Document:

Exhibit 10.5

 

FINAL

 

TRANSFER AGREEMENT

 

This Transfer Agreement
(the “Agreement”) is effective as of June 9, 2020 (“Effective Date”) and is entered into
by and between Neurotrope Bioscience, Inc., having a principal place of business at 1185 Avenue of the Americas, New York, New
York 10036 (“Neurotrope”) and BryoLogyx Inc., having a principal place of business at 2485 Holly Oak Drive,
Danville, CA 94506 (“BryoLogyx”).

 

BACKGROUND

 

		A.	Neurotrope is a clinical-stage biotech company leveraging bryostatin-1
and its analogues to discover and develop targeted therapeutics for neurodegenerative diseases and developmental disorders, and
is a party to that certain Cooperative Research And Development Agreement with the U.S. Department of Health and Human Services,
as represented by National Cancer Institute of the NIH (“NCI”) dated January 29, 2019 (the “CRADA”)
under which Neurotrope would study bryostatin-1 in its application to cancer therapy using Neurotrope’s inventory of naturally
derived bryostatins.

 

		B.	BryoLogyx is a clinical-stage biotech company currently dedicated
to developing drugs to enhance the response rates and treatment durability of cancer immunotherapies, and has developed a method
of manufacturing synthetic bryostatin-1.

 

		C.	The parties are concurrently entering into a Supply Agreement of even date herewith under which
BryoLogyx will supply Neurotrope with synthetic bryostatin-1. It is the intent and agreement of the Parties that this Transfer
Agreement and the Supply Agreement together constitute the entire agreement of the parties.

 

		D.	The parties wish to collaborate in furtherance of their respective therapeutic goals as set forth
more specifically herein.

 

AGREEMENT

 

In consideration of
the mutual promises, covenants, and conditions hereinafter set forth and in exchange for other good and valuable consideration,
the receipt and sufficiency of which are hereby acknowledged, the parties, intending to be legally bound, agree as follows:

 

 

		1.	Assignment of the CRADA by Neurotrope to BryoLogyx.

 

1.1.            
Assignment of the CRADA by Neurotrope and Assumption of the CRADA by BryoLogyx. Subject to NCI’s written consent
to such transfer, in satisfaction of Section 1.7 of the CRADA (the date of such written consent from NCI referred to herein as
the “Transfer Date”), and subject to the provisions of Sections 1.2, 1.3 and 8.1 hereof, (a) Neurotrope assigns
and transfers to BryoLogyx, effective as of the Transfer Date when, and provided, it occurs, all
of Neurotrope’s right, title and interest in and to the CRADA, and (b) effective as of the Transfer Date BryoLogyx
accepts and assumes the assignment of the CRADA and all rights and obligations thereunder, including compliance with applicable
regulations of the Food and Drug Administration (“FDA”), Office for Human Research Protections, and federal
grants policy. All rights and obligations under the CRADA arising, accruing or relating to the period commencing upon the Transfer
Date will be allocated to, and thereafter will be the obligation of, BryoLogyx. The parties
will further cooperate with each another as may be reasonably necessary to implement and document such assignment of the CRADA
from Neurotrope to BryoLogyx and the assumption thereof by BryoLogyx.

 

1.2.            
Certain Actions by Neurotrope. In furtherance of the assignment and assumption
provided for in Section 1.1 hereof, Neurotrope will, as promptly as possible following the Effective
Date, formally and procedurally properly inform NCI with respect to, and diligently coordinate with NCI and BryoLogyx to obtain
from NCI, as quickly as possible, NCI’s consent to the transfer described herein, and upon obtaining such consent, to effect
as quickly as possible, the full transfer to BryoLogyx of all of Neurotrope's rights and responsibilities under the CRADA. Neurotrope
will, within thirty (30) days after the Transfer Date, deliver to BryoLogyx all records and files generated by Neurotrope in performance
of research under the CRADA through the date of such delivery, and that BryoLogyx reasonably determines, after consultation with
Neurotrope with respect thereto, is necessary to effect such full transfer.

 

     

     

    

 

1.3.            
No Assumed Liabilities. BryoLogyx does not assume any obligations of Neurotrope
arising under the CRADA prior to the Transfer Date, for which Neurotrope will be solely liable, and Neurotrope will be relieved
of all obligations of BryoLogyx arising under the CRADA upon and after the Transfer Date, for
which BryoLogyx will be solely liable.

 

2.                  
Investigational New Drug Application (“IND”). Neurotrope will, promptly following the Transfer Date,
(a) notify the FDA in writing of Neurotrope’s intent to turn over and assign to BryoLogyx all matters pertaining to the preliminary
IND, PIND140578, that had been commenced by Neurotrope, and (b) provide BryoLogyx with such documents in the possession or under
the control of Neurotrope as BryoLogyx may request in writing as being, in the view of BryoLogyx, documents needed to support the
IND filing, and (c) instruct Amarex Clinical Research LLC (“Amarex”)
in writing to promptly provide BryoLogyx with the partially-completed IND application that had been commenced by Neurotrope, as
well as all reference documents, reports, protocols, methods and the like in Amarex’s possession that will be made part of
the IND. From and after the Transfer Date, BryoLogyx, as the new owner and sponsor of the IND, will accept all sponsorship obligations
under 21 C.F.R Part 312 and will comply with all agreements, promises, conditions and covenants contained in PIND140578.

