secured indebtedness to the extent of the value of the related collateral securing that indebtedness and structurally subordinated to any existing and future indebtedness and other liabilities of our subsidiaries. These liabilities may include indebtedness, trade payables, guarantees, lease obligations and letter of credit obligations. None of our subsidiaries has any obligation with respect to the Notes. The Notes do not restrict us or our subsidiaries from incurring additional indebtedness, including secured indebtedness.

We may choose to redeem the Notes prior to maturity.

We may redeem all or a portion of the Notes at any time at the applicable redemption price described in this prospectus supplement. See “Description of the Notes — Optional Redemption”. If prevailing interest rates are lower at the time of redemption, holders of the Notes to be redeemed may not be able to reinvest the redemption proceeds in a comparable security at an interest rate as high as the interest rate of the Notes being redeemed.

We cannot provide assurance that an active trading market will develop for the Notes.

The Notes will constitute a new series of securities with no established trading market. We do not intend to apply to list the Notes for trading on any national securities exchange or to include the Notes in any automated quotation system. We cannot provide assurance that an active trading market for the Notes will develop or as to the liquidity or sustainability of any market, the ability of holders of the Notes to sell their Notes or the price at which holders of the Notes will be able to sell their Notes. Future trading prices of the Notes will also depend on many other factors, including, among other things, prevailing interest rates, the market for similar securities, our financial performance and other factors.

The terms of the indenture and the Notes do not provide protection against certain significant events that could adversely impact a holder’s investment in the Notes.

Anyone evaluating the terms of the Notes should be aware that the terms of the indenture and the Notes do not restrict our ability to engage in, or to otherwise be a party to, a variety of corporate transactions, circumstances and events that could have an adverse impact on an investment in the Notes. In particular, the indenture for the Notes does not:

·                       permit the holders of the Notes to require us to repurchase the Notes in the event we undergo a change of control or similar transaction;

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·                       require us to maintain any financial ratios or specific levels of net worth, revenues, income, cash flow or liquidity;

·                       limit our ability to incur unsecured indebtedness;

·                       restrict our subsidiaries’ ability to issue securities or otherwise incur indebtedness or other obligations that would be senior to our equity interests in our subsidiaries and therefore rank effectively senior to the Notes with respect to the assets of our subsidiaries;

·                       restrict our ability to repurchase or prepay any of our other securities or indebtedness; or

·                       restrict our ability to make investments or to repurchase, or pay dividends or make other payments in respect of, our common stock or other securities ranking junior to the Notes.

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USE OF PROCEEDS

We estimate that the net proceeds from the sale of the Notes, after deducting underwriting discounts and commissions but before deducting estimated offering expenses, will be approximately $347,203,500. We intend to use the net proceeds of the offering of the Notes for general corporate purposes.

RATIOS OF EARNINGS TO FIXED CHARGES

The ratios of earnings to fixed charges for the fiscal years ended December 31, 2012 through 2016 are as follows:

(a)      For purposes of computing the ratio, earnings represent the sum of income from continuing operations before income taxes and income from equity method investees, net interest charges and the estimated interest portions of lease rentals, plus distributed income of equity method investees.

See Exhibit 12.1 to CMS Energy’s Annual Report on Form 10-K for the fiscal year ended December 31, 2016 for the items constituting earnings and fixed charges, including the estimated interest portion of lease rental in respect of fixed charges.

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CAPITALIZATION

The following table sets forth our capitalization at December 31, 2016 on an actual basis and on an as adjusted basis to reflect the sale of $350,000,000 of Notes in this offering and the application of the net proceeds as described under “Use of Proceeds”. This table should be read in conjunction with “Summary — Selected Historical Consolidated Financial Data” contained in this prospectus supplement and our consolidated financial statements and related notes and other financial information incorporated by reference in this prospectus supplement. See “Where You Can Find More Information”.

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DESCRIPTION OF THE NOTES

The terms “CMS Energy”, “we”, “our” and “us”, as used in this section, refer only to CMS Energy Corporation and not to any of its subsidiaries.

General

The Notes will be issued as a series of senior debt securities under the indenture that is referred to in the accompanying prospectus as the senior debt indenture, as supplemented by a supplemental indenture thereto establishing the terms of the Notes to be dated as of February 13, 2017 (the “supplemental indenture”). The Notes will be initially limited in aggregate principal amount to $350,000,000. The indenture permits us to “re-open” the offering of the Notes without the consent of the holders of the Notes. Accordingly, the principal amount of the Notes may be increased in the future on the same terms and conditions (except the price to the public, the date of original issuance and, if applicable, the initial interest accrual date and the first interest payment date) and with the same CUSIP number as the Notes being offered by this prospectus supplement, provided that such additional notes must be part of the same issue as the Notes offered hereby for U.S. federal income tax purposes or, if they are not part of the same issue for such purposes, such additional notes must be issued with a separate CUSIP number. The Notes offered by this prospectus supplement and any such additional notes will constitute a single series of debt securities. This means that, in circumstances where the indenture provides for the holders of notes to vote or take any action, the holders of the Notes offered by this prospectus supplement and the holders of any such additional notes will vote or take that action as a single class. The Notes will be unsecured and unsubordinated senior debt securities of CMS Energy.

We may issue debt securities from time to time in one or more series under the indenture. There is no limitation on the amount of debt securities we may issue under the indenture. The indenture does not limit our ability to incur additional indebtedness, including secured indebtedness. The covenants contained in the indenture would not necessarily afford holders of Notes protection in the event of a highly leveraged transaction or other transaction involving us that may adversely affect the holders. In addition, the indenture and the terms of the Notes do not permit the holders of Notes to require us to repurchase the Notes in the event we undergo a change of control or similar transaction.

The statements herein concerning the Notes and the indenture are a summary and do not purport to be complete and are subject to, and qualified in their entirety by, all of the provisions of the indenture, which is incorporated herein by this reference. They make use of defined terms and are qualified in their entirety by express reference to the indenture, including the supplemental indenture, a copy of which will be made available upon request to the trustee.

Ranking

The Notes will be our unsecured senior obligations and will rank equal in right of payment with all of our existing and future unsecured senior indebtedness. The Notes will be effectively subordinated to our existing and future secured indebtedness to the extent of the value of the related collateral securing that indebtedness and structurally subordinated to the indebtedness and other liabilities of our subsidiaries.

CMS Energy is a holding company that conducts substantially all of its operations through its subsidiaries. Its only significant assets are the capital stock of its subsidiaries, and its subsidiaries generate substantially all of its operating income and cash flow. As a result, dividends or advances from its subsidiaries are the principal source of funds necessary to meet its debt service obligations. Contractual provisions or laws, as well as its subsidiaries’ financial condition and operating requirements, may limit CMS Energy’s ability to obtain cash from its subsidiaries that it may require to pay its debt service obligations, including payments on the Notes. In addition, the Notes will be effectively subordinated to all of the liabilities of CMS Energy’s subsidiaries with regard to the assets and earnings of CMS Energy’s subsidiaries. The subsidiaries are separate and distinct legal entities and have no obligation, contingent or otherwise, to pay any amounts due pursuant to the Notes or to make any funds available therefor, whether by dividends, loans or other payments. CMS Energy’s rights and the rights of its creditors, including holders of Notes, to participate in the distribution of assets of any subsidiary upon the latter’s liquidation or reorganization will be subject to prior claims of the subsidiaries’ creditors, including trade creditors.

As of December 31, 2016, CMS Energy had outstanding approximately $2.7 billion aggregate principal amount of unsecured senior indebtedness, and CMS Energy’s subsidiaries had outstanding approximately $14.9 billion of indebtedness and other liabilities.

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Payment and Maturity

The Notes will mature on August 15, 2027 unless earlier redeemed. The Notes will bear interest at a rate of 3.45% per year. At maturity, CMS Energy will pay the aggregate principal amount of the Notes then outstanding. Each Note will bear interest from the original date of issue, payable semi-annually in arrears on February 15 and August 15 of each year, commencing on August 15, 2017, and at the date of maturity. We will pay interest to holders of record at 5:00 p.m., New York City time, on the February 1 and August 1 preceding the relevant interest payment date (whether or not a business day), except that interest payable at stated maturity shall be paid to the person or entity to whom the principal amount is paid. Interest payable on any interest payment date or on the date of maturity will be the amount of interest accrued from and including the date of original issuance or from and including the most recent interest payment date on which interest has been paid or duly made available for payment to but excluding such interest payment date or the date of maturity, as the case may be. So long as the Notes are in book-entry form, principal of and interest on the Notes will be payable, and the Notes may be transferred, only through the facilities of DTC. Interest on the Notes will be computed on the basis of a 360-day year consisting of twelve 30-day months.

In any case where any interest payment date, redemption date or maturity date of any Note shall not be a business day at any place of payment, then payment of interest or principal (and premium, if any) need not be made on such date, but may be made on the next succeeding business day at such place of payment with the same force and effect as if made on the interest payment date, redemption date or maturity date; and no interest shall accrue on the amount so payable for the period from and after such interest payment date, redemption date or maturity date, as the case may be, to such business day.

Registration, Transfer and Exchange

The Notes will be initially issued in the form of one or more Notes in registered, global form, without coupons, in denominations of $2,000 and integral multiples of $1,000 in excess thereof as described under “Book-Entry System” below. The global Notes will be registered in the name of the nominee of DTC. Except as described under “Book-Entry System” below, owners of beneficial interests in a global Note will not be entitled to have Notes registered in their names, will not receive or be entitled to receive physical delivery of any such Note and will not be considered the registered holder thereof under the indenture.

Optional Redemption

The Notes will be redeemable at CMS Energy’s option, in whole or in part, at any time or from time to time, at a redemption price equal to 100% of the principal amount of such Notes being redeemed plus, in the case of any redemption prior to the par call date (as defined below), the applicable premium (as defined below), if any, thereon at the time of redemption, together with (at any time) accrued and unpaid interest, if any, thereon to, but not including, the redemption date. In no event will the redemption price be less than 100% of the principal amount of the Notes being redeemed plus accrued and unpaid interest, if any, thereon to, but not including, the redemption date.

The following definitions are used to determine the applicable premium:

“Par call date” means May 15, 2027.

“Applicable premium” means, with respect to a Note (or portion thereof) being redeemed at any time prior to the par call date, the excess of (i) the present value at the redemption date of (A) the principal amount of such Note (or portion thereof) being redeemed as though such Note (or portion thereof) matured on the par call date plus (B) all remaining scheduled interest payments on such Note (or portion thereof) after such redemption date that would be due if such Note matured on the par call date (but, for the avoidance of doubt, excluding any portion of such payments of interest accrued to such redemption date), which present value shall be computed by CMS Energy using a discount rate equal to the treasury rate (as defined below) plus 20 basis points, over (ii) the principal amount of such Note (or portion thereof) being redeemed at such time. For purposes of this definition, the present values of interest and principal payments will be determined in accordance with generally accepted principles of financial analysis.

“Treasury rate” means the yield to maturity at the time of computation of United States Treasury securities with a constant maturity (as compiled and published in the most recent Federal Reserve Statistical Release H.15 (the “statistical release”)) that has become publicly available at least two business days prior to the redemption date or, in case of defeasance, prior to the date of deposit (or, if such statistical release is no longer published, any publicly available source of similar market data) most nearly equal to the then remaining average life to stated maturity of the Notes being redeemed (assuming for this purpose that such Notes matured on the par call date); provided, however, that if the average life to stated maturity of the Notes being redeemed is not equal to the constant

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maturity of a United States Treasury security for which a weekly average yield is given, the treasury rate shall be obtained by CMS Energy by linear interpolation (calculated to the nearest one-twelfth of a year) from the weekly average yields of United States Treasury securities for which such yields are given.

If less than all of the Notes are to be redeemed and (i) the Notes are in global form, the interests in the Notes to be redeemed shall be selected for redemption by DTC in accordance with DTC’s standard procedures therefor, and (ii) the Notes are in definitive form, the Notes to be redeemed shall be selected by lot. Notice of redemption shall be delivered not less than 10 nor more than 60 days prior to the date fixed for redemption to the holders of the Notes to be redeemed (which, as long as the Notes are held in the book-entry only system, will be DTC (or its nominee) or a successor depositary (or the successor’s nominee)); provided, however, that the failure to duly deliver such notice, or any defect therein, shall not affect the validity of any proceedings for the redemption of the Notes as to which there shall have been no such failure or defect. On and after the date fixed for redemption (unless CMS Energy shall default in the payment of the Notes or portions thereof to be redeemed at the applicable redemption price, together with accrued and unpaid interest, if any, thereon to, but not including, such date), interest on the Notes or the portions thereof so called for redemption shall cease to accrue.

Sinking Fund Requirement

The Notes will not have the benefit of any sinking fund.

Limitation on Certain Liens

Under the terms of the indenture, so long as any of the Notes are outstanding, CMS Energy shall not create, incur, assume or suffer to exist any lien (as defined below) upon or with respect to any of its property of any character, including without limitation any shares of capital stock (as defined below) of Consumers or Enterprises, without making effective provision whereby the Notes shall be (so long as any such other creditor shall be so secured) equally and ratably secured. The foregoing restrictions shall not apply to (i) liens securing indebtedness (as defined below) of CMS Energy, provided that on the date such liens are created, and after giving effect to such indebtedness, the aggregate principal amount at maturity of all of the secured indebtedness of CMS Energy at such date shall not exceed 10% of consolidated net tangible assets (as defined below), or (ii) certain liens for taxes, pledges to secure workman’s compensation, other statutory obligations and support obligations (as defined below), certain materialman’s, mechanic’s and similar liens and certain purchase money liens.

The following terms used in this section have the following meanings:

“Business day” means a day on which banking institutions in New York, New York are not authorized or required by law or regulation to close.

“Capital lease obligation” of a person (as defined below) means any obligation that is required to be classified and accounted for as a capital lease on the face of a balance sheet of such person prepared in accordance with generally accepted accounting principles; the amount of such obligation shall be the capitalized amount thereof, determined in accordance with generally accepted accounting principles; the stated maturity thereof shall be the date of the last payment of rent or any other amount due under such lease prior to the first date upon which such lease may be terminated by the lessee without payment of a penalty; and such obligation shall be deemed secured by a lien on any property or assets to which such lease relates.

“Capital stock” means any and all shares, interests, rights to purchase, warrants, options, participations or other equivalents of or interests in (however designated) corporate stock, including any preferred stock (as defined below) or letter stock (as defined below).

“Consolidated assets” means, at any date of determination, the aggregate assets of CMS Energy and its consolidated subsidiaries (as defined below) determined on a consolidated basis in accordance with generally accepted accounting principles.

“Consolidated current liabilities” means, for any period, the aggregate amount of liabilities of CMS Energy and its consolidated subsidiaries that may properly be classified as current liabilities (including taxes accrued as estimated), after (i) eliminating all inter-company items between CMS Energy and any consolidated subsidiary and (ii) deducting all current maturities of long-term indebtedness, all as determined in accordance with generally accepted accounting principles.

“Consolidated net tangible assets” means, for any period, the total amount of assets (less accumulated depreciation or amortization, allowances for doubtful receivables, other applicable reserves and other properly deductible items) as set forth on the most recently available quarterly or annual consolidated balance sheet of CMS Energy and its consolidated subsidiaries, determined

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on a consolidated basis in accordance with generally accepted accounting principles, and after giving effect to purchase accounting and after deducting therefrom, to the extent otherwise included, the amounts of:

·        consolidated current liabilities;

·        minority interests in consolidated subsidiaries held by persons other than CMS Energy or a restricted subsidiary (as defined below);

·        excess of cost over fair value of assets of businesses acquired, as determined in good faith by the board of directors of CMS Energy as evidenced by resolutions of the board of directors of CMS Energy;

·        any revaluation or other write-up in value of assets subsequent to December 31, 1996, as a result of a change in the method of valuation in accordance with generally accepted accounting principles;

·        unamortized debt discount and expenses and other unamortized deferred charges, goodwill, patents, trademarks, service marks, trade names, copyrights, licenses, organization or developmental expenses and other intangible items;

·        treasury stock; and

·        any cash set apart and held in a sinking or other analogous fund established for the purpose of redemption or other retirement of capital stock to the extent such obligation is not reflected in consolidated current liabilities.

“Consolidated subsidiary” means any subsidiary (as defined below) whose accounts are or are required to be consolidated with the accounts of CMS Energy in accordance with generally accepted accounting principles.

