Document:

EX-4.4

 Exhibit 4.4 

Execution Version 

QUANTA SERVICES, INC., 
 as
Issuer 
 and 
 U.S. BANK
NATIONAL ASSOCIATION, 
 as Trustee 

FOURTH SUPPLEMENTAL INDENTURE 

Dated as of September 23, 2021 

Supplemental to Indenture dated as of September 22, 2020 

 FOURTH SUPPLEMENTAL INDENTURE dated as of September 23, 2021 (this “Fourth
Supplemental Indenture”), made and entered into by and between Quanta Services, Inc., a Delaware corporation, having its principal office at 2800 Post Oak Blvd., Suite 2600, Houston, Texas 77056 (the “Company”), and U.S.
Bank National Association, a national banking association, as Trustee (the “Trustee”) under the indenture of the Company dated as of September 22, 2020 (the “Indenture”). 

WHEREAS, the Indenture provides for the issuance from time to time of Debt Securities, issuable for the purposes and subject to the
limitations contained in the Indenture; and 
 WHEREAS, Section 9.01(j) of the Indenture also provides that the Company and the Trustee
may enter into one or more indentures supplemental to the Indenture without the consent of any Holder to provide for the form or terms of Debt Securities of any series as permitted by Sections 2.01 and 2.03 of the Indenture; and 

WHEREAS, the Company has duly authorized the creation of a series of its Debt Securities denominated its “3.050% Senior Notes due
2041” in the initial aggregate principal amount of $500,000,000 (the “Notes”); and 
 WHEREAS, the entry into this
Fourth Supplemental Indenture by the parties hereto is in all respects authorized by the provisions of the Indenture; and 
 WHEREAS, the
Company has duly authorized the execution and delivery of this Fourth Supplemental Indenture, and all things necessary have been done to make the Notes, when executed by the Company and authenticated and delivered hereunder and duly issued by the
Company, the valid obligations of the Company, and to make this Fourth Supplemental Indenture a valid agreement of the Company, in accordance with their and its terms; and 

WHEREAS, the Company desires the Trustee to join with it in the execution and delivery of this Fourth Supplemental Indenture, and in
accordance with Section 2.05, Section 9.03 and Section 12.05 of the Indenture, the Company has duly adopted and delivered to the Trustee, resolutions of its Board of Directors authorizing the execution delivery of this Fourth
Supplemental Indenture, and has delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel stating that the execution of this Fourth Supplemental Indenture complies with Article IX of the Indenture and that all conditions
precedent to its execution have been complied with, and the Indenture and this Fourth Supplemental Indenture are valid and binding upon the Company and enforceable in accordance with their terms; 

NOW, THEREFORE: 
 For and in
consideration of the premises and purchase of the Debt Securities of any series issued on or after the date hereof by the Holders thereof, it is mutually covenanted and agreed, for the equal and proportionate benefit of all Holders of the Debt
Securities of any such series, as follows: 
 ARTICLE I 

CERTAIN PROVISIONS OF GENERAL APPLICATION 

SECTION 1.01    Definitions. 

For all purposes of the Indenture and this Fourth Supplemental Indenture, except as otherwise expressly provided or unless the context
otherwise requires: 
 (1)    the terms defined in this Article I have the meanings assigned to them in
this Article I; 

 (2)    the words “herein,” “hereof”
and “hereunder” and other words of similar import refer to the Indenture and this Fourth Supplemental Indenture as a whole and not to any particular Article, Section or other subdivision; and 

(3)    capitalized terms used but not defined herein are used as they are defined in the Indenture. 

“Alternate Offer” has the meaning set forth in Section 2.03(d) hereof. 

“Attributable Indebtedness” with respect to a Sale/Leaseback Transaction means, as of the time of determination, (i) if
the obligation with respect to such Sale/Leaseback Transaction is a Finance Lease Obligation, the amount of such obligation determined in accordance with GAAP and included in the financial statements of the lessee or (ii) if the obligation with
respect to such Sale/Leaseback Transaction is not a Finance Lease Obligation, the total Net Amount of Rent required to be paid by the lessee under such lease during the remaining term thereof (including any period for which the lease has been
extended), discounted from the respective due dates thereof to such determination date at the rate per annum borne by the Notes compounded semi-annually. 

“Blattner Acquisition” means the merger of Quanta Merger Sub, LLC with and into Blattner Holding Company with Blattner
Holding Company surviving the merger as the Company’s wholly-owned subsidiary pursuant to the Merger Agreement. 
 “Captive
Insurance Subsidiary” means any Subsidiary of the Company that is subject to regulation as an insurance company (or any Subsidiary thereof). 

“Change of Control” means the occurrence of any of the following after the date of issuance of the Notes: 

1.    the direct or indirect sale, transfer, conveyance or other disposition (other than by way of merger
or consolidation), in one or a series of related transactions, of all or substantially all of the properties or assets of the Company and its Subsidiaries, taken as a whole, to any “person” (as that term is used in Section 13(d)(3) of
the Exchange Act) other than to the Company or any of its Subsidiaries, other than any such transaction or series of related transactions where holders of the Company’s Voting Stock outstanding immediately prior thereto hold Voting Stock of the
transferee Person representing a majority of the voting power of the transferee Person’s Voting Stock immediately after giving effect thereto; 

2.    the consummation of any transaction the result of which is that a “person” or
“group” (as those terms are used in Section 13(d)(3) of the Exchange Act, but excluding any employee benefit plan of such person or its subsidiaries, and any person or entity acting in its capacity as trustee, agent or other fiduciary
or administrator of any such plan) becomes the ultimate “beneficial owner” (as defined in Rule 13d-3 under the Exchange Act) of more than 50% of the total voting power of the Voting Stock of the
Company on a fully diluted basis; 
 3.    the adoption by the Company’s stockholders of a plan
relating to the liquidation or dissolution of the Company; or 

  
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 4.    the Company consolidates with, or merges with or
into, any Person, or any Person consolidates with, or merges with or into the Company, in any such event pursuant to a transaction in which any of the outstanding Voting Stock of the Company or such other Person is converted into or exchanged for
cash, securities or other property, other than any such transaction where (A) the Voting Stock of the Company outstanding immediately prior to such transaction constitutes, or is converted into or exchanged for, Voting Stock of the surviving or
transferee Person (or its parent) constituting a majority of the outstanding shares of such Voting Stock of such surviving or transferee Person (or its parent) (immediately after giving effect to such issuance) and (B) immediately after such
transaction, no “person” or “group” (as those terms are used in Section 13(d)(3) of the Exchange Act, but excluding any employee benefit plan of such person or its subsidiaries, and any person or entity acting in its
capacity as trustee, agent or other fiduciary or administrator of any such plan) becomes, directly or indirectly, the “beneficial owner” (as defined in Rule 13d-3 under the Exchange Act) of more than
50% of the voting power of the Voting Stock of the surviving or transferee Person. 
 Notwithstanding the foregoing, a transaction will not
be deemed to involve a Change of Control solely because the Company shall become a direct or indirect wholly-owned subsidiary of a holding company or other Person if the direct or indirect holders of the Voting Stock of such holding company or other
Person immediately following that transaction are substantially the same as the holders of the Company’s Voting Stock immediately prior to that transaction. 

“Change of Control Offer” has the meaning set forth in Section 2.03(a) hereof. 

“Change of Control Payment” has the meaning set forth in Section 2.03(a) hereof. 

“Change of Control Payment Date” has the meaning set forth in Section 2.03(b) hereof. 

“Change of Control Triggering Event” means (i) the rating of the Notes by both Rating Agencies is lowered at any time
during the period (the “Trigger Period”) commencing on the earlier of (a) the occurrence of a Change of Control and (b) the first public announcement by the Company of any Change of Control (or pending Change of Control),
and ending 60 days following consummation of such Change of Control (which Trigger Period will be extended following consummation of a Change of Control for so long as either Rating Agency has publicly announced that it is considering a possible
ratings downgrade), and (ii) the Notes are rated below Investment Grade by both Rating Agencies on any day during the Trigger Period. 

Notwithstanding the foregoing, no Change of Control Triggering Event will be deemed to have occurred in connection with any particular Change
of Control unless and until such Change of Control has actually been consummated. 
 “Comparable Treasury Issue” means the
United States Treasury security selected by an Independent Investment Banker as having a maturity comparable to the remaining term of the Notes to be redeemed that would be utilized (assuming for this purpose that the Notes matured on the Par Call
Date), at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of such Notes. 

“Comparable Treasury Price” means, with respect to any redemption date, (i) the average of the Reference Treasury Dealer
Quotations, after excluding the highest and lowest of such Reference Treasury Dealer Quotations, or (ii) if the Company obtains fewer than four such Reference Treasury Dealer Quotations, the average of all such Reference Treasury Dealer
Quotations. 

  
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 “Consolidated Net Tangible Assets” means, as of any date of determination,
the sum of the amounts that would appear on a consolidated balance sheet of the Company and its Subsidiaries for the total assets (less accumulated depletion, depreciation and amortization, allowances for doubtful receivables, other applicable
reserves and other properly deductible items) of the Company and its Subsidiaries, determined on a consolidated basis in accordance with GAAP, after giving effect to purchase accounting and after deducting therefrom, to the extent included in total
assets, in each case as determined on a consolidated basis in accordance with GAAP (without duplication): (i) the aggregate amount of liabilities of the Company and its Subsidiaries that may properly be classified as current liabilities (including
taxes accrued as estimated) (excluding the amount of those which are by their terms extendable or renewable at the option of the obligor to a date more than twelve months after the date as of which the amount is being determined); (ii) current
Indebtedness and current maturities of long-term Indebtedness; (iii) minority interests in the Company’s Subsidiaries held by Persons other than the Company or a wholly-owned Subsidiary of the Company; and (iv) 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. 

“Event of Default” has the meaning set forth in Section 3.01 hereof. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended. 

“Finance Lease Obligation” means an obligation that is required to be accounted for as a finance lease (and, for the
avoidance of doubt, not an operating lease) on both the balance sheet and income statement for financial reporting purposes in accordance with GAAP. At the time any determination thereof is to be made, the amount of the liability in respect of a
finance lease would be the amount required to be reflected as a liability on such balance sheet (excluding the footnotes thereto) in accordance with GAAP. 

“Fund Entity” means any Subsidiary of the Company, 100% of whose capital stock is at the time owned by the Company directly
or indirectly through other Persons 100% of whose capital stock is at the time owned, directly or indirectly, by the Company (other than, in the case of any Subsidiary that is not organized or existing under the laws of the United States, any state
of the United States or the District of Columbia, with respect to any directors’ qualifying shares), which does not act other than either (a) solely as the general partner of one or more of the Company’s Investment Funds or
(b) solely for the purpose of being a registered investment adviser for any of such Investment Funds, whether directly or indirectly through the general partner of such Investment Fund. 

“Indebtedness” has the meaning set forth in Section 2.04 hereof. 

“Independent Investment Banker” means one of the Reference Treasury Dealers appointed by the Company. 

“Investment Fund” means any foreign or domestic limited partnership, limited liability company or other investment vehicle
with respect to which a Fund Entity acts as a general partner and/or its registered investment adviser, whether directly or indirectly through the general partner of such Investment Fund, and in which the Company and/or one or more of its
Subsidiaries holds no more than a minority equity interest. 
 “Investment Grade” means a rating of Baa3 or better by
Moody’s (or its equivalent under any successor rating category of Moody’s), a rating of BBB- or better by S&P (or its equivalent under any successor rating category of S&P) and the equivalent
investment grade credit rating from any replacement rating agency or rating agencies selected by the Company under the circumstances permitting the Company to select a replacement agency and in the manner for selecting a replacement agency, in each
case as set forth in the definition of “Rating Agencies.” 

  
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 “issuing banks” has the meaning set forth in Section 2.04 hereof. 

“Merger Agreement” means that certain Agreement and Plan of Merger, dated September 1, 2021, by and among the Company,
Blattner Holding Company and Quanta Merger Sub, LLC. 
 “Moody’s” means Moody’s Investors Service, Inc., and any
successor to its rating agency business. 
 “Net Amount of Rent” as to any lease for any period means the aggregate amount
of rent payable by the lessee with respect to such period after excluding amounts required to be paid on account of maintenance and repairs, insurance, taxes, assessments, water rates and similar charges. In the case of any lease that is terminable
by the lessee upon the payment of a penalty, such net amount shall also include the amount of such penalty, but no rent shall be considered as payable under such lease subsequent to the first date upon which it may be so terminated. 

“Par Call Date” has the meaning set forth in Section 2.02(b) hereof. 

“Principal Property” means any manufacturing plant or other similar facility (including Production Machinery and Equipment
located thereon), corporate office, equipment yard, maintenance facility, training facility or warehouse owned by the Company or any Subsidiary, which is located within the United States (excluding its territories and possessions), in each case
having a net book value in excess of 1% of Consolidated Net Tangible Assets other than (i) any such plant, facility or property which the Company’s Board of Directors determines in good faith is not of material importance to the total
business conducted, or assets owned, by the Company and its Subsidiaries as an entirety or (ii) any portion of any such plant, facility or property which the Company’s Board of Directors determines in good faith not to be of material
importance to the use or operation thereof. 
 “Production Machinery and Equipment” means production machinery and
equipment in such Principal Property used directly in the production of the Company’s or any Subsidiary’s products. 

“Rating Agencies” means Moody’s and S&P; provided that if any of Moody’s or S&P ceases to rate the
Notes or fails to make a rating of the Notes publicly available for reasons outside of the Company’s control, the Company may appoint another “nationally recognized statistical rating organization” within the meaning of
Section 3(a)(62) of the Exchange Act as a replacement for such Rating Agency. 
 “Reference Treasury Dealer” means
(1) each of BofA Securities, Inc. and Wells Fargo Securities, LLC, and their respective successors; provided, however, that if any of the foregoing shall cease to be a primary U.S. Government securities dealer in New York City (a
“Primary Treasury Dealer”), the Company shall substitute therefor another Primary Treasury Dealer and (2) any two other nationally recognized investment banking firms that are Primary Treasury Dealers specified from time to
time by the Company. 
 “Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and
any redemption date, the average, as determined by the Company, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the Company by such Reference
Treasury Dealer at 5:00 p.m. New York City time on the third Business Day preceding such redemption date. 

  
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 “Remaining Scheduled Payments” means, with respect to any Note, the
remaining scheduled payments of the principal thereof to be redeemed and interest thereon that would be due after the related redemption date but for such redemption (assuming for this purpose that the Notes mature on the Par Call Date);
provided, however, that, if such redemption date is not an interest payment date with respect to such Notes, the amount of the next succeeding scheduled interest payment thereon will be reduced by the amount of interest accrued thereon
to such redemption date. 
 “Restricted Subsidiary” means any Subsidiary of the Company (other than any Fund Entity or
Captive Insurance Subsidiary), substantially all of the assets of which are located in the United States (excluding its territories and possessions) that at the time, directly or indirectly, through one or more Subsidiaries or in combination with
one or more other Subsidiaries or the Company, owns a Principal Property; provided, however, that any Subsidiary that transacts any substantial portion of its business and regularly maintains any substantial portion of its fixed assets outside of
the United States (excluding its territories and possessions) shall not be deemed to be a “Restricted Subsidiary.” 

“S&P” means S&P Global Ratings, a division of S&P Global Inc., and any successor to its rating agency business.

 “Sale/Leaseback Transaction” means an arrangement relating to property owned on the date of issuance of the Notes or
thereafter acquired whereby the Company or any of its Restricted Subsidiaries transfers such property to a Person and the Company or any of its Restricted Subsidiaries leases it from such Person other than (1) leases for a term, including
renewals at the option of the lessee, of not more than five years, (2) leases between the Company and a Subsidiary or between Subsidiaries and (3) leases of a property executed by the time of, or within twelve months after the latest of,
the acquisition, the completion of construction or improvement, or the commencement of commercial operation of such property. 

“Special Mandatory Redemption” has the meaning set forth in Section 2.06 hereof. 

“Special Mandatory Redemption Date” has the meaning set forth in Section 2.06 hereof. 

“Special Mandatory Redemption Event” has the meaning set forth in Section 2.06 hereof. 

“Special Mandatory Redemption Notice” has the meaning set forth in Section 2.06 hereof. 

“Special Mandatory Redemption Price” has the meaning set forth in Section 2.06 hereof. 

“Treasury Rate” means, with respect to any redemption date for the Notes, the rate per annum equal to the semiannual
equivalent yield to maturity of the Comparable Treasury Issue (assuming for this purpose that the Notes matured on the Par Call Date), assuming a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to
the Comparable Treasury Price for such redemption date. 
 “Voting Stock” of any specified Person as of any date means the
capital stock of such Person that is at the time entitled to vote generally in the election of the board of directors of such Person. 

SECTION 1.02    Effect of Headings. 

The Article and Section headings herein are for convenience only and shall not affect the construction hereof. 

  
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 SECTION 1.03    Successors and Assigns. 

All covenants and agreements in this Fourth Supplemental Indenture by the Company shall bind its successors and assigns, whether so expressed
or not. 
 SECTION 1.04    Separability. 

In case any provision in this Fourth Supplemental Indenture or the Notes shall be invalid, illegal or unenforceable, the validity, legality and
enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 
 SECTION
1.05    Conflict with Trust Indenture Act. 
 If and to the extent that any provision hereof limits, qualifies or
conflicts with another provision hereof which is required to be included in this Fourth Supplemental Indenture by any of the provisions of the Trust Indenture Act, such required provision shall control. 

SECTION 1.06    Benefits of Fourth Supplemental Indenture. 