 

3.                  
Vendor Agreements. As of the Effective Date, Neurotrope is party to the following agreements (each a “Vendor
Agreement”) that are relevant to the subject matter of and the transactions described in this Agreement:

 

3.1.            
Singota. Neurotrope will, at its expense, instruct Singota Solutions (“Singota”) in writing not
later than five (5) days after the Effective Date, as follows:

 

3.1.1.       
Singota will be instructed in such notice to, as promptly as possible, separate and hold for BryoLogyx:

 

(a)               
A total of 640 vials of unlabeled, typically appearing “Bryostatin for Injection” 0.025 mg lyophilized per vial,
lot# 260 180725 (“Drug Product”) which is stored pursuant to current Good Manufacturing Practice (“cGMP”)
at Singota, to enable the labeling of such vials by Singota for, and instruct Singota to label such vials as a single lot for,
BryoLogyx (for purposes of this Agreement, the phrase “typically appearing” means cakes that are complete and intact,
whereas a non-intact cake exhibits an atypical appearance, consistent in each case with the categorization of lots into two groups,
by Lyophilization Technologies, Inc.,(“LTI”) as having typical and atypical appearance); and

 

(b)               
A total of 640 vials of unlabeled PET Diluent (Lot# 261-180802) (“Diluent”), which is also stored pursuant
to cGMP at Singota, to enable the labeling of such vials for, and instruct Singota to label such vials as a single lot for, BryoLogyx.

 

3.1.2.       
Singota will be instructed in such notice:

 

(a)               
To release to BryoLogyx within sixty (60) days after the Transfer Date, (i) one half (320 vials) of the labeled Drug Product,
and (ii) one-half (320 vials) of the labeled Diluent, and to retain the remaining 320 vials of Drug Product and 320 vials of Diluent
until Singota has received written confirmation from Neurotrope referenced in Section 3.1.2(b) hereof; and

 

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(b)               
To release to BryoLogyx (i) the remaining one half (320 vials) of the labeled Drug Product, and (ii) the remaining one-half
(320 vials) of the labeled Diluent, within thirty (30) days after Singota has received written confirmation from Neurotrope of
the delivery by BryoLogyx to Neurotrope of one (1) gram, or such lesser amount as BryoLogyx and Neurotrope may agree in writing,
of synthetic bryostatin-1 pursuant to a separate Supply Agreement entered into by BryoLogyx and Neurotrope, and provide that Neurotrope
will give written notice to Singota of such receipt within five (5) days after Neurotrope’s receipt of such bryostatin-1
from BryoLogyx.

 

3.2.            
Intertek, Alcami and LTI. As soon as possible after the Transfer Date, Neurotrope will, at its expense, complete
validation of analytical methods at Intertek Pharmaceutical Services (“Intertek”) and have existing product
retested, using validated methods, at Intertek and at Alcami Corporation (“Alcami”), in an effort to show that
both “Bryostatin for Injection” and PET diluent to be transferred to BryoLogyx meet all Neurotrope specifications,
and were manufactured pursuant to cGMP, which includes:

 

3.2.1.       
Providing to BryoLogyx final reports including validation reports, methods, and certificates of analyses by Neurotrope or
its contracted parties with respect thereto.

 

3.2.2.       
Providing to BryoLogyx batch summary reports, batch records for Bryostatin for Injection and PET diluent provided (Lots#
260-180725 and 262-180802, respectively) and cGMP certifications.

 

3.2.3.       
Permitting BryoLogyx to use all validated methods developed by Intertek and Alcami in their contractual relationship with
Neurotrope, as well as permitting Intertek and Alcami to work with BryoLogyx, to allow for future retesting of existing lots for
stability, and for release testing of future manufactured lots by BryoLogyx.

 

3.3.            
Payments. Neurotrope will pay all payables for services rendered to Neurotrope by third parties pursuant to Neurotrope’s
agreements with such third parties that are related to the CRADA, IND, and method validations, and with respect to such transfer
to BryoLogyx under this Agreement of material, methods, testing and rights related thereto.

 

3.4.            
Vendor Agreements. Neurotrope will, promptly after the Transfer Date and in an appropriate manner, and with an appropriate
level of detail/content, in each case as approved in advance by BryoLogyx (which approval will not to be unreasonably or untimely
withheld), inform, in writing, all relevant third parties with which Neurotrope has a contractual relationship, including Amarex
(regarding the IND), LTI, Intertek and Alcami (regarding drug product manufacture, method validation and testing), and Singota
(regarding labeling and kitting of bryostatin-1 and PET diluent allotted to BryoLogyx), with respect to the transfer of rights
and responsibilities as to activities to BryoLogyx as effected under this Agreement on and after the Transfer Date.

 

4.                  
Certificate of Analysis. BryoLogyx will provide Neurotrope with a Certificate of Analysis demonstrating comparability
of synthetic bryostatin-1 molecule to natural bryostatin-1 when such data become available.

 

		5.	Revenue Share.

 

5.1.            
Revenue Share; End Date. As full consideration for the transfer by Neurotrope to BryoLogyx of the CRADA and the PIND/IND
and of Neurotrope’s performance of Neurotrope’s other obligations as described herein, commencing with the calendar
quarter in which the first commercial sale is made by BryoLogyx or by a BryoLogyx affiliate (with “affiliate”
defined for purposes of this Agreement as a party controlling, controlled by or under common control with BryoLogyx), distributor,
licensee or sublicensee (BryoLogyx and each such other entity referred to as a “Selling Entity”) of a drug product
which contains bryostatin-1, for the treatment of B-cell Acute Lymphoblastic Leukemia, CD22 directed CAR-T mono-therapies ( a “Bryostatin
Product”), BryoLogyx will pay Neurotrope two percent (2%) of the gross revenues received by each Selling Entity from
the sale by such Selling Entity of such Bryostatin Product ( the “Revenue Share”), provided that when a Bryostatin
Product is sold by a Selling Entity as a combination therapy with at least one additional active pharmaceutical ingredient, the
Revenue Share as to such sale will be calculated and will be payable only upon gross revenues of the bryostatin-1 drug product
component of such combination therapy Bryostatin Product; provided, however, that if the gross revenues of the bryostatin-1
drug product component of such combination therapy Bryostatin Product cannot reasonably be determined, then the Revenue Share will
be calculated and will be payable upon the commercial value of such bryostatin-1 drug product portion of such combination therapy
Bryostatin Product as BryoLogyx and Neurotrope will in good faith agree in writing, based upon commercial precepts applicable to
the pricing of similar combination therapy products. Such Revenue Share will be payable by BryoLogyx to Neurotrope until such date
as the aggregate cumulative amount of Revenue Share paid by BryoLogyx to Neurotrope reaches One Million Dollars ($1,000,000.00)
(the “End Date”). Payments based on sales of Bryostatin Products or any other payments will not be required
to be made by BryoLogyx to Neurotrope after the End Date.