“Indebtedness” of any person means, without duplication:

·        the principal of and premium (if any) in respect of (i) indebtedness of such person for money borrowed and (ii) indebtedness evidenced by notes, debentures, bonds or other similar instruments for the payment of which such person is responsible or liable;

·        all capital lease obligations of such person;

·        all obligations of such person issued or assumed as the deferred purchase price of property, all conditional sale obligations and all obligations under any title retention agreement (but excluding trade accounts payable arising in the ordinary course of business);

·        all obligations of such person for the reimbursement of any obligor on any letter of credit, bankers’ acceptance or similar credit transaction (other than obligations with respect to letters of credit securing obligations (other than obligations described in the bullet points above) entered into in the ordinary course of business of such person to the extent such letters of credit are not drawn upon or, if and to the extent drawn upon, such drawing is reimbursed no later than the third business day following receipt by such person of a demand for reimbursement following payment on the letter of credit);

·        all obligations of the type referred to in the bullet points above of other persons and all dividends of other persons for the payment of which, in either case, such person is responsible or liable as obligor, guarantor or otherwise; and

·        all obligations of the type referred to in the bullet points above of other persons secured by any lien on any property or asset of such person (whether or not such obligation is assumed by such person), the amount of such obligation being deemed to be the lesser of the value of such property or assets or the amount of the obligation so secured.

“Letter stock” as applied to the capital stock of any corporation means capital stock of any class or classes (however designated) that is intended to reflect the separate performance of certain of the businesses or operations conducted by such corporation or any of its subsidiaries.

“Lien” means any lien, mortgage, pledge, security interest, conditional sale, title retention agreement or other charge or encumbrance of any kind, or any other type or arrangement intended or having the effect of conferring upon a creditor of us or any Subsidiary a preferential interest.

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“Person” means any individual, corporation, partnership, limited liability company, joint venture, association, joint-stock company, trust, unincorporated organization, government or any agency or political subdivision of any government, or any other entity.

“Preferred stock” as applied to the capital stock of any corporation means capital stock of any class or classes (however designated) that is preferred as to the payment of dividends, or as to the distribution of assets upon any voluntary or involuntary liquidation or dissolution of such corporation, over shares of capital stock of any other class of such corporation.

“Restricted subsidiary” means any subsidiary (other than Consumers and its subsidiaries) of CMS Energy that, as of the date of CMS Energy’s most recent quarterly consolidated balance sheet, constituted at least 10% of the total consolidated assets of CMS Energy and its consolidated subsidiaries and any other subsidiary that from time to time is designated a restricted subsidiary by the board of directors of CMS Energy; provided that no subsidiary may be designated a restricted subsidiary if, immediately after giving effect thereto, an event of default or event that, with the lapse of time or giving of notice or both, would constitute an event of default would exist, and (i) any such subsidiary so designated as a restricted subsidiary must be organized under the laws of the United States or any state thereof, (ii) more than 80% of the voting stock of such subsidiary must be owned of record and beneficially by CMS Energy or a restricted subsidiary and (iii) such restricted subsidiary must be a consolidated subsidiary. For purposes of this definition, “voting stock” means securities of any class or classes the holders of which are ordinarily, in the absence of contingencies, entitled to vote for corporate directors (or persons performing similar functions).

“Subsidiary” means a corporation more than 50% of the outstanding voting stock of which is owned, directly or indirectly, by CMS Energy or by one or more other subsidiaries, or by CMS Energy and one or more other subsidiaries. For the purposes of this definition, “voting stock” means stock that ordinarily has voting power for the election of directors, whether at all times or only so long as no senior class of stock has such voting power by reason of any contingency.

“Support obligations” means, for any person, without duplication, any financial obligation, contingent or otherwise, of such person guaranteeing or otherwise supporting any debt or other obligation of any other person in any manner, whether directly or indirectly, and including, without limitation, any obligation of such person, direct or indirect:

·        to purchase or pay (or advance or supply funds for the purchase or payment of) such debt or to purchase (or to advance or supply funds for the purchase of) any security for the payment of such debt;

·        to purchase property, securities or services for the purpose of assuring the owner of such debt of the payment of such debt;

·        to maintain working capital, equity capital, available cash or other financial statement condition of the primary obligor so as to enable the primary obligor to pay such debt;

·        to provide equity capital under or in respect of equity subscription arrangements (to the extent that such obligation to provide equity capital does not otherwise constitute debt); or

·        to perform, or arrange for the performance of, any non-monetary obligations or non-funded debt payment obligations of the primary obligor.

Limitation on Consolidation, Merger and Sales

Under the terms of the indenture or the Notes, nothing shall prevent any consolidation or merger of CMS Energy with or into any other person or persons (whether or not affiliated with CMS Energy), or successive consolidations or mergers in which CMS Energy or its successor or successors shall be a party or parties, or shall prevent any conveyance, transfer or lease of the property of CMS Energy as an entirety or substantially as an entirety, to any other person (whether or not affiliated with CMS Energy); provided, however, that:

·        in case CMS Energy shall consolidate with or merge into another person or convey, transfer or lease its properties and assets as an entirety or substantially as an entirety to any person, the entity formed by such consolidation or into which CMS Energy is merged or the person that acquires by conveyance or transfer, or that leases, the properties and assets of CMS Energy as an entirety or substantially as an entirety shall be a corporation or a limited liability company organized and existing under the laws of the United States of America, any state thereof or the District of Columbia and shall expressly assume, by an indenture (or indentures, if at such time there is more than one trustee) supplemental to the indenture, executed by the successor person and delivered to the trustee, in

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form satisfactory to the trustee, the due and punctual payment of the principal of and any premium and interest on the Notes and the performance of every obligation in the indenture and the Notes on the part of CMS Energy to be performed or observed;

·        immediately after giving effect to such transaction, no event of default or event that, after notice or lapse of time, or both, would become an event of default, shall have occurred and be continuing; and

·        either CMS Energy or the successor person shall have delivered to the trustee an officers’ certificate and an opinion of counsel, each stating that such consolidation, merger, conveyance, transfer or lease and, if a supplemental indenture is required in connection with such transaction, such supplemental indenture complies with the provisions of the indenture and all conditions precedent therein relating to such transaction.

Upon any consolidation by CMS Energy with or merger of CMS Energy into any other person or any conveyance, transfer or lease of the properties and assets of CMS Energy substantially as an entirety to any person as described above, the successor person formed by such consolidation or into which CMS Energy is merged or to which such conveyance, transfer or lease is made shall succeed to, and be substituted for, and may exercise every right and power of, CMS Energy under the indenture with the same effect as if such successor person had been named as CMS Energy therein; and thereafter, except in the case of a lease, the predecessor person shall be released from all obligations and covenants under the indenture and the Notes.

An assumption by any person of CMS Energy’s obligations under the Notes and the indenture might be deemed for U.S. federal income tax purposes to be an exchange of the Notes for new Notes by the holders thereof, resulting in recognition of gain or loss for such purposes and possibly other adverse tax consequences to the holders. Holders should consult their own tax advisors regarding the tax consequences of such an assumption.

Events of Default

The occurrence of any of the following events with respect to the Notes will constitute an “event of default” with respect to the Notes:

·        default in the payment of any interest on any of the Notes when it becomes due and payable, and continuance of such default for a period of 30 days;

·        default in the payment when due and payable of any of the principal of or the premium, if any, on any of the Notes, whether at maturity, upon redemption, acceleration or otherwise;

·        default for 60 days by CMS Energy in the observance or performance of any other covenant or agreement contained in the indenture or the Notes after written notice thereof as provided in the indenture;

·        certain events of bankruptcy, insolvency or reorganization relating to CMS Energy or Consumers;

·        entry of final judgments against CMS Energy or Consumers aggregating in excess of $25,000,000, which remain undischarged or unbonded for 60 days;

·        a default resulting in the acceleration of indebtedness of CMS Energy or Consumers in excess of $25,000,000, which acceleration has not been rescinded or annulled within ten days after written notice of such default as provided in the indenture; or

·        a default in our obligation to redeem the Notes after we exercised our redemption option.

If any event of default on the Notes shall have occurred and be continuing, either the trustee or the holders of not less than 25% in aggregate principal amount of the Notes then outstanding may declare the principal of all of the Notes and the premium thereon and interest, if any, accrued thereon to be due and payable immediately.

The indenture provides that the trustee will be under no obligation to exercise any of its rights or powers under the indenture at the request, order or direction of the holders of the Notes, unless such holders shall have offered to the trustee reasonable indemnity. Subject to such provisions for indemnity and certain other limitations contained in the indenture, the holders of a majority in aggregate principal amount of the senior debt securities of each affected series then outstanding (voting as one class) will have the right to direct

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the time, method and place of conducting any proceeding for any remedy available to the trustee, or exercising any trust or power conferred on the trustee, with respect to the senior debt securities of such affected series.

After a declaration of acceleration, but before a judgment or decree for payment of the money due has been obtained by the trustee, the holders of a majority in aggregate principal amount of the outstanding Notes, by written notice to us and the trustee, may rescind and annul such declaration if:

·        we have paid (or deposited with the trustee a sum sufficient to pay): (i) all overdue interest on all Notes; (ii) the principal amount of any Notes that have become due otherwise than by such declaration of acceleration; (iii) to the extent that payment of such interest is lawful, interest upon overdue interest; and (iv) all sums paid or advanced by the trustee under the indenture and the reasonable compensation, expenses, disbursements and advances of the trustee, its agents and counsel; and

·        all events of default, other than the non-payment of the principal amount and any accrued and unpaid interest that have become due by such declaration of acceleration, have been cured or waived.

The indenture provides that no holders of Notes may institute any action against CMS Energy under the indenture (except actions for payment of overdue principal, premium or interest) unless such holder previously shall have given to the trustee written notice of default and continuance thereof and unless the holders of not less than 25% in aggregate principal amount of senior debt securities of each affected series then outstanding (voting as one class) shall have requested the trustee to institute such action and shall have offered the trustee reasonable indemnity against costs, expenses and liabilities, the trustee shall not have instituted such action within 60 days of such request and the trustee shall not have received direction inconsistent with such request by the holders of a majority in aggregate principal amount of the senior debt securities of each affected series then outstanding (voting as one class).

The indenture requires CMS Energy to furnish to the trustee annually a statement as to CMS Energy’s compliance with all conditions and covenants under the indenture. The indenture provides that the trustee may withhold notice to the holders of the Notes of any default affecting such Notes (except defaults as to payment of principal of, or premium or interest on, the Notes) if it considers such withholding to be in the interests of the holders of the Notes.

Modification and Waiver

CMS Energy and the trustee may enter into supplemental indentures without the consent of the holders of the Notes to:

·        establish the form and terms of any series of securities under the indenture;

·        secure the Notes;

·        provide for the assumption of our obligations to the holders of the Notes in the event of a merger or consolidation, or conveyance, transfer or lease of our property substantially as an entirety;

·        surrender any right or power conferred upon us;

·        add to our covenants for the benefit of the holders of the Notes;

·        cure any ambiguity or correct or supplement any inconsistent or otherwise defective provision contained in the indenture; provided, that such modification or amendment does not adversely affect the interests of the holders of the Notes in any material respect; provided, further, that any amendment made solely to conform the provisions of the indenture to the description of the Notes contained in this prospectus supplement will not be deemed to adversely affect the interests of the holders of the Notes;

·        make any provision with respect to matters or questions arising under the indenture that we may deem necessary or desirable and that shall not be inconsistent with provisions of the indenture; provided, that such change or modification does not, in the good faith opinion of our board of directors, adversely affect the interests of the holders of the Notes in any material respect;

·        comply with the requirements of the SEC in order to effect or maintain the qualification of the indenture under the Trust Indenture Act of 1939, as amended;

·        add guarantees of obligations under the Notes; and

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·        provide for a successor trustee.

CMS Energy and the trustee, with the consent of the holders of a majority in total principal amount of senior debt securities of all series, including the Notes, then outstanding and affected (voting as one class), may change in any manner the provisions of the indenture or modify in any manner the rights of the holders of the senior debt securities of each such affected series. CMS Energy and the trustee may not, without the consent of the holders of each Note affected, enter into any supplemental indenture to:

·        change the time of payment of the principal;

·        reduce the principal amount of such Note;

·        reduce the rate or change the time of payment of interest on such Note;

·        impair the right to institute suit for the enforcement of any payment on any Note when due;

·        change the currency in which any Note is payable;

·        reduce the redemption price for the Notes or change the terms applicable to redemption in a manner adverse to the holder;

·        change our obligation to maintain an office or agency in New York City; or

·        subject to specified exceptions, modify certain provisions of the indenture relating to modification of the indenture or waiver under the indenture.

In addition, no such modification may reduce the percentage in principal amount of the senior debt securities of the affected series, the consent of whose holders is required for any such modification or for any waiver provided for in the indenture.

Prior to the acceleration of the maturity of any senior debt security, the holders, voting as one class, of a majority in total principal amount of the senior debt securities with respect to which a default or event of default shall have occurred and be continuing may on behalf of the holders of all such affected senior debt securities waive any past default or event of default and its consequences, except:

·        our failure to pay principal of or interest on any senior debt securities when due;

·        waive any default in any payment of redemption price with respect to the Notes; or

·        a default or an event of default in respect of a covenant or provision of the indenture or of any senior debt security that cannot be modified or amended without the consent of the holders of each senior debt security affected.

Defeasance, Covenant Defeasance and Discharge

The indenture provides that, at the option of CMS Energy:

·        CMS Energy will be discharged from all obligations in respect of the Notes (except for certain obligations to register the transfer of or exchange the Notes, to replace stolen, lost or mutilated Notes, to maintain paying agencies and to maintain the trust described below); or

·        CMS Energy need not comply with certain restrictive covenants of the indenture,

if CMS Energy in each case irrevocably deposits in trust with the trustee money and/or securities backed by the full faith and credit of the United States that, through the payment of the principal thereof and the interest thereon in accordance with their terms, will provide money in an amount sufficient to pay all the principal and interest on the Notes on the stated maturities of such Notes in accordance with the terms thereof.

To exercise this option, CMS Energy is required to deliver to the trustee an opinion of independent counsel to the effect that:

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·                       the exercise of such option would not cause the holders of the Notes to recognize income, gain or loss for United States federal income tax purposes as a result of such defeasance, and such holders will be subject to United States federal income tax on the same amounts, in the same manner and at the same times as would have been the case if such defeasance had not occurred; and

·                       in the case of a discharge as described above, such opinion is to be accompanied by a private letter ruling to the same effect received from the Internal Revenue Service or appropriate evidence that since the date of the indenture there has been a change in the applicable federal income tax law.

In the event:

·                       CMS Energy exercises its option to effect a covenant defeasance with respect to the Notes as described above;

·                       the Notes are thereafter declared due and payable because of the occurrence of any event of default other than an event of default caused by failing to comply with the covenants which are defeased; or

·                       the amount of money and securities on deposit with the trustee would be insufficient to pay amounts due on the Notes at the time of the acceleration resulting from such event of default,

CMS Energy would remain liable for such amounts.

Repurchase and Cancellation

We may, to the extent permitted by law, repurchase any Notes in the open market or by tender offer at any price or by private agreement. Any Notes repurchased by us may, at our option, be surrendered to the trustee for cancellation. Any Notes surrendered for cancellation may not be reissued or resold and will be promptly cancelled.

The Trustee

The Bank of New York Mellon is the trustee, paying agent and registrar for the Notes under the indenture. CMS Energy and its affiliates maintain depositary and other normal banking relationships with The Bank of New York Mellon.

Governing Law

The indenture, including the supplemental indenture, and the Notes will be governed by, and construed in accordance with, the laws of the State of Michigan unless the laws of another jurisdiction shall mandatorily apply.

Book-Entry System

The Notes will be evidenced by one or more global Notes. We will deposit the global Notes with or on behalf of DTC and register the global Notes in the name of Cede & Co. as DTC’s nominee. Except as set forth below, a global Note may be transferred, in whole or in part, only to DTC, to another nominee of DTC or to a successor of DTC or its nominee.

Beneficial interests in a global Note may be held through organizations that are participants in DTC (called “participants”). Transfers between participants will be effected in the ordinary way in accordance with DTC rules and will be settled in clearing house funds. The laws of some states require that certain persons take physical delivery of securities in definitive form. As a result, the ability to transfer beneficial interests in the global Notes to such persons may be limited.

Beneficial interests in a global Note held by DTC may be held only through participants, or certain banks, brokers, dealers, trust companies and other parties that clear through or maintain a custodial relationship with a participant, either directly or indirectly (called “indirect participants”). So long as Cede & Co., as the nominee of DTC, is the registered owner of a global Note, Cede & Co. for all purposes will be considered the sole holder of such global Note. Holders of the Notes may elect to hold interests in a global Note through DTC, through Clearstream Banking, société anonyme (“Clearstream”), or Euroclear Bank S.A./N.V., as operator of the Euroclear System (“Euroclear”), if they are participants of such systems, or indirectly through organizations that are participants in such systems. Clearstream and Euroclear will hold interests on behalf of their participants through customers’ securities accounts in Clearstream’s and Euroclear’s names on the books of their respective depositaries, which in turn will hold such interests in customers’

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securities accounts in the depositaries’ names on DTC’s books. Except as provided below, owners of beneficial interests in a global Note will:

·                       not be entitled to have certificates registered in their names;

·                       not receive physical delivery of certificates in definitive registered form; and

·                       not be considered holders of the global Notes.