Nothing in this Fourth Supplemental Indenture, expressed or implied, shall give to any Person, other than the parties hereto and their
successors hereunder, and the Holders of the Notes any benefit or any legal or equitable right, remedy or claim under this Fourth Supplemental Indenture. 

SECTION 1.07    Amendments Applicable Only to Notes. 

The amendments contained in this Fourth Supplemental Indenture shall apply to the Notes only and not to any other series of Debt Securities
issued under the Indenture, and any covenants provided herein are expressly being included solely for the benefit of the Notes and not for the benefit of any other series of Debt Securities issued under the Indenture. These amendments shall be
effective for so long as there remain any Notes Outstanding. 
 SECTION 1.08    Governing Law. 

THIS FOURTH SUPPLEMENTAL INDENTURE AND THE NOTES SHALL BE DEEMED TO BE A CONTRACT MADE UNDER THE LAWS OF THE STATE OF NEW YORK AND THIS FOURTH
SUPPLEMENTAL INDENTURE AND EACH SUCH NOTE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 

ARTICLE II 
 THE NOTES

 SECTION 2.01    Title and Terms. 

There are hereby created under the Indenture a series of Debt Securities known and designated as the “3.050% Senior Notes due 2041”
of the Company. The aggregate principal amount of Notes that may be authenticated and delivered under this Fourth Supplemental Indenture is initially limited to $500,000,000, except for Notes authenticated and delivered upon reregistration of,
transfer of, or in exchange for, or in lieu of, other Notes pursuant to Sections 2.07, 2.08, 2.09 or 9.04 of the Indenture. 

  
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 The Company may without notice to or the consent of the Holders of the Notes, issue in
separate offerings additional notes having the same ranking, interest rate, maturity and other terms as the Notes (other than the date of issuance and, under certain circumstances, the first interest payment date following the issue date of such
additional notes). Any such additional notes, together with the Notes, will form a single series of Debt Securities under the Indenture. 

The Stated Maturity shall be October 1, 2041 for payment of principal of the Notes. The Notes shall bear interest at the rate of 3.050%
per annum, from September 23, 2021 or the most recent interest payment date to which interest has been paid or duly provided for, payable semi-annually in arrears on April 1 and October 1 of each year (commencing April 1, 2022),
to the Persons in whose names the Notes are registered at the close of business on March 15 or September 15, as the case may be, next preceding such interest payment date, until principal thereof is paid or made available for payment. 

The Notes shall be initially issued in the form of one or more Global Securities and the depositary for the Notes shall be The Depository
Trust Company, New York, New York. 
 The Notes shall not be subject to any sinking fund. 

The Notes shall be in registered form without coupons and shall be issuable in denominations of $2,000 and integral multiples of $1,000 in
excess thereof. 
 The form of the Notes attached hereto as Exhibit A is hereby adopted, pursuant to Section 9.01(j) of the Indenture,
as the form of Debt Securities that consist of the Notes. 
 SECTION 2.02    Optional Redemption. 

(a)    The provisions of Article III of the Indenture, as amended by the provisions of this Fourth Supplemental Indenture,
shall apply to the Notes. 
 (b)    The Notes are subject to redemption upon notice mailed or sent at least 10 days but
not more than 60 days prior to the redemption date to each Registered Holder. On or after April 1, 2041 (the “Par Call Date”), the Notes will be redeemable, as a whole or from time to time in part, at the option of the Company
at any time, at a redemption price equal to 100% of the principal amount of the Notes to be redeemed, plus accrued and unpaid interest, if any, thereon to (but excluding) the date of the redemption. Prior to the Par Call Date, the Notes may be
redeemed, at any time as a whole or from time to time in part, at the option of the Company, at a redemption price equal to the greater of: 

(i)    100% of the principal amount of the Notes to be redeemed; and 

(ii)    the sum of the present values of the Remaining Scheduled Payments thereon that would be due if the
Notes matured on the Par Call Date, discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury
Rate plus 20 basis points, 
 plus, in either case, accrued and unpaid interest, if any, on the principal amount being redeemed to
(but excluding) the date of redemption. 
 If the Company redeems less than all the Notes, the Trustee shall select the Notes to be
redeemed, in the case of the Notes in the form of a Global Security, in accordance with the Depositary’s Applicable Procedures, and in the case of any Notes in definitive form, by such method as the Trustee shall select, in such manner as in
its sole discretion it shall deem appropriate and fair. The Trustee may select for partial redemption Notes and portions of Notes in amounts equal to $2,000 or any integral multiple of $1,000 in excess thereof. 

  
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 Unless the Company defaults in payment of the redemption price, on and after the applicable
redemption date, interest will cease to accrue on the Notes or portions thereof called for redemption. 
 SECTION
2.03    Purchase upon a Change of Control Triggering Event. 
 (a)    Upon the occurrence of a
Change of Control Triggering Event, unless the Company has exercised its right to redeem the Notes in full by giving irrevocable notice to the Trustee in accordance with the Indenture, each Holder of the Notes will have the right to require the
Company to purchase all or a portion (equal to $2,000 or whole multiples of $1,000 in excess thereof) of such Holder’s Notes pursuant to the offer described below (the “Change of Control Offer”) at a purchase price equal to
101% of the principal amount thereof plus accrued and unpaid interest, if any, to (but excluding) the date of purchase (the “Change of Control Payment”), subject to the rights of Holders of the Notes on the relevant record date to
receive interest due on the relevant interest payment date. If the Change of Control Payment Date (as defined below) falls on a day that is not a Business Day, the related payment of the Change of Control Payment will be made on the next Business
Day as if it were made on the date such payment was due, and no interest will accrue on the amounts so payable for the period from and after such date to the next Business Day. 

(b)    Unless the Company has exercised its right to redeem such Notes, within 30 days following the date upon which the
Change of Control Triggering Event occurred or, at the Company’s option, prior to any Change of Control but after the public announcement of the pending Change of Control, the Company will be required to send, by first class mail (or with
respect to any Global Security, to the extent permitted or required by the Depositary’s Applicable Procedures, send electronically) a notice to each Holder of such Notes, with a copy to the Trustee, which notice will govern the terms of the
Change of Control Offer. The notice will state, among other things, the purchase date, which, other than as may be required by applicable law, must be no earlier than 10 days nor later than 60 days after the date the notice is mailed or sent (or, in
the case of a notice mailed or sent prior to the date of consummation of a Change of Control, no earlier than the date of the occurrence of the Change of Control), other than as may be required by law (the “Change of Control Payment
Date”). The notice, if mailed or sent prior to the date of consummation of the Change of Control, will state that the Change of Control Offer is conditioned on the Change of Control being consummated on or prior to the Change of Control
Payment Date. 
 (c)    On the Change of Control Payment Date, the Company will, to the extent lawful: 

(i)    accept or cause a third party to accept for payment all Notes or portions of Notes properly tendered
pursuant to the Change of Control Offer; 
 (ii)    deposit or cause a third party to deposit with the
paying agent an amount equal to the Change of Control Payment in respect of all Notes or portions of Notes properly tendered; and 

(iii)    deliver or cause to be delivered to the Trustee the Notes properly accepted together with an
Officers’ Certificate or statement signed by an Officer of the Company, which need not constitute an Officers’ Certificate, stating the aggregate principal amount of Notes or portions of Notes being purchased. 

(d)    The Company will not be required to make a Change of Control Offer with respect to the Notes if (i) a third
party makes such an offer in the manner, at the times and otherwise in compliance with 

  
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the requirements for such an offer made by the Company and such third party purchases all the Notes properly tendered and not withdrawn under its offer, (ii) a notice of redemption has been
given to the Holders of all of the Notes in accordance with the terms of the Indenture, unless and until there is a default in payment of the redemption price, or (iii) in connection with or in contemplation of any Change of Control, the
Company has made an offer to purchase (an “Alternate Offer”) any and all Notes validly tendered at a cash price equal to or higher than the Change of Control Payment and has purchased all Notes properly tendered in accordance with
the terms of such Alternate Offer. 
 (e)    The Company will comply in all material respects with the requirements of
Rule 14e-1 under the Exchange Act, and any other securities laws and regulations thereunder to the extent those laws and regulations are applicable in connection with the purchase of the Notes as a result of a
Change of Control Triggering Event. To the extent that the provisions of any such securities laws or regulations conflict with the Change of Control Offer provisions of the Notes or the Indenture, the Company will comply with those securities laws
and regulations and will not be deemed to have breached its obligations under this Section 2.03 by virtue of any such conflict. 

SECTION 2.04    Limitation on Liens. 

Except as provided below, the Company shall not, and shall not permit any of its Restricted Subsidiaries to, directly or indirectly, create,
incur, issue, assume, guarantee or permit to exist any indebtedness for borrowed money (“Indebtedness”) secured by a Lien on any Principal Property or any shares of stock of or any Indebtedness of any Restricted Subsidiary, whether
owned on the date of issuance of the Notes or thereafter acquired, unless the Company substantially contemporaneously secures the Notes equally and ratably with (or prior to) such Indebtedness until such time as such Indebtedness is no longer
secured by a Lien on any Principal Property or any shares of stock of or any Indebtedness of any Restricted Subsidiary, except that the foregoing restrictions shall not apply to Indebtedness secured by: 

1.    Liens on any property, shares of stock or Indebtedness of any Person existing at the time such Person
becomes a Restricted Subsidiary; 
 2.    Liens on any property, shares of stock or Indebtedness existing
at the time of acquisition of such property, stock or Indebtedness by the Company or a Restricted Subsidiary; 

3.    Liens to secure (a) the payment of all or any part of the price of acquisition, construction,
alteration, expansion, repair or improvement of property, assets or stock by the Company or a Restricted Subsidiary or (b) any Indebtedness incurred by the Company or a Restricted Subsidiary prior to, at the time of or within one year after the
later of the acquisition or completion of construction, alteration, expansion, repair or improvement of such property (including any improvements on an existing property), which Indebtedness is incurred for the purpose of financing all or any part
of the purchase price thereof or construction, alteration, expansion, repair or improvements thereon; provided, however, that, in the case of any such acquisition, construction, alteration, expansion, repair or improvement, the Lien
shall not apply to any property theretofore owned by the Company or a Restricted Subsidiary, other than, in the case of any such construction, alteration, expansion, repair or improvement, any theretofore substantially unimproved real property on
which the property or improvement so constructed is located; 
 4.    Liens securing Indebtedness of the
Company or a Restricted Subsidiary owing to the Company, a Restricted Subsidiary or a wholly-owned Subsidiary; 

  
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 5.    Liens on property of a Person existing at the time
such Person is merged into or consolidated with the Company or a Restricted Subsidiary or at the time of a sale, lease or other disposition of the properties of a Person as an entirety or substantially as an entirety to the Company or a Restricted
Subsidiary; 
 6.    Liens on property of the Company or a Restricted Subsidiary in favor of the United
States or any state thereof, or any department, agency or instrumentality or political subdivision of the United States or any state thereof, or in favor of any other country or any political subdivision thereof, or any department, agency or
instrumentality of such country or political subdivision, to secure partial, progress, advance or other payments or performance pursuant to any contract or statute or to secure any Indebtedness incurred for the purpose of financing all or any part
of the purchase price or the cost of construction of the property subject to such Liens; 
 7.    Liens
existing as of, or provided for under the terms of agreements existing as of, the date of this Fourth Supplemental Indenture; 

8.    Liens resulting from the deposit of funds or evidences of Indebtedness in trust for the purpose of
defeasing Indebtedness of the Company or any of its Restricted Subsidiaries; 
 9.    Liens to banks
arising from the issuance of letters of credit issued by such banks (“issuing banks”) which constitute borrowed money on the following: (a) any and all shipping documents, warehouse receipts, policies or certificates of
insurance and other documents accompanying or relative to drafts drawn under any credit, and any draft drawn thereunder (whether or not such documents, goods or other property be released to or upon the order of the Company or any Subsidiary under a
security agreement or trust or bailee receipt or otherwise), and the proceeds of each and all of the foregoing; (b) the balance of every deposit account, now or at the time hereafter existing, of the Company or any Subsidiary with the issuing
banks, and any other claims of the Company or any Subsidiary against the issuing banks; and all property claims and demands and all rights and interests therein of the Company or any Subsidiary and all evidences thereof and all proceeds thereof
which have been or at any time will be delivered to or otherwise come into the issuing bank’s possession, custody or control, or into the possession, custody or control of any bailee for the issuing bank or of any of its agents or
correspondents for the account of the issuing bank, for any purpose, whether or not for the express purpose of being used by the issuing bank as collateral security or for the safekeeping or for any other or different purpose, the issuing bank being
deemed to have possession or control of all of such property actually in transit to or from or set apart for the issuing bank, any bailee for the issuing bank or any of its correspondents acting in its behalf, it being understood that the receipt at
any time by the issuing bank, or any of its bailees, agents or correspondents, or other security, of whatever nature, including cash, will not be deemed a waiver of any of the issuing bank’s rights or powers hereunder; (c) all property
shipped under or pursuant to or in connection with any credit or drafts drawn thereunder or in any way related thereto, and all proceeds thereof; or (d) all additions to and substitutions for any of the property enumerated above in this
subsection; 
 10.    Any extension, renewal or replacement (or successive extensions, renewals or
replacements) in whole or in part of any Liens referred to in clauses (1) through (9) above; provided, however, that the principal amount of Indebtedness so secured shall not exceed the principal amount of Indebtedness so secured
at the time of such extension, renewal or replacement or, if greater, the committed amount of Indebtedness originally secured by such Liens (plus, in each case, the aggregate amount of premiums, other payments, costs and expenses related to any
refinancing, refunding, extension, renewal or replacement of such Indebtedness) 

  
 -11- 

 
and that such extension, renewal or replacement shall be limited to all or a part of the property which secured the Liens so extended, renewed or replaced (plus improvements and construction on
such property); 
 11.    Liens securing the payment of taxes, special assessments, governmental charges
or claims which are not overdue for a period of more than sixty days or the validity of which is being contested by the Person being charged in good faith by appropriate proceedings, and as to which it has set aside on its books adequate reserves to
the extent required by GAAP; 
 12.    deposits, pledges or Liens on or securing property or shares of
stock under workers’ compensation, unemployment insurance and social security laws or similar obligations, or to secure the performance of bids, tenders, contracts (other than for the repayment of borrowed money), leases, bankers’
acceptances or completion guarantees, or to secure statutory or regulatory obligations or surety or appeal bonds and related indemnification obligations in respect thereof, government contracts, performance and return-of-money bonds and other obligations of a similar nature, or to secure indemnity, performance or other similar bonds in the ordinary course of business; 

13.    any attachment Lien being contested in good faith and by proceedings promptly initiated and
diligently conducted, unless the attachment giving rise thereto will not, within sixty days after the entry thereof, have been discharged or fully bonded or will not have been discharged within sixty days after the termination of any such bond; 

14.    any judgment Lien or Lien securing or arising from the rendering of a decree, attachment, award or
order unless (i) the judgment it secures will not, within sixty days after the entry thereof, have been discharged or execution thereof stayed pending appeal, or will not have been discharged within sixty days after the expiration of any such
stay or (ii) the judgment it secures results in an Event of Default; 
 15.    easements, rights-of-way, zoning restrictions, servitudes, encroachments, title defects or other irregularities, and servicing agreements, development agreements, site plan agreements,
subdivision agreements, facilities sharing agreements, cost sharing agreements and other agreements, and other restrictions, charges or encumbrances not materially interfering with the ordinary conduct of the business; 

16.    any statutory or governmental Lien or a Lien arising by operation of law, or any mechanics’,
repairmen’s, materialmen’s, supplier’s, carrier’s, landlord’s, warehousemen’s, construction contractor’s or similar Lien or pursuant to customary reservations or retentions of title in each case for sums not yet
overdue for a period of more than sixty days or that are bonded or being contested in good faith by appropriate proceedings and any undetermined Lien that is incidental to construction, development, improvement or repair; 

17.    leases or subleases granted to others that do not materially interfere with the ordinary course of
business of the Company and its Subsidiaries, taken as a whole, and any Lien of a lessor in the property subject to any operating lease or short-term rental; 

18.    Liens encumbering property or assets under construction or arising from progress or partial payments
by a third party relating to such property or assets; 

  
 -12- 

 19.    Liens arising from filing Uniform Commercial Code
financing statements (or equivalent filings, registrations or agreements in foreign jurisdictions) regarding operating leases or short-term rentals; 

20.    Liens encumbering customary initial deposits and margin deposits, and other Liens that are within
the general parameters customary in the industry and incurred in the ordinary course of business, in each case, securing Indebtedness under interest rate agreements, currency agreements or commodity agreements designed to protect the Company or any
of its Subsidiaries from fluctuations in interest rates, currencies or the price of commodities; 

21.    Liens on or sales of receivables; 

22.    Liens in favor of governmental bodies to secure advance or progress payments pursuant to any
contract or statute and Liens in favor of governmental bodies in connection with industrial revenue, pollution control, private activity bonds or similar financing; 

23.    restrictions on dispositions of property, assets or stock to be disposed of pursuant to merger
agreements, stock or asset purchase agreements and similar agreements, Liens on cash earnest money deposits made in connection with any letter of intent or purchase agreement and customary options, put and call arrangements, rights of first refusal
and similar rights relating to investments in joint ventures and partnerships; 
 24.    Liens of sellers
of goods arising under Article 2 of the Uniform Commercial Code or similar provisions of applicable law in the ordinary course of business, covering only the goods sold and securing only the unpaid purchase price for such goods and related expenses;

 25.    Liens on machinery and equipment in favor of contract counterparties arising under contracts
entered into in the ordinary course of business, provided that such Liens secure only future performance; or 

26.    any Lien securing Indebtedness of a Person which is a Successor Company to the Company to the extent
permitted by Section 10.01 of the Indenture. 
 Notwithstanding the foregoing, the Company and its Restricted Subsidiaries may, without
securing the Notes, create, incur, issue, assume, guarantee or permit to exist any Indebtedness secured by a Lien, other than those permitted pursuant to clauses (1) through (26) above, if, immediately after giving pro forma effect to the
Incurrence of such Indebtedness (and the receipt and application of the proceeds thereof) or the securing of outstanding Indebtedness, the sum of (without duplication) (i) all Indebtedness of the Company and its Restricted Subsidiaries secured
by Liens (other than those Liens permitted pursuant to clauses (1) through (26) above) and (ii) all Attributable Indebtedness in respect of Sale/Leaseback Transactions with respect to any Principal Property, at the time of determination,
does not exceed 15% of Consolidated Net Tangible Assets. 
 SECTION 2.05    Limitation on Sale/Leaseback
Transactions. 
 The Company shall not, and shall not permit any of its Restricted Subsidiaries to, enter into any Sale/Leaseback
Transaction with respect to any Principal Property, unless (i) the Company or such Restricted Subsidiary would be entitled to create a Lien on such Principal Property securing Indebtedness in an amount equal to the Attributable Indebtedness
with respect to such Sale/Leaseback Transaction without securing the Notes pursuant to Section 2.04 hereof or (ii) the Company, within twelve months from the effective date of such Sale/Leaseback Transaction, applies to (x) the
voluntary defeasance or 

  
 -13- 

 
retirement (excluding retirements of Notes and other Indebtedness ranking pari passu with the Notes as a result of conversions, pursuant to mandatory sinking funds or mandatory prepayment
provisions or by payment at maturity) of Notes or other Indebtedness ranking pari passu with the Notes, (y) the acquisition, construction, development or improvement of any Principal Property used or useful in the businesses of the
Company or its Subsidiaries or (z) any combination of the foregoing, an amount equal to the Attributable Indebtedness with respect to such Sale/Leaseback Transaction. 