 

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5.2.            
Payment of Revenue Share. Revenue Share will be calculated and reported by BryoLogyx for each calendar quarter or
portion thereof through and including the End Date. BryoLogyx will deliver to Neurotrope within forty five (45) days after the
end of each calendar quarter in which sales of Bryostatin Products have occurred prior to the End Date, a report certified in writing
by BryoLogyx as accurate, setting forth for such calendar quarter or portion thereof the following information on a country-by-country
basis: (a) the gross revenues received in such quarter or portion thereof by each Selling Entity from such Selling Entity’s
sale of Bryostatin Products, (b) a calculation of the corresponding Revenue Share with respect to such gross revenues, and (iii)
the exchange rate used by BryoLogyx for converting gross revenue recorded in a currency other than United States dollars (“USD”),
with such relevant exchange rate determined as set forth in Section 5.3 hereof.

 

5.3.            
Payment. BryoLogyx will pay the Revenue Share concurrently with delivery of the reports described in Section 5.2.
All payments will be made by electronic (wire or ACH) transfer in immediately available funds to such bank account and with such
routing number and other relevant wire or ACH transfer information as is designated in writing by Neurotrope to BryoLogyx within
thirty (30) days after the Transfer Date, or to such bank account and with such updated information as Neurotrope informs BryoLogyx
in writing at least 30 days prior to the end of the relevant calendar quarter, prior to the End Date, for which Revenue Share will
become payable. All payments will be free and clear of any transfer fees or charges. All payments hereunder will be payable in
USD. In the case of gross revenues from outside the United States, payments received by BryoLogyx will be expressed in the USD
equivalent calculated on a quarterly basis in the currency of the country of sale, and converted to their USD equivalent using
the average rate of exchange over the applicable calendar quarter to which the sales relate, in accordance with the rate of exchange
for such currency reported in The Wall Street Journal, Internet U.S. Edition at www.wsj.com, as of the last day of the applicable
reporting period (or, if unavailable on such date, the first date thereafter on which such rate is available).

 

5.4.            
Late Payments. Interest will accrue on payments of Revenue Share not made by BryoLogyx on the date such payment is
due, at a monthly interest rate equal to the lesser of (a) one and one-half percent (1.5%) or (b) the highest rate permissible
by applicable law, with such interest accruing from the date such payment was originally due.

 

5.5.            
Tax Withholding. This Agreement is being entered into with the assumption that no withholding tax will apply to the
payments made hereunder. In the event that applicable laws require that taxes be withheld from a payment due from BryoLogyx to
Neurotrope under this Agreement, the parties will discuss promptly and in good faith and will agree in writing, how to handle efficiently
the payment of such withholding tax. Unless otherwise agreed between the parties in writing, BryoLogyx will (a) withhold as required
by applicable Law the relevant amount of taxes from such payment due from it to Neurotrope, (b) make payment of the withheld taxes
to the applicable tax authority, and (c) deliver to Neurotrope written evidence of such payment of tax made to the tax authority
promptly following such payment. Neurotrope will provide BryoLogyx with such documentation in Neurotrope’s possession that
is necessary for BryoLogyx to lawfully avoid or reduce any amounts of withholding tax or other applicable taxes under any applicable
law, including any applicable tax treaty. To the extent that amounts are so withheld, such amounts will be treated for all purposes
of this Agreement as having been paid to Neurotrope. The parties acknowledge and agree that it is mutual objective and intent to
minimize, to the extent feasible under applicable laws, any taxes payable in connection with this Agreement, and will reasonably
cooperate each other in good faith in accordance with applicable laws to minimize any taxes in connection with this Agreement.

 

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5.6.            
Audits. BryoLogyx will keep (and will cause each Selling Party to keep) complete and accurate records pertaining
to the sale or other disposition of Bryostatin Products and calculations of the Revenue Share in sufficient detail to permit Neurotrope
to confirm the accuracy of all payments due to it hereunder. Neurotrope will have the right to cause an independent, certified
public accountant reasonably acceptable to BryoLogyx to audit such records to confirm gross revenues and the Revenue Share for
a period covering up to but not more than the preceding five (5) calendar years. Such audit rights may be exercised during normal
business hours upon at least thirty (30) days prior written notice to BryoLogyx. If the auditor determines that there has been
an underpayment by BryoLogyx, BryoLogyx will pay to Neurotrope the underpayment within thirty (30) days after the auditor’s
decision, plus interest from the original due date. Neurotrope will bear its and the auditor’s cost of such audit unless
such audit discloses an underpayment by BryoLogyx of five percent (5%) or more during the period audited, in which case, BryoLogyx
will bear the entire cost and reasonable and documented expense incurred by Neurotrope in performing such audit.

 

5.7.            
Survival of Revenue Share Payment Obligation. BryoLogyx’ obligation to pay the Revenue Share, and the corresponding
provisions of this Section 5, shall survive termination of this Agreement made pursuant to Section 8.1.4.

 

6.                  
Reservation of Rights. Neither party grants any license, express or implied, under its intellectual property rights,
nor any other rights, to the other party in connection with this Agreement, whether by implication, estoppel or otherwise, and
each party reserves all such rights of itself.