We will pay principal of, premium, if any, and interest on, a global Note to Cede & Co., as the registered owner of the global Notes, by wire transfer of immediately available funds on the maturity date, any redemption date or each interest payment date, as the case may be. None of we, the trustee or any paying agent will be responsible or liable:

·                       for any aspect of the records relating to, or payments made on account of, beneficial ownership interests in a global Note; or

·                       for maintaining, supervising or reviewing any records relating to the beneficial ownership interests.

DTC has advised us that it will take any action permitted to be taken by a holder of the Notes only at the direction of one or more participants to whose account with DTC interests in the global Notes are credited, and only in respect of the principal amount of the Notes represented by the global Notes as to which the participant or participants has or have given such direction.

DTC has advised us that it is:

·                       a limited purpose trust company organized under the laws of the State of New York, and a member of the Federal Reserve System;

·                       a “clearing corporation” within the meaning of the Uniform Commercial Code; and

·                       a “clearing agency” registered pursuant to the provisions of Section 17A of the Securities Exchange Act of 1934, as amended (the “Exchange Act”).

DTC was created to hold securities for its participants and to facilitate the clearance and settlement of securities transactions between participants through electronic book-entry changes to the accounts of its participants. Participants include securities brokers, dealers, banks, trust companies and clearing corporations and other organizations. Some of the participants or their representatives, together with other entities, own DTC. Indirect access to the DTC system is available to others such as banks, brokers, dealers and trust companies that clear through or maintain a custodial relationship with a participant, either directly or indirectly.

If DTC at any time is unwilling or unable to continue as a depositary, defaults in the performance of its duties as depositary or ceases to be a clearing agency registered under the Exchange Act or other applicable statute or regulation, and a successor depositary is not appointed by us within 90 days, we will issue Notes in definitive form in exchange for the global securities relating to the Notes. In addition, we may at any time and in our sole discretion and subject to DTC’s procedures determine not to have the Notes or portions of the Notes represented by one or more global securities and, in that event, will issue individual Notes in exchange for the global security or securities representing the Notes. Further, if we so specify with respect to any Notes, an owner of a beneficial interest in a global security representing the Notes may, on terms acceptable to us and the depositary for the global security, receive individual Notes in exchange for the beneficial interest. In any such instance, an owner of a beneficial interest in a global security will be entitled to physical delivery in definitive form of Notes represented by the global security equal in principal amount to the beneficial interest, and to have the Notes registered in its name. Notes so issued in definitive form will be issued as registered Notes in denominations of $2,000 and integral multiples of $1,000 in excess thereof, unless otherwise specified by us.

Clearstream has advised us that it is incorporated under the laws of Luxembourg as a professional depositary. Clearstream holds securities for its participating organizations (“Clearstream participants”) and facilitates the clearance and settlement of securities transactions between Clearstream participants through electronic book-entry changes in accounts of Clearstream participants, thereby eliminating the need for physical movement of certificates. Clearstream provides to Clearstream participants, among other things, services for safekeeping, administration, clearance and settlement of internationally traded securities and securities lending and borrowing. Clearstream interfaces with domestic markets in several countries. As a professional depositary, Clearstream is subject to regulation by the Luxembourg Commission for the Supervision of the Financial Sector, also known as Commission de Surveillance du

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Secteur Financier. Clearstream participants are recognized financial institutions around the world, including underwriters, securities brokers and dealers, banks, trust companies, clearing corporations and certain other organizations and may include the underwriters. Indirect access to Clearstream is also available to others such as banks, brokers, dealers and trust companies that clear through or maintain a custodial relationship with a Clearstream participant, either directly or indirectly. Distributions with respect to interests in the Notes held beneficially through Clearstream will be credited to cash accounts of Clearstream participants in accordance with its rules and procedures.

Euroclear has advised us that it was created in 1968 to hold securities for participants of Euroclear (“Euroclear participants”) and to clear and settle transactions between Euroclear participants through simultaneous electronic book-entry delivery against payment, thereby eliminating the need for physical movement of certificates and any risk from lack of simultaneous transfers of securities and cash. Euroclear provides various other services, including securities lending and borrowing, and interfaces with domestic markets in several countries. Euroclear is operated by Euroclear Bank S.A./N.V. (“Euroclear Operator”) under contract with Euroclear Clearance Systems S.C., a Belgian cooperative corporation (the “Cooperative”). All operations are conducted by the Euroclear Operator, and all Euroclear securities clearance accounts and Euroclear cash accounts are accounts with the Euroclear Operator, not the Cooperative. The Cooperative establishes policy for Euroclear on behalf of Euroclear participants. Euroclear participants include banks (including central banks), securities brokers and dealers and other professional financial intermediaries and may include the underwriters. Indirect access to Euroclear is also available to other firms that clear through or maintain a custodial relationship with a Euroclear participant, either directly or indirectly. Securities clearance accounts and cash accounts with the Euroclear Operator are governed by the terms and conditions governing the use of Euroclear and the related operating procedures of Euroclear, and applicable Belgian law, which we refer to collectively as the “Terms and Conditions”. The Terms and Conditions govern transfers of securities and cash within Euroclear, withdrawals of securities and cash from Euroclear, and receipts of payments with respect to securities in Euroclear. All securities in Euroclear are held on a fungible basis without attribution of specific certificates to specific securities clearance accounts. The Euroclear Operator acts under the Terms and Conditions only on behalf of Euroclear participants and has no records of or relationship with persons holding through Euroclear participants.

We have provided the descriptions of the operations and procedures of Clearstream and Euroclear in this prospectus supplement solely as a matter of convenience. These operations and procedures are solely within the control of those organizations and are subject to change by them from time to time. None of we, the trustee, the registrar or the paying agent takes any responsibility for these operations or procedures, and you are urged to contact Clearstream and Euroclear or their participants directly to discuss these matters.

Euroclear advises that investors that acquire, hold and transfer interests in the Notes by book-entry through accounts with the Euroclear Operator or any other securities intermediary are subject to the laws and contractual provisions governing their relationship with their intermediary, as well as the laws and contractual provisions governing the relationship between such an intermediary and each other intermediary, if any, standing between themselves and the global Notes.

Secondary market trading between Clearstream participants and/or Euroclear participants will occur in the ordinary way in accordance with the applicable rules and operating procedures of Clearstream and Euroclear, as applicable.

Cross-market transfers between persons holding directly or indirectly through DTC, on the one hand, and directly or indirectly through Clearstream participants or Euroclear participants, on the other hand, will be effected through DTC in accordance with DTC’s rules; however, such cross-market transactions will require delivery of instructions to the relevant European international clearing system by the counterparty in such system in accordance with its rules and procedures and within the established deadlines of such system.

Due to time-zone differences, credits of the Notes received in Clearstream or Euroclear as a result of a transaction with a DTC participant will be made during subsequent securities settlement processing and dated the business day following the DTC settlement date. Such credits or any transactions in such Notes settled during such processing will be reported to the relevant Clearstream participants or Euroclear participants on such business day. Cash received in Clearstream or Euroclear as a result of sales of the Notes by or through a Clearstream participant or a Euroclear participant to a DTC participant will be received with value on the DTC settlement date but will be available in the relevant Clearstream or Euroclear cash account only as of the business day following settlement in DTC.

Although DTC, Clearstream and Euroclear have agreed to the foregoing procedures in order to facilitate transfers of Notes among participants of DTC, Clearstream and Euroclear, they are under no obligation to perform or continue to perform such procedures, and such procedures may be changed or discontinued at any time. None of we, the trustee, the registrar or the paying agent will have any

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responsibility or liability for any aspect of the records relating to or payments made on account of the Notes by Clearstream or Euroclear, or for maintaining, supervising or reviewing any records of those organizations relating to the Notes.

None of we, the trustee, the registrar or the paying agent will have any responsibility or liability for the performance by DTC or its participants or indirect participants of their respective obligations under the rules and procedures governing their operations.

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MATERIAL UNITED STATES FEDERAL INCOME TAX CONSIDERATIONS

General

The following is a discussion of the material U.S. federal income tax considerations applicable to an investment in the Notes (referred to in this section as the “Securities”) by a purchaser of Securities in the offering at the issue price (which is the initial offering price to the public (excluding bond houses and brokers) at which a substantial amount of the Securities are sold) and hold the Securities as capital assets within the meaning of the Internal Revenue Code of 1986, as amended (the “Code”). This discussion does not address any tax considerations that may apply to holders subject to special tax rules, such as banks, insurance companies, dealers in securities or currencies, persons that mark-to-market their securities, former U.S. citizens or long-term residents, life insurance companies, tax-exempt entities, tax-deferred or other retirement accounts, persons subject to the alternative minimum tax, persons that hold Securities as a position in a straddle or as part of a hedging, constructive sale or conversion transaction for U.S. federal income tax purposes, or U.S. Holders (as defined below) that have a functional currency other than the U.S. dollar.

If a holder purchases Securities at a price other than the issue price, the amortizable bond premium, acquisition premium or market discount rules may also apply to such holder.

For purposes of this discussion, a “U.S. Holder” means a beneficial owner of Securities that is, for U.S. federal income tax purposes:

·                       an individual who is a citizen or resident of the United States;

·                       a corporation, or other entity treated as a corporation for U.S. federal income tax purposes, created or organized in or under the laws of the United States, any State thereof or the District of Columbia;

·                       an estate the income of which is subject to U.S. federal income taxation regardless of its source; or

·                       a trust if (i) the administration of the trust is subject to the primary supervision of a court in the United States and for which one or more U.S. persons have the authority to control all substantial decisions or (ii) it has a valid election in effect to be treated as a U.S. person.

If an entity or arrangement treated as a partnership for U.S. federal income tax purposes holds Securities, the U.S. federal income tax treatment of a partner generally will depend on the status of the partner and the activities of the partnership. Partnerships and partners of partnerships that will hold Securities should consult their tax advisors.

As used herein, a “Non-U.S. Holder” is a beneficial owner of Securities that is not a U.S. Holder and is not a partnership (including an entity or arrangement treated as a partnership for U.S. federal income tax purposes).

This summary is based on the Code, Treasury regulations promulgated under the Code and judicial and administrative interpretations thereof, all as in effect on the date hereof and all of which are subject to change, which change may be retroactive and may affect the tax consequences described herein.

This discussion is not intended to constitute a complete analysis of all tax considerations relevant to an investment in the Securities. It does not take into account the individual circumstances of any particular prospective investor, nor does it address any aspect of estate, generation-skipping or gift tax laws or of state, local or foreign tax laws. We strongly urge a holder to consult its own tax advisor for advice concerning the application of the U.S. federal tax laws to that holder’s particular situation, as well as any tax consequences arising under state, local or foreign tax laws.

U.S. Holders

Interest

Stated interest on the Securities will be included in the income of a U.S. Holder as ordinary income at the time it is received or accrued, in accordance with such holder’s regular method of accounting for U.S. federal income tax purposes. It is expected (and this discussion assumes) that the Securities will be issued with no more than a de minimis amount of original issue discount for U.S. federal income tax purposes.

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Sale, Exchange or Other Taxable Disposition of the Securities

Upon the sale, exchange, redemption, retirement or other taxable disposition of a Security, a U.S. Holder generally will recognize gain or loss equal to the difference between the amount realized on the disposition, excluding any amounts attributable to accrued but unpaid interest (which will be taxable as ordinary interest income to the extent not already included in income), and the U.S. Holder’s tax basis in the Security. A U.S. Holder’s tax basis in a Security generally will equal its cost. This gain or loss will generally be capital gain or loss and will generally be long-term capital gain or loss if the U.S. Holder has held the Security for more than one year and otherwise will be short-term capital gain or loss. For individuals, long-term capital gains are currently taxed at a lower rate than ordinary income. Short-term capital gains are taxed at rates applicable to ordinary income. The deductibility of capital losses is subject to limitations.

Net Investment Income Tax

Certain U.S. Holders who are individuals, estates or trusts are subject to a 3.8% tax on all or a portion of their “net investment income,” which may include all or a portion of their interest income and gains from the sale or other disposition of a Security. U.S. Holders should consult their tax advisors regarding the effect, if any, of the net investment income tax on their ownership or disposition of a Security.

Information Reporting and Backup Withholding

A U.S. Holder generally will be subject to information reporting with respect to (i) payments of principal, premium, if any, and interest on the Securities and (ii) proceeds from the sale, exchange or other disposition of the Securities. Backup withholding at the applicable statutory rate also may apply to such payments if the U.S. Holder fails to supply an accurate taxpayer identification number or otherwise fails to comply with applicable certification requirements or otherwise establish an exemption from backup withholding. Information reporting and backup withholding will not apply with respect to payments made to certain “exempt recipients,” including corporations and certain other persons who, when required, demonstrate their exempt status; however, exempt recipients that are not subject to backup withholding and do not provide an Internal Revenue Service (“IRS”) Form W-9 will nonetheless generally be treated as foreign payees subject to withholding under FATCA (as defined below), and may be withheld upon at the 30% rate discussed below under “FATCA.” The current backup withholding rate is 28%. Backup withholding tax is not an additional tax and may be credited against a U.S. Holder’s regular U.S. federal income tax liability or refunded by the IRS, provided that the required information is timely furnished to the IRS.

Non-U.S. Holders

Payments of Interest

Subject to the discussions of backup withholding and FATCA below, interest on Securities paid to a Non-U.S. Holder will not be subject to U.S. federal income or withholding tax unless: (i) the interest is “effectively connected” with the conduct by the Non-U.S. Holder of a U.S. trade or business; (ii) the Non-U.S. Holder owns, actually, indirectly or constructively, 10% or more of the total combined voting power of all classes of our stock entitled to vote, is a controlled foreign corporation related, directly or indirectly, to us through stock ownership or is a bank that acquired the Securities in consideration for an extension of credit made pursuant to a loan agreement entered into in the ordinary course of business; or (iii) the Non-U.S. Holder fails to satisfy the nonresident status certification requirements (as described below).

The certification requirements will be satisfied in respect of a Non-U.S. Holder if either (i) the beneficial owner of a Security timely certifies, under penalties of perjury, to us or to the person who otherwise would be required to withhold U.S. federal income tax, that such owner is not a U.S. person and provides its name and address or (ii) a custodian, broker, nominee or other intermediary acting as an agent for the beneficial owner (such as a securities clearing organization, bank or other financial institution that holds customers’ securities in the ordinary course of its trade or business) that holds the Security in such capacity timely certifies, under penalties of perjury, to us or to the person who otherwise would be required to withhold U.S. federal income tax, that such statement has been received from the beneficial owner of the Security by such intermediary, or by any other financial institution between such intermediary and the beneficial owner, and furnishes to us or to the person who otherwise would be required to withhold U.S. tax a copy thereof. The foregoing certification may be provided on a properly completed IRS Form W-8BEN, W-8BEN-E or W-8IMY, as applicable.

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A Non-U.S. Holder that is not exempt from tax under the foregoing rules generally will be subject to U.S. federal income tax withholding on payments of interest at a rate of 30% unless:

·                       the interest is effectively connected with a U.S. trade or business conducted by such holder (and, if an applicable income tax treaty so provides, is attributable to a permanent establishment maintained in the United States by the Non-U.S. Holder), in which case the Non-U.S. Holder will be subject to U.S. federal income tax on a net income basis at the rates applicable to U.S. Holders generally; or

·                       an applicable income tax treaty provides for a reduced rate of, or exemption from, U.S. federal withholding tax.

A corporate Non-U.S. Holder that has effectively connected interest income (as described in the first bullet point above) may also, under certain circumstances, be subject to an additional “branch profits tax” at a 30% rate (or such lower rate as may be specified by an applicable income tax treaty), which is generally imposed on a foreign corporation on the deemed repatriation from the United States of “effectively connected” earnings and profits.

To claim an exemption from U.S. federal withholding tax with respect to interest on the Securities that is effectively connected with a Non-U.S. Holder’s U.S. trade or business, the holder generally must provide to us or the withholding agent a properly executed IRS Form W-8ECI (or appropriate substitute form). To claim the benefit of an applicable income tax treaty for an exemption from (or reduced rate of) U.S. federal withholding tax, a Non-U.S. Holder must timely provide the appropriate and properly executed IRS forms (generally IRS Form W-8BEN or IRS Form W-8BEN-E, as applicable).