SECTION 2.06    Special Mandatory Redemption. 

In the event that (x) the Blattner Acquisition is not consummated on or prior to June 30, 2022 or (y) the Merger Agreement is
terminated without the Blattner Acquisition being consummated (any such event being a “Special Mandatory Redemption Event”), the Company shall redeem all of the Notes then Outstanding (the “Special Mandatory
Redemption”), at a price equal to 101% of the aggregate principal amount of the Notes then Outstanding, plus accrued and unpaid interest thereon, if any, to (but excluding) the redemption date (the “Special Mandatory Redemption
Price”). For purposes of the foregoing, the Blattner Acquisition will be deemed consummated if the closing under the Merger Agreement occurs, including after giving effect to any amendments to the Merger Agreement or waivers thereunder
acceptable to the Company. 
 Notice of the occurrence of a Special Mandatory Redemption Event and that a Special Mandatory Redemption is to
occur (the “Special Mandatory Redemption Notice”) shall be delivered to the Trustee and delivered to Holders of Notes according to the procedures of the Depositary within 10 Business Days after the Special Mandatory Redemption
Event. At the Company’s written request, the Trustee shall give the Special Mandatory Redemption Notice in the Company’s name and at the Company’s expense. On the redemption date specified in the Special Mandatory Redemption Notice,
which shall be no more than 10 Business Days (or such other minimum period as may be required by the Depositary) after mailing or sending the Special Mandatory Redemption Notice, the special mandatory redemption shall occur (the date of such
redemption, the “Special Mandatory Redemption Date”). If funds sufficient to pay the Special Mandatory Redemption Price of all of the Notes then Outstanding on the Special Mandatory Redemption Date are deposited with a paying agent
or the Trustee on or before such Special Mandatory Redemption Date, then on and after such Special Mandatory Redemption Date, the Notes shall cease to bear interest and, other than the right to receive the Special Mandatory Redemption Price, all
rights under the Notes shall terminate. 
 Upon the consummation of the Blattner Acquisition, this Section 2.06 shall cease to apply.

 ARTICLE III 

EVENTS OF DEFAULT 

SECTION 3.01    Events of Default. Article VI of the Indenture is hereby amended, subject to Section 1.07
hereof and with respect to the Notes only, by deleting Section 6.01 of the Indenture and replacing such Section 6.01 with the following: 

If any one or more of the following shall have occurred and be continuing with respect to the Notes (each of the following, an “Event
of Default”): 
 (a)    default in the payment of any installment of interest upon the Notes as and when the
same shall become due and payable, and continuance of such default for a period of 30 days; 

  
 -14- 

 (b)    default in the payment of the principal of or premium, if any, on
the Notes as and when the same shall become due and payable, whether at maturity, upon redemption, by declaration, upon required purchase or otherwise; 

(c)    default in the payment of any sinking fund payment with respect to the Notes as and when the same shall become due
and payable and continuance of such default for a period of 30 days; 
 (d)    failure on the part of the Company to
comply with any of the covenants or agreements on the part of the Company in this Fourth Supplemental Indenture and the Indenture for the benefit of the Notes (other than a covenant a default in the performance of which is otherwise specifically
dealt with), continuing for a period of 90 days after the date on which written notice specifying such failure and requiring the Company to remedy the same shall have been given, by registered or certified mail or overnight courier guaranteeing next
day delivery, to the Company by the Trustee or to the Company and the Trustee by the Holders of at least 25% in aggregate principal amount of the Notes at the time Outstanding; 

(e)    indebtedness for money borrowed of the Company or any Restricted Subsidiary of the Company is not paid within any
applicable grace period after final maturity or is accelerated prior to its stated final maturity by the holders thereof because of a default, the total principal amount of such indebtedness unpaid or accelerated exceeds $150.0 million or the
United States dollar equivalent thereof at the time and such default remains uncured or such acceleration is not rescinded or annulled for 30 days after the date on which written notice specifying such failure and requiring the Company to remedy the
same has been given, by registered or certified mail or by overnight courier guaranteeing next day delivery, to the Company by the Trustee or to the Company and the Trustee by the Holders of at least 25% in aggregate principal amount of the Notes at
the time Outstanding; 
 (f)    the Company or any of its Restricted Subsidiaries shall (i) voluntarily commence
any proceeding or file any petition seeking relief under Title 11 of the United States Code or any other Federal or State bankruptcy, insolvency or similar law, (ii) consent to the institution of, or fail to controvert within the time and in
the manner prescribed by law, any such proceeding or the filing of any such petition, (iii) apply for or consent to the appointment of a receiver, trustee, custodian, sequestrator or similar official for the Company or any such Restricted
Subsidiary or for a substantial part of its property, (iv) file an answer admitting the material allegations of a petition filed against it in any such proceeding, (v) make a general assignment for the benefit of creditors, (vi) admit
in writing its inability or fail generally to pay its debts as they become due or (vii) take any comparable action under any foreign laws relating to insolvency; and 

(g)    the entry of an order or decree by a court having competent jurisdiction for (i) relief in respect of the
Company or any of its Restricted Subsidiaries or a substantial part of any of their property under Title 11 of the United States Code or any other Federal or State bankruptcy, insolvency or similar law, (ii) the appointment of a receiver,
trustee, custodian, sequestrator or similar official for the Company or for any such Restricted Subsidiary or for a substantial part of its property or any of their property (except any decree or order appointing such official of such Restricted
Subsidiary pursuant to a plan under which the assets and operations of such Restricted Subsidiary are transferred to or combined with another one or more other Restricted Subsidiaries or Subsidiaries or to or with the Company) or (iii) the winding-up or liquidation of the Company or any such Restricted Subsidiary (except any decree or order approving or ordering the winding-up or liquidation of the affairs of a
Restricted Subsidiary pursuant to a plan under which the assets and operations of such Restricted Subsidiary are transferred to or combined with one or more other Restricted Subsidiaries or Subsidiaries or to or with the Company), and such order or
decree continues unstayed and in effect for 90 consecutive days, or any similar relief is granted under any foreign laws and the order or decree stays in effect for 90 consecutive days; 

  
 -15- 

 then and in each and every case that an Event of Default described in clause (a), (b), (c), (d) or
(e) with respect to Notes at the time Outstanding occurs and is continuing, unless the principal of and interest on all the Notes shall have already become due and payable, either the Trustee or the Holders of not less than 25% in aggregate
principal amount of the Notes then Outstanding hereunder, by notice in writing to the Company (and to the Trustee if given by Holders), may declare the principal of and interest on all the Notes to be due and payable immediately, and upon any such
declaration the same shall become and shall be immediately due and payable, anything in this Fourth Supplemental Indenture, the Indenture or in the Notes contained to the contrary notwithstanding. If an Event of Default described in clause
(f) or (g) occurs, then and in each and every such case, unless the principal of and interest on all Notes shall have become due and payable, the principal of and interest on all the Notes then Outstanding hereunder shall IPSO FACTO become
and be immediately due and payable without any declaration or other act on the part of the Trustee or any Holders, anything in this Fourth Supplemental Indenture, the Indenture or in the Notes contained to the contrary notwithstanding. 

The Holders of a majority in principal amount of the Notes by notice to the Trustee may rescind an acceleration (including acceleration as specified in clause
(e) and (f)) and its consequences if the rescission would not conflict with any judgment or decree already rendered and if all existing Events of Default have been cured or waived except nonpayment of principal or interest that has become due
solely because of acceleration and the Company has paid the Trustee its compensation and all sums paid or advanced by the Trustee hereunder and the reasonable and documented
out-of-pocket compensation, expenses, disbursements and advances of the Trustee, its agents and counsel. Upon any such rescission, the parties hereto shall be restored
respectively to their several positions and rights hereunder, and all rights, remedies and powers of the parties hereto shall continue as though no proceeding had been taken. In case the Trustee or any Holder shall have proceeded to enforce any
right under this Fourth Supplemental Indenture or the Indenture for the benefit of the Notes and such proceedings shall have been discontinued or abandoned because of such rescission or annulment or for any other reason or shall have been determined
adversely to the Trustee or such Holder, then and in every such case the parties hereto shall be restored respectively to their several positions and rights hereunder and all rights, remedies and powers of the parties hereto shall continue as though
no such proceeding had been taken. 
 The foregoing Events of Default shall constitute Events of Default whatever the reason for any such Event of Default
and whether is voluntary or involuntary or is effected by operation of law or pursuant to any judgment, decree or order of any court or any order, rule or regulation of any administrative or governmental body. 

ARTICLE IV 

MISCELLANEOUS 
 SECTION
4.01    Discharge. 
 If the Company shall effect a defeasance of the Notes pursuant to Article XI of the
Indenture, the Company shall cease to have any obligation to comply with the covenants set forth in Sections 2.04 and 2.05 hereof. 

SECTION 4.02    Confirmation of Indenture. 

The Indenture, as supplemented and amended by this Fourth Supplemental Indenture, is in all respects ratified and confirmed, and the Indenture
and this Fourth Supplemental Indenture shall be read, taken and construed as one and the same instrument. 

  
 -16- 

 SECTION 4.03    Concerning the Trustee. 

The Trustee assumes no duties, responsibilities or liabilities by reason of this Fourth Supplemental Indenture other than as set forth in the
Indenture. The Trustee makes no representations and shall not be responsible for the validity or sufficiency of this Fourth Supplemental Indenture, the Notes or for or in respect of the recitals contained herein. All of the provisions contained in
the Indenture in respect of the rights, powers, privileges, and immunities of the Trustee shall be applicable in respect of this Fourth Supplemental Indenture as fully and with like force and effect as though set forth in full herein. The Trustee
shall not be accountable for the use or application by the Company of the Notes or the proceeds thereof. 
 SECTION
4.04    Counterparts. 
 This Fourth Supplemental Indenture may be executed in any number of counterparts, each of
which shall be an original; but such counterparts shall together constitute but one and the same instrument. The exchange of copies of this Fourth Supplemental Indenture and of signature pages by facsimile or PDF transmission (including any
electronic signature covered by the ESIGN Act of 2000, Uniform Electronic Transactions Act, the Electronic Signatures and Records Act or other applicable law) shall constitute effective execution and delivery of this Fourth Supplemental Indenture as
to the parties hereto and may be used in lieu of the original Fourth Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile, PDF or electronic signature shall be deemed to be their original signatures for
all purposes. 
 [Signature Page Follows] 

  
 -17- 

 IN WITNESS WHEREOF, the parties hereto have caused this Fourth Supplemental Indenture to be
duly executed as of the day and year first above written. 
  

					
	QUANTA SERVICES, INC.
		
	By:	 	 /s/ Nicholas M. Grindstaff

		 	Name:	 	Nicholas M. Grindstaff
		 	Title:	 	Vice President – Finance and Treasurer
	
	 U.S. BANK NATIONAL ASSOCIATION,

as Trustee

		
	By:	 	 /s/ Alejandro Hoyos

		 	Name:	 	Alejandro Hoyos
		 	Title:	 	Vice President

  
 [Signature Page to Fourth
Supplemental Indenture] 

 EXHIBIT A 

[Form of Face of Global Note] 
 UNLESS AND UNTIL
IT IS EXCHANGED IN WHOLE OR IN PART FOR THE INDIVIDUAL DEBT SECURITIES REPRESENTED HEREBY, THIS GLOBAL NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY
OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITARY. 
 UNLESS
THIS GLOBAL NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE, OR PAYMENT, AND ANY CERTIFICATE ISSUED
IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF
DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 

3.050% Senior Notes due 2041 
  

			
	CUSIP No. 74762E AJ1	  	$[●]
	ISIN No. US74762EAJ10	  	
	No. 0000 (Specimen)	  	

 QUANTA SERVICES, INC. 

Quanta Services, Inc., a corporation duly organized and existing under the laws of the State of Delaware (herein called the
“Issuer,” which term includes any successor Person under the Indenture hereinafter referred to) as obligor, for value received, hereby promises to pay to CEDE & CO., or registered assigns, the principal sum of [●]
DOLLARS ($[●]) on October 1, 2041, and to pay interest thereon from September 23, 2021, or from the most recent interest payment date to which interest has been paid or duly provided for, semi-annually on April 1 and
October 1 in each year, commencing April 1, 2022, at the rate of 3.050% per annum, until the principal hereof is paid or made available for payment. Interest will be computed on the basis of a
360-day year comprised of twelve 30-day months. The Issuer shall also pay interest on overdue principal or installments of interest at such rate. The interest so
payable, and punctually paid or duly provided for, on any interest payment date will, as provided in the Indenture, be paid to the Person in whose name this Debt Security is registered at the close of business on the record date for such interest,
which shall be March 15 or September 15 (whether or not a Business Day), as the case may be, next preceding such interest payment date. Any interest on this Debt Security which is payable, but is not punctually paid or duly provided for,
on the dates and in the manner provided in this Debt Security and the Indenture shall forthwith cease to be payable to the Registered Holder hereof on the relevant record date, and such Defaulted Interest may be paid by the Issuer to the Person in
whose name this Debt Security is registered at the close of business on a special record date for the payment of such Defaulted Interest to be fixed by the Trustee, notice whereof shall be given to the Holder of this Debt Security not less than 10
days prior to such special record date, or may be paid by the Issuer on this Debt Security in any other lawful manner not inconsistent with the requirements of any securities exchange on which this Debt Security may be listed, and upon such notice
as may be required by such securities exchange, all as more fully provided in the Indenture. 

  
 A-1 

 As provided in the Indenture and subject to certain limitations therein set forth, payment
of interest on this Debt Security shall be made at the corporate trust office of the Trustee or, at the option of the Issuer, by check mailed to the address of the Person entitled thereto as such address shall appear in the Debt Security Register
or, at the option of the Registered Holder, by wire transfer to an account designated by the Registered Holder, in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private
debts. 
 Reference is hereby made to the further provisions of this Debt Security set forth on the reverse hereof, which further provisions
shall for all purposes have the same effect as if set forth at this place. 
 Unless the certificate of authentication hereon has been
executed by the Trustee referred to herein by manual signature, this Debt Security shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

IN WITNESS WHEREOF, the Issuer has caused this instrument to be duly executed. 

 

							
	Dated:	 		 	QUANTA SERVICES, INC.
				
		 		 	By:	 	
                    

		 		 		 	Name:
		 		 		 	Title:
				
		 		 	By:	 	
                    

		 		 		 	Name:
		 		 		 	Title:

  
 A-2 

 CERTIFICATE OF AUTHENTICATION 

This is one of the Debt Securities of the series designated therein referred to in the within-mentioned Indenture. 

 

							
	Dated:	 		 	 U.S. BANK NATIONAL ASSOCIATION.

as Trustee

				
		 		 	By:	 	
                    

		 		 		 	Authorized Signatory

  
 A-3 

 [REVERSE OF GLOBAL NOTE] 

This Debt Security is one of a duly authorized issue of securities of the Issuer (herein called the “Debt Securities”),
issued and to be issued in one or more series under an Indenture, dated as of September 22, 2020 (the “Base Indenture”) as supplemented by the Fourth Supplemental Indenture, dated as of September 23, 2021 (the
“Fourth Supplemental Indenture” and, together with the Base Indenture, the “Indenture”), between the Issuer and U.S. Bank National Association, as trustee (herein called the “Trustee”), and
reference is hereby made to the Indenture for a statement of the respective rights, limitations of rights, duties and immunities thereunder of the Issuer, the Trustee and the Registered Holders of the Debt Securities and of the terms upon which the
Debt Securities are, and are to be, authenticated and delivered. This Debt Security is one of the series designated on the face hereof. 