 

7.                  
Treatment of Confidential Information.

 

7.1.            
Definition. “Confidential Information” means with respect to a party (the “Receiving
Party”), all non-public business, technical, financial, legal or other information, including, without limitation, results
and data of any type whatsoever, in any tangible or intangible form whatsoever, including, preclinical data, clinical trial data,
databases, practices, methods, techniques, specifications, formulations, formulae, knowledge, know-how, skill, experience, test
data including pharmacological, biological, chemical, biochemical, toxicological and clinical test data, analytical and quality
control data, stability data, studies and procedures, together with any copies, abstracts or derivatives thereof, disclosed by
the other party (the “Disclosing Party”) to the Receiving Party or to any of its affiliates or representatives
under this Agreement that (a) is marked as confidential or indicated at the time of disclosure as being confidential or, in the
case of information that is orally disclosed, that is subsequently summarized in writing and transmitted to the Receiving Party
within thirty (30) days of the initial disclosure or (b) by its nature a reasonable person would understand to be confidential
or proprietary; provided that Confidential Information will not include any information that the Receiving Party can demonstrate
by written record that such information: (i) is, as of the date of disclosure, demonstrably known to the Receiving Party other
than by virtue of a prior confidential disclosure to it; (ii) is, as of the date of disclosure, in, or subsequently enters, the
public domain, through no fault of the Receiving Party; (iii) was obtained by the Receiving Party from a third party which can
be reasonably assumed to have a lawful right to make such disclosure free from any obligation of confidentiality to the Disclosing
Party; or (iv) is independently developed by or for the Receiving Party without reference to or reliance upon any Confidential
Information of the Disclosing Party, as demonstrated by the Receiving Party’s records kept in the ordinary course of its
business.

 

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7.2.            
Confidential Obligations. Each party will keep confidential using reasonable precautions (including all precautions
it employs with respect to its own confidential materials), and without prior written consent of the other party, will not disclose,
Confidential Information of the other party. Neither party will access, use or permit to be used any Confidential Information of
the other party for any purpose whatsoever other than fulfilling its obligations or exercising any rights granted to it or reserved
by it under this Agreement without prior written consent of the other party.

 

7.3.            
Exceptions. Notwithstanding the foregoing:

 

7.3.1.       
Each party may disclose Confidential Information to the extent such disclosure is reasonably necessary to comply with applicable
laws, regulations, judicial or administrative process, or court orders (including any stock exchange regulations) provided, however,
that if a party is required to make any such disclosure of the other party’s Confidential Information in connection with
any of the foregoing, it will (1) give reasonable advance notice to the other party of such disclosure requirement (2) (other
than in the case where such disclosure is necessary, in the reasonable opinion of the Disclosing party’s outside legal counsel,
to comply with securities laws, regulations or guidances) will use commercially reasonable efforts to assist such other party in
efforts to secure confidential treatment of such information required to be disclosed and (3) only disclose that Confidential Information
that is, at the direction of legal counsel, required to be disclosed;

 

7.3.2.       
Each party may disclose the Disclosing party’s Confidential Information to its affiliates and their employees and
agents to the extent reasonably necessary for the purpose of fulfilling its obligations or exercising any rights granted to it
or reserved by it hereunder; provided that the recipient of such disclosed Confidential Information will be (A) apprised of the
confidential nature of such information and (B) bound by obligations of confidentiality substantially the same as the obligations
hereunder. Each party will be responsible for any breach of the confidentiality obligations set forth in this Section 7 by those
entities individuals that it has disclosed the other party’s Confidential Information as permitted under this Section 7;
and

 

7.3.3.       
Each party may disclose the Disclosing party’s Confidential Information to the extent such disclosure is reasonably
necessary: (A) to such party’s attorneys, independent accountants and financial advisors for the sole purpose of enabling
such attorneys, independent accountants and financial advisors to provide advice to the Receiving party, provided that in each
such case on the condition that such attorneys, independent accountants and financial advisors are bound by confidentiality and
non-use obligations substantially consistent with those contained in this Agreement; or (B) to actual or potential investors, acquirers,
licensees and other financial or commercial partners solely for the purpose of evaluating or carrying out an actual or potential
investment, acquisition or collaboration, public offering, merger or acquisition of such party, or sale or substantially all of
its business to which this Agreement relates, provided that any such third party agrees to be bound by confidentiality and non-use
obligations that are no less stringent than those contained in this Agreement (except to the extent that a shorter confidentiality
period is customary in the industry).

 

8.                  
Term and Termination.

 

8.1.         
Term. The term of the Agreement will commence upon the Effective Date and will terminate upon the earliest to occur
of the following:

 

		8.1.1.	The fifth (5th) business day, as hereinafter defined, after the Effective Date or such
later date as BryoLogyx may agree with Neurotrope in writing, if by such date (a) the Transfer Date has not occurred, and (b) Neurotrope
has not notified Singota in writing with respect to the matters set forth in Section 3.1 and with BryoLogyx not being required
to send in writing to Neurotrope, which termination will be automatic upon such fifth business day or later date as may be agreed
by BryoLogyx if such two aforementioned conditions have not been met; or

 

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		8.1.2.	The End Date; or

 

		8.1.3.	Such date as the parties agree in writing; or

 

		8.1.4.	Such date prior to the End Date as is set forth for such termination in a written notice by one
party to the other for uncured material breach by the other party of an obligation of the other party hereunder, which obligation
and which material breach will be set forth in such notice by the sending party in reasonable detail, which has not been cured
by the other party within thirty (30) days after the date such notice is received by the other party, or within such longer period
of time for cure as the party sending such notice sets forth in such notice.

 

8.2.            
Survival. The parties’ respective rights and obligations under the following Sections (and all associated definitions),
and any other rights or remedies that accrue prior to termination or expiration of this Agreement, shall survive the termination
or expiration of this Agreement: Sections 5.7, 7, 8.2 and 9.

 

		9.	Additional Terms.

 

9.1.            
Disclaimer. NEITHER PARTY MAKES ANY REPRESENTATIONS OR EXTENDS ANY WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
WITH REGARD TO ANY MATTER RELATING TO THIS AGREEMENT, INCLUDING REGARDING THE CRADA, VENDOR AGREEMENTS, THE IND, OR BRYOSTATIN
PRODUCTS, AND EACH PARTY DISCLAIMS ALL IMPLIED AND STATUTORY WARRANTIES INCLUDING OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE OR NON-INFRINGEMENT AND OF CUSTOM OR TRADE.