Non-U.S. Holders may be required to periodically update their IRS forms. Non-U.S. Holders should consult their tax advisors concerning certification requirements.

Sale, Exchange or Other Taxable Disposition of the Securities

If we redeem a Security of a Non-U.S. Holder, any cash received by such Non-U.S. Holder attributable to accrued but unpaid interest not previously included in income of the Non-U.S. Holder will be subject to the rules described under “Payments of Interest” above.

Subject to the discussions of backup withholding and FATCA below, gain recognized by a Non-U.S. Holder on the sale, exchange, redemption or retirement of Securities generally will not be subject to U.S. federal income tax unless: (i) the gain is “effectively connected” with the conduct by the Non-U.S. Holder of a U.S. trade or business (and, if required under an applicable income tax treaty, is attributable to a permanent establishment maintained in the United States by the Non-U.S. Holder); or (ii) in the case of gain recognized by a Non-U.S. Holder who is an individual, he or she is present in the United States for a total of 183 days or more during the taxable year in which such gain is recognized and certain other conditions are met.

Except to the extent that an applicable income tax treaty otherwise provides, generally a Non-U.S. Holder will be taxed in the same manner as a U.S. Holder with respect to gain that is “effectively connected” with the Non-U.S. Holder’s conduct of a U.S. trade or business. A corporate Non-U.S. Holder may also, under certain circumstances, be subject to the branch profits tax described above. A Non-U.S. Holder who is an individual present in the United States for 183 days or more in the taxable year and meets certain other conditions will be subject to U.S. federal income tax at a rate of 30% (or at a reduced rate under an applicable income tax treaty) on the amount by which capital gains from U.S. sources (including gains from the sale or other disposition of the Securities) exceed capital losses allocable to U.S. sources. To claim the benefit of an applicable income tax treaty, a Non-U.S. Holder may be required to file an income tax return and disclose its position under the Treasury regulations concerning treaty-based return positions.

FATCA

Legislation enacted as part of the Hiring Incentives to Restore Employment Act (the “HIRE Act”), commonly referred to as the Foreign Account Tax Compliance Act (“FATCA”), generally imposes U.S. federal withholding tax at a rate of 30% on (i) U.S. source interest (including interest paid on the Securities) and (ii) the gross proceeds from the sale or other disposition of obligations that produce U.S. source interest (including the sale, exchange, redemption, retirement or other disposition of the Securities) made after December 31, 2018, in each case to certain foreign entities, unless various information reporting, withholding and other requirements are satisfied. In the case of payments made to a “foreign financial institution” (as defined in Section 1471(d)(4) of the Code and the Treasury regulations promulgated thereunder), subject to certain exceptions, the tax will generally be imposed unless the foreign financial institution enters into an agreement with the U.S. Treasury Department to collect and disclose certain information regarding

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its U.S. account holders (including certain account holders that are foreign entities that have U.S. owners) and satisfies certain other requirements or is deemed to be compliant with the requirements of FATCA, pursuant to an intergovernmental agreement in respect of FATCA or otherwise. In the case of payments made to certain other non-U.S. entities, the tax generally will be imposed unless such entity provides the payor with certain information regarding certain direct and indirect U.S. owners of the entity, or certifies that it has no such U.S. owners, and complies with certain other requirements. No additional amounts will be payable on account of any withholding obligation that is imposed with respect to payments on the Securities as a result of the failure of any holder or beneficial owner of a Security, or any intermediary through which it directly or indirectly owns such Security, to comply with the requirements of FATCA. Holders are encouraged to consult with their own tax advisors regarding the possible implications of FATCA and the HIRE Act on their investment in the Securities.

The HIRE Act also imposes U.S. return disclosure obligations (and related penalties for failure to disclose) on U.S. individuals that hold certain specified foreign financial assets (which include financial accounts in foreign financial institutions).

Holders are encouraged to consult with their own tax advisors regarding the possible implications of this recently enacted legislation on their investment in the Securities.

Information Reporting and Backup Withholding

Payments of interest to Non-U.S. Holders will generally be reported to the IRS and to the Non-U.S. Holders. Copies of the information returns reporting such interest payments (generally, IRS Form 1042-S) and any withholding may also be made available to the tax authorities in the country in which the Non-U.S. Holder resides under the provisions of an applicable income tax treaty.

Additional information reporting and backup withholding generally will not apply to payments of interest on a Security to a Non-U.S. Holder if the Non-U.S. Holder has certified under penalties of perjury on an applicable IRS Form W-8 that the Non-U.S. Holder is not a U.S. person or has otherwise established an exemption provided that the payor does not have actual knowledge or reason to know that the beneficial owner is a U.S. person or that the conditions of any exemption are not in fact satisfied.

Payment of the proceeds from a sale, exchange or other taxable disposition of a Security made to or through a U.S. office of a broker generally will be subject to information reporting and backup withholding unless the Non-U.S. Holder certifies that it is not a U.S. person under penalties of perjury, and the payor does not have actual knowledge or reason to know that the beneficial owner of the Security is a U.S. person, or the Non-U.S. Holder otherwise establishes an exemption. Payment of the proceeds from a sale, exchange or other taxable disposition of a Security made to or through a non-U.S. office of a broker generally will not be subject to information reporting or backup withholding. However, if the broker is a U.S. person, a controlled foreign corporation, a foreign person that derives 50% or more of its gross income for certain periods from the conduct of a U.S. trade or business or a foreign partnership, in which one or more U.S. persons, in the aggregate, own more than 50% of the income or capital interests in the partnership or which, at any time during the taxable year, is engaged in a trade or business in the United States, then such payment generally will be subject to information reporting (but not backup withholding) unless the Non-U.S. Holder certifies under penalties of perjury on an applicable IRS Form W-8 that the Non-U.S. Holder is not a U.S. person or otherwise establishes an exemption, or unless the broker has documentary evidence in its records that the beneficial owner of the Security is not a U.S. person and certain other conditions are met.

For purposes of the two preceding paragraphs, the term “U.S. person” shall have the meaning ascribed to it in Section 7701(a)(30) of the Code.

The current backup withholding rate is 28%. Any amounts withheld under the backup withholding rules will be allowed as a refund or a credit against the beneficial owner’s U.S. federal income tax liability provided the required information is furnished to the IRS in a timely manner.

The U.S. federal income tax discussion set forth above is included for general information only and may not be applicable depending upon a holder’s particular situation. Prospective purchasers of the Securities should consult their own tax advisors with respect to the tax consequences to them of the ownership and disposition of Securities, including the tax consequences under state, local, foreign and other tax laws, any applicable tax treaties and the possible effects of changes in U.S. or other tax laws.

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UNDERWRITING

General

BNP Paribas Securities Corp., J.P. Morgan Securities LLC, Mizuho Securities USA Inc., MUFG Securities Americas Inc. and RBC Capital Markets, LLC are acting as representatives of the underwriters and joint book-running managers of this offering. Subject to the terms and conditions stated in the underwriting agreement for the Notes dated the date of this prospectus supplement, which we will file as an exhibit to our current report on Form 8-K and incorporate by reference in this prospectus supplement and the accompanying prospectus, each underwriter named below has severally agreed to purchase, and we have agreed to sell to that underwriter, the principal amount of Notes set forth opposite the underwriter’s name at the public offering price less the underwriting discounts and commissions set forth on the cover page of this prospectus supplement.

The underwriting agreement provides that the obligations of the underwriters to purchase the Notes are subject to approval of legal matters by counsel and to other conditions. The underwriters are obligated to purchase and accept delivery of all Notes if any are purchased.

The underwriters propose to offer the Notes directly to the public at the offering price set forth on the cover page of this prospectus supplement and may offer the Notes to certain dealers at a price that represents a concession not in excess of 0.40% of the principal amount of the Notes. Any underwriter may allow, and any such dealer may reallow, a concession not in excess of 0.25% of the principal amount of the Notes to certain other dealers. After the initial offering of the Notes, the underwriters may from time to time vary the offering price and other selling terms. The offering of the Notes by the underwriters is subject to receipt and acceptance of any order and to the underwriters’ right to reject any order in whole or in part.

We estimate that our out-of-pocket expenses for this offering, not including the underwriting discounts and commissions, will be approximately $695,000.

We have agreed to indemnify the several underwriters against certain liabilities, including liabilities under the Securities Act of 1933, as amended (the “Securities Act”), or to contribute to payments that the underwriters may be required to make because of any of those liabilities.

The underwriters have advised us that certain of the underwriters currently intend to make a market in the Notes. However, they are not obligated to do so and they may discontinue any market-making activities with respect to the Notes at any time without notice. In addition, market-making activity will be subject to the limits imposed by the Securities Act and the Exchange Act.

In connection with this offering, the underwriters may purchase and sell Notes in the open market. These transactions may include over-allotment, syndicate covering transactions and stabilizing transactions. Over-allotment involves sales of Notes in excess of the principal amount of Notes to be purchased by the underwriters in this offering, which creates a short position for the underwriters. Covering transactions involve purchases of the Notes in the open market after the distribution has been completed in order to cover short positions. Stabilizing transactions consist of certain bids or purchases of Notes made for the purpose of preventing or retarding a decline in the market price of the Notes while the offering is in progress. Any of these activities may have the effect of preventing or retarding a decline in the market price of the Notes. They may also cause the price of the Notes to be higher than the price that otherwise would exist in the open market in the absence of these transactions. The underwriters may conduct these transactions in the over-the-counter market or otherwise. If the underwriters commence any of these transactions, they may discontinue them at any time.

The underwriters also may impose a penalty bid. This occurs when a particular underwriter repays to the underwriters a portion of the underwriting discount received by it because the representatives have repurchased Notes sold by or for the account of such underwriter in stabilizing or short covering transactions.

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Other Relationships

The underwriters and their respective affiliates are full service financial institutions engaged in various activities, which may include securities trading, commercial and investment banking, financial advisory, investment management, investment research, principal investment, hedging, financing and brokerage activities. Certain of the underwriters have performed, and the underwriters may in the future perform, investment banking, commercial banking and advisory services for us and our affiliates from time to time for which they have received, or may in the future receive, customary fees and expenses. Affiliates of the underwriters are lenders to us and our affiliates under our credit facilities. Some of the underwriters and their affiliates may engage in other transactions with, and perform other services for, us and our affiliates in the ordinary course of business.

In the ordinary course of their various business activities, the underwriters and their respective affiliates may make or hold a broad array of investments, including serving as counterparties to certain derivative and hedging arrangements, and actively trade debt and equity securities (or related derivative securities) and financial instruments (including bank loans) for their own account and for the accounts of their customers. Such investment and securities activities may involve securities and instruments of ours and our affiliates.

If any of the underwriters or their affiliates has a lending relationship with us, certain of those underwriters or their affiliates routinely hedge, and certain other of those underwriters or their affiliates may hedge, their credit exposure to us consistent with their customary risk management policies. A typical such hedging strategy would include these underwriters or their affiliates hedging such exposure by entering into transactions that consist of either the purchase of credit default swaps or the creation of short positions in our securities, including potentially the Notes. Any such credit default swaps or short positions could adversely affect future trading prices of the Notes. The underwriters and their respective affiliates may also make investment recommendations and/or publish or express independent research views in respect of such securities or instruments and may at any time hold, or recommend to clients that they acquire, long and/or short positions in such securities and instruments.

Selling Restrictions

European Economic Area

Neither this prospectus supplement nor the accompanying prospectus is a “prospectus” for the purposes of the Prospectus Directive (as defined below). In relation to each Member State of the European Economic Area (the “EEA”) that has implemented the Prospectus Directive (each, a “Relevant Member State”), an offer of Notes to the public that are the subject of the offer contemplated in this prospectus supplement may not be made in that Relevant Member State, except that an offer of Notes to the public in that Relevant Member State may be made at any time under the following exemptions under the Prospectus Directive, if they have been implemented in that Relevant Member State:

(a)                                 to any legal entity which is a qualified investor as defined in the Prospectus Directive;

(b)                                 at any time to fewer than 150 natural or legal persons (other than “qualified investors,” as defined in the Prospectus Directive), as permitted under the Prospectus Directive, subject to obtaining the prior consent of the underwriter or underwriters nominated by us; or

(c)                                  in any other circumstances falling within Article 3(2) of the Prospectus Directive,

provided that no such offer of the Notes shall result in a requirement for us or the underwriters to publish a prospectus pursuant to Article 3 of the Prospectus Directive.

For the purposes of this provision, the expression an “offer of Notes to the public” in relation to any Notes in any Relevant Member State means the communication in any form and by any means of sufficient information on the terms of the offer and the Notes to be offered so as to enable an investor to decide to purchase or subscribe for the Notes, as the same may be varied in that Relevant Member State by any measure implementing the Prospectus Directive in that Relevant Member State, and the expression “Prospectus Directive” means Directive 2003/71/EC (as amended, including by Directive 2010/73/EU), and includes any relevant implementing measure in the Relevant Member State.

We have not authorized and do not authorize the making of any offer of Notes through any financial intermediary on our behalf, other than offers made by the underwriters with a view to the final placement of the Notes as contemplated in this prospectus

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supplement. Accordingly, no purchaser of the Notes, other than the underwriters, is authorized to make any further offer of the Notes on behalf of us or the underwriters.

United Kingdom

Any invitation or inducement to engage in investment activity (within the meaning of Section 21 of the Financial Services and Markets Act 2000, as amended (the “FSMA”)) in connection with the issue or sale of the Notes may only be communicated or caused to be communicated in circumstances in which Section 21(1) of the FSMA does not apply to us.

Anything done in relation to the Notes in, from or otherwise involving the United Kingdom must only be done in compliance with all applicable provisions of the FSMA.

This document is distributed to and only directed at (i) persons who are outside the United Kingdom; (ii) investment professionals falling within Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (as amended) (the “Order”); (iii) high net worth companies, unincorporated associations and other persons falling within Article 49(2)(a) to (d) of the Order; or (iv) any other persons to whom it may otherwise be lawfully communicated in accordance with the Order (all such persons falling within (i)-(iv) together being referred to as “relevant persons”). The Notes are only available to, and an invitation, offer or agreement to subscribe, purchase or otherwise acquire the Notes will be engaged only with, relevant persons. Any person who is not a relevant person should not act or rely on this document or any of its content.

Switzerland

The Notes may not be publicly offered in Switzerland and will not be listed on the SIX Swiss Exchange (“SIX”) or on any other stock exchange or regulated trading facility in Switzerland. This document has been prepared without regard to the disclosure standards for issuance prospectuses under art. 652a or art. 1156 of the Swiss Code of Obligations or the disclosure standards for listing prospectuses under art. 27 ff. of the SIX Listing Rules or the listing rules of any other stock exchange or regulated trading facility in Switzerland. Neither this document nor any other offering or marketing material relating to the Notes or the offering may be publicly distributed or otherwise made publicly available in Switzerland.

Neither this document nor any other offering or marketing material relating to this offering, CMS Energy or the Notes have been or will be filed with or approved by any Swiss regulatory authority. In particular, this document will not be filed with, and the offer of the Notes will not be supervised by, the Swiss Financial Market Supervisory Authority FINMA, and the offer of the Notes has not been and will not be authorized under the Swiss Federal Act on Collective Investment Schemes (“CISA”). The investor protection afforded to acquirers of interests in collective investment schemes under the CISA does not extend to acquirers of the Notes.

Canada

The Notes may be sold only to purchasers purchasing, or deemed to be purchasing, as principal that are accredited investors, as defined in National Instrument 45-106 Prospectus Exemptions or subsection 73.3(1) of the Securities Act (Ontario), and are permitted clients, as defined in National Instrument 31-103 Registration Requirements, Exemptions and Ongoing Registrant Obligations. Any resale of the Notes must be made in accordance with an exemption from, or in a transaction not subject to, the prospectus requirements of applicable securities laws.

Securities legislation in certain provinces or territories of Canada may provide a purchaser with remedies for rescission or damages if this prospectus supplement and the accompanying prospectus (including any amendment thereto) contains a misrepresentation, provided that the remedies for rescission or damages are exercised by the purchaser within the time limit prescribed by the securities legislation of the purchaser’s province or territory. The purchaser should refer to any applicable provisions of the securities legislation of the purchaser’s province or territory for particulars of these rights or consult with a legal advisor.

Pursuant to section 3A.3 of National Instrument 33-105 Underwriting Conflicts (NI 33-105), the underwriters are not required to comply with the disclosure requirements of NI 33-105 regarding underwriter conflicts of interest in connection with this offering.