This Debt Security is subject to redemption upon notice mailed or sent at least 10 days but not more than 60 days prior to the redemption date
to each Registered Holder. On or after April 1, 2041 (the “Par Call Date”), this Debt Security will be redeemable, as a whole or from time to time in part, at the option of the Issuer at any time, at a redemption price equal to
100% of the principal amount to be redeemed, plus accrued and unpaid interest, if any, thereon to (but excluding) the date of the redemption. Prior to the Par Call Date, this Debt Security may be redeemed, at any time as a whole or from time to time
in part, at the option of the Issuer, at a redemption price equal to the greater of (a) 100% of the principal amount to be redeemed and (b) the sum of the present values of the Remaining Scheduled Payments (as defined in the Fourth Supplemental
Indenture) thereon that would be due if the Debt Security matured on the Par Call Date, discounted to the redemption date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 20 basis points, plus, in either case, accrued and unpaid interest, if any, on the principal amount being redeemed to (but excluding) the date of redemption. Unless the
Issuer defaults in payment of the redemption price, on and after the applicable redemption date, interest will cease to accrue on the Debt Securities or portions thereof called for redemption. 

In the event that (x) the Blattner Acquisition is not consummated on or prior to June 30, 2022 or (y) the Merger Agreement is
terminated without the Blattner Acquisition being consummated (any such event being a “Special Mandatory Redemption Event”), the Company shall redeem all of this Debt Security, at a price equal to 101% of the aggregate principal
amount thereof then Outstanding, plus accrued and unpaid interest thereon, if any, to (but excluding) the redemption date. For purposes of the foregoing, the Blattner Acquisition will be deemed consummated if the closing under the Merger Agreement
occurs, including after giving effect to any amendments to the Merger Agreement or waivers thereunder acceptable to the Company. Such redemption shall be in accordance with Section 2.06 of the Fourth Supplemental Indenture. 

Upon the occurrence of a Change of Control Triggering Event with respect to this Debt Security, unless the Issuer has exercised its right to
redeem this Debt Security in full as set forth in Section 2.03 of the Fourth Supplemental Indenture, by giving irrevocable notice to the Trustee in accordance with the Indenture, each Holder of this Debt Security will have the right to require
the Issuer to purchase all or a portion (equal to $2,000 or whole multiples of $1,000 in excess thereof) of such Holder’s Debt Security pursuant to a Change of Control Offer, at a purchase price equal to 101% of the principal amount thereof
plus accrued and unpaid interest, if any, to (but excluding) the date of purchase (the “Change of Control Payment”), subject to the rights of Holders of this Debt Security on the relevant record date to receive interest due on the
relevant interest payment date. 
 Unless the Issuer has exercised its right to redeem this Debt Security, within 30 days following the date
upon which the Change of Control Triggering Event occurred with respect to this Debt Security or, at the Issuer’s option, prior to any Change of Control but after the public announcement of the pending

  
 A-4 

 
Change of Control, the Issuer will be required to send by first class mail or, to the extent permitted or required by the Depositary’s Applicable Procedures, send electronically, a notice to
each Holder of this Debt Security, with a copy to the Trustee, which notice will govern the terms of the Change of Control Offer. The notice will state, among other things, the purchase date, which, other than as may be required by applicable law,
must be no earlier than 10 days nor later than 60 days after the date the notice is mailed or sent (or, in the case of a notice mailed or sent prior to the date of consummation of a Change of Control, no earlier than the date of the occurrence of
the Change of Control), other than as may be required by law (the “Change of Control Payment Date”). The notice, if mailed or sent prior to the date of consummation of the Change of Control, will state that the Change of Control
Offer is conditioned on the Change of Control being consummated on or prior to the Change of Control Payment Date. 
 On the Change of
Control Payment Date, the Issuer will, to the extent lawful: 
 (i)    accept or cause a third party to
accept for payment all Debt Securities of this series or portions of Debt Securities of this series properly tendered pursuant to the Change of Control Offer; 

(ii)    deposit or cause a third party to deposit with the paying agent an amount equal to the Change of
Control Payment in respect of all Debt Securities of this series or portions of Debt Securities of this series properly tendered; and 

(iii)    deliver or cause to be delivered to the Trustee the Debt Securities of this series properly
accepted together with an Officers’ Certificate or statement signed by an Officer of the Company, which need not constitute an Officers’ Certificate, stating the aggregate principal amount of Debt Securities of this series or portions of
Debt Securities of this series being purchased. 
 The Issuer will not be required to make a Change of Control Offer with respect to this
Debt Security if (x) a third party makes such an offer in the manner, at the times and otherwise in compliance with the requirements for such an offer made by the Issuer and such third party purchases all the Debt Securities of this series
properly tendered and not withdrawn under its offer, (y) a notice of redemption has been given to the Holders of all of the Debt Securities of this series in accordance with the terms of the Indenture, unless and until there is a default in
payment of the redemption price, or (z) in connection with or in contemplation of any Change of Control, the Issuer has made an offer to purchase (an “Alternate Offer”) any and all Debt Securities of this series validly
tendered at a cash price equal to or higher than the Change of Control Payment and has purchased all Debt Securities of this series properly tendered in accordance with the terms of such Alternate Offer. 

The Issuer will comply in all material respects with the requirements of Rule 14e-1 under the Exchange
Act, and any other securities laws and regulations thereunder to the extent those laws and regulations are applicable in connection with the purchase of this Debt Security as a result of a Change of Control Triggering Event. To the extent that the
provisions of any such securities laws or regulations conflict with the Change of Control Offer provisions of this Debt Security or the Indenture, the Issuer will comply with those securities laws and regulations and will not be deemed to have
breached its obligations under Section 2.03 of the Fourth Supplemental Indenture by virtue of any such conflict. 
 The Indenture
contains provisions for defeasance at any time of the entire indebtedness of this Debt Security or certain restrictive covenants and Events of Default with respect to this Debt Security, in each case upon compliance with certain conditions set forth
in the Indenture. Such provisions shall be applicable to this Debt Security. 

  
 A-5 

 If an Event of Default with respect to this Debt Security shall occur and be continuing, the
principal of and interest on this Debt Security may be declared due and payable in the manner and with the effect provided in the Indenture. 

The Indenture permits, with certain exceptions as therein provided, without notice to any Holder but with the consent of Holders of not less
than a majority in aggregate principal amount of the Outstanding Debt Securities of each series affected by such supplemental indenture, the Issuer and the Trustee at any time to enter into an indenture or supplemental indenture for the purpose of
adding any provisions to or changing in any manner or eliminating any of the provisions of the Indenture or of any supplemental indenture or of modifying in any manner the rights of the Holders of the Debt Securities of such series. The Indenture
also permits, with certain exceptions as therein provided, prior to the acceleration of the maturity of the Debt Securities of any series, the Holders of specified percentages in aggregate principal amount of the Debt Securities of that series at
the time Outstanding may on behalf of the Holders of all the Debt Securities of that series waive any past Default or Event of Default and its consequences for that series specified in the terms thereof. Any such consent or waiver by the Holder of
this Debt Security shall be conclusive and binding upon such Holder and upon all future Holders of this Debt Security and of any Debt Security issued upon the registration of transfer hereof or in lieu hereof, whether or not notation of such consent
or waiver is made upon this Debt Security. 
 As provided in and subject to the provisions of the Indenture, the Holder of this Debt
Security shall not have the right to institute any action or proceeding at law or in equity or in bankruptcy or otherwise, upon or under or with respect to the Indenture, or for the appointment of a receiver or trustee, or for any other remedy
thereunder, unless such Holder previously shall have given to the Trustee written notice of an Event of Default with respect to the Debt Securities of this series and of the continuance thereof and unless the Holders of not less than 25% in
aggregate principal amount of the Outstanding Debt Securities of this series shall have made written request upon the Trustee to institute such action or proceedings in respect of such Event of Default in its own name as Trustee thereunder and shall
have offered to the Trustee such security or indemnity as it may require against the costs, expenses and liabilities to be Incurred therein or thereby, and the Trustee, for 60 days after its receipt of such notice, request and offer of security or
indemnity shall have failed to institute any such action or proceedings and no direction inconsistent with such written request shall have been given to the Trustee by the Holders of a majority in aggregate principal amount of the Debt Securities of
this series at the time Outstanding. The foregoing shall not apply to any suit instituted by the Holder of this Debt Security for the enforcement of any payment of principal hereof or interest hereon on or after the respective due dates expressed
herein. 
 No reference herein to the Indenture and no provision of this Debt Security or of the Indenture shall alter or impair the
obligation of the Issuer, which is absolute and unconditional, to pay the principal of and interest on this Debt Security at the times, place and rate, and in the coin or currency, herein prescribed. 

As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Debt Security is registrable in the
Debt Security Register, upon surrender of this Debt Security for registration of transfer at the office or agency of the Issuer in any Place of Payment, duly endorsed or accompanied by a written instrument or instruments of transfer, in form
satisfactory to the Issuer, the Trustee and the Registrar duly executed by the Registered Holder or the Registered Holder’s attorney duly authorized in writing, and thereupon the Issuer shall execute and the Trustee shall authenticate and
deliver in the name of the transferee or transferees a new Debt Security or Debt Securities of authorized denominations for a like aggregate principal amount. 

The Debt Securities of this series are issuable only in registered form without coupons in denominations of $2,000 and integral multiples of
$1,000 in excess thereof. As provided in the Indenture 

  
 A-6 

 
and subject to certain limitations therein set forth, Debt Securities of this series are exchangeable in whole or in part for a like aggregate principal amount of Debt Securities of this series
and of like tenor and terms of a different authorized denomination, as requested by the Holder surrendering the same. 
 As provided in the
Indenture and subject to certain limitations therein set forth, no service charge shall be made for any such registration of transfer of Debt Securities, but the Issuer may require payment of a sum sufficient to cover any tax or other governmental
charge that may be imposed in relation thereto. 
 Prior to due presentation for registration of transfer of this Debt Security, the Issuer,
the Trustee, any paying agent or any Registrar may deem and treat the Person in whose name this Debt Security is registered as the absolute owner hereof for all purposes, whether or not this Debt Security shall be overdue, and none of the Issuer,
the Trustee, any paying agent or any Registrar shall be affected by notice to the contrary. 
 An incorporator or any past, present or
future director, officer, employee, controlling Person or stockholder, as such, of the Issuer or any successor shall not have any liability for any obligations of the Issuer under this Debt Security or the Indenture or for any claim based on, in
respect of or by reason of such obligations or their creation. By accepting this Debt Security, each Holder waives and releases all such liability. The waiver and release are part of the consideration for the issue of this Debt Security. 

In the case of any conflict between the provisions of this Debt Security and the Indenture, the provisions of the Indenture shall control.

 All terms used in this Debt Security which are defined in the Indenture shall have the meanings assigned to them in the Indenture. 

  
 A-7EX-10.1

 Exhibit 10.1 

$400,000,000 
 WABASH
NATIONAL CORPORATION 
 4.500% Senior Notes due 2028 

PURCHASE AGREEMENT 

September 22, 2021 
  

 September 22, 2021 

Morgan Stanley & Co. LLC 
 As Representative of the
Initial Purchasers 
 c/o Morgan Stanley & Co. LLC 

1585 Broadway 
 New York, New York
10036 
 Ladies and Gentlemen: 
 Wabash
National Corporation, a Delaware corporation (the “Company”), proposes to issue and sell to the several purchasers named in Schedule I hereto (the “Initial Purchasers”) $400,000,000 aggregate principal amount of the
Company’s 4.500% Senior Notes due 2028 (the “Notes”). Morgan Stanley & Co. LLC has agreed to act as the Representative of the several Initial Purchasers (the “Representative”) in connection with the
offering and sale of the Notes. 
 The Securities (as defined herein) will be issued pursuant to the provisions of an indenture, to be dated
as of October 6, 2021 (the “Indenture”), among, the Company, the Guarantors (as defined herein) and Wells Fargo Bank, National Association, as trustee (the “Trustee”). 

The payment of principal of, premium, if any, and interest on the Notes will be unconditionally guaranteed, jointly and severally, on a senior
unsecured basis, by (i) the entities listed on the signature pages hereof as “Guarantors” and (ii) any subsidiary of the Company formed or acquired after the Closing Date that executes an additional guarantee in accordance
with the terms of the Indenture, and their respective successors and assigns (collectively, the “Guarantors”), pursuant to their guarantees (the “Guarantees”). The Notes and the Guarantees attached thereto are
herein collectively referred to as the “Securities.” 
 The issuance and sale of the Notes, the issuance of the Guarantees,
the redemption of all of the outstanding $325,000,000 aggregate principal amount of 5.50% Senior Notes due 2025 issued by the Company (the “Existing Notes”) and the payment of related premiums, fees and expenses are referred to
herein collectively, as the “Transactions.” 
 The Company understands that the Initial Purchasers propose to make an
offering of the Securities on the terms and in the manner set forth herein and in the Time of Sale Memorandum (as defined herein) and agrees that the Initial Purchasers may resell, subject to the conditions set forth herein, all or a portion of the
Securities to purchasers (the “Subsequent Purchasers”) on the terms set forth in the Time of Sale Memorandum (the first time when sales of the Securities are made is referred to as the “Time of Sale”). The
Securities will be offered without being registered under the Securities Act of 1933, as amended (the “Securities Act”), to persons reasonably believed to be qualified institutional buyers in compliance with the exemption from
registration provided by Rule 144A under the Securities Act (“Rule 144A”) and in offshore transactions in reliance on Regulation S under the Securities Act (“Regulation S”). Pursuant to the terms of the Securities
and the Indenture, investors who acquire Securities shall be deemed to have agreed that Securities may only be resold or otherwise transferred, after the date hereof, if such Securities are registered for sale under the Securities Act or if an
exemption from the registration requirements of the Securities Act is available (including the exemptions afforded by Rule 144A or Regulation S). The Company hereby confirms that it has authorized the use of the Time of Sale Memorandum, the Final
Memorandum (as defined herein) and any Additional Written Offering Communication (as defined herein) in connection with the offer and sale of the Securities by the Initial Purchasers. 

  
 -1- 

 In connection with the sale of the Securities, the Company has prepared and delivered to
each Initial Purchaser copies of a preliminary offering memorandum, dated September 22, 2021 (the “Preliminary Memorandum”), and prepared and delivered to each Initial Purchaser copies of a pricing supplement, dated
September 22, 2021 (the “Pricing Supplement”), describing the terms of the Securities, each for use by such Initial Purchaser in connection with its solicitation of offers to purchase the Securities. For purposes of this
Agreement, “Additional Written Offering Communication” means any written communication (as defined in Rule 405 under the Securities Act) that constitutes an offer to sell or a solicitation of an offer to buy the Securities other
than the Preliminary Memorandum, the Pricing Supplement or the Final Memorandum; and “Time of Sale Memorandum” means the Preliminary Memorandum together with the Pricing Supplement and each Additional Written Offering Communication
or other information, if any, each identified in Schedule II hereto under the caption Time of Sale Memorandum. Promptly after this Agreement is executed and delivered, the Company will prepare and deliver to each Initial Purchaser a final offering
memorandum, dated the date hereof (the “Final Memorandum”). As used herein, the terms “Preliminary Memorandum,” “Time of Sale Memorandum” and “Final Memorandum” shall include the documents, if any,
incorporated by reference therein on the date hereof. The terms “supplement,” “amendment” and “amend” as used herein with respect to the Preliminary Memorandum, the Time of Sale Memorandum, the
Final Memorandum or any Additional Written Offering Communication shall include all documents subsequently filed by the Company with the Securities and Exchange Commission (the “Commission”) pursuant to the Securities Exchange Act
of 1934, as amended (the “Exchange Act”), that are deemed to be incorporated by reference therein. 
 1. Representations
and Warranties. Each of the Company and the Guarantors, jointly and severally, hereby represents and warrants to, and agrees with each Initial Purchaser that, as of the Time of Sale and as of the Closing Date: 

(a) (i) Each document filed or to be filed pursuant to the Exchange Act and incorporated by reference in the Preliminary
Memorandum, the Time of Sale Memorandum or the Final Memorandum (the “Exchange Act Reports”) complied, or will comply when so filed, in all material respects with the Exchange Act and the applicable rules and regulations of the
Commission thereunder, (ii) the Time of Sale Memorandum as of the Time of Sale does not, and as of the Closing Date (as defined in Section 4) will not, contain any untrue statement of a material fact or omit to state a material fact
necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading (iii) any Additional Written Offering Communication prepared, used or referred to by the Company, when considered together
with the Time of Sale Memorandum, at the time of its use did not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made,
not misleading, and (iv) the Final Memorandum as of its date and as of the Closing Date (as defined in Section 4) will not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements
therein, in the light of the circumstances under which they were made, not misleading, except that the representations and warranties set forth in this paragraph do not apply to statements in or omissions from the Time of Sale Memorandum, the Final
Memorandum, or Additional Written Offering Communication based upon information relating to any Initial Purchaser furnished to the Company in writing by such Initial Purchaser through you expressly for use therein. The interactive data in eXtensible
Business Reporting Language included or incorporated by reference in the Preliminary Memorandum, the Time of Sale Memorandum and the Final Memorandum fairly presents the information called for in all material respects and has been prepared in
accordance with the Commission’s rules and guidelines applicable thereto. 