 

9.2.            
Limitation on Liability. NEITHER PARTY WILL BE LIABLE TO THE OTHER PARTY FOR ANY LOSS, DAMAGE, OR LIABILITY WITH
RESPECT TO ANY SPECIAL, INDIRECT, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL DAMAGE OF ANY KIND WHATEVER AND HOWEVER CAUSED, AND INCLUDING
LOSS OF BUSINESS OR PROFITS, AND WHETHER BASED ON AN ACTION OR CLAIM IN CONTRACT, TORT (INCLUDING NEGLIGENCE), BREACH OF STATUTORY
DUTY OR OTHERWISE, AND EVEN IF FORESEEABLE OR SUFFERED IN CIRCUMSTANCES WHERE A PARTY HAS BEEN ADVISED PRIOR TO THE DATE OF THIS
AGREEMENT OF THE POSSIBILITY OF SUCH LOSSES. Notwithstanding the foregoing, nothing in this Section 9.2 limits or restricts damages
caused by a party’s breach of Section 7.

 

9.3.            
Notification. All notices, consents and other formal or legal communications hereunder will be in writing, will be
addressed to the receiving party’s address set forth below, and will be delivered by hand or sent by a nationally recognized
courier service such as UPS, DHL or FedEx, which can provide evidence of receipt by the recipient party, and will be sent to the
parties as follows:

 

	If to Neurotrope: 	Neurotrope Bioscience, Inc.
	 	1185 Avenue of the Americas
	 	New York, New York 10036
	 	United States of America
	 	Attention: Chief Financial Officer

 

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If to BryoLogyx:

	 	
        BryoLogyx, Inc.

        2485 Holly Oak Drive

        Danville, CA 94506

        Attention: Thomas Loarie,
Chief Executive Officer 

 

All such notices will be deemed to have
been given upon receipt. For the avoidance of doubt, any notice, consent, or other formal or legal communication, as opposed to
ongoing communication by the parties about the subject matter hereof, cannot be sent by email, facsimile or regular mail and if
so sent will not be deemed to be a valid notice under this Agreement

 

9.4.            
Governing Law. This Agreement will be construed, interpreted and applied in accordance with the laws of the State
of New York, without reference to any rules or principles of conflict of laws.

 

9.5.            
Venue. The exclusive venue for the resolution of disputes arising out of or relating to this Agreement (including
intellectual property) will be the state and federal courts located in New York, New York, and such courts will have exclusive
jurisdiction. The parties hereby submit themselves to the jurisdiction of such courts for such purposes. EACH PARTY HEREBY IRREVOCABLY
AND UNCONDITIONALLY WAIVES, TO THE FULLEST EXTENT IT MAY LEGALLY AND EFFECTIVELY DO SO, TRIAL BY JURY IN ANY SUIT, ACTION OR PROCEEDING
ARISING HEREUNDER. The prevailing party in any dispute is entitled to recover its reasonable attorneys’ fees.

 

9.6.            
Entire Agreement. This Agreement is the entire agreement between the parties with respect to the subject matter hereof
and supersedes all prior representations, understandings and agreements between the parties with respect to the subject matter
hereof, including that certain Outline of Key Elements With Respect to Transfer to BryoLogyx by Neurotrope of CRADA and IND Matters
for the Study of Bryostatin-1 in its Application to Cancer Therapy signed by the parties and dated March 31, 2020.

 

9.7.            
 Amendment and Waiver. This Agreement may not be amended except in a writing signed by both parties. Any such amendment
will not affect the continuing effectiveness of all other provisions hereof that are not so amended. Any term or condition of the
Agreement may be waived only by a written instrument executed by the party waiving compliance. The failure of either party at any
time or times to require performance of any provision hereof will in no manner affect its rights at a later time to enforce the
same. No waiver by either party of any condition or term will be deemed as a continuing waiver of such condition or term or of
another condition or term.

 

9.8.            
Assignment; Binding Upon Successors and Permitted Assigns. Neither this Agreement nor any right or obligation hereunder
may be assigned, delegated or otherwise transferred, in whole or part, by either party without the prior express written consent
of the other party; provided that each party with prior written notice but without such consent may assign the Agreement in its
entirety to a successor in interest in connection with the sale of all or substantially all of the business or assets to which
the Agreement relates or similar change of control. This Agreement will be binding upon and will inure to the benefit of the parties’
successors and permitted assigns.

 

9.9.            
Construction. The parties acknowledge and agree that: (a) each party and its counsel reviewed and negotiated the
terms and provisions of the Agreement and have contributed to its revision; (b) the rule of construction to the effect that any
ambiguities are resolved against the drafting party will not be employed in the interpretation of the Agreement; and c) the terms
and provisions of the Agreement will be construed fairly as to all parties hereto and not in favor of or against any party, regardless
of which party was generally responsible for the preparation of the Agreement. The following rules of interpretation will apply
unless the context will require otherwise: (i) references to a person include bodies corporate and an unincorporated association
of persons; (ii) the words “hereby”, “hereof”, “herein” and “hereunder” and words
of similar import when used in this Agreement will refer to this Agreement as a whole and not to any particular provision of this
Agreement; (iii) whenever the words “include”, “includes” or “including” are used in this Agreement,
they will be deemed to be followed by the words “without limitation”; and (iv) the word “or” will not be
deemed to be exclusive.

 

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9.10.         
Severability. If any provision(s) of the Agreement are or become invalid, are ruled illegal by any court of competent
jurisdiction or are deemed unenforceable, it is the intention of the parties that the remainder of the Agreement will not be affected
thereby provided that a party’s rights under the Agreement are not materially affected. The parties hereto covenant and agree
to renegotiate any such term, covenant or application thereof in good faith in order to provide a reasonably acceptable alternative
to the term, covenant or condition of the Agreement or the application thereof that is invalid, illegal or unenforceable, it being
the intent of the parties that the basic purposes of the Agreement are to be effectuated.