Hong Kong

The contents of this prospectus supplement and the accompanying prospectus have not been reviewed or approved by any regulatory authority in Hong Kong. This prospectus supplement and the accompanying prospectus do not constitute an offer or

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invitation to the public in Hong Kong to acquire the Notes. Accordingly, unless permitted by the securities laws of Hong Kong, no person may issue, or have in its possession for the purposes of issue, this prospectus supplement and the accompanying prospectus or any advertisement, invitation or document relating to the Notes, whether in Hong Kong or elsewhere, that is directed at, or the contents of which are likely to be accessed or read by, the public in Hong Kong other than: with respect to the Notes that are intended to be disposed of only to persons outside Hong Kong or only to “professional investors” (as such term is defined in the Securities and Futures Ordinance of Hong Kong (Cap. 571) (the “SFO”) and the subsidiary legislation made thereunder; in circumstances that do not result in this prospectus supplement and the accompanying prospectus being a “prospectus” as defined in the Companies (Winding Up and Miscellaneous Provisions) Ordinance of Hong Kong (Cap. 32) (the “CO”); or that do not constitute an offer or an invitation to the public for the purposes of the SFO or the CO.

The offer of the Notes is personal to the person to whom this prospectus supplement and the accompanying prospectus have been delivered, and a subscription for the Notes will only be accepted from such person.

No person to whom a copy of this prospectus supplement and the accompanying prospectus are issued may issue, circulate or distribute this prospectus supplement and the accompanying prospectus in Hong Kong or make or give a copy of this prospectus supplement and the accompanying prospectus to any other person. You are advised to exercise caution in relation to the offer. If you are in any doubt about any of the contents of this prospectus supplement and the accompanying prospectus, you should obtain independent professional advice.

Singapore

This document has not been registered as a prospectus under the Securities and Futures Act, Chapter 289 of Singapore (“SFA”) by the Monetary Authority of Singapore, and the offer of the Notes in Singapore is made primarily pursuant to the exemptions under Sections 274 and 275 of the SFA. Accordingly, the Notes may not be offered or sold, or made the subject of an invitation for subscription or purchase, nor may this document or any other document or material in connection with the offer or sale, or invitation for subscription or purchase, of the Notes be circulated or distributed, whether directly or indirectly, to any person in Singapore other than: (i) to an institutional investor as defined in Section 4A of the SFA (an “Institutional Investor”) pursuant to Section 274 of the SFA; (ii) to an accredited investor as defined in Section 4A of the SFA (an “Accredited Investor”) or other relevant person as defined in Section 275(2) of the SFA (a “Relevant Person”), or to any person pursuant to an offer referred to in Section 275(1A) of the SFA, and in accordance with the conditions specified in Section 275 of the SFA; or (iii) otherwise pursuant to, and in accordance with, the conditions of any other applicable exemption or provision of the SFA.

It is a condition of the offer that where the Notes are subscribed for or acquired pursuant to an offer made in reliance on Section 275 of the SFA by a Relevant Person that is:

(i) a corporation (which is not an Accredited Investor), the sole business of which is to hold investments and the entire share capital of which is owned by one or more individuals, each of whom is an Accredited Investor; or

(ii) a trust (where the trustee is not an Accredited Investor), the sole purpose of which is to hold investments and each beneficiary of the trust is an individual who is an Accredited Investor,

the shares, debentures and units of shares and debentures of that corporation, and the beneficiaries’ rights and interest (howsoever described) in that trust, shall not be transferred within six months after that corporation or that trust has subscribed for or acquired the Notes except: (a) to an Institutional Investor, Accredited Investor or other Relevant Person, or that arises from an offer referred to in Section 275(1A) of the SFA (in the case of that corporation) or Section 276(4)(i)(B) of the SFA (in the case of that trust); (b) where no consideration is or will be given for the transfer; or (c) where the transfer is by operation of law.

Japan

The Notes have not been and will not be registered pursuant to Article 4, Paragraph 1 of the Financial Instruments and Exchange Act of Japan (Law No. 25 of 1948, as amended, the “Financial Instruments and Exchange Act”), and each underwriter has agreed that it will not offer or sell any Notes, directly or indirectly, in Japan or to, or for the benefit of, any resident of Japan (which term as used herein means any person resident in Japan, including any corporation or other entity organized under the laws of Japan), or to others for re-offering or resale, directly or indirectly, in Japan or to a resident of Japan, except pursuant to an exemption from the registration requirements of, and otherwise in compliance with, the Financial Instruments and Exchange Act and any other applicable laws, regulations and ministerial guidelines of Japan in effect at the relevant time.

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LEGAL MATTERS

Melissa M. Gleespen, Esq., Vice President, Corporate Secretary and Chief Compliance Officer of CMS Energy, will render opinions as to the legality of the Notes for CMS Energy.

Pillsbury Winthrop Shaw Pittman LLP will pass upon certain legal matters with respect to the Notes for the underwriters. Pillsbury Winthrop Shaw Pittman LLP represents certain of our subsidiaries, including Consumers, from time to time in connection with various matters.

EXPERTS

The consolidated financial statements of CMS Energy Corporation and management’s assessment of the effectiveness of internal control over financial reporting (which is included in Management’s Report on Internal Control over Financial Reporting), incorporated in this prospectus supplement by reference to CMS Energy Corporation’s Annual Report on Form 10-K for the fiscal year ended December 31, 2016, have been so incorporated in reliance on the report of PricewaterhouseCoopers LLP, an independent registered public accounting firm, given on the authority of said firm as experts in auditing and accounting.

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WHERE YOU CAN FIND MORE INFORMATION

We are subject to the informational requirements of the Exchange Act and, therefore, we are required to file annual, quarterly and current reports, proxy statements and other information with the SEC under File No. 1-9513. Our SEC filings are available over the Internet at the SEC’s web site at http://www.sec.gov. You may also read and copy any document we file at the SEC’s public reference room at 100 F Street, NE, Room 1580, Washington, DC 20549. Please call the SEC at 1-800-SEC-0330 for more information on the public reference room and related copy charges. You may also inspect our SEC reports and other information at the New York Stock Exchange, 20 Broad Street, New York, New York 10005. You can find additional information about us, including our Annual Report on Form 10-K for the fiscal year ended December 31, 2016, on our web site at http://www.cmsenergy.com. The information on this web site (including any such information referred to herein) is not a part of this prospectus supplement and the accompanying prospectus.

We are “incorporating by reference” information into this prospectus supplement and the accompanying prospectus. This means that we are disclosing important information by referring to another document filed separately with the SEC. The information incorporated by reference is considered to be part of this prospectus supplement and the accompanying prospectus, except for any information superseded by information in this prospectus supplement and the accompanying prospectus. This prospectus supplement and the accompanying prospectus incorporate by reference the documents set forth below that we have previously filed with the SEC. These documents contain important information about us and our finances.

·                       Annual Report on Form 10-K for the fiscal year ended December 31, 2016 filed on February 7, 2017

·                       The sections of our Definitive Proxy Statement on Schedule 14A for our Annual Meeting of Shareholders filed on March 24, 2016, that are incorporated by reference into our Annual Report on Form 10-K for the year ended December 31, 2015 under Items 10, 11, 12, 13 and 14 of Part III thereof

The documents filed by us with the SEC pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act after the date of this prospectus supplement, until the offering of the Notes pursuant to this prospectus supplement is terminated, are also incorporated by reference into this prospectus supplement and the accompanying prospectus (other than information in any such documents that is deemed to have been “furnished” but not “filed” under SEC rules). Any statement contained in such document will be deemed to be modified or superseded for purposes of this prospectus supplement and the accompanying prospectus to the extent that a statement contained in this prospectus supplement and the accompanying prospectus or any other subsequently filed document modifies or supersedes such statement.

We will provide to each person, including any beneficial owner, to whom a copy of this prospectus is delivered, a copy of any or all of the information that has been incorporated by reference in this prospectus supplement but not delivered with this prospectus supplement. We will provide this information upon oral or written request at no cost to the requester. You should direct your request to:

CMS Energy Corporation

One Energy Plaza

Jackson, Michigan 49201

Phone: (517) 788-0550

Attention: Office of the Secretary

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PROSPECTUS

CMS ENERGY CORPORATION
Common Stock, Preferred Stock, Senior Debt Securities, Senior Convertible Debt Securities,
Subordinated Debt Securities, Stock Purchase Contracts, Stock Purchase Units and Guarantees

CMS ENERGY TRUST IV
CMS ENERGY TRUST V
Trust Preferred Securities,
Guaranteed To The Extent Set Forth Herein By
CMS Energy Corporation

CONSUMERS ENERGY COMPANY
Senior Notes and First Mortgage Bonds

CMS Energy Corporation, a Michigan corporation, may offer, from time to time:

·                                          shares of its common stock, par value $0.01 per share (“CMS Energy Common Stock”);

·                                          shares of its preferred stock, par value $0.01 per share (“Preferred Stock”);

·                                          unsecured senior or subordinated debt securities consisting of debentures, convertible debentures, notes, convertible notes or other unsecured evidence of indebtedness;

·                                          stock purchase contracts to purchase CMS Energy Common Stock;

·                                          stock purchase units, each consisting of a stock purchase contract and unsecured senior debt securities, unsecured subordinated debt securities, or Preferred Stock of CMS Energy Corporation or trust preferred securities of CMS Energy Trust IV or CMS Energy Trust V or debt obligations of third parties, including U.S. Treasury securities, securing the holder’s obligation to purchase the CMS Energy Common Stock under the stock purchase contract, or any combination of the above; and

·                                          guarantees of CMS Energy Corporation with respect to trust preferred securities of CMS Energy Trust IV and CMS Energy Trust V.

CMS Energy Trust IV and CMS Energy Trust V, each of which is a Delaware statutory trust, may offer, from time to time, trust preferred securities.  The trust preferred securities will represent preferred undivided beneficial interests in the assets of CMS Energy Trust IV and CMS Energy Trust V.

Consumers Energy Company, a Michigan corporation, may offer, from time to time, secured senior debt consisting of senior notes and first mortgage bonds.

For each type of security listed above, the amount, price and terms will be determined at or prior to the time of sale.

We will provide the specific terms of these securities in an accompanying prospectus supplement or supplements.  You should read this prospectus and the accompanying prospectus supplement or supplements carefully before you invest in any of the securities described herein.

Investing in these securities involves risks.  See “Risk Factors” on page 3.

The Common Stock of CMS Energy Corporation is listed on the New York Stock Exchange under the symbol “CMS”.  Unless otherwise indicated in a prospectus supplement, the other securities described in this prospectus will not be listed on a national securities exchange.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus.  Any representation to the contrary is a criminal offense.

The date of this prospectus is April 25, 2014.

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PROSPECTUS SUMMARY

This prospectus is part of a registration statement on Form S-3 that we filed with the Securities and Exchange Commission utilizing a “shelf” registration process.  Under this shelf registration process, any of us may, from time to time, sell any combination of our securities described in this prospectus in one or more offerings.

This prospectus provides you with a general description of the securities we may offer.  Each time we sell securities, we will provide a prospectus supplement containing specific information about the terms of that offering.  The prospectus supplement may also add, update or change information contained in this prospectus.  If there is any inconsistency between the information in this prospectus and the applicable prospectus supplement, you should rely on the information contained in the prospectus supplement.  You should read this prospectus and the applicable prospectus supplement together with the additional information described under the heading “Where You Can Find More Information”.

As used in this prospectus, “CMS Energy” refers to CMS Energy Corporation, the “Trusts” refer, collectively, to CMS Energy Trust IV and CMS Energy Trust V, and “Consumers” refers to Consumers Energy Company.  The terms “we”, “us” and “our” refer to CMS Energy when discussing the securities to be issued by CMS Energy, the Trusts when discussing the securities to be issued by the Trusts, Consumers when discussing the securities to be issued by Consumers and collectively to all of the Registrants where the context requires.  “Registrants” refers, collectively, to CMS Energy, the Trusts and Consumers.

The principal executive offices of each of CMS Energy and Consumers are located at One Energy Plaza, Jackson, Michigan 49201, and the telephone number is 517-788-0550.  The principal executive offices of each Trust are c/o CMS Energy Corporation, One Energy Plaza, Jackson, Michigan 49201, and the telephone number is 517-788-0550.

RISK FACTORS

Before acquiring any of the securities that may be offered by this prospectus, you should carefully consider the risks discussed in the sections of CMS Energy’s and Consumers’ combined Annual Report on Form 10-K for the year ended December 31, 2013 filed with the Securities and Exchange Commission on February 6, 2014 entitled “Risk Factors” and “Forward-Looking Statements and Information”, as updated by the sections of CMS Energy’s and Consumers’ combined Form 10-Q for the quarter ended March 31, 2014 filed with the Securities and Exchange Commission on April 24, 2014 entitled “Risk Factors” and “Forward-Looking Statements and Information”, which are incorporated by reference in this prospectus, and corresponding sections in reports CMS Energy and Consumers may file with the Securities and Exchange Commission after the date of this prospectus.  You should also carefully consider all of the information contained or incorporated by reference in this prospectus or in any prospectus supplement before you invest in any Registrant’s securities.  See “Where You Can Find More Information” below.

WHERE YOU CAN FIND MORE INFORMATION

We have filed with the Securities and Exchange Commission (the “SEC”) a registration statement on Form S-3 (the “Registration Statement”) under the Securities Act of 1933 (the “Securities Act”) with respect to the securities offered in this prospectus.  We have not included certain portions of the Registration Statement in this prospectus as permitted by the SEC’s rules and regulations.  Statements in this prospectus concerning the provisions of any document filed as an exhibit to the Registration Statement are not necessarily complete and are qualified in their entirety by reference to such exhibit.  For further information, you should refer to the Registration Statement and its exhibits.

Each of CMS Energy and Consumers is subject to the informational requirements of the Securities Exchange Act of l934 (the “Exchange Act”) and therefore files annual, quarterly and current reports, proxy statements and other information with the SEC.  You may read and copy the Registration Statement (with exhibits), as well as the reports and other information filed by any of the Registrants with the SEC, at the SEC’s Public Reference Room at its principal offices at 100 F Street, N.E., Washington, D.C. 20549.  You may obtain information on the operation of the SEC’s Public Reference Room by calling 1-800-SEC-0330.  Information filed by us is also

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available at the SEC’s Internet site at www.sec.gov.  You can find additional information about us on CMS Energy’s website at www.cmsenergy.com.  The information on this website is not a part of this prospectus.

You should rely only on the information incorporated by reference or provided in this prospectus or in any prospectus supplements.  We have not authorized anyone to provide you with different information.  You should not assume that the information in this prospectus or any prospectus supplement is accurate as of any date other than the date on the front of those documents.  This prospectus does not constitute an offer to sell or a solicitation of an offer to buy the securities in any jurisdiction to any person to whom it is unlawful to make such offer or solicitation in such jurisdiction.

We have not included or incorporated by reference any separate financial statements of the Trusts.  CMS Energy and the Trusts do not consider that such financial statements would be material to holders of Trust Preferred Securities of the Trusts because each Trust is a special purpose entity, has no operating history and has no independent operations.  The Trusts are not currently involved in and do not anticipate being involved in any activity other than as described under “The Registrants—The Trusts” below.  Further, CMS Energy and the Trusts believe that financial statements of the Trusts are not material to the holders of the Trust Preferred Securities of the Trusts since CMS Energy will guarantee the Trust Preferred Securities (as defined below) of the Trusts.  Holders of the Trust Preferred Securities of the Trusts, with respect to the payment of distributions and amounts upon liquidation, dissolution and winding-up, are at least in the same position vis-à-vis the assets of CMS Energy as a preferred stockholder of CMS Energy.  CMS Energy beneficially owns all of the undivided beneficial interests in the assets of the Trusts (other than the beneficial interests represented by the Trust Preferred Securities of the Trusts).  See “The Registrants—The Trusts” below, “Description of Securities—The Trusts—Trust Preferred Securities” below and “Description of Securities—The Trusts—Effect of Obligations Under the CMS Energy Debt Securities and the Guarantees—The CMS Energy Guarantees” below.  When required by SEC rules, our filings under the Exchange Act will include a footnote to CMS Energy’s annual financial statements stating that the Trusts are wholly owned by CMS Energy, that the sole assets of the Trusts are the Senior Debt Securities or the Subordinated Debt Securities of CMS Energy having a specified aggregate principal amount, and that, considered together, the back-up undertakings, including the Guarantees of CMS Energy, constitute a full and unconditional guarantee by CMS Energy of the Trusts’ obligations under the Trust Preferred Securities issued by the Trusts.  For the foregoing reasons, each of the Trusts is exempt from reporting under the Exchange Act pursuant to Rule 12h-5 under the Exchange Act and is not expected to file periodic reports under Sections 13 and 15(d) of the Exchange Act.