  
 -2- 

 (b) Except for the Additional Written Offering Communications, if any,
identified in Schedule II hereto, including electronic road shows and furnished to you before first use, the Company has not used or referred to, and will not, without your prior consent, use or refer to, any Additional Written Offering
Communication. 
 (c) The Company has been duly incorporated, is validly existing as a corporation in good standing under the
laws of the jurisdiction of its incorporation, has the corporate power and authority to own its property and to conduct its business as described in the Time of Sale Memorandum and to enter into and perform its obligations under each of this
Agreement, the Indenture and the Securities. The Company is duly qualified to transact business and is in good standing in each jurisdiction in which the conduct of its business or its ownership or leasing of property requires such qualification,
except to the extent that the failure to be so qualified or to be in good standing would not have a material adverse effect on the Company and its subsidiaries, taken as a whole. 

(d) Each subsidiary of the Company has been duly incorporated, formed or organized, as applicable, is validly existing as a
corporation, limited partnership or other entity, as applicable, is in good standing under the laws of the jurisdiction of its incorporation, formation or organization, has the corporate (or other) power and authority to own its property and to
conduct its business as described in the Time of Sale Memorandum and to enter into and perform its obligations under each of this Agreement, the Indenture and the Securities, as applicable. Each subsidiary of the Company is duly qualified to
transact business and is in good standing (to the extent that the concept of good standing is applicable) in each jurisdiction in which the conduct of its business or its ownership or leasing of property requires such qualification, except to the
extent that the failure to be so qualified or to be in good standing would not have a material adverse effect on the Company and its subsidiaries, taken as a whole; all of the issued shares of capital stock or other equity interests of each
subsidiary of the Company have been duly and validly authorized and issued, are fully paid and non-assessable and are owned directly or indirectly by the Company, free and clear of all liens, encumbrances,
equities or claims. 
 (e) This Agreement has been duly authorized, executed and delivered by the Company and each Guarantor.

 (f) The Notes and the performance by the Company of its obligations thereunder have been duly authorized and, when
executed and authenticated in accordance with the provisions of the Indenture and delivered to and paid for by the Initial Purchasers in accordance with the terms of this Agreement, will be valid and binding obligations of the Company, enforceable
in accordance with their terms, subject to applicable bankruptcy, insolvency and similar laws affecting creditors’ rights and remedies generally and equitable principles of general applicability, and will be entitled to the benefits of the
Indenture pursuant to which such Notes are to be issued. 
 (g) The Guarantees of the Notes on the Closing Date will be in
the form contemplated by the Indenture and have been duly authorized for issuance pursuant to this Agreement and the Indenture; the Guarantees of the Notes, at the Closing Date, will have been duly executed by each of the Guarantors and, when the
Notes have been authenticated in the manner provided for in the Indenture and issued and delivered against payment of the purchase price therefor, the Guarantees of the Notes will constitute valid and binding agreements of the Guarantors, and will
be entitled to the benefits of the Indenture pursuant to which such Guarantees are to be issued. 

  
 -3- 

 (h) The Indenture and the performance by the Company of its obligations
thereunder has been duly authorized and, on the Closing Date, will have been duly executed and delivered by the Company and each Guarantor, and will (assuming the due authorization, execution and delivery thereof by the other parties thereto)
constitute a valid and binding agreement of, the Company and each Guarantor, enforceable in accordance with its terms, subject to applicable bankruptcy, insolvency and similar laws affecting creditors’ rights and remedies generally and
equitable principles of general applicability. 
 (i) The Securities to be purchased by the Initial Purchasers from the
Company will on the Closing Date be in the form contemplated by the Indenture. The Securities and the Indenture will conform in all material respects to the descriptions thereof in the Time of Sale Memorandum and the Final Memorandum. 

(j) The execution and delivery by the Company of, and the performance by the Company of its obligations under, this Agreement,
the Indenture and the Securities, and the issuance and sale of the Securities, will not contravene (i) any provision of applicable law, (ii) the certificate of incorporation or by-laws of the
Company, (iii) any agreement or other instrument binding upon the Company or any of its subsidiaries (including, without limitation, those agreements or other instruments filed as an exhibit to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2020 (“2020 10-K”), or (iv) any judgment, order or decree of any governmental body, agency or court
having jurisdiction over the Company or any subsidiary, except, in the cases of clauses (i), (iii) and (iv) above, for any such contravention that would not have a material adverse effect on the Company and its subsidiaries, taken as a whole,
or on the power and ability of the Company to perform its obligations under this Agreement, the Indenture or the Securities or to consummate the transactions contemplated hereby or thereby. 

(k) No consent, approval, authorization or order of, or qualification with, any governmental body or agency is required for the
performance by the Company of its obligations under this Agreement, the Indenture or the Securities or the issuance and sale of the Securities, except such as may be required by the securities or Blue Sky laws of the various states in connection
with the offer and sale of the Securities and except for any such consents, approvals, authorizations, orders or qualifications the absence of which would not, individually or in the aggregate, have a material adverse effect on the Company and its
subsidiaries, taken as a whole, or on the power and ability of the Company to perform its obligations under this Agreement, the Indenture or the Securities or to consummate the transactions contemplated hereby or thereby. 

(l) There has not occurred any material adverse change, or any development involving a prospective material adverse change, in
the condition, financial or otherwise, or in the earnings, business or operations of the Company and its subsidiaries, taken as a whole, from that set forth in the Time of Sale Memorandum provided to prospective purchasers of the Securities. 

(m) There are no legal or governmental proceedings (including arbitrations) pending or, to the Company’s knowledge,
threatened to which the Company or any of its subsidiaries is a party or to which any of the properties of the Company or any of its subsidiaries is subject other than proceedings accurately described in all material respects in the Time of Sale
Memorandum and proceedings that would not have a material adverse effect on the Company and its subsidiaries, taken as a whole, or on the power or ability of the Company to perform its obligations under this Agreement, the Indenture or the
Securities or to consummate the transactions contemplated by the Time of Sale Memorandum; and there are no statutes, regulations, contracts or other documents to which the Company is subject or by which the Company is bound that would be required to
be (i) described in the Final Memorandum (were it a registration statement filed with the Commission) and are not so described, or (ii) filed as exhibits to the 2020 10-K or any subsequent Exchange
Act Report that were not filed as required. 

  
 -4- 

 (n) Neither the Company nor any Guarantor is, nor after giving effect to the
offering and sale of the Securities and the application of the proceeds thereof as described in the Time of Sale Memorandum will be, required to register as an “investment company” as such term is defined in the Investment Company Act of
1940, as amended. 
 (o) The Company and its subsidiaries (i) are in compliance with any and all applicable foreign,
federal, state and local laws and regulations relating to the protection of human health and safety, the environment or hazardous or toxic substances or wastes, pollutants or contaminants (“Environmental Laws”), (ii) have received
all permits, licenses or other approvals required of them under applicable Environmental Laws to conduct their respective businesses and (iii) are in compliance with all terms and conditions of any such permit, license or approval, except
(x) where such noncompliance with Environmental Laws, failure to receive required permits, licenses or other approvals or failure to comply with the terms and conditions of such permits, licenses or approvals would not, individually or in the
aggregate, have a material adverse effect on the Company and its subsidiaries, taken as a whole, or (y) as described in the Time of Sale Memorandum and the Final Memorandum. 

(p) There are no costs or liabilities associated with Environmental Laws (including, without limitation, any capital or
operating expenditures required for clean-up, closure of properties or compliance with Environmental Laws or any permit, license or approval, any related constraints on operating activities and any potential
liabilities to third parties) except (i) which would not, individually or in the aggregate, have a material adverse effect on the Company and its subsidiaries, taken as a whole, or (ii) as described in the Time of Sale Memorandum and the
Final Memorandum. 
 (q) None of the Company, any affiliate (as defined in Rule 501(b) of Regulation D under the Securities
Act, an “Affiliate”), or any person acting on its or their behalf (other than the Initial Purchasers or any person acting on their behalf, as to whom the Company makes no representation or warranty) has, directly or indirectly,
solicited any offer to buy or offered to sell, or will, directly or indirectly, solicit any offer to buy or offer to sell, in the United States or to any United States citizen or resident, any security which is or would be integrated with the sale
of the Securities in a manner that would require the Securities to be registered under the Securities Act or offered, solicited offers to buy or sold the Securities by any form of general solicitation or general advertising (as those terms are used
in Regulation D under the Securities Act) or in any manner involving a public offering within the meaning of Section 4(a)(2) of the Securities Act. With respect to those Securities sold in reliance upon Regulation S, (i) none of the
Company, its Affiliates or any person acting on its or their behalf (other than the Initial Purchasers or any person acting on their behalf, as to whom the Company makes no representation or warranty) has engaged or will engage in any directed
selling efforts within the meaning of Regulation S and (ii) each of the Company and its Affiliates and any person acting on its or their behalf (other than the Initial Purchasers or any person acting on their behalf, as to whom the Company
makes no representation or warranty) has complied and will comply with the offering restrictions set forth in Regulation S. 

(r) Subject to compliance by the Initial Purchasers with the procedures set forth in Section 7 hereof, it is not necessary
in connection with the offer, sale and delivery of the Securities to the Initial Purchasers and to each Subsequent Purchaser in the manner contemplated by this Agreement and the Time of Sale Memorandum to register the Securities under the Securities
Act or to qualify the Indenture under the Trust Indenture Act of 1939 (the “Trust Indenture Act,” which term, as used herein, includes the rules and regulations of the Commission promulgated thereunder). 

  
 -5- 

 (s) The Securities are eligible for resale pursuant to Rule 144A and will
not be, at the Closing Date, of the same class as securities listed on a national securities exchange registered under Section 6 of the Exchange Act or quoted in a U.S. automated interdealer quotation system. 

(t) (i) None of the Company or any of its subsidiaries or affiliates, or any director or officer thereof, or, to the
Company’s knowledge, any employee, agent or representative of the Company or of any of its subsidiaries or affiliates, has taken or will take any action in furtherance of an offer, payment, promise to pay, or authorization or approval of the
payment, giving or receipt of money, property, gifts or anything else of value, directly or indirectly, to any government official (including any officer or employee of a government or government-owned or controlled entity or of a public
international organization, or any person acting in an official capacity for or on behalf of any of the foregoing, or any political party or party official or candidate for political office) (“Government Official”) in order to
influence official action, or to any person in violation of any applicable anti-corruption laws; (ii) the Company and each of its subsidiaries and affiliates have conducted their businesses in compliance with applicable anti-corruption laws and
have instituted and maintained and will continue to maintain policies and procedures reasonably designed to promote and achieve compliance with such laws and with the representations and warranties contained herein; and (iii) neither the
Company nor any of its subsidiaries will use, directly or indirectly, the proceeds of the offering in furtherance of an offer, payment, promise to pay, or authorization of the payment or giving of money, or anything else of value, to any person
in violation of any applicable anti-corruption laws 
 (u) The operations of the Company and its subsidiaries are and have
been conducted at all times in material compliance with all applicable financial recordkeeping and reporting requirements, including those of the Bank Secrecy Act, as amended by Title III of the Uniting and Strengthening America by Providing
Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001 (USA PATRIOT Act), and the applicable anti-money laundering statutes of jurisdictions where the Company and its subsidiaries conduct business, the rules and regulations
thereunder and any related or similar rules, regulations or guidelines, issued, administered or enforced by any governmental agency (collectively, the “Anti-Money Laundering Laws”), and no action, suit or proceeding by or before any
court or governmental agency, authority or body or any arbitrator involving the Company or any of its subsidiaries with respect to the Anti-Money Laundering Laws is pending or, to the best knowledge of the Company, threatened. 

(v) (i) The Company represents that neither the Company nor any of its subsidiaries, nor any director, officer, or
employee thereof, nor, to the Company’s knowledge, any agent, affiliate or representative of the Company or any of its subsidiaries, is an individual or entity (“Person”) that is, or is owned or controlled by a Person that is:

 (A) the subject of any sanctions administered or enforced by the U.S. Department of Treasury’s Office of Foreign
Assets Control or other relevant sanctions authority (collectively, “Sanctions”), nor 
 (B) located,
organized or resident in a country or territory that is the subject of Sanctions (including, without limitation, Crimea, Cuba, Iran, North Korea and Syria). 

  
 -6- 

 (ii) The Company represents and covenants that it will not, directly or,
knowingly, indirectly, use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other Person: 

(A) to fund or facilitate any activities or business of or with any Person or in any country or territory that, at the time of
such funding or facilitation, is the subject of Sanctions in a manner that would be prohibited by any such Sanctions; or 

(B) in any other manner that will result in a violation of Sanctions by any Person (including any Person participating in the
offering, whether as underwriter, advisor, investor or otherwise). 
 (iii) The Company represents and covenants that for the
past 5 years, it and its subsidiaries have not knowingly engaged in, are not now knowingly engaged in, and will not knowingly engage in, any dealings or transactions with any Person, or in any country or territory, that at the time of the dealing or
transaction is or was the subject of Sanctions in violation of any such Sanctions. 
 (w) Subsequent to the respective dates
as of which information is given in each of the Time of Sale Memorandum and the Final Memorandum, and except as disclosed therein, (i) the Company and its subsidiaries have not incurred any material liability or obligation, direct or
contingent, nor entered into any material transaction required to be disclosed therein; (ii) the Company has not purchased any of its outstanding capital stock other than pursuant to publicly disclosed stock repurchase programs, nor declared,
paid or otherwise made any dividend or distribution of any kind on its capital stock other than ordinary and customary dividends; and (iii) there has not been any material change in the capital stock, short-term debt or long-term debt of the
Company and its subsidiaries, except in each case as described in each of the Time of Sale Memorandum and the Final Memorandum, respectively. 

(x) The Company and its subsidiaries have good and marketable title in fee simple to all real property and good and marketable
title to all personal property owned by them, respectively, which is material to the business of the Company and its subsidiaries, in each case free and clear of all liens, encumbrances and defects except such as are described in the Time of Sale
Memorandum or such as do not materially affect the value of such property and do not materially interfere with the use made and proposed to be made of such property by the Company and its subsidiaries; and any real property and buildings held under
lease by the Company and its subsidiaries are held by them under valid, subsisting and enforceable leases with such exceptions as are not material and do not materially interfere with the use made and proposed to be made of such property and
buildings by the Company and its subsidiaries, in each case except as described in the Time of Sale Memorandum and the Final Memorandum. 

(y) The Company and its subsidiaries own, license or possess, or can acquire on reasonable terms, all material patents, patent
rights, licenses, inventions, copyrights, know-how (including trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems or procedures), trademarks, service marks
and trade names currently employed by them in connection with the business now operated by them, and neither the Company nor any of its subsidiaries has received any written notice, or, to the Company’s knowledge, any unwritten threat, of
infringement of or conflict with asserted rights of others with respect to any of the foregoing which, individually or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would have a material adverse effect on the
Company and its subsidiaries, taken as a whole. 

  
 -7- 

 (z) No material labor dispute with the employees of the Company or any of
its subsidiaries exists, except as described in the Time of Sale Memorandum, or, to the knowledge of the Company, is imminent; and the Company is not aware of any existing, threatened or imminent labor disturbance by the employees of any of its
principal suppliers, manufacturers or contractors that could have a material adverse effect on the Company and its subsidiaries, taken as a whole. 

(aa) The Company and each of its subsidiaries are insured by insurers of recognized financial responsibility against such
losses and risks and in such amounts as are generally considered prudent and customary in the businesses in which they are engaged; neither the Company nor any of its subsidiaries has been refused any insurance coverage sought or applied for; and
neither the Company nor any of its subsidiaries has any reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to
continue its business at a cost that would not have a material adverse effect on the Company and its subsidiaries, taken as a whole, except as described in the Time of Sale Memorandum. 

(bb) The Company and its subsidiaries possess all certificates, authorizations and permits issued by the appropriate federal,
state or foreign regulatory authorities necessary to conduct their respective businesses, except as would not, individually or in the aggregate, have a material adverse effect on the Company and its subsidiaries, taken as a whole, and neither the
Company nor any of its subsidiaries has received any notice of proceedings relating to the revocation or modification of any such certificate, authorization or permit which, individually or in the aggregate, if the subject of an unfavorable
decision, ruling or finding, would have a material adverse effect on the Company and its subsidiaries, taken as a whole, except as described in the Time of Sale Memorandum. 

(cc) The Company and its subsidiaries maintain a system of “internal control over financial reporting” (as defined in
Rule 13a-15(f) of the Exchange Act) that complies with the requirements of the Exchange Act and has been designed by, or under the supervision of, its principal executive and principal financial officers, or
persons performing similar functions, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with United States generally accepted accounting
principles (“GAAP”), including, but not limited to, internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management’s general or specific
authorizations; (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain asset accountability; (iii) access to assets is permitted only in accordance with
management’s general or specific authorization; and (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. Except as
described in the Time of Sale Memorandum, since the end of the Company’s most recent audited fiscal year, there has been (i) no material weakness in the Company’s internal control over financial reporting (whether or not remediated)
and (ii) no change in the Company’s internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting. There has been no
failure on the part of the Company or any of the Company’s directors or officers, in their capacities as such, to comply in any material respect with any provision of the Sarbanes-Oxley Act of 2002 and the rules and regulations promulgated in
connection therewith. 

  
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 (dd) Ernst & Young LLP (“EY”), which expressed its
opinion with respect to the financial statements (which term as used in this Agreement includes the related notes thereto) and supporting schedules included in each of the Time of Sale Memorandum and the Final Memorandum, is an independent
registered public accounting firm with respect to the Company within the meaning of the Securities Act and the applicable rules and regulations thereunder adopted by the Commission and the Public Company Accounting Oversight Board (United States).