 

9.11.         
Further Assurances. Each party will execute, acknowledge and deliver such further instructions, and to do all such
other acts, as may be necessary or appropriate in order to carry out the purposes and intent of the Agreement.

 

9.12.         
Compliance with Law. Each party will comply with all applicable laws in performing this Agreement.

 

9.13.         
Independent Parties. This Agreement will not be construed as creating a relationship of employment, agency, partnership,
joint venture, or any other form of legal association between the parties. Neither party has any power to bind the other party
or to assume or to create any obligation or responsibility on behalf of the other party or in the other party’s name.

 

9.14.         
Counting Of Time; “Business Days”. Whenever days are to be counted under this Agreement, the first day
will not be counted and the last day will be counted. For purposes of this Agreement a “business day” means a day upon
which national banks are open in New York, New York.

 

9.15.         
Counterparts; Signatures. This Agreement may be executed simultaneously in one or more counterparts, each of which
will be deemed an original, but both of which together will constitute one and the same instrument. Any signature of a party delivered
electronically, as a PDF or other image, will be effective as an original signature and will be deemed to be an original signature
by the parties.

 

[SIGNATURES FOLLOW ON THE NEXT PAGE.]

 

    	 	9

     

    

 

IN WITNESS WHEREOF, the parties have
caused this Agreement to be executed by their duly authorized representatives as of the Effective Date.

 

	NEUROTROPE BIOSCIENCE, INC.	BRYOLOGYX, INC.
	 	 
	 	 
	/s/ Robert Weinstein	/s/ Thomas M. Loarie
	Robert Weinstein	Thomas M. Loarie
	Chief Financial Officer	Chief Executive Officer

 

 

    	 	10Exhibit 4.1

 

BWX TECHNOLOGIES, INC.

as Issuer

THE GUARANTORS NAMED HEREIN

and

U.S. BANK NATIONAL ASSOCIATION

as Trustee, Paying Agent and Note Registrar

INDENTURE

 

Dated as of June 12, 2020

$400,000,000

 

4.125% Senior Notes due 2028

 

     

     

    

 

Reconciliation
and tie between Trust Indenture Act

of 1939 and Indenture, dated as of June 12, 2020

 

	Trust Indenture Act Section	 	 	Indenture
 Section	 
	§310 	 	(a)(1) 	 	 	608	 
	 	 	(a)(2) 	 	 	N.A.	 
	 	 	(a)(3) 	 	 	N.A.	 
	 	 	(a)(4) 	 	 	N.A.	 
	 	 	(b) 	 	 	605, 609	 
	 	 	(c) 	 	 	N.A.	 
	§311	 	(a)		 	605, 609	 
	 	 	(b) 	 	 	605, 609	 
	 	 	(c) 	 	 	605	 
	§312	 	(a)		 	701	 
	 	 	(b) 	 	 	N.A.	 
	 	 	(c) 	 	 	N.A.	 
	§313	 	(a)		 	702	 
	 	 	(b)(1) 	 	 	702	 
	 	 	(b)(2) 	 	 	702	 
	 	 	(c)(1) 	 	 	602, 702	 
	 	 	(c)(2) 	 	 	602, 702	 
	 	 	(d) 	 	 	702	 
	§314	 	(a)		 	N.A.	 
	 	 	(b) 	 	 	N.A.	 
	 	 	(c)(1) 	 	 	103	 
	 	 	(c)(2) 	 	 	103	 
	 	 	(c)(3) 	 	 	N.A.	 
	 	 	(d) 	 	 	N.A.	 
	 	 	(e) 	 	 	103	 
	 	 	(f) 	 	 	N.A.	 
	§315	 	(a)		 	601, 603	 
	 	 	(b) 	 	 	602, 603	 
	 	 	(c) 	 	 	601, 603	 
	 	 	(d) 	 	 	601, 603	 
	 	 	(e) 	 	 	515	 
	§316 	 	(a) (last sentence) 	 	 	102

                                                                           (“Outstanding”)
	 
	 	 	(a)(1)(A) 	 	 	512	 
	 	 	(a)(1)(B) 	 	 	513	 
	 	 	(a)(2) 	 	 	N.A.	 
	 	 	(b) 	 	 	508	 
	 	 	(c) 	 	 	105(d)	
	§317	 	 (a)(1) 	 	 	503	 
	 	 	(a)(2) 	 	 	504	 
	 	 	(b) 	 	 	1003	 
	§318	 	(a)		 	115	 

 

N.A. means Not Applicable.

 

    -i- 

     

    

 

Table of Contents

 

	ARTICLE
    One DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION
	 
	SECTION
    101.   	 	Rules
    of Construction	 	 	1	 
	SECTION
    102.	 	Definitions	 	 	2	 
	SECTION
    103.   	 	Compliance
    Certificates and Opinions	 	 	34	 
	SECTION
    104.   	 	Form
    of Documents Delivered to Trustee	 	 	34	 
	SECTION
    105.   	 	Acts
    of Holders	 	 	35	 
	SECTION
    106.   	 	Notices,
    Etc., to Trustee, Issuer, any Guarantor and Agent	 	 	36	 
	SECTION
    107.   	 	Notice
    to Holders; Waiver	 	 	36	 
	SECTION
    108.   	 	Effect
    of Headings and Table of Contents	 	 	37	 
	SECTION
    109.   	 	Successors
    and Assigns	 	 	37	 
	SECTION
    110.   	 	Severability
    Clause	 	 	37	 
	SECTION
    111.   	 	Benefits
    of Indenture	 	 	37	 
	SECTION
    112.   	 	Governing
    Law	 	 	37	 
	SECTION
    113.   	 	Legal
    Holidays	 	 	37	 
	SECTION
    114.   	 	No
    Personal Liability of Directors, Managers, Officers, Employees and Stockholders	 	 	37	 
	SECTION
    115.   	 	Trust
    Indenture Act Controls	 	 	37	 
	SECTION
    116.   	 	Counterparts	 	 	38	 
	SECTION
    117.   	 	USA
    PATRIOT Act	 	 	38	 
	SECTION
    118.   	 	Waiver
    of Jury Trial	 	 	38	 
	SECTION
    119.   	 	Force
    Majeure	 	 	38	 
	 	 	 	 	 	 	 