DOCUMENTS INCORPORATED BY REFERENCE

The SEC allows us to “incorporate by reference” the information that we file with them, which means that we can disclose important information to you by referring you to those documents.  Information incorporated by reference is considered to be part of this prospectus.  Later information that we file with the SEC (other than Current Reports on Form 8-K furnished under Item 2.02 or Item 7.01 of Form 8-K) will automatically update and supersede this information.  Each Registrant incorporates by reference into this prospectus the documents listed below related to such Registrant and any future filings (other than Current Reports on Form 8-K furnished under Item 2.02 or Item 7.01 of Form 8-K) that such Registrant makes with the SEC under Section 13(a), 13(c), 14 or 15(d) of the Exchange Act until the offerings contemplated by this prospectus are terminated.

CMS ENERGY

·                                          Annual Report on Form 10-K for the year ended December 31, 2013

·                                          Quarterly Report on Form 10-Q for the quarter ended March 31, 2014

·                                          Current Report on Form 8-K filed February 27, 2014

CONSUMERS

·                                          Annual Report on Form 10-K for the year ended December 31, 2013

·                                          Quarterly Report on Form 10-Q for the quarter ended March 31, 2014

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We will provide to each person, including any beneficial owner, to whom a copy of this prospectus is delivered a copy of any or all of the information that has been incorporated by reference in this prospectus but not delivered with this prospectus.  We will provide this information upon written or oral request at no cost to the requester.  You should direct your requests to:

CMS Energy Corporation

Attention: Corporate Secretary

One Energy Plaza

Jackson, Michigan 49201

Telephone: 517-788-0550

SAFE HARBOR STATEMENT UNDER THE

PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

This prospectus, any related prospectus supplement and the documents that we incorporate by reference herein and therein may contain statements that are statements concerning our expectations, plans, objectives, future financial performance and other items that are not historical facts.  These statements are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995.  Forward-looking statements involve risks and uncertainties that may cause actual results or outcomes to differ materially from those included in the forward-looking statements.  In connection with the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, the Registrants are including herein or incorporating by reference cautionary statements identifying important factors that could cause their respective actual results to differ materially from those projected in forward-looking statements (as such term is defined in the Private Securities Litigation Reform Act of 1995) made by or on behalf of the Registrants.  Any statements that express or involve discussions as to expectations, beliefs, plans, objectives, assumptions or future events, performance or growth (often, but not always, through the use of words or phrases such as “might,” “may,” “could,” “should,” “anticipates,” “believes,” “estimates,” “expects,” “intends,” “plans,” “projects,” “forecasts,” “predicts,” “assumes,” and other similar words) are not statements of historical facts and are forward-looking.  Forward-looking statements involve estimates, assumptions and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements.  Accordingly, any such statements are qualified in their entirety by reference to, and are accompanied by, the important factors described in the sections of CMS Energy’s and Consumers’ combined Annual Report on Form 10-K for the year ended December 31, 2013 filed with the SEC on February 6, 2014 entitled “Risk Factors” and “Forward-Looking Statements and Information”, as updated by the sections of CMS Energy’s and Consumers’ combined Form 10-Q for the quarter ended March 31, 2014 filed with the SEC on April 24, 2014 entitled “Risk Factors” and “Forward-Looking Statements and Information”, that could cause a Registrant’s actual results to differ materially from those contained in forward-looking statements of such Registrant made by or on behalf of such Registrant.

All such factors are difficult to predict, contain uncertainties that may materially affect actual results and are beyond the control of the Registrants.  You are cautioned not to place undue reliance on forward-looking statements.  Any forward-looking statement speaks only as of the date on which such statement is made, and the Registrants undertake no obligation to update any forward-looking statement or statements to reflect events or circumstances after the date on which such statement is made or to reflect the occurrence of unanticipated events.  New factors emerge from time to time, and it is not possible for each Registrant’s management to predict all of such factors, nor can such management assess the impact of each such factor on the business of such Registrant or the extent to which any factor, or combination of factors, may cause actual results of such Registrant to differ materially from those contained in any forward-looking statements.

THE REGISTRANTS

CMS ENERGY

CMS Energy is an energy company operating primarily in Michigan.  It is the parent holding company of several subsidiaries, including Consumers and CMS Enterprises Company (“Enterprises”).  Consumers is an electric and gas utility that provides electricity and/or natural gas to 6.5 million of Michigan’s 10 million residents.  Enterprises, through its subsidiaries and equity investments, is engaged primarily in independent power production

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and owns power generation facilities fueled mostly by natural gas and biomass.  CMS Energy manages its businesses by the nature of services each provides and operates principally in three business segments: electric utility, gas utility, and enterprises, its non-utility operations and investments.

THE TRUSTS

CMS Energy Trust IV and CMS Energy Trust V are statutory trusts formed under the Delaware Statutory Trust Act pursuant to (i) a trust agreement executed by CMS Energy, as sponsor, and the trustees of the Trusts (the “CMS Energy Trustees”) and (ii) the filing of a certificate of trust with the Secretary of State of the State of Delaware.  At the time of public issuance of Trust Preferred Securities of the Trusts, each trust agreement will be amended and restated in its entirety (as so amended and restated, the “Trust Agreement”) and will be qualified as an indenture under the Trust Indenture Act of 1939 (the “Trust Indenture Act”).  CMS Energy will directly or indirectly acquire common securities of each Trust (the “Common Securities” and, together with the Trust Preferred Securities of such Trust, the “Trust Securities”) in an aggregate liquidation amount equal to approximately 3% for the total capital of the Trust.  Each Trust exists for the exclusive purposes of:

·                                          issuing Trust Preferred Securities and Common Securities representing undivided beneficial interests in the assets of the Trust;

·                                          investing the gross proceeds of the Trust Securities in the Senior Debt Securities or Subordinated Debt Securities of CMS Energy; and

·                                          engaging in only those other activities necessary or incidental thereto.

Each Trust has a term of approximately 30 years, but may terminate earlier as provided in the Trust Agreement.

CONSUMERS

Consumers was incorporated in Maine in 1910 and became a Michigan corporation in 1968.  Consumers owns and operates electric distribution and generation facilities and gas transmission, storage and distribution facilities.  Consumers serves individuals and businesses operating in the alternative energy, automotive, chemical, metal and food products industries, as well as a diversified group of other industries.  Consumers provides electricity and/or natural gas to 6.5 million of Michigan’s 10 million residents.  Consumers’ rates and certain other aspects of its business are subject to the jurisdiction of the Michigan Public Service Commission and the Federal Energy Regulatory Commission.  Consumers manages its businesses by the nature of services each provides and operates principally in two business segments: electric utility and gas utility.

USE OF PROCEEDS

Except as otherwise provided in the applicable prospectus supplement or other offering materials, the net proceeds from the sale of the CMS Energy and Consumers securities will be used for general corporate purposes.  If we do not use the net proceeds immediately, we may temporarily invest them in short-term, interest-bearing obligations.  The specific use of proceeds from the sale of securities will be set forth in the applicable prospectus supplement or other offering materials relating to the offering of such securities.  The net proceeds received by each of the Trusts from the sale of its Trust Preferred Securities or the Common Securities will be used to purchase from CMS Energy its Senior Debt Securities or Subordinated Debt Securities.

RATIO OF EARNINGS TO FIXED CHARGES AND

RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS

Each of the ratio of earnings to fixed charges and the ratio of earnings to combined fixed charges and preferred dividends of CMS Energy and Consumers is incorporated by reference from Exhibits 12.1 and 12.2, respectively, to their combined Form 10-Q for the quarter ended March 31, 2014 filed with the SEC on April 24, 2014.

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DESCRIPTION OF SECURITIES

CMS ENERGY

Introduction

Specific terms of the shares of CMS Energy Common Stock, the shares of Preferred Stock, unsecured senior debt securities (the “Senior Debt Securities”), unsecured convertible senior debt securities (the “Senior Convertible Debt Securities”) and unsecured subordinated debt securities, which may provide that such securities are convertible into other securities (the “Subordinated Debt Securities”) (the Senior Debt Securities, the Senior Convertible Debt Securities and the Subordinated Debt Securities are referred to, individually, as a “CMS Energy Debt Security” and, collectively, as the “CMS Energy Debt Securities”), stock purchase contracts to purchase CMS Energy Common Stock (the “Stock Purchase Contracts”), stock purchase units (the “Stock Purchase Units”), each representing ownership of a Stock Purchase Contract and Senior Debt Securities, Subordinated Debt Securities, Preferred Stock, Trust Preferred Securities or debt obligations of third parties, including U.S. Treasury securities, securing the holder’s obligation to purchase the CMS Energy Common Stock under the Stock Purchase Contract, or any combination of the foregoing, irrevocable guarantees (individually, a “Guarantee” and, collectively, “Guarantees”) of CMS Energy, on a senior or subordinated basis as applicable, and to the extent set forth therein, with respect to each of the Trust Securities, the payment of distributions, the redemption price, including all accrued or deferred and unpaid distributions, and payment on liquidation, but only to the extent that the Trust has funds on hand, and trust preferred securities (the “Trust Preferred Securities”) representing preferred undivided beneficial interests in the assets of the Trust, in respect of which this prospectus is being delivered (collectively, the “CMS Energy Offered Securities”), will be set forth in an accompanying prospectus supplement or supplements, together with the terms of the offering of the CMS Energy Offered Securities, the initial price thereof and the net proceeds from the sale thereof.  The prospectus supplement will set forth with regard to the particular CMS Energy Offered Securities, without limitation, the following:

·                                          in the case of CMS Energy Debt Securities, the designation, the aggregate principal amount, the denomination, the maturity, the premium, if any, any exchange, conversion, redemption or sinking fund provisions, the interest rate (which may be fixed or variable), the time or method of calculating interest payments, the right of CMS Energy, if any, to defer payment or interest on the CMS Energy Debt Securities and the maximum length of such deferral, put options, if any, the public offering price, the ranking, any listing on a securities exchange and other specific terms of the offering and sale thereof;

·                                          in the case of CMS Energy Common Stock, the number of shares, the public offering price and other specific terms of the offering and sale thereof;

·                                          in the case of Trust Preferred Securities, the designation, the number of shares, the liquidation preference per security, the public offering price, any listing on a securities exchange, the dividend rate (or method of calculation thereof), the dates on which dividends shall be payable and the dates from which dividends shall accrue, whether dividends on the Trust Preferred Securities would be deferred during any deferral of interest payments on the CMS Energy Debt Securities and the maximum length of such deferral, any voting rights, any redemption, exchange or sinking fund provisions and any other rights, preferences, privileges, limitations or restrictions relating to a specific series of the Trust Preferred Securities, including a description of the Guarantee, as the case may be;

·                                          in the case of Preferred Stock, the designation, the number of shares, the liquidation preference per security, the public offering price, any listing on a securities exchange, the dividend rate (or method of calculation thereof), the dates on which dividends shall be payable and the dates from which dividends shall accrue, any voting rights, any redemption, exchange, conversion or sinking fund provisions and any other rights, preferences, privileges, limitations or restrictions relating to a specific series of the Preferred Stock; and

·                                          in the case of Stock Purchase Units, the specific terms of the Stock Purchase Contracts and any Senior Debt Securities, Subordinated Debt Securities, Preferred Stock, Trust Preferred Securities or debt obligations of third parties securing the holders’ obligation to purchase CMS Energy Common Stock under the Stock Purchase Contracts, and the terms of the offering and sale thereof.

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Capital Stock

The following summary of certain rights of the holders of CMS Energy capital stock does not purport to be complete and is qualified in its entirety by express reference to the Restated Articles of Incorporation, as amended,  of CMS Energy (the “CMS Energy Articles”) and the Amended and Restated Bylaws of CMS Energy (the “CMS Energy Bylaws”), which are incorporated into this prospectus by reference.  See “Where You Can Find More Information” above.  A copy of each of the CMS Energy Articles and the CMS Energy Bylaws has been previously filed with the SEC.  The CMS Energy Articles are also available on our website at www.cmsenergy.com.

The authorized capital stock of CMS Energy consists of:

·                                          350 million shares of CMS Energy Common Stock; and

·                                          10 million shares of Preferred Stock.

At April 4, 2014, CMS Energy had 269,490,029 shares of CMS Energy Common Stock and no shares of Preferred Stock issued and outstanding.

Common Stock

Dividend Rights and Policy; Restrictions on Dividends

Dividends on CMS Energy Common Stock are paid at the discretion of the board of directors of CMS Energy based primarily upon the earnings and financial condition of CMS Energy.  Dividends are payable out of the assets of CMS Energy legally available therefor.

CMS Energy is a holding company and its assets consist primarily of investments in its subsidiaries.  As a holding company with no significant operations of its own, the principal sources of its funds are dependent primarily upon the earnings of its subsidiaries (in particular, Consumers), borrowings and sales of equity.  CMS Energy’s ability to pay dividends on its capital stock is dependent primarily upon the earnings and cash flows of its subsidiaries and the distribution or other payment of such earnings to CMS Energy in the form of dividends, tax sharing payments, loans or advances and repayment of loans and advances from CMS Energy.  Accordingly, the ability of CMS Energy to pay dividends on its capital stock will depend on the earnings, financial requirements, contractual restrictions of the subsidiaries of CMS Energy (in particular, Consumers) and other factors.  CMS Energy’s subsidiaries are separate and distinct legal entities and have no obligation, contingent or otherwise, to pay any amounts on the capital stock of CMS Energy or to make any funds available therefor, whether by dividends, loans or other payments.

Dividends on capital stock of CMS Energy are limited by Michigan law to legally available assets of CMS Energy.  Distributions on CMS Energy Common Stock may be subject to the rights of the holders, if any, of any issued and outstanding series of Preferred Stock.

Michigan law prohibits payment of a dividend or a repurchase of capital stock if, after giving it effect, a corporation would not be able to pay its debts as they become due in the usual course of business, or its total assets would be less than the sum of its total liabilities plus, unless the CMS Energy Articles provide otherwise, the amount that would be needed, if the corporation were to be dissolved at the time of the distribution, to satisfy the preferential rights upon dissolution of shareholders whose preferential rights are superior to those receiving the distribution (including the rights of holders of preferred stock, if any).

Voting Rights

Each holder of CMS Energy Common Stock is entitled to one vote for each share of CMS Energy Common Stock held by such holder on each matter voted upon by the shareholders.  Such right to vote is not cumulative.  A majority of the votes cast by the holders of shares entitled to vote thereon is sufficient for the adoption of any question presented, except that certain provisions of the CMS Energy Articles relating to (i) the authorization, effectiveness or validity of a merger or consolidation of CMS Energy that would adversely affect the powers or

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special rights of CMS Energy Common Stock (either directly by amendment to the CMS Energy Articles or indirectly by requiring the holders of the CMS Energy Common Stock to accept or retain, in such merger or consolidation, anything other than shares of CMS Energy Common Stock or shares of the surviving or resulting corporation having, in either case, powers and special rights identical to those of the CMS Energy Common Stock prior to such merger or consolidation) require the vote or consent of the holders of a majority of all of the shares of CMS Energy Common Stock then outstanding, (ii) contested elections of directors require the vote of a plurality of the votes of the shares present in person or represented by proxy at the meeting and entitled to vote on the election of directors and (iii) special shareholder meetings, the number of directors, vacancies on CMS Energy’s board of directors, the removal, indemnification and liability of CMS Energy’s board of directors and the requirements for amending these provisions may not be amended, altered, changed or repealed unless such amendment, alteration, change or repeal is approved by the affirmative vote of the holders of at least 75% of the outstanding shares entitled to vote thereon.

Under Michigan law, the approval of the holders of a majority of the outstanding shares of CMS Energy Common Stock would be necessary (1) to authorize, effect or validate the merger or consolidation of CMS Energy into or with any other corporation if such merger or consolidation would adversely affect the powers or special rights of CMS Energy Common Stock, and (2) to authorize any amendment to the CMS Energy Articles that would increase or decrease the aggregate number of authorized shares of CMS Energy Common Stock or alter or change the powers, preferences or special rights of the shares of CMS Energy Common Stock so as to affect them adversely.  The effect of these provisions and the related provisions described in the prior paragraph may be to permit the holders of a majority of the outstanding shares of CMS Energy Common Stock to block any such merger or amendment that would adversely affect the powers or special rights of holders of such shares of CMS Energy Common Stock.

Preemptive Rights

The CMS Energy Articles provide that holders of CMS Energy Common Stock will have no preemptive rights to subscribe for or purchase any additional shares of the capital stock of CMS Energy of any class now or hereafter authorized, or any Preferred Stock, bonds, debentures or other obligations or rights or options convertible into or exchangeable for or entitling the holder or owner to subscribe for or purchase any shares of capital stock, or any rights to exchange shares issued for shares to be issued.