 (ee) Each employee benefit plan, within the meaning of Section 3(3) of the Employee Retirement Income Security Act of
1974, as amended (“ERISA”), that is maintained, administered or contributed to by the Company or any of its affiliates for employees or former employees of the Company has been maintained in all material respects in compliance with
its terms and the requirements of any applicable statutes, orders, rules and regulations, including ERISA and the Internal Revenue Code of 1986, as amended (the “Code”). No prohibited transaction, within the meaning of
Section 406 of ERISA or Section 4975 of the Code, has occurred with respect to any such plan excluding transactions effected pursuant to a statutory or administrative exemption and transactions with respect to which no material liability
to the Company has occurred or could reasonably be expected to occur, either individually or in the aggregate; and no such plan that is subject to the funding rules of Section 412 of the Code or Section 302 of ERISA has failed to satisfy
the “minimum funding standard” as defined in Section 412 of the Code, whether or not waived. 
 (ff) The
consolidated financial statements (including the related notes) of the Company included or incorporated by reference in the Time of Sale Memorandum and the Final Memorandum present fairly in all material respects the consolidated financial
condition, the consolidated results of operations and the consolidated changes in cash flows of the entities purported to be shown thereby in conformity with GAAP applied on a consistent basis throughout the periods covered thereby, except to the
extent disclosed therein; and the summary and selected historical financial data included or incorporated by reference in the Time of Sale Memorandum and the Final Memorandum present fairly in all material respects the information shown therein and
have been compiled on a basis consistent in all material respects with that of the audited consolidated financial statements set forth in the Time of Sale Memorandum and the Final Memorandum or the unaudited condensed consolidated financial
statements, as the case may be. 
 (gg) The statistical and market and industry-related data included or incorporated by
reference in the Time of Sale Memorandum and the Final Memorandum are based on or derived from sources that the Company reasonably believes to be reliable and accurate in all material respects. 

(hh) (i) The Company is not in violation of its certificate of incorporation or
by-laws or similar organizational documents, (ii) none of the Company’s subsidiaries are in violation of its certificate of incorporation or by-laws or similar
organizational documents and (iii) neither the Company nor any of its subsidiaries is in default in any material respect, and no event has occurred which, with notice or lapse of time or both, would constitute such a default, in the due
performance or observance of any term, covenant or condition contained in any indenture, mortgage, deed of trust, credit agreement or other agreement or instrument to which it is a party or by which it is bound or to which any of its property or
assets is subject, except for any default described in clause (ii) or (iii) above which would not have a material adverse effect on the Company and its subsidiaries, taken as a whole. 

  
 -9- 

 (ii) Except as would not, individually or in the aggregate, have a material
adverse effect, (1) each of the Company and its subsidiaries has timely filed all tax returns that were required to have been filed by it, taking into account any valid extensions thereof, (2) each of the Company and its subsidiaries has
paid all taxes that were required to have been paid by it (including in its capacity as a withholding agent) and any other assessment, fine or penalty levied against it, to the extent that any of the foregoing is due and payable, except for any such
assessment, fine or penalty that is currently being contested in good faith by appropriate proceedings and for which appropriate reserves have been provided in accordance with GAAP, (3) each of the Company and its subsidiaries has made adequate
accruals and reserves (in accordance with GAAP) for all taxes not yet due and payable, and (4) there is no tax deficiency, assessment or other claim that has been, or could reasonably be expected to be, asserted against the Company or any of
its subsidiaries. 
 (jj) Neither the Company nor its controlled affiliates has taken, directly or indirectly, any action
that is designed to or that has constituted or that would reasonably be expected to cause or result in the stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of the Securities. 

(kk) The Company, the Guarantors and their respective affiliates and all persons acting on their behalf (other than the Initial
Purchasers, as to whom the Company and the Guarantors make no representation) have complied with and will comply with the offering restrictions requirements of Regulation S in connection with the offering of the Securities outside the United States
and, in connection therewith, the Time of Sale Memorandum will contain the disclosure required by Rule 902. The Securities sold in reliance on Regulation S will be represented upon issuance by a temporary global security that may not be exchanged
for definitive securities until the expiration of the 40-day restricted period referred to in Rule 903 of the Securities Act and only upon certification of beneficial ownership of such Securities by non-U.S. persons or U.S. persons who purchased such Securities in transactions that were exempt from the registration requirements of the Securities Act. 

(ll) Except as would not, individually or in the aggregate, have a material adverse effect, (i) the Company and each of
its subsidiaries have complied and are presently in compliance with all internal and external privacy policies, contractual obligations, industry standards, applicable laws, statutes, judgments, orders, rules and regulations of any court or
arbitrator or other governmental or regulatory authority and any other legal obligations, in each case, relating to the collection, use, transfer, import, export, storage, protection, disposal and disclosure by the Company or any of its subsidiaries
of personal, personally identifiable, household, sensitive, confidential or regulated data (“Data Security Obligations”, and such data, “Data”); (ii) the Company has not received any notification of or complaint
regarding and is unaware of any other facts that, individually or in the aggregate, would reasonably indicate non-compliance with any Data Security Obligation; and (iii) of there is no action, suit or
proceeding by or before any court or governmental agency, authority or body pending or threatened alleging non-compliance with any Data Security Obligation. 

(mm) Except as would not, individually or in the aggregate, have a material adverse effect, the Company and each of its
subsidiaries have taken all technical and organizational measures necessary to protect the information technology systems and Data used in connection with the operation of the Company’s and its subsidiaries’ businesses. Without limiting
the foregoing, the Company and its subsidiaries have used reasonable efforts to establish and maintain, and have established, maintained, implemented and complied with, reasonable information technology, information security, cyber security and data
protection controls, policies and procedures, including oversight, access controls, encryption, technological and physical safeguards and business continuity/disaster recovery and security plans that are designed to protect against and prevent
breach, destruction, loss, unauthorized distribution, use, access, 

  
 -10- 

 
disablement, misappropriation or modification, or other compromise or misuse of or relating to any information technology system or Data used in connection with the operation of the
Company’s and its subsidiaries’ businesses (“Breach”). There has been no material Breach, and the Company and its subsidiaries have not been notified of and have no knowledge of any event or condition that would reasonably
be expected to result in, any material Breach. 
 (nn) Each of the Company and the Guarantors is, and immediately after the
Closing Date will be, Solvent. As used herein, the term “Solvent” means, with respect to any person on a particular date, that on such date (i) the fair market value of the assets of such person is greater than the total amount of
liabilities (including contingent liabilities) of such person, (ii) the present fair salable value of the assets of such person is greater than the amount that will be required to pay the probable liabilities of such person on its debts as they
become absolute and matured, (iii) such person is able to realize upon its assets and pay its debts and other liabilities, including contingent obligations, as they mature and (iv) such person does not have unreasonably small capital. 

2. Agreements to Sell and Purchase. Each of the Company and the Guarantors hereby agrees to issue and sell to the Initial Purchasers,
and each Initial Purchaser, upon the basis of the representations and warranties herein contained, but subject to the conditions hereinafter stated, agrees, severally and not jointly, to purchase from the Company and the Guarantors the respective
principal amount of Securities set forth in Schedule I hereto opposite its name at a purchase price of 99.00% of the principal amount thereof (the “Purchase Price”), plus accrued and unpaid interest, if any, from October 6,
2021 to the Closing Date (as defined below). 
 3. Terms of Offering. You have advised the Company that the Initial Purchasers will
make an offering of the Securities purchased by the Initial Purchasers hereunder as soon as practicable after this Agreement is entered into as in your judgment is advisable. 

4. Payment and Delivery. Payment for the Securities shall be made to the Company in Federal or other funds immediately available in New
York City against delivery of such Securities for the respective accounts of the several Initial Purchasers at 10:00 a.m., New York City time, on October 6, 2021, or at such other time on the same or such other date, not later than
October 13, 2021, as shall be designated in writing by Morgan Stanley & Co. LLC. The time and date of such payment are hereinafter referred to as the “Closing Date.” Such delivery and payment shall be made at the
offices of Cahill Gordon & Reindel LLP, 32 Old Slip, New York, New York 10005 (or such other place as may be agreed to by the Company and Morgan Stanley & Co. LLC). 

The Securities shall be in definitive form or global form, as specified by the Representative, and registered in such names and in such
denominations as the Representative shall request in writing not later than one full business day prior to the Closing Date. The Securities shall be delivered to the Representative on the Closing Date for the respective accounts of the Initial
Purchasers, with any transfer taxes payable in connection with the transfer of the Securities to the Initial Purchasers duly paid, against payment of the Purchase Price therefor plus accrued interest, if any, to the date of payment and delivery.
Time shall be of the essence, and delivery at the time and place specified in this Agreement is a condition to the obligations of the Initial Purchasers. 

5. Conditions to the Initial Purchasers’ Obligations. The several obligations of the Initial Purchasers to purchase and pay for
the Securities as provided herein on the Closing Date are subject to the satisfaction or waiver, as determined by the Representative in its sole discretion of the following conditions precedent on or prior to the Closing Date: 

  
 -11- 

 (a) Subsequent to the execution and delivery of this Agreement and prior to
the Closing Date: 
 (i) there shall not have occurred any downgrading, nor shall any notice have been given of any intended
or potential downgrading or of any review for a possible change that does not indicate the direction of the possible change, in the rating accorded the Company or any of the securities of the Company or any of its subsidiaries by any
“nationally recognized statistical rating organization,” as such term is defined in Section 3(a) (62) of the Exchange Act; and 

(ii) there shall not have occurred any change, or any development involving a prospective change, in the condition, financial
or otherwise, or in the earnings, business or operations of the Company and its subsidiaries, taken as a whole, from that set forth in the Time of Sale Memorandum provided to the prospective purchasers of the Securities that, in your judgment, is
material and adverse and that makes it, in your judgment, impracticable to market the Securities on the terms and in the manner contemplated in the Time of Sale Memorandum. 

(b) The representations and warranties of the Company and the Guarantors contained in this Agreement shall be true and correct
on and as of the Time of Sale and on and as of the Closing Date as if made on and as of the Closing Date; the statements of the Company’s officers made pursuant to any certificate delivered in accordance with the provisions hereof shall be true
and correct on and as of the date made and on and as of the Closing Date; the Company and the Guarantors shall have performed all covenants and agreements and satisfied all conditions on its/their part to be performed or satisfied hereunder at or
prior to the Closing Date. 
 (c) The Initial Purchasers shall have received on the Closing Date a certificate, dated the
Closing Date and signed by the Chief Executive Officer or President of the Company and each Guarantor and the Chief Financial Officer or Chief Accounting Officer of the Company and each Guarantor to the effect set forth in Section 5(a)(i) and
5(a)(ii), and further to the effect that the representations and warranties of the Company and the Guarantors contained in this Agreement were true and correct as of the Time of Sale and are true and correct as of the Closing Date; that the Company
and the Guarantors have complied with all of the agreements and satisfied all of the conditions on their part to be performed or satisfied hereunder on or before the Closing Date. Each of the executive officers signing and delivering such
certificates may rely upon the best of his or her knowledge as to proceedings threatened. 
 (d) The Initial Purchasers shall
have received on the Closing Date an opinion and negative assurance letter of Foley & Lardner LLP, outside counsel for the Company and each of the Guarantors listed on Schedule III-A hereto, each
dated the Closing Date and each in form and substance satisfactory to the Initial Purchasers. 
 (e) The Initial Purchasers
shall have received on the Closing Date an opinion of M. Kristin Glazner, General Counsel for the Company, dated the Closing Date, in form and substance satisfactory to the Initial Purchasers. 

(f) The Initial Purchasers shall have received on the Closing Date an opinion and negative assurance letter of Cahill
Gordon & Reindel LLP, counsel for the Initial Purchasers, dated the Closing Date, with respect to such matters as may be reasonably requested by the Initial Purchasers. 

  
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 (g) On the date hereof, the Initial Purchasers shall have received from EY,
the independent registered public accounting firm for the Company, a “comfort letter” dated the date hereof addressed to the Initial Purchasers, in form and substance satisfactory to the Representative, covering the financial information
of the Company contained in or incorporated by reference into the Time of Sale Memorandum and other customary matters. In addition, on the Closing Date, the Initial Purchasers shall have received from such accountants a “bring-down comfort
letter” dated the Closing Date addressed to the Initial Purchasers, in form and substance satisfactory to the Representative, in the form of the “comfort letter” delivered on the date hereof, except that (i) it shall cover the
financial information in the Final Memorandum and any amendment or supplement thereto and (ii) procedures shall be brought down to a date no more than 3 days prior to the Closing Date. 

(h) The Company and the Guarantors shall have executed and delivered the Indenture, in form and substance reasonably
satisfactory to the Initial Purchasers, and the Initial Purchasers shall have received executed copies thereof. 
 (i) The
sale of the Securities shall not be enjoined (temporarily or permanently) on the Closing Date. 
 (j) On or before the
Closing Date, the Initial Purchasers and counsel for the Initial Purchasers shall have received such information, documents, letters and opinions as they may reasonably require for the purposes of enabling them to pass upon the issuance and sale of
the Securities as contemplated herein, or in order to evidence the accuracy of any of the representations and warranties, or the satisfaction of any of the conditions or agreements, herein contained. 

If any condition specified in this Section 5 is not satisfied when and as required to be satisfied, this Agreement may be terminated by
the Representative by notice to the Company at any time on or prior to the Closing Date, which termination shall be without liability on the part of any party to any other party, except that Sections 6(g), 8 and 11 hereof shall at all times be
effective and shall survive such termination. 
 6. Covenants of the Company. Each of the Company and the Guarantors covenants with
each Initial Purchaser as follows: 
 (a) To furnish to you in New York City, without charge, as promptly as practicable
following the Time of Sale and in any event not later than the second business day following the date hereof and during the period mentioned in Section 6(d) or (e), as many copies of the Time of Sale Memorandum, the Final Memorandum, any
documents incorporated by reference therein and any supplements and amendments thereto as you may reasonably request. 
 (b)
Before amending or supplementing the Preliminary Memorandum, the Time of Sale Memorandum or the Final Memorandum, to furnish to you a copy of each such proposed amendment or supplement and not to use any such proposed amendment or supplement to
which you reasonably object; provided that the Company shall have the right to file with the Commission any report required to be filed by the Company under the Exchange Act no later than the time period required by the Exchange Act. 

(c) To furnish to you a copy of each proposed Additional Written Offering Communication to be prepared by or on behalf of, used
by, or referred to by the Company and not to use or refer to any proposed Additional Written Offering Communication to which you reasonably object. 

  
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 (d) If the Time of Sale Memorandum is being used to solicit offers to buy
the Securities at a time when the Final Memorandum is not yet available to prospective purchasers and any event shall occur or condition exist as a result of which it is necessary to amend or supplement the Time of Sale Memorandum in order to make
the statements therein, in the light of the circumstances under which they are made, not misleading or if, in the judgment of the Representative or counsel for the Initial Purchasers, it is necessary to amend or supplement the Time of Sale
Memorandum to comply with applicable law, forthwith to prepare and furnish, at its own expense, to the Initial Purchasers and to any dealer upon request, either amendments or supplements to the Time of Sale Memorandum so that the statements in the
Time of Sale Memorandum as so amended or supplemented will not, in the light of the circumstances under which they are made, when delivered to a Subsequent Purchaser, be misleading or so that the Time of Sale Memorandum, as amended or supplemented,
will comply with applicable law. 
 (e) If, during such period after the date hereof and prior to the date on which all of
the Securities shall have been sold by the Initial Purchasers, any event shall occur or condition exist as a result of which it is necessary to amend or supplement the Final Memorandum in order to make the statements therein, in the light of the
circumstances under which they are made, not misleading or if, in the judgment of the Representative or counsel for the Initial Purchasers, it is necessary to amend or supplement the Final Memorandum to comply with applicable law, forthwith to
prepare and furnish, at its own expense, to the Initial Purchasers, either amendments or supplements to the Final Memorandum so that the statements in the Final Memorandum as so amended or supplemented will not, in the light of the circumstances
under which they are made, when delivered to a Subsequent Purchaser, be misleading or so that the Final Memorandum, as amended or supplemented, will comply with applicable law. 

(f) (i) To cooperate with the Representative and counsel for the Initial Purchasers to qualify (or to obtain exemptions
from) all or any part of the Securities for offer and sale under the securities laws of the several states of the United States, the provinces of Canada or any other jurisdictions designated by the Initial Purchasers, and to comply with such laws
and to continue such qualifications and exemptions in effect so long as required for the distribution of the Securities and (ii) to advise the Representative promptly of the suspension of the qualification of (or any such exemption relating to)
the Securities for offering, sale or trading in any jurisdiction or any initiation or threat of any proceeding for any such purpose, and in the event of the issuance of any order suspending such qualification or exemption, to use its commercially
reasonable efforts to obtain the withdrawal thereof at the earliest possible moment. Notwithstanding the foregoing, none of the Company or any of the Guarantors shall be required to qualify as a foreign corporation or to take any action that would
subject it to general service of process in any such jurisdiction where it is not presently qualified or where it would be subject to taxation as a foreign corporation. 