	ARTICLE
    Two NOTE FORMS
	 
	SECTION
    201.   	 	Form
    and Dating	 	 	38	 
	SECTION
    202.   	 	Execution,
    Authentication, Delivery and Dating	 	 	38	 
	 	 	 	 	 	 	 
	ARTICLE
    Three THE NOTES
	 
	SECTION
    301.   	 	Title
    and Terms	 	 	40	 
	SECTION
    302.   	 	Note
    Registrar, Transfer Agent and Paying Agent	 	 	40	 
	SECTION
    303.   	 	Denominations	 	 	41	 
	SECTION
    304.   	 	Temporary
    Notes	 	 	41	 
	SECTION
    305.   	 	Registration
    of Transfer and Exchange	 	 	41	 
	SECTION
    306.   	 	Mutilated,
    Destroyed, Lost and Stolen Notes	 	 	42	 
	SECTION
    307.   	 	Payment
    of Interest; Interest Rights Preserved	 	 	43	 
	SECTION
    308.   	 	Persons
    Deemed Owners	 	 	43	 
	SECTION
    309.   	 	Cancellation	 	 	44	 
	SECTION
    310.   	 	Computation
    of Interest	 	 	44	 
	SECTION
    311.   	 	Transfer
    and Exchange	 	 	44	 
	SECTION
    312.   	 	CUSIP,
    ISIN and Common Code Numbers	 	 	44	 
	SECTION
    313.   	 	Issuance
    of Additional Notes	 	 	44	 
	SECTION
    314.   	 	Global
    Securities	 	 	44	 
	 	 	 	 	 	 	 
	ARTICLE
    Four SATISFACTION AND DISCHARGE
	 
	SECTION
    401.   	 	Satisfaction
    and Discharge of Indenture	 	 	45	 
	SECTION
    402.   	 	Application
    of Trust Money	 	 	46	 

 

    - i - 

     

    

 

	 	 	 	 	 	Page
	ARTICLE
    Five REMEDIES
	 
	SECTION
    501.   	 	Events
    of Default	 	 	46	 
	SECTION
    502.   	 	Acceleration
    of Maturity; Rescission and Annulment	 	 	48	 
	SECTION
    503.   	 	Collection
    of Indebtedness and Suits for Enforcement by Trustee	 	 	49	 
	SECTION
    504.   	 	Trustee
    May File Proofs of Claim	 	 	50	 
	SECTION
    505.   	 	Trustee
    May Enforce Claims Without Possession of Notes	 	 	50	 
	SECTION
    506.   	 	Application
    of Money Collected	 	 	51	 
	SECTION
    507.   	 	Limitation
    on Suits	 	 	51	 
	SECTION
    508.   	 	Unconditional
    Right of Holders to Receive Principal, Premium and Interest	 	 	51	 
	SECTION
    509.   	 	Restoration
    of Rights and Remedies	 	 	52	 
	SECTION
    510.   	 	Rights
    and Remedies Cumulative	 	 	52	 
	SECTION
    511.   	 	Delay
    or Omission Not Waiver	 	 	52	 
	SECTION
    512.   	 	Control
    by Holders	 	 	52	 
	SECTION
    513.   	 	Waiver
    of Past Defaults	 	 	52	 
	SECTION
    514.   	 	Waiver
    of Stay or Extension Laws	 	 	52	 
	SECTION
    515.   	 	Undertaking
    for Costs	 	 	53	 
	 	 	 	 	 	 	 
	ARTICLE
    Six THE TRUSTEE
	 
	SECTION
    601.  	 	Duties
of the Trustee	 	 	53	 
	SECTION
    602.   	 	Notice
    of Defaults	 	 	54	 
	SECTION
    603.   	 	Certain
    Rights of Trustee	 	 	54	 
	SECTION
    604.   	 	Trustee
    Not Responsible for Recitals or Issuance of Notes	 	 	55	 
	SECTION
    605.   	 	May
    Hold Notes	 	 	55	 
	SECTION
    606.   	 	Money
    Held in Trust	 	 	55	 
	SECTION
    607.   	 	Compensation
    and Reimbursement	 	 	56	 
	SECTION
    608.   	 	Corporate
    Trustee Required; Eligibility	 	 	56	 
	SECTION
    609.   	 	Resignation
    and Removal; Appointment of Successor	 	 	57	 
	SECTION
    610.   	 	Acceptance
    of Appointment by Successor	 	 	57	 
	SECTION
    611.   	 	Merger,
    Conversion, Consolidation or Succession to Business	 	 	58	 
	SECTION
    612.   	 	Appointment
    of Authenticating Agent	 	 	58	 
	 	 	 	 	 	 	 
	ARTICLE
    Seven HOLDERS LISTS AND REPORTS BY TRUSTEE AND ISSUER
	 
	SECTION
    701.   	 	Issuer
    to Furnish Trustee Names and Addresses	 	 	59	 
	SECTION
    702.   	 	Reports
    by Trustee	 	 	59	 
	 	 	 	 	 	 	 
	ARTICLE
    Eight MERGER, CONSOLIDATION OR SALE OF ALL OR SUBSTANTIALLY ALL ASSETS
	 
	SECTION
    801.   	 	Issuer
    May Consolidate, Etc., Only on Certain Terms	 	 	59	 
	SECTION
    802.   	 	Guarantors
    May Consolidate, Etc., Only on Certain Terms	 	 	60	 
	SECTION
    803.   	 	Successor
    Substituted	 	 	61	 
	 	 	 	 	 	 	 