Liquidation Rights

In the event of the dissolution, liquidation or winding up of CMS Energy, whether voluntary or involuntary, after payment or provision for payment of the debts and other liabilities of CMS Energy and after there shall have been paid or set apart for the holders of Preferred Stock the full preferential amounts (including any accumulated and unpaid dividends) to which they are entitled, the holders of CMS Energy Common Stock will be entitled to receive, on a per share basis, the assets of CMS Energy remaining for distribution to the holders of CMS Energy Common Stock.  Neither the merger or consolidation of CMS Energy into or with any other corporation, nor the merger or consolidation of any other corporation into or with CMS Energy nor any sale, transfer or lease of all or any part of the assets of CMS Energy, shall be deemed to be a dissolution, liquidation or winding up for the purposes of this provision.

Because CMS Energy has subsidiaries that have debt obligations and other liabilities of their own, CMS Energy’s rights and the rights of its creditors and its stockholders to participate in the distribution of assets of any subsidiary upon the latter’s liquidation or recapitalization will be subject to prior claims of the subsidiary’s creditors, except to the extent that CMS Energy may itself be a creditor with recognized claims against the subsidiary.

Subdivision or Combination

If CMS Energy subdivides (by stock split, stock dividend or otherwise) or combines (by reverse stock split or otherwise) the outstanding shares of CMS Energy Common Stock, the voting and liquidation rights of shares of CMS Energy Common Stock will be appropriately adjusted so as to avoid any dilution in aggregate voting or liquidation rights.

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Exchanges

The CMS Energy Articles do not provide for either the mandatory or optional exchange or redemption of CMS Energy Common Stock.

Preferred Stock

The authorized Preferred Stock may be issued without the approval of the holders of CMS Energy Common Stock in one or more series, from time to time, with each such series to have such designation, powers, preferences and relative, participating, optional or other special rights, voting rights, if any, and qualifications, limitations or restrictions thereof, as shall be stated in a resolution providing for the issue of any such series adopted by CMS Energy’s board of directors.  The CMS Energy Articles provide that holders of Preferred Stock will not have any preemptive rights to subscribe for or purchase any additional shares of the capital stock of CMS Energy of any class now or hereafter authorized, or any Preferred Stock, bonds, debentures or other obligations or rights or options convertible into or exchangeable for or entitling the holder or owner to subscribe for or purchase any shares of capital stock, or any rights to exchange shares issued for shares to be issued.  The future issuance of Preferred Stock may have the effect of delaying, deterring or preventing a change in control of CMS Energy.

Primary Source of Funds of CMS Energy; Restrictions on Sources of Dividends

The ability of CMS Energy to pay (i) dividends on its capital stock and (ii) its indebtedness, including the CMS Energy Debt Securities, depends and will depend substantially upon timely receipt of sufficient dividends or other distributions from its subsidiaries, in particular Consumers and Enterprises.  Each of Consumers’ and Enterprises’ ability to pay dividends on its common stock depends upon its revenues, earnings and other factors.  Consumers’ revenues and earnings will depend substantially upon rates authorized by the Michigan Public Service Commission.

CMS Energy has pledged the common stock of Consumers as security for bank credit facilities.

Consumers’ Restated Articles of Incorporation (the “Consumers Articles”) provide two restrictions on its payment of dividends on its common stock.  First, prior to the payment of any common stock dividend, Consumers must reserve retained earnings after giving effect to such dividend payment of at least:

·                                          $7.50 per share on all then outstanding shares of its preferred stock; and

·                                          $7.50 per share on all then outstanding shares of all other stock over which its preferred stock do not have preference as to the payment of dividends and as to assets.

Second, dividend payments during the 12-month period ending with the month the proposed payment is to be paid are limited to:

·                                          50% of net income available for the payment of dividends during the Base Period (as defined below), if the ratio of common stock and surplus to total capitalization and surplus for 12 consecutive calendar months within the 14 calendar months immediately preceding the proposed dividend payment (the “Base Period”), adjusted to reflect the proposed dividend, is less than 20%; and

·                                          75% of net income available for the payment of dividends during the Base Period, if the ratio of common stock and surplus to total capitalization and surplus for the 12 consecutive calendar months immediately preceding the proposed dividend payment, is at least 20% but less than 25%.

The Consumers Articles also prohibit the payment of cash dividends on its common stock if Consumers is in arrears on preferred stock dividend payments.

Provisions of the Federal Power Act and the Natural Gas Act appear to restrict dividends payable by Consumers to the amount of Consumers’ retained earnings.  Several decisions from the Federal Energy Regulatory Commission suggest that under a variety of circumstances common stock dividends from Consumers would not be

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limited to amounts in Consumers’ retained earnings.  Any decision by Consumers to pay common stock dividends in excess of retained earnings would be based on specific facts and circumstances and would result only after a formal regulatory filing process.

In addition, Michigan law prohibits payment of a dividend if, after giving it effect, Consumers or Enterprises would not be able to pay its respective debts as they become due in the usual course of business, or its respective total assets would be less than the sum of its respective total liabilities plus, unless the respective articles of incorporation permit otherwise, the amount that would be needed, if Consumers or Enterprises were to be dissolved at the time of the distribution, to satisfy the preferential rights upon dissolution of shareholders whose preferential rights are superior to those receiving the distribution.  Currently, it is Consumers’ policy to pay annual dividends equal to 80% of its annual consolidated net income.  Consumers’ board of directors reserves the right to change this policy at any time.

CMS Energy Debt Securities

The CMS Energy Debt Securities offered by any prospectus supplement will be unsecured obligations of CMS Energy and will be either senior or subordinated debt.  Senior Debt Securities will be issued under our senior debt indenture dated as of September 15, 1992 between CMS Energy and The Bank of New York Mellon, as trustee, as amended and supplemented (the “Senior Debt Indenture”), and Subordinated Debt Securities will be issued under our indenture dated June 1, 1997 between CMS Energy and The Bank of New York Mellon, as trustee, as amended and supplemented (the “Subordinated Debt Indenture”).  The Senior Debt Indenture and the Subordinated Debt Indenture are sometimes referred to in this prospectus individually as a “CMS Energy Indenture” and collectively as the “CMS Energy Indentures”.

The following briefly summarizes the material provisions of the CMS Energy Indentures that have been filed with the SEC and incorporated by reference in the registration statement of which this prospectus is a part.  This summary of the CMS Energy Indentures is not complete and is qualified in its entirety by reference to the CMS Energy Indentures.  You should read the more detailed provisions of the applicable CMS Energy Indenture, including the defined terms, for provisions that may be important to you.  You should also read the particular terms of a series of CMS Energy Debt Securities, which will be described in more detail in the applicable prospectus supplement.

Unless otherwise provided in the applicable prospectus supplement, the trustee under the Senior Debt Indenture and under the Subordinated Debt Indenture will be The Bank of New York Mellon.

General

The CMS Energy Indentures provide that CMS Energy Debt Securities may be issued in one or more series, with different terms, in each case as authorized from time to time by CMS Energy.  The CMS Energy Indentures do not limit the aggregate principal amount of CMS Energy Debt Securities that may be issued under the CMS Energy Indentures.  All securities issued under the relevant CMS Energy Indenture will rank equally and ratably with all other securities issued under such CMS Energy Indenture.

Certain material United States federal income tax consequences and other special considerations applicable to any CMS Energy Debt Securities issued at a discount will be described in the applicable prospectus supplement.

Because CMS Energy is a holding company, the claims of creditors of CMS Energy’s subsidiaries will have a priority over CMS Energy’s equity rights and the rights of CMS Energy’s creditors, including the holders of CMS Energy Debt Securities, to participate in the assets of the subsidiary upon the subsidiary’s liquidation.

The applicable prospectus supplement relating to any series of CMS Energy Debt Securities will describe the following terms, where applicable:

·                                          the title of the CMS Energy Debt Securities;

·                                          whether the CMS Energy Debt Securities will be senior or subordinated debt;

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·                                          the total principal amount of the CMS Energy Debt Securities of such series that may be issued;

·                                          the percentage of the principal amount at which the CMS Energy Debt Securities will be sold and, if applicable, the method of determining the price;

·                                          the maturity date or dates;

·                                          the interest rate or the method of computing the interest rate;

·                                          the date or dates from which any interest will accrue, or how such date or dates will be determined, and the interest payment date or dates and any related record dates;

·                                          the place or places where the principal of and any interest on such CMS Energy Debt Securities of such series will be payable;

·                                          any right of CMS Energy to redeem such CMS Energy Debt Securities of such series and the terms and conditions of any such redemption;

·                                          any obligation of CMS Energy to redeem, purchase or repay the CMS Energy Debt Securities of such series at the option of a holder upon the happening of any event and the terms and conditions of any such redemption, purchase or repayment;

·                                          any obligation of CMS Energy to permit the conversion of such CMS Energy Debt Securities of such series into CMS Energy Common Stock and the terms and conditions upon which such conversion shall be effected;

·                                          whether the CMS Energy Debt Securities of such series will be issued in book-entry form and the terms and any conditions for exchanging the global security in whole or in part for paper certificates;

·                                          any material provisions of the applicable indenture described in this prospectus that do not apply to the CMS Energy Debt Securities of such series;

·                                          any additional amounts with respect to the CMS Energy Debt Securities of such series that CMS Energy will pay to a non-United States person because of any tax, assessment or governmental charge withheld or deducted and, if so, any option of CMS Energy to redeem the CMS Energy Debt Securities of such series rather than paying these additional amounts; and

·                                          any other specific terms of the CMS Energy Debt Securities of such series.

The CMS Energy Indentures provide that all CMS Energy Debt Securities of any one series need not be issued at the same time, and CMS Energy may, from time to time, issue additional CMS Energy Debt Securities of a previously issued series without consent of, and without notifying, the holders of other CMS Energy Debt Securities.

Concerning the Trustees

The Bank of New York Mellon, the trustee under the Senior Debt Indenture and the Subordinated Debt Indenture, is one of a number of banks with which CMS Energy and its subsidiaries maintain ordinary banking relationships.

Exchange and Transfer

CMS Energy Debt Securities may be presented for exchange and registered CMS Energy Debt Securities may be presented for registration of transfer at the office or agency maintained for that purpose subject to the restrictions set forth in any such CMS Energy Debt Securities and in the applicable prospectus supplement without service charge, but upon payment of any taxes or other governmental charges due in connection therewith, subject to any limitations contained in the applicable indenture.  CMS Energy Debt Securities in bearer form and the coupons appertaining thereto, if any, will be transferable by delivery as provided in the applicable CMS Energy Indenture.

Payment

Payments of principal of and any interest on CMS Energy Debt Securities in registered form will be made at the office or agency of the applicable trustee in The City of New York or its other designated office.  However, at the option of CMS Energy, payment of any interest may be made by check or by wire transfer.  Payment of any interest due on CMS Energy Debt Securities in registered form will be made to the persons in whose name the CMS Energy Debt Securities are registered at the close of business on the record date for such interest payments.  Payments to be made in any other manner will be specified in the applicable prospectus supplement.

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Events of Default

Each CMS Energy Indenture provides that events of default regarding any series of CMS Energy Debt Securities will include:

·                                          failure to pay required interest on any CMS Energy Debt Security of such series for 30 days;

·                                          failure to pay principal on any CMS Energy Debt Security of such series when due;

·                                          failure to deposit any sinking fund when due in respect of the CMS Energy Debt Securities of such series;

·                                          failure to perform any other covenant in the relevant indenture, other than a covenant included in the relevant indenture solely for the benefit of a series of CMS Energy Debt Securities other than such series, for 60 days after written notice by the trustee to CMS Energy or by the holders of at least 25% in aggregate principal amount of the outstanding CMS Energy Debt Securities of all series affected thereby to CMS Energy and the trustee as provided in the applicable CMS Energy Indenture;

·                                          certain events of bankruptcy or insolvency, whether voluntary or not, of CMS Energy;

·                                          entry of final judgments against CMS Energy or Consumers for more than $25,000,000 that remain undischarged or unbonded for 60 days; or

·                                          a default resulting in the acceleration of indebtedness of CMS Energy of more than $25,000,000, and the acceleration has not been rescinded or annulled within 10 days after written notice of such default by the trustee to CMS Energy or by the holders of at least 10% in aggregate principal amount of the outstanding CMS Energy Debt Securities of that series to CMS Energy and the trustee as provided in the applicable CMS Energy Indenture.

Additional events of default may be prescribed for the benefit of the holders of a particular series of CMS Energy Debt Securities and will be described in the prospectus supplement relating to those CMS Energy Debt Securities.

If an event of default regarding CMS Energy Debt Securities of any series issued under the CMS Energy Indentures should occur and be continuing, either the trustee or the holders of at least 25% in aggregate principal amount of outstanding CMS Energy Debt Securities of such series may declare each CMS Energy Debt Security of that series due and payable.

Holders of a majority in aggregate principal amount of the outstanding CMS Energy Debt Securities of each series affected will be entitled to control certain actions of the trustee under the CMS Energy Indentures.  The trustee generally will not be requested, ordered or directed by any of the holders of CMS Energy Debt Securities, unless one or more of such holders shall have offered to the trustee reasonable indemnity.

Before any holder of any series of CMS Energy Debt Securities may institute action for any remedy, except payment on such holder’s CMS Energy Debt Security when due, the holders of not less than 25% in aggregate principal amount of the CMS Energy Debt Securities of each affected series then outstanding must request the trustee to take action.  Holders must also offer the trustee reasonable indemnity against costs, expenses and liabilities incurred by the trustee for taking such action.

CMS Energy is required to annually furnish the relevant trustee a statement as to CMS Energy’s compliance with all conditions and covenants under the applicable CMS Energy Indenture.  Each CMS Energy Indenture provides that the relevant trustee may withhold notice to the holders of the CMS Energy Debt Securities of any series of any default affecting such series, except payment of principal of, interest on or any sinking fund installment on CMS Energy Debt Securities of such series when due, if it considers withholding notice to be in the interests of the holders of the CMS Energy Debt Securities of such series.

Consolidation, Merger or Sale of Assets

Each CMS Energy Indenture provides that CMS Energy may consolidate with or merge into any other corporation, or sell, lease or convey its property as an entirety or substantially as an entirety to any other person, if

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the new corporation or person assumes the obligations of CMS Energy under the CMS Energy Debt Securities and the CMS Energy Indentures and is organized and existing under the laws of the United States of America, any U.S. state or the District of Columbia, and after giving effect to the transaction no event of default under the applicable CMS Energy Indenture has occurred and is continuing, and certain other conditions are met.

Modification of the Indenture

Each CMS Energy Indenture permits CMS Energy and the relevant trustee to enter into supplemental indentures without the consent of the holders of the CMS Energy Debt Securities:

·                                          to pledge assets as security for one or more series of CMS Energy Debt Securities;

·                                          to provide for a successor to CMS Energy to assume the applicable CMS Energy Indenture;

·                                          to add covenants of CMS Energy for the benefit of the holders of any series of CMS Energy Debt Securities;

·                                          to cure any ambiguity or to correct or supplement any provision in the CMS Energy Indenture or any supplemental indenture that may be defective or inconsistent with any other provision contained in the CMS Energy Indenture or any supplemental indenture, or to make such other provisions as CMS Energy may deem necessary or desirable, with respect to matters arising under the CMS Energy Indenture, provided that no such action shall adversely affect the interests of the holders of the CMS Energy Debt Securities of any series appertaining thereto;

·                                          to establish the form and terms of any series of securities under that CMS Energy Indenture; and

·                                          to provide for a successor trustee.

Each CMS Energy Indenture also permits CMS Energy and the relevant trustee, with the consent of the holders of a majority in aggregate principal amount of the CMS Energy Debt Securities of all series then outstanding and affected (voting as one class), to enter into one or more supplemental indentures to change in any manner the provisions of the applicable CMS Energy Indenture or modify in any manner the rights of the holders of the CMS Energy Debt Securities of each such affected series; provided, that no such supplemental indenture shall:

·                                          change the time of payment of the principal of such CMS Energy Debt Security;

·                                          reduce the principal amount or amount payable upon redemption, if any, of such CMS Energy Debt Security;

·                                          reduce the rate or change the time of payment of interest on such CMS Energy Debt Security;

·                                          change the currency of payment of principal of or interest on such CMS Energy Debt Security;

·                                          reduce the amount payable on any securities issued originally at a discount upon acceleration or provable in bankruptcy; or

·                                          impair the right to institute suit for the enforcement of any payment on any CMS Energy Debt Security when due.

In addition, no such supplemental indenture may reduce the percentage in principal amount of the CMS Energy Debt Securities of the affected series, the consent of whose holders is required for any such supplemental indenture or for any waiver provided for in the applicable CMS Energy Indenture.