(g) Whether or not the transactions contemplated in this Agreement are consummated or this Agreement is terminated, to pay or
cause to be paid all expenses incident to the performance of its obligations under this Agreement, including: (i) the fees, disbursements and expenses of the Company’s counsel and the Company’s accountants and other advisors in
connection with the issuance and sale of the Securities and all other fees or expenses in connection with the issuance and sale of the Securities, including, without limitation, in connection with the preparation, printing, filing, shipping and
distribution of the Preliminary Memorandum, the Time of Sale Memorandum, the Final Memorandum, any Additional Written 

  
 -14- 

 
Offering Communication and any amendments and supplements to any of the foregoing, this Agreement, the Indenture and the Securities, including all printing costs associated therewith, and the
delivering of copies thereof to the Initial Purchasers, (ii) all costs and expenses related to the transfer and delivery of the Securities to the Initial Purchasers, and any issue, transfer, stamp and similar taxes payable in respect of the
sale of the Securities to the Initial Purchasers and the resale of the Securities by the Initial Purchasers to the Subsequent Purchasers, (iii) the cost of printing or producing any Blue Sky or legal investment memorandum in connection with the
offer and sale of the Securities under state securities laws and all expenses in connection with the qualification of the Securities for offer and sale under state securities laws as provided in Section 6(f) hereof, including filing fees and
the reasonable fees and disbursements of counsel for the Initial Purchasers in connection with such qualification and in connection with the Blue Sky or legal investment memorandum, provided that such costs, expenses and fees for any Blue Sky or
Legal Investment memorandum do not exceed $5,000, (iv) any fees charged by rating agencies for the rating of the Securities, (v) the fees and expenses, if any, incurred in connection with the admission of the Securities for trading any
appropriate market system, (vi) the costs and charges of the Trustee and any transfer agent, registrar or depositary, (vii) the cost of the preparation, issuance and delivery of the Securities, (viii) the costs and expenses of the
Company relating to investor presentations on any “road show” undertaken in connection with the marketing of the offering of the Securities including, without limitation, expenses associated with the preparation or dissemination of any
electronic road show, expenses associated with production of road show slides and graphics, fees and expenses of any consultants engaged in connection with the road show presentations with the prior approval of the Company, travel and lodging
expenses of the representatives and officers of the Company and any such consultants, and 50% of the cost of any aircraft chartered in connection with the road show, (ix) the document production charges and expenses associated with printing
this Agreement and (x) all other cost and expenses incident to the performance of the obligations of the Company hereunder for which provision is not otherwise made in this Section. It is understood, however, that except as provided in this
Section, Section 8, and the last paragraph of Section 11, the Initial Purchasers will pay all of their costs and expenses, including fees and disbursements of their counsel, payable on resale of any of the Securities by them and any
advertising expenses connected with any offers they may make. 
 (h) Neither the Company nor any Affiliate will sell, offer
for sale or solicit offers to buy or otherwise negotiate in respect of any security (as defined in the Securities Act) which if, as a result of the doctrine of “integration” referred to in Rule 502 under the Securities Act, such offer or
sale would render invalid (for the purpose of (i) the sale of the Securities by the Company to the Initial Purchasers or (ii) the resale of the Securities by the Initial Purchasers to the Subsequent Purchasers) the exemption from the
registration requirements of the Securities Act provided by Section 4(a)(2) thereof or by Rule 144A or by Regulation S thereunder. 

(i) Not to solicit any offer to buy or offer to sell the Securities by means of any form of general solicitation or general
advertising (as those terms are used in Regulation D under the Securities Act) or in any manner involving a public offering within the meaning of Section 4(a)(2) of the Securities Act. 

(j) (i) For so long as any of the Securities remain outstanding, to furnish to the Initial Purchasers copies of all
reports and other communications (financial or otherwise) furnished by the Company to the Trustee or to the holders of the Securities; provided, however, that the filing of any such reports or other communications with EDGAR shall
satisfy the requirements of this provision; (ii) prior to the Closing Date, to furnish to the Initial Purchasers, as soon as they have been prepared, a copy of any audited annual financial statements or unaudited interim financial statements of
the Company for any period subsequent to the period covered by the most recent 

  
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financial statements appearing in the Time of Sale Memorandum and the Final Memorandum; and (iii) while any of the Securities remain restricted, to make available, upon request, to any
holder of such Securities and any prospective purchasers thereof the information specified in Rule 144A(d)(4) under the Securities Act, unless at such time the Company shall be subject to Section 13 or 15(d) of the Exchange Act and shall have
filed all reports required to be filed pursuant to such Sections and the related rules and regulations of the Commission. 

(k) During the period of one year after the Closing Date, the Company will not be, nor will it become, an open-end investment company, unit investment trust or face-amount certificate company that is or is required to be registered under Section 8 of the Investment Company Act. 

(l) None of the Company, its Affiliates or any person acting on its or their behalf (other than the Initial Purchasers) will
engage in any directed selling efforts (as that term is defined in Regulation S) with respect to the Securities, and the Company and its Affiliates and each person acting on its or their behalf (other than the Initial Purchasers) will comply with
the offering restrictions requirement of Regulation S. 
 (m) The Company will not, and will not permit any person that is an
affiliate (as defined in Rule 144 under the Securities Act) at such time (or has been an affiliate within the three months preceding such time) to, resell any of the Securities that have been acquired by any of them. 

(n) Not to take any action prohibited by Regulation M under the Exchange Act in connection with the distribution of the
Securities contemplated hereby. 
 (o) To apply the net proceeds from the sale of the Securities in the manner described
under the caption “Use of Proceeds” in the Time of Sale Memorandum and the Final Memorandum. 
 (p) During the
period of 90 days following the date hereof, the Company will not and will not permit any of its subsidiaries to, without the prior written consent of Morgan Stanley & Co. LLC (which consent may be withheld at the sole discretion of Morgan
Stanley & Co. LLC), directly or indirectly, sell, offer, contract or grant any option to sell, pledge, transfer or establish an open “put equivalent position” within the meaning of Rule
16a-1 under the Exchange Act, or otherwise dispose of or transfer, or announce the offering of, or file any registration statement under the Securities Act in respect of, any debt securities of the Company or
any subsidiary of the Company or securities exchangeable for or convertible into debt securities of the Company or any subsidiary of the Company (other than as contemplated by this Agreement). 

7. Offering of Securities; Restrictions on Transfer. 

(a) Each Initial Purchaser, severally and not jointly, represents and warrants that such Initial Purchaser is a qualified institutional buyer
as defined in Rule 144A under the Securities Act (a “QIB”). Each Initial Purchaser, severally and not jointly, agrees with the Company that (i) it will not solicit offers for, or offer or sell, such Securities by any form of
general solicitation or general advertising (as those terms are used in Regulation D under the Securities Act) or in any manner involving a public offering within the meaning of Section 4(a)(2) of the Securities Act, (ii) it will sell such
Securities in the United States only to persons that it reasonably believes to be QIBs, and (iii) in the case of offers outside the United States it will solicit offers for such Securities only from, and will offer such Securities only to,
persons that it reasonably believes to be persons other than U.S. persons (“foreign purchasers,” which 

  
 -16- 

 
term shall include dealers or other professional fiduciaries in the United States acting on a discretionary basis for foreign beneficial owners (other than an estate or trust)) in reliance upon
Regulation S under the Securities Act that, in each case, in purchasing such Securities are deemed to have represented and agreed as provided in the Final Memorandum under the caption “Notice to Investors.” 

(b) Each Initial Purchaser, severally and not jointly, represents, warrants, and agrees (on behalf of itself and any person acting on their
behalf) with respect to offers and sales outside the United States that: 
 (i) such Initial Purchaser understands that no
action has been or will be taken in any jurisdiction by the Company that would permit a public offering of the Securities, or possession or distribution of the Preliminary Memorandum, the Time of Sale Memorandum, the Final Memorandum or any other
offering or publicity material relating to the Securities, in any country or jurisdiction where action for that purpose is required; 

(ii) such Initial Purchaser will comply with all applicable laws and regulations in each jurisdiction in which it acquires,
offers, sells or delivers Securities or has in its possession or distributes the Preliminary Memorandum, the Time of Sale Memorandum, the Final Memorandum or any such other material, in all cases at its own expense; 

(iii) the Securities have not been registered under the Securities Act and may not be offered or sold within the United States
or to, or for the account or benefit of, U.S. persons except in accordance with Rule 144A or Regulation S under the Securities Act; 

(iv) such Initial Purchaser has offered the Securities and will offer and sell the Securities (A) as part of its
distribution at any time and (B) otherwise until 40 days after the later of the commencement of the offering and the Closing Date, only in accordance with Rule 903 of Regulation S or as otherwise permitted in Section 7(a); accordingly,
neither such Initial Purchaser, its Affiliates nor any persons acting on its or their behalf have engaged or will engage in any directed selling efforts (within the meaning of Regulation S) with respect to the Securities, and any such Initial
Purchaser, its Affiliates and any such persons have complied and will comply with the offering restrictions requirement of Regulation S; 

(v) such Initial Purchaser, in relation to each Member State of the European Economic Area and the United Kingdom (each, a
“Relevant State”), has not made and will not make an offer of Securities to the public in that Member State, other than: 

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

(B) to fewer than 150 natural or legal persons (other than qualified investors as defined under the Prospectus Regulation),
subject to obtaining the prior consent of Morgan Stanley & Co. LLC on behalf of the Initial Purchasers for any such offer; or 

(C) in any other circumstances falling within Article 1(4) of the Prospectus Regulation, 

provided that no such offer of Securities shall require the Company or any Initial Purchaser to publish a prospectus pursuant to Article 3 of
the Prospectus Regulation or supplement a prospectus pursuant to Article 23 of the Prospectus Regulation. 

  
 -17- 

 For the purposes of the above, the expression an “offer of Securities to the public” in relation
to the Securities in any Relevant State means the communication in any form and by any means of sufficient information on the terms of the offer and any Securities to be offered so as to enable an investor to decide to purchase or subscribe for any
Securities, and the expression “Prospectus Regulation” means Regulation (EU) 2017/1129. 
 (vi) such Initial
Purchaser has represented and agreed that it has only communicated or caused to be communicated and will only communicate or cause to be communicated an invitation or inducement to engage in investment activity (within the meaning of Section 21
of the Financial Services and Markets Act 2000) received by it in connection with the issue or sale of the Securities in circumstances in which Section 21(1) of such Act does not apply to us and it has complied and will comply with all
applicable provisions of such Act with respect to anything done by it in relation to any Securities in, from or otherwise involving the United Kingdom; 

(vii) such Initial Purchaser understands that the Securities have not been and will not be registered under the Securities and
Exchange Law of Japan, and represents that it has not offered or sold, and agrees not to offer or sell, directly or indirectly, any Securities in Japan or for the account of any resident thereof except pursuant to any exemption from the registration
requirements of the Securities and Exchange Law of Japan and otherwise in compliance with applicable provisions of Japanese law; and 

(viii) such Initial Purchaser agrees that, at or prior to confirmation of sales of the Securities, it will have sent to each
distributor, dealer or person receiving a selling concession, fee or other remuneration that purchases Securities from it during the restricted period a confirmation or notice to substantially the following effect: 

“The Securities covered hereby have not been registered under the U.S. Securities Act of 1933 (the “Securities Act”) and may
not be offered and sold within the United States or to, or for the account or benefit of, U.S. persons (i) as part of their distribution at any time or (ii) otherwise until 40 days after the later of the commencement of the offering and
the Closing Date, except in either case in accordance with Regulation S (or Rule 144A if available) under the Securities Act. Terms used above have the meaning given to them by Regulation S.” 

Terms used in this Section 7(b) have the meanings given to them by Regulation S. 

8. Indemnity and Contribution. 

(a) Each of the Company and the Guarantors, jointly and severally, agrees to indemnify and hold harmless each Initial Purchaser, its directors
and officers and each person, if any, who controls any Initial Purchaser within the meaning of either Section 15 of the Securities Act or Section 20 of the Exchange Act, and each affiliate of each Initial Purchaser within the meaning of
Rule 405 under the Securities Act from and against any and all losses, claims, damages and liabilities (including, without limitation, any legal or other expenses reasonably incurred in connection with defending or investigating any such action or
claim, as such expenses are incurred) that arise out of, or are based upon, any untrue statement or alleged untrue statement of a material fact contained in the Preliminary Memorandum, the Time of Sale Memorandum, any Additional Written Offering
Communication prepared by or on behalf of, used by, or referred to by the Company, or the Final Memorandum or any amendment or supplement thereto, or arise out of, or are based upon, any omission or alleged omission to state therein a material fact
necessary to make the statements therein in the light of the circumstances under which they were made not misleading, except insofar as such losses, claims, damages or liabilities arise out of, or are based upon, any such untrue statement or
omission or alleged untrue statement or omission made in reliance 

  
 -18- 

 
upon and in conformity with any information relating to any Initial Purchaser furnished to the Company by such Initial Purchaser through the Representative expressly for use in the Preliminary
Memorandum, the Pricing Supplement, any Additional Written Offering Communication or the Final Memorandum (or any amendment or supplement thereto), it being understood and agreed that the only such information furnished by such Initial Purchaser
through the Representative consists of the information described as such in paragraph (b) below. The indemnity agreement set forth in this Section 8(a) shall be in addition to any liabilities that the Company and the Guarantors may
otherwise have. 
 (b) Each Initial Purchaser agrees, severally and not jointly, to indemnify and hold harmless the Company, each Guarantor,
each of their respective directors, officers and each person, if any, who controls the Company or any Guarantor within the meaning of either Section 15 of the Securities Act or Section 20 of the Exchange Act to the same extent as the
foregoing indemnity from the Company to such Initial Purchaser, but only with reference to information relating to such Initial Purchaser furnished to the Company by such Initial Purchaser through the Representative expressly for use in the
Preliminary Memorandum, the Pricing Supplement, any Additional Written Offering Communication or the Final Memorandum (or any amendment or supplement thereto). Each of the Company and the Guarantors hereby acknowledges that the only information that
the Initial Purchasers through the Representative have furnished to the Company expressly for use in the Preliminary Memorandum, the Time of Sale Memorandum, any Additional Written Communication set forth in Schedule II hereto or the Final
Memorandum (or any amendment or supplement thereto) are the statements set forth in the first five sentences of the sixth paragraph and the third and fourth sentences of the ninth paragraph under the caption “Plan of Distribution” in the
Preliminary Memorandum and the Final Memorandum. The indemnity agreement set forth in this Section 8(b) shall be in addition to any liabilities that each Initial Purchaser may otherwise have. 

(c) In case any proceeding (including any governmental investigation) shall be instituted involving any person in respect of which indemnity
may be sought pursuant to Section 8(a) or 8(b), such person (the “indemnified party”) shall promptly notify the person against whom such indemnity may be sought (the “indemnifying party”) in writing; provided,
however, that the failure to so notify the indemnifying party will not relieve it from any liability which it may have to any indemnified party under this Section 8 except to the extent that it has been materially prejudiced by such failure
(through the forfeiture of substantive rights and defenses). The indemnifying party, upon request of the indemnified party, shall retain counsel reasonably satisfactory to the indemnified party to represent the indemnified party and any others the
indemnifying party may designate in such proceeding and shall pay the reasonably incurred fees and disbursements of such counsel related to such proceeding. In any such proceeding, any indemnified party shall have the right to retain its own
counsel, but the fees and expenses of such counsel shall be at the expense of such indemnified party unless (i) the indemnifying party and the indemnified party shall have mutually agreed to the retention of such counsel, (ii) the
indemnifying party has failed within a reasonable time to retain counsel reasonably satisfactory to the indemnified party, (iii) the named parties to any such proceeding (including any impleaded parties) include both the indemnifying party and
the indemnified party and representation of both parties by the same counsel would be inappropriate due to actual or potential differing interests between them or (iv) the indemnified party shall have reasonably concluded that there may be
legal defenses available to it that are different from or in addition to those available to the indemnifying party. It is understood that the indemnifying party shall not, in respect of the legal expenses of any indemnified party in connection with
any proceeding or related proceedings in the same jurisdiction, be liable for the fees and expenses of more than one separate firm (in addition to any local counsel) for all such indemnified parties and that all such fees and expenses shall be
reimbursed as they are incurred. Such firm shall be designated in writing by Morgan Stanley & Co. LLC, in the case of parties indemnified pursuant to Section 8(a), and by the Company, in the case of parties indemnified pursuant to
Section 8(b). The indemnifying party shall not be liable for any settlement of any proceeding effected without its written consent, but if settled with such 

  
 -19- 

 
consent or if there be a final judgment for the plaintiff, the indemnifying party agrees to indemnify the indemnified party from and against any loss, damage, liability or reasonable expense by
reason of such settlement or judgment. Notwithstanding the foregoing sentence, if at any time an indemnified party shall have requested an indemnifying party to reimburse the indemnified party for fees and expenses of counsel as contemplated by the
second and third sentences of this paragraph, the indemnifying party agrees that it shall be liable for any settlement of any proceeding effected without its written consent if (i) such settlement is entered into more than 30 days after receipt
by such indemnifying party of the aforesaid request and (ii) such indemnifying party shall not have reimbursed the indemnified party in accordance with such request prior to the date of such settlement. No indemnifying party shall, without the
prior written consent of the indemnified party, effect any settlement of any pending or threatened proceeding in respect of which any indemnified party is or could have been a party and indemnity could have been sought hereunder by such indemnified
party, unless such settlement includes an unconditional release of such indemnified party from all liability on claims that are the subject matter of such proceeding and does not include any statements as to or any findings of fault, culpability or
failure to act by or on behalf of any indemnified party. 
 (d) To the extent the indemnification provided for in Section 8(a) or 8(b)
is unavailable to an indemnified party or insufficient in respect of any losses, claims, damages, liabilities or reasonable expenses referred to therein, then each indemnifying party under such paragraph, in lieu of indemnifying such indemnified
party thereunder, shall contribute to the amount paid or payable by such indemnified party as a result of such losses, claims, damages, liabilities or reasonable expenses (i) in such proportion as is appropriate to reflect the relative benefits
received by the Company and the Guarantors on the one hand and the Initial Purchasers on the other hand from the offering of the Securities or (ii) if the allocation provided by clause 8(d)(i) above is not permitted by applicable law, in such
proportion as is appropriate to reflect not only the relative benefits referred to in clause 8(d)(i) above but also the relative fault of the Company and the Guarantors on the one hand and of the Initial Purchasers on the other hand in connection
with the statements or omissions that resulted in such losses, claims, damages or liabilities, as well as any other relevant equitable considerations. The relative benefits received by the Company and the Guarantors on the one hand and the Initial
Purchasers on the other hand in connection with the offering of the Securities shall be deemed to be in the same respective proportions as the net proceeds from the offering of the Securities (before deducting expenses) received by the Company and
the total discounts and commissions received by the Initial Purchasers bear to the aggregate offering price of the Securities. The relative fault of the Company and the Guarantors on the one hand and of the Initial Purchasers on the other hand shall
be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information supplied by the Company or the Guarantors, or by
the Initial Purchasers, and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The Initial Purchasers’ respective obligations to contribute pursuant to this
Section 8 are several in proportion to the respective principal amount of Securities they have purchased hereunder as set forth opposite their names in Schedule I hereto, and not joint. 