Prior to the acceleration of the maturity of any CMS Energy Debt Security, the holders, voting as one class, of a majority in aggregate principal amount of the CMS Energy Debt Securities of all series then outstanding with respect to which a default or event of default shall have occurred and be continuing may on behalf of the holders of all such affected CMS Energy Debt Securities waive any past default or event of default and its consequences, except a default or an event of default in respect of the payment of the principal of or interest on any CMS Energy Debt Security of such series or in respect of a covenant or provision of the applicable CMS Energy Indenture or of any CMS Energy Debt Security that cannot be modified or amended without the consent of the holder of each CMS Energy Debt Security affected.

Defeasance, Covenant Defeasance and Discharge

Each CMS Energy Indenture provides that, at the option of CMS Energy:

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·                                          CMS Energy will be discharged from all obligations in respect of the CMS Energy Debt Securities of a particular series then outstanding (except for certain obligations to register the transfer or exchange of the CMS Energy Debt Securities of such series, to replace stolen, lost or mutilated CMS Energy Debt Securities of such series, to maintain paying agencies and to maintain the trust described below); or

·                                          CMS Energy need not comply with certain restrictive covenants of the relevant CMS Energy Indenture (including those described under “Consolidation, Merger or Sale of Assets” above),

if CMS Energy in each case irrevocably deposits in trust with the relevant trustee money or Government Obligations (as defined in the CMS Energy Indentures), maturing as to principal and interest at such times and in such amounts as will insure the availability of money, or a combination of money and Government Obligations, sufficient in the opinion of a nationally recognized firm of independent public accountants to pay all the principal and interest on the CMS Energy Debt Securities of such series, and any sinking fund payment, on the stated maturities of such CMS Energy Debt Securities in accordance with the terms thereof.

To exercise this option, CMS Energy is required to deliver to the relevant trustee an opinion of independent counsel to the effect that:

·                                          the exercise of such option would not cause the holders of the CMS Energy Debt Securities of such series to recognize income, gain or loss for United States federal income tax purposes as a result of such defeasance, and such holders will be subject to United States federal income tax on the same amounts, in the same manner and at the same times as would have been the case if such defeasance had not occurred; and

·                                          in the case of a discharge under the Senior Debt Indenture, such opinion shall also be to the effect that (i) a ruling to the same effect has been received from or published by the Internal Revenue Service or (ii) since the date of the Senior Debt Indenture there has been a change in the applicable United States federal income tax law.

Governing Law

Each CMS Energy Indenture and the CMS Energy Debt Securities will be governed by, and construed in accordance with, the laws of the State of Michigan unless the laws of another jurisdiction shall mandatorily apply.

Senior Debt Securities

The Senior Debt Securities will be issued under the Senior Debt Indenture and will rank on an equal basis with all other unsecured debt of CMS Energy except subordinated debt.

Subordinated Debt Securities

The Subordinated Debt Securities will be issued under the Subordinated Debt Indenture and will rank subordinated and junior in right of payment in full, to the extent set forth in the Subordinated Debt Indenture, to all Senior Indebtedness (as defined herein) of CMS Energy.

If CMS Energy defaults in the payment of principal of, or interest on, any Senior Indebtedness when it becomes due and payable after any applicable grace period or in the event any judicial proceeding is pending with respect to any such default, then, unless and until the default is cured or waived or ceases to exist, CMS Energy cannot make a payment with respect to the principal of, or interest on, Subordinated Debt Securities or acquire any Subordinated Debt Securities or on account of any sinking fund provisions.  The provisions of the Subordinated Debt Indenture described in this paragraph, however, do not prevent CMS Energy from making payments in CMS Energy capital stock or certain rights to acquire CMS Energy capital stock or sinking fund payments in Subordinated Debt Securities acquired prior to such default and notice thereof and payments made through the exchange of other debt obligations of CMS Energy for the Subordinated Debt Securities.  If there is any dissolution, insolvency, bankruptcy, liquidation or other similar proceeding relating to CMS Energy, its creditors or its property, then all

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Senior Indebtedness must be paid in full before any payment may be made to any holders of Subordinated Debt Securities.

“Senior Indebtedness” means the principal of and premium, if any, and interest on the following, whether outstanding on the date of execution of the Subordinated Debt Indenture or thereafter incurred, created or assumed:

·                                          indebtedness of CMS Energy for money borrowed by CMS Energy (including purchase money obligations) or evidenced by debentures (other than the Subordinated Debt Securities), notes, bankers’ acceptances or other corporate debt securities or similar instruments issued by CMS Energy;

·                                          all capital lease obligations of CMS Energy;

·                                          all obligations of CMS Energy issued or assumed as deferred purchase price of property, all conditional sale obligations of CMS Energy and all obligations of CMS Energy under any title retention agreement (but excluding trade accounts payable arising in the ordinary course of business);

·                                          obligations with respect to letters of credit;

·                                          all indebtedness of others of the type referred to in the four preceding clauses assumed by or guaranteed in any manner by CMS Energy or in effect guaranteed by CMS Energy;

·                                          all obligations of the type referred to in the five preceding clauses of other persons secured by any lien on any property or asset of CMS Energy (subject to certain exceptions); or

·                                          renewals, extensions or refundings of any of the indebtedness referred to in the preceding six clauses unless, in the case of any particular indebtedness, renewal, extension or refunding, under the express provisions of the instrument creating or evidencing the same or the assumption or guarantee of the same, or pursuant to which the same is outstanding, such indebtedness or such renewal, extension or refunding thereof is not superior in right of payment to the Subordinated Debt Securities.

The Subordinated Debt Indenture does not limit the total amount of Senior Indebtedness that may be issued.

If Subordinated Debt Securities are issued to a Trust or a trustee of such Trust in connection with the issuance of Trust Preferred Securities by such Trust, and if at such time:

·                                          there shall have occurred any event of which CMS Energy has actual knowledge (i) that with the giving of notice or the lapse of time, or both, would constitute an event of default under the Subordinated Debt Indenture and (ii) in respect of which CMS Energy shall not have taken reasonable steps to cure;

·                                          CMS Energy shall be in default with respect to its payment of any obligations under the Guarantees; or

·                                          CMS Energy shall have given notice of its election to defer payments of interest on such Subordinated Debt Securities as provided in the Subordinated Debt Indenture and shall not have rescinded such notice, or such extended interest payment period, or any extension thereof, shall be continuing,

then CMS Energy will not, and it will cause its subsidiaries to not:

·                                          declare or pay any dividends or distributions on, or redeem, purchase, acquire or make a liquidation payment with respect to, any of CMS Energy’s capital stock; or

·                                          make any payment of principal, interest or premium, if any, on or repay, repurchase or redeem any debt securities (including guarantees of indebtedness for money borrowed) of CMS Energy that rank pari passu with or junior to the Subordinated Debt Securities,

other than:

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·                                          any dividend, redemption, liquidation, interest, principal or guarantee payment by CMS Energy where the payment is made by way of securities (including capital stock) that rank pari passu with or junior to the securities on which such dividend, redemption, interest, principal or guarantee payment is being made;

·                                          payments under the Guarantees;

·                                          purchases of CMS Energy Common Stock related to the issuance of CMS Energy Common Stock under any of CMS Energy’s benefit plans for its directors, officers or employees;

·                                          as a result of a reclassification of CMS Energy’s capital stock or the exchange or conversion of one series or class of CMS Energy’s capital stock for another series or class of CMS Energy’s capital stock; and

·                                          the purchase of fractional interests in shares of CMS Energy’s capital stock pursuant to the conversion or exchange provisions of such capital stock or the security being converted or exchanged.

CMS Energy also covenants:

·                                          that for so long as Trust Preferred Securities are outstanding, not to convert the Subordinated Debt Securities except pursuant to a notice of conversion delivered to the conversion agent by a holder of Trust Preferred Securities;

·                                          to maintain directly or indirectly 100% ownership of the Common Securities, provided that certain successors that are permitted pursuant to the Subordinated Debt Indenture may succeed to CMS Energy’s ownership of the Common Securities;

·                                          not to voluntarily terminate, wind-up or liquidate such Trust, except (i) in connection with a distribution of Subordinated Debt Securities to the holders of the Trust Preferred Securities in liquidation of such Trust or (ii) in connection with certain mergers, consolidations or amalgamations permitted by the declaration of trust or other governing instrument of such Trust; and

·                                          to use its reasonable efforts, consistent with the terms and provisions of the declaration of trust or other governing instrument of such Trust, to cause such Trust to remain a statutory trust and not to be classified as an association taxable as a corporation for United States federal income tax purposes.

As part of the Guarantees, CMS Energy will agree that it will honor all obligations described therein relating to the conversion or exchange of the Trust Preferred Securities into or for CMS Energy Common Stock, Senior Debt Securities or Subordinated Debt Securities.

Conversion Rights

If the prospectus supplement so provides, the holders of CMS Energy Debt Securities may convert such CMS Energy Debt Securities into CMS Energy Common Stock at the option of the holders at the principal amount thereof, or of such portion thereof, at any time during the period specified in the prospectus supplement, at the conversion price or conversion rate specified in the prospectus supplement, except that, with respect to any CMS Energy Debt Securities (or portion thereof) called for redemption, such conversion right shall terminate at the close of business on the fifteenth day prior to the date fixed for redemption of such CMS Energy Debt Security, unless CMS Energy shall default in payment of the amount due upon redemption thereof.

The conversion price or conversion rate will be adjusted in certain events, including if CMS Energy:

·                                          pays a dividend or makes a distribution in shares of CMS Energy Common Stock;

·                                          subdivides its outstanding shares of CMS Energy Common Stock into a greater number of shares;

·                                          combines its outstanding shares of CMS Energy Common Stock into a smaller number of shares;

·                                          pays a dividend or makes a distribution on its CMS Energy Common Stock other than in shares of its CMS Energy Common Stock;

·                                          issues by reclassification of its shares of CMS Energy Common Stock any shares of its capital stock;

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·                                          issues any rights or warrants to all holders of shares of its CMS Energy Common Stock entitling them (for a period expiring within 45 days after the relevant record date, or such other period as may be specified in the prospectus supplement) to purchase shares of CMS Energy Common Stock (or Convertible Securities as defined in the CMS Energy Indentures) at a price per share less than the Average Market Price (as defined in the CMS Energy Indentures); or

·                                          distributes to all holders of shares of its CMS Energy Common Stock any assets or debt securities or any rights or warrants to purchase securities;

provided, that no adjustment shall be made under the last two bullet points above if the adjusted conversion price would be higher than, or the adjusted conversion rate would be less than, the conversion price or conversion rate, as the case may be, in effect prior to such adjustment.

CMS Energy may reduce the conversion price or increase the conversion rate, temporarily or otherwise, by any amount, but in no event shall such adjusted conversion price or conversion rate result in shares of CMS Energy Common Stock being issuable upon conversion of the CMS Energy Debt Securities if converted at the time of such adjustment at an effective conversion price per share less than the par value of the CMS Energy Common Stock at the time such adjustment is made.  No adjustments in the conversion price or conversion rate need be made unless the adjustment would require an increase or decrease of at least 1% in the initial conversion price or conversion rate.  Any adjustment that is not made shall be carried forward and taken into account in any subsequent adjustment.  The foregoing conversion provisions may be modified to the extent set forth in the prospectus supplement.

Description of Stock Purchase Contracts and Stock Purchase Units

CMS Energy may issue Stock Purchase Contracts, representing contracts obligating holders to purchase from CMS Energy, and CMS Energy to sell to the holders, a specified number of shares of CMS Energy Common Stock at a future date or dates.  The price per share of CMS Energy Common Stock may be fixed at the time the Stock Purchase Contracts are issued or may be determined by reference to a specific formula set forth in the Stock Purchase Contracts.  The Stock Purchase Contracts may be issued separately or as part of Stock Purchase Units consisting of a Stock Purchase Contract and Senior Debt Securities, Subordinated Debt Securities, Preferred Stock, Trust Preferred Securities or debt obligations of third parties, including U.S. Treasury securities, securing the holders’ obligations to purchase the CMS Energy Common Stock under the Stock Purchase Contracts.  The Stock Purchase Contracts may require CMS Energy to make periodic payments to the holders of the Stock Purchase Units or vice versa, and such payments may be unsecured or refunded on some basis.  The Stock Purchase Contracts may require holders to secure their obligations thereunder in a specified manner.

The applicable prospectus supplement will describe the terms of any Stock Purchase Contracts or Stock Purchase Units.  The description in the prospectus supplement will not purport to be complete and will be qualified in its entirety by reference to the Stock Purchase Contracts, and, if applicable, collateral arrangements and depositary arrangements, relating to such Stock Purchase Contracts or Stock Purchase Units.

THE TRUSTS

The undivided common beneficial interests in each Trust will be owned by CMS Energy.  The net proceeds received by each of the Trusts from the sale of its Trust Preferred Securities or Common Securities will be used to purchase from CMS Energy its Senior Debt Securities or Subordinated Debt Securities in an aggregate principal amount equal to the aggregate liquidation preference of the Trust Securities, bearing interest at an annual rate equal to the annual distribution rate of such Trust Securities, having certain redemption terms that correspond to the redemption terms for the Trust Securities and, to the extent that the Trust Securities are convertible, having conversion terms that correspond to the conversion terms of the Trust Securities.  The Senior Debt Securities of CMS Energy will rank on an equal basis with all other unsecured debt of CMS Energy except subordinated debt.  The Subordinated Debt Securities of CMS Energy will rank subordinate in right of payment to all of CMS Energy’s Senior Indebtedness.  Distributions on the Trust Securities may not be made unless the Trust receives corresponding interest payments on such Senior Debt Securities or Subordinated Debt Securities from CMS Energy.  CMS Energy will irrevocably guarantee, on a senior or subordinated basis, as applicable, and to the extent set forth therein, with respect to each of the Trust Securities, the payment of distributions, the redemption price, including all accrued or deferred and unpaid

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distributions, and payment on liquidation, but only to the extent that the Trust has funds on hand.  Each Guarantee of CMS Energy will be unsecured and will be either equal to or subordinate to, as applicable, all Senior Indebtedness of CMS Energy.  Upon the occurrence of certain events (subject to the conditions to be described in an accompanying prospectus supplement), the Trust may be liquidated, and the holders of the Trust Securities could receive Senior Debt Securities or Subordinated Debt Securities of CMS Energy in lieu of any liquidating cash distribution.

Pursuant to the Trust Agreement, the number of CMS Energy Trustees will initially be three.  Two of the CMS Energy Trustees will be persons who are employees or officers of or who are affiliated with CMS Energy (the “Administrative Trustees”).  The third trustee will be a financial institution that is unaffiliated with CMS Energy, which trustee will serve as property trustee under the Trust Agreement and as indenture trustee for the purposes of compliance with the provisions of the Trust Indenture Act (the “Property Trustee”).  Initially, The Bank of New York Mellon, a New York banking corporation, will be the Property Trustee, until removed or replaced by the holder of the Common Securities.  For the purpose of compliance with the provisions of the Trust Indenture Act, The Bank of New York Mellon will also act as trustee (a “Guarantee Trustee”).  BNY Mellon Trust of Delaware will act as the “Delaware Trustee” for the purposes of the Delaware Statutory Trust Act, until removed or replaced by the holder of the Common Securities.  See “Effect of Obligations Under the CMS Energy Debt Securities and the Guarantees—The CMS Energy Guarantees” below.

The Property Trustee will hold title to the applicable CMS Energy Debt Securities for the benefit of the holders of the Trust Securities, and the Property Trustee will have the power to exercise all rights, powers and privileges under the applicable CMS Energy Indenture as the holder of the CMS Energy Debt Securities.  In addition, the Property Trustee will maintain exclusive control of a segregated non-interest-bearing bank account (the “Property Account”) to hold all payments made in respect of the CMS Energy Debt Securities for the benefit of the holders of the Trust Securities.  The Property Trustee will make payments of distributions and payments on liquidation, redemption and otherwise to the holders of the Trust Securities out of funds from the Property Account.  The Guarantee Trustee will hold the Guarantees of CMS Energy for the benefit of the holders of the Trust Securities.  CMS Energy, as the direct or indirect holder of all of the Common Securities, will have the right to appoint, remove or replace any CMS Energy Trustee and to increase or decrease the number of CMS Energy Trustees; provided, that the number of CMS Energy Trustees shall be at least three, a majority of which shall be Administrative Trustees.  CMS Energy will pay all fees and expenses related to the Trusts and the offering of the Trust Securities.

The rights of the holders of the Trust Preferred Securities, including economic rights, rights to information and voting rights, are set forth in the Trust Agreement, the Delaware Statutory Trust Act and the Trust Indenture Act.