(e) The Company and the Guarantors and the Initial Purchasers agree that it would not be just or equitable if contribution pursuant to
Section 8(d) were determined by pro rata allocation (even if the Initial Purchasers were treated as one entity for such purpose) or by any other method of allocation that does not take account of the equitable considerations referred to
in Section 8(d). The amount paid or payable by an indemnified party as a result of the losses, claims, damages and liabilities referred to in Section 8(d) shall be deemed to include, subject to the limitations set forth above, any legal or
other expenses reasonably incurred by such indemnified party in connection with investigating or defending any such action or claim. Notwithstanding the provisions of this subsection (e), no Initial Purchaser shall be obligated to make contributions
hereunder that in the aggregate exceed the total discounts, commissions and other compensation received by such Initial Purchaser under this Agreement, less the 

  
 -20- 

 
aggregate amount of any damages that such Initial Purchaser has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person
guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The remedies provided for in this
Section 8 are not exclusive and shall not limit any rights or remedies which may otherwise be available to any indemnified party at law or in equity. 

(f) The indemnity and contribution provisions contained in this Section 8 and the representations, warranties and other statements of the
Company contained in this Agreement shall remain operative and in full force and effect regardless of (i) any termination of this Agreement, (ii) any investigation made by or on behalf of any Initial Purchaser, any person controlling any
Initial Purchaser or any affiliate of any Initial Purchaser or by or on behalf of the Company, its officers or directors or any person controlling the Company and (iii) acceptance of and payment for any of the Securities. 

9. Termination. The Initial Purchasers may terminate this Agreement by notice given by you to the Company, if after the execution and
delivery of this Agreement and prior to the Closing Date (i) trading generally shall have been suspended or materially limited on, or by, as the case may be, any of the New York Stock Exchange, the NYSE MKT or the NASDAQ Global Market,
(ii) trading of any securities of the Company shall have been suspended on any exchange or in any over the counter market, (iii) a material disruption in securities settlement, payment or clearance services in the United States or other
relevant jurisdiction shall have occurred, (iv) any moratorium on commercial banking activities shall have been declared by Federal or New York State or relevant foreign country authorities or (v) there shall have occurred any outbreak or
escalation of hostilities, or any change in financial markets, currency exchange rates or controls or any calamity or crisis that, in your judgment, is material and adverse and which, singly or together with any other event specified in this clause
(v), makes it, in your judgment, impracticable or inadvisable to proceed with the offer, sale or delivery of the Securities on the terms and in the manner contemplated in the Time of Sale Memorandum or the Final Memorandum. 

10. Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the
parties hereto. 
 If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it
has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth
opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as
may be specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or
refused to purchase on the Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an
amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or
refuse to purchase Securities which it has or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than
one-tenth of the aggregate principal amount of Securities to be purchased on the Closing Date, and arrangements satisfactory to the non-defaulting Initial Purchasers and
the Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser or of the
Company or any Guarantor except that the provisions of Sections 6(g), 8 and 11 hereof shall at all times 

  
 -21- 

 
be effective and shall survive such termination. In any such case either the Representative or the Company shall have the right to postpone the Closing Date, but in no event for longer than seven
days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to
include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser
under this Agreement. 
 11. Reimbursement of the Expenses of the Initial Purchasers. If this Agreement shall be terminated by the
Representative pursuant to Section 9 or because of any failure or refusal on the part of the Company to comply with the terms or to fulfill any of the conditions of this Agreement, or if for any reason the Company shall be unable to perform its
obligations under this Agreement, the Company will reimburse the Initial Purchasers, severally, upon demand for all documented out of pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial
Purchasers in connection with this Agreement or the offering contemplated hereunder. 
 12. Entire Agreement. 

(a) This Agreement, together with any contemporaneous written agreements that relate to the offering of the Securities, represents the entire
agreement between the Company and the Initial Purchasers with respect to the preparation of the Preliminary Memorandum, the Time of Sale Memorandum, the Final Memorandum, the conduct of the offering, and the purchase and sale of the Securities. 

(b) This Agreement supersedes all prior agreements and understandings (whether written or oral) between the Company, the Guarantors and the
Initial Purchasers, or any of them, with respect to the subject matter hereof. 
 (c) The Company acknowledges that in connection with the
offering of the Securities: (i) the Initial Purchasers have acted at arm’s length, are not agents of, and owe no fiduciary duties to, the Company, the Guarantors or any other person, (ii) the Initial Purchasers owe the Company only
those duties and obligations set forth in this Agreement and prior written agreements (to the extent not superseded by this Agreement) if any, (iii) the Initial Purchasers may have interests that differ from those of the Company and the
Guarantors, and (iv) the Initial Purchasers have not provided any legal, accounting, regulatory or tax advice with respect to the offering contemplated hereby, and the Company and the Guarantors have consulted their own legal, accounting,
regulatory and tax advisors to the extent they deemed appropriate. The Company and the Guarantors waive to the full extent permitted by applicable law any claims they may have against the Initial Purchasers arising from an alleged breach of
fiduciary duty in connection with the offering of the Securities. 
 13. Recognition of the U.S. Special Resolution Regimes.
(a) In the event that any Initial Purchaser that is a Covered Entity becomes subject to a proceeding under a U.S. Special Resolution Regime, the transfer from such Initial Purchaser of this Agreement, and any interest and obligation in or under
this Agreement, will be effective to the same extent as the transfer would be effective under the U.S. Special Resolution Regime if this Agreement, and any such interest and obligation, were governed by the laws of the United States or a state of
the United State. 
 (b) In the event that any Initial Purchaser that is a Covered Entity or a BHC Act Affiliate of such
Initial Purchaser becomes subject to a proceeding under a U.S. Special Resolution Regime, Default Rights under this Agreement that may be exercised against such Initial Purchaser are permitted to be exercised to no greater extent than such Default
Rights could be exercised under the U.S. Special Resolution Regime if this Agreement were governed by the laws of the United States or a state of the United States. 

  
 -22- 

 For purposes of this Section a “BHC Act Affiliate” has the meaning assigned
to the term “affiliate” in, and shall be interpreted in accordance with, 12 U.S.C. § 1841(k). “Covered Entity” means any of the following: (i) a “covered entity” as that term is defined in, and
interpreted in accordance with, 12 C.F.R. § 252.82(b); (ii) a “covered bank” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 47.3(b); or (iii) a “covered FSI” as that term is defined in,
and interpreted in accordance with, 12 C.F.R. § 382.2(b). “Default Right” has the meaning assigned to that term in, and shall be interpreted in accordance with, 12 C.F.R. §§ 252.81, 47.2 or 382.1, as applicable.
“U.S. Special Resolution Regime” means each of (i) the Federal Deposit Insurance Act and the regulations promulgated thereunder and (ii) Title II of the Dodd-Frank Wall Street Reform and Consumer Protection Act and the
regulations promulgated thereunder. 
 14. Counterparts. This Agreement may be executed in one or more counterparts, each of which
shall constitute an original and all of which together shall constitute one and the same instrument. Any signature to this Agreement may be delivered by facsimile, electronic mail (including pdf) or any electronic signature complying with the U.S.
Federal ESIGN Act of 2000 or the New York Electronic Signature and Records Act or other transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes to the
fullest extent permitted by applicable law. Each of the parties hereto represents and warrants to the other parties that it has the capacity and authority to execute this Agreement through electronic means. 

15. Successors. This Agreement will inure to the benefit of and be binding upon the parties hereto, and to the benefit of the
indemnified parties referred to in Section 8 hereof, and in each case their respective successors, and no other person will have any right or obligation hereunder. The term “successors” shall not include any Subsequent Purchaser or
other purchaser of the Securities as such from any of the Initial Purchasers merely by reason of such purchase. 
 16. Partial
Unenforceability. The invalidity or unenforceability of any section, paragraph or provision of this Agreement shall not affect the validity or enforceability of any other section, paragraph or provision hereof. If any section, paragraph or
provision of this Agreement is for any reason determined to be invalid or unenforceable, there shall be deemed to be made such minor changes (and only such minor changes) as are necessary to make it valid and enforceable. 

17. Authority of the Representative. Any action by the Initial Purchasers hereunder may be taken by the Representative on behalf of the
Initial Purchasers, and any such action taken by the Representative shall be binding upon the Initial Purchasers. 
 18. Applicable
Law. This Agreement shall be governed by and construed in accordance with the internal laws of the State of New York. 
 (a) Any legal
suit, action or proceeding arising out of or based upon this Agreement or the transactions contemplated hereby (“Related Proceedings”) may be instituted in the federal courts of the United States of America located in the City and
County of New York or the courts of the State of New York in each case located in the City and County of New York (collectively, the “Specified Courts”), and each party irrevocably submits to the exclusive jurisdiction (except for
suits, actions, or proceedings instituted in regard to the enforcement of a judgment of any Specified Court in a Related Proceeding (a “Related Judgment”), as to which such jurisdiction is
non-exclusive) of the Specified Courts in any Related Proceeding. Service of any process, summons, notice or document by mail to such party’s address set forth above shall be effective service of process
for any Related Proceeding brought in any 

  
 -23- 

 
Specified Court. The parties irrevocably and unconditionally waive any objection to the laying of venue of any Specified Proceeding in the Specified Courts and irrevocably and unconditionally
waive and agree not to plead or claim in any Specified Court that any Related Proceeding brought in any Specified Court has been brought in an inconvenient forum. Each party not located in the United States irrevocably appoints CT Corporation System
as its agent to receive service of process or other legal summons for purposes of any Related Proceeding that may be instituted in any Specified Court. 

19. Headings. The headings of the sections of this Agreement have been inserted for convenience of reference only and shall not be
deemed a part of this Agreement. 
 20. Notices. All communications hereunder shall be in writing and effective only upon receipt and
if to the Initial Purchasers shall be delivered, mailed or sent to you in care of Morgan Stanley & Co. LLC, at 1585 Broadway, New York, New York 10036, Attention: High Yield Syndicate Desk; and if to the Company shall be delivered, mailed
or sent to Wabash National Corporation, 3900 McCartey Lane, Lafayette, Indiana 47905, Attention: Chief Financial Officer, with a copy to Foley & Lardner LLP, 777 E. Wisconsin Ave., Floor 39, Milwaukee, WI 53202: Attention: Jason Hille. 

[Signature Pages Follow] 

  
 -24- 

 If the foregoing is in accordance with your understanding of our agreement, kindly sign and
return to the Company the enclosed copies hereof, whereupon this instrument, along with all counterparts hereof, shall become a binding agreement in accordance with its terms. 

 

			
	Very truly yours,
	
	WABASH NATIONAL CORPORATION
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Senior Vice President and Chief Financial Officer
	
	WABASH NATIONAL TRAILER CENTERS, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	WABASH NATIONAL, L.P.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	WABASH WOOD PRODUCTS, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Treasurer
	
	TRANSCRAFT CORPORATION
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Treasurer

 [Signature Page to Purchase Agreement] 

 
			
	WALKER GROUP HOLDINGS LLC
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	WALKER STAINLESS EQUIPMENT COMPANY LLC
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	BRENNER TANK SERVICES LLC
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	BRENNER TANK LLC
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	BULK SOLUTIONS LLC
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	SUPREME INDUSTRIES, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Treasurer
	
	SUPREME CORPORATION
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer

 [Signature Page to Purchase Agreement] 

 
			
	SUPREME CORPORATION OF TEXAS
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer
	
	SUPREME TRUCK BODIES OF CALIFORNIA, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer
	
	SUPREME MID-ATLANTIC CORPORATION
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer
	
	SC TOWER STRUCTURAL LAMINATING, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer
	
	SUPREME UPFIT SOLUTIONS & SERVICES, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer
	
	SUPREME INDIANA OPERATIONS, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer
	
	SUPREME CORPORATION OF GEORGIA
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Assistant Treasurer

 [Signature Page to Purchase Agreement] 

 
			
	CLOUD OAK FLOORING COMPANY, INC.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Vice President and Treasurer
	
	NATIONAL TRAILER FUNDING, L.L.C.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	WABASH NATIONAL MANUFACTURING, L.P.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Senior Vice President and Chief Financial Officer
	
	CONTINENTAL TRANSIT CORPORATION
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer
	
	WABASH NATIONAL SERVICES, L.P.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller
	
	FTSI DISTRIBUTION COMPANY, L.P.
		
	By:	 	 /s/ Michael N. Pettit

		 	Name: Michael N. Pettit
		 	Title: Treasurer and Controller

 [Signature Page to Purchase Agreement] 

			
	Accepted as of the date hereof
	  
 Morgan Stanley & Co. LLC

		
		 	Acting on behalf of itself and as
		 	Representative of the several Initial Purchasers named in Schedule I hereto
		 	
		
	By:	 	MORGAN STANLEY & CO. LLC
		
	By:	 	 /s/ Maya Venkatraman

		 	Name: Maya Venkatraman
		 	Title: Authorized Signatory

 [Signature Page to Purchase Agreement] 

 

 SCHEDULE I 
  

					
	 Initial Purchaser
	  	Principal
Amount of
Securities to be
Purchased	 
	 Morgan Stanley & Co. LLC
	  	$	172,000,000	 
	 Wells Fargo Securities, LLC
	  	 	132,000,000	 
	 J.P. Morgan Securities LLC
	  	 	60,000,000	 
	 Citizens Capital Markets, Inc.
	  	 	18,000,000	 
	 PNC Capital Markets LLC
	  	 	18,000,000	 
	 Total:
	  	$	400,000,000	 
		  	  
	  
	 

  
 Sch. I-1 

 SCHEDULE II 

Permitted Communications 
 Time of Sale
Memorandum 
  

	1.	 Preliminary Memorandum issued September 22, 2021 

 

	2.	 Pricing Supplement dated September 22, 2021 

Permitted Additional Written Offering Communications 

Each electronic “road show” as defined in Rule 433(h) furnished to the Initial Purchasers prior to use that the Initial Purchasers and Company have
agreed may be used in connection with the offering of the Securities 

  
 Sch. II-1 

 SCHEDULE III 

A. Guarantors 
  

			
	 Name
	  	 Jurisdiction of Organization

	 Wabash National Trailer Centers, Inc. (“WNTC”)
	  	Delaware
	 Wabash National, L.P. (“WNLP”)
	  	Delaware
	 Wabash Wood Products, Inc. (“Wood”)
	  	Arkansas
	 Transcraft Corporation (“Transcraft”)
	  	Delaware
	 Walker Group Holdings LLC (“Walker Holdings”)
	  	Texas
	 Bulk Solutions LLC (“Bulk Solutions”)
	  	Texas
	 Walker Stainless Equipment Company LLC (“Walker Stainless”)
	  	Delaware
	 Brenner Tank LLC (“Brenner Tank”)
	  	Wisconsin
	 Brenner Tank Services LLC (“Brenner Services”)
	  	Wisconsin
	 Supreme Industries, Inc. (“Supreme”)
	  	Delaware
	 Supreme Corporation (“SC”)
	  	Texas
	 Supreme Indiana Operations, Inc. (“Supreme Indiana”)
	  	Delaware
	 Supreme Corporation of Georgia (“Supreme Georgia”)
	  	Texas
	 Supreme Corporation of Texas (“Supreme Texas”)
	  	Texas
	 Supreme Truck Bodies of California, Inc. (“Supreme Truck”)
	  	California
	 Supreme Mid-Atlantic Corporation (“Mid-Atlantic”)
	  	Texas
	 SC Tower Structural Laminating, Inc. (“SC Tower”)
	  	Texas
	 Supreme Upfit Solutions & Service, Inc. (“Supreme Upfit”)
	  	Texas
	 Cloud Oak Flooring Company, Inc. (“Cloud”)
	  	Arkansas
	 National Trailer Funding, L.L.C. (“Funding”)
	  	Delaware
	 Wabash National Manufacturing, L.P. (“WNM”)
	  	Delaware
	 Continental Transit Corporation (“CTC”)
	  	Indiana
	 Wabash National Services, L.P. (“Services”)
	  	Delaware
	 FTSI Distribution Company, L.P. (“FTSI”)
	  	Delaware

  

  
 Sch. III-1

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