	ARTICLE
    Nine SUPPLEMENTAL INDENTURES
	 
	SECTION
    901.   	 	Amendments
    or Supplements Without Consent of Holders	 	 	61	 
	SECTION
    902.   	 	Amendments,
    Supplements or Waivers with Consent of Holders	 	 	62	 
	SECTION
    903.   	 	Execution
    of Amendments, Supplements or Waivers	 	 	63	 
	SECTION
    904.   	 	Effect
    of Amendments, Supplements or Waivers	 	 	63	 
	SECTION
    905.   	 	Compliance
    with Trust Indenture Act	 	 	63	 
	SECTION
    906.   	 	Reference
    in Notes to Supplemental Indentures	 	 	63	 
	SECTION
    907.   	 	Notice
    of Supplemental Indentures	 	 	64	 

 

    - ii - 

     

    

 

	 	 	 	 	 	Page
	ARTICLE
    Ten COVENANTS
	 
	SECTION
    1001.   	 	Payment
    of Principal, Premium, if any, and Interest	 	 	64	 
	SECTION
    1002.   	 	Maintenance
    of Office or Agency	 	 	64	 
	SECTION
    1003.   	 	Money
    for Notes Payments to Be Held in Trust	 	 	64	 
	SECTION
    1004.   	 	[Reserved]	 	 	65	 
	SECTION
    1005.   	 	[Reserved]	 	 	65	 
	SECTION
    1006.   	 	[Reserved]	 	 	65	 
	SECTION
    1007.   	 	[Reserved]	 	 	65	 
	SECTION
    1008.   	 	Statement
    by Officer as to Default	 	 	65	 
	SECTION
    1009.   	 	Reports
    and Other Information	 	 	66	 
	SECTION
    1010.  	 	Limitation
    on Restricted Payments	 	 	67	 
	SECTION
    1011.   	 	Limitation
    on Incurrence of Indebtedness and Issuance of Disqualified Stock	 	 	73	 
	SECTION
    1012.   	 	Liens	 	 	78	 
	SECTION
    1013.   	 	Limitations
    on Transactions with Affiliates	 	 	78	 
	SECTION
    1014.   	 	Limitations
    on Dividend and Other Payment Restrictions Affecting Restricted Subsidiaries	 	 	80	 
	SECTION
    1015.   	 	Limitation
    on Guarantees of Indebtedness by Restricted Subsidiaries	 	 	82	 
	SECTION
    1016.   	 	Change
    of Control	 	 	82	 
	SECTION
    1017.   	 	Asset
    Sales	 	 	84	 
	SECTION
    1018.   	 	Suspension
    of Covenants	 	 	87	 
	SECTION
    1019.   	 	Financial
    Calculations for Limited Condition Acquisitions	 	 	88	 
	 	 	 	 	 	 	 
	ARTICLE
    Eleven REDEMPTION OF NOTES
	 
	SECTION
    1101.   	 	Right
    of Redemption	 	 	88	 
	SECTION
    1102.   	 	Applicability
    of Article	 	 	89	 
	SECTION
    1103.   	 	Election
    to Redeem; Notice to Trustee	 	 	89	 
	SECTION
    1104.   	 	Selection
    by Trustee of Notes to Be Redeemed	 	 	89	 
	SECTION
    1105.   	 	Notice
    of Redemption	 	 	90	 
	SECTION
    1106.   	 	Deposit
    of Redemption Price	 	 	91	 
	SECTION
    1107.   	 	Notes
    Payable on Redemption Date	 	 	91	 
	SECTION
    1108.   	 	Notes
    Redeemed in Part	 	 	91	 
	SECTION
    1109.  	 	[Reserved]	 	 	91	 
	SECTION
    1110.   	 	Mandatory
    Redemption	 	 	91	 
	 	 	 	 	 	 	 
	ARTICLE
    Twelve GUARANTEES
	 
	SECTION
    1201.   	 	Guarantees	 	 	91	 
	SECTION
    1202.   	 	Severability	 	 	92	 
	SECTION
    1203.   	 	Restricted
    Subsidiaries	 	 	92	 
	SECTION
    1204.   	 	Limitation
    of Guarantors’ Liability	 	 	93	 
	SECTION
    1205.  	 	Contribution	 	 	93	 
	SECTION
    1206.   	 	Subrogation	 	 	93	 
	SECTION
    1207.   	 	Reinstatement	 	 	93	 
	SECTION
    1208.   	 	Release
    of a Guarantor	 	 	93	 
	SECTION
    1209.   	 	Benefits
    Acknowledged	 	 	94	 
	 	 	 	 	 	 	 
	ARTICLE
    Thirteen LEGAL DEFEASANCE AND COVENANT DEFEASANCE
	 
	SECTION
    1301.   	 	Issuer’s
    Option to Effect Legal Defeasance or Covenant Defeasance	 	 	94	 
	SECTION
    1302.  	 	Legal
    Defeasance and Discharge	 	 	94	 
	SECTION
    1303.   	 	Covenant
    Defeasance	 	 	94	 
	SECTION
    1304.   	 	Conditions
    to Legal Defeasance or Covenant Defeasance	 	 	95	 
	SECTION
    1305.   	 	Deposited
    Money and Government Securities To Be Held in Trust Other Miscellaneous Provisions	 	 	96	 

 

    - iii - 

     

    

 

	 	 	 	 	 	Page	 
	SECTION
    1306.   	 	Reinstatement	 	 	96	 

 

APPENDIX & EXHIBITS

 

ANNEX
I – Rule 144A / Regulation S / IAI Appendix

 

EXHIBIT 1 to Rule 144A / Regulation S / IAI Appendix –
Form of Initial Note

EXHIBIT 2 to Rule 144A / Regulation S / IAI Appendix –
Form of Transferee Letter of Representation

EXHIBIT A – Form of Supplemental Indenture to Be Delivered
by Subsequent Guarantors

EXHIBIT B – Form of Incumbency Certificate

 

    - iv - 

     

    

 

 

INDENTURE dated as of June 12, 2020 (this
 “Indenture”), among BWX TECHNOLOGIES, INC., a Delaware corporation (the “Issuer”), the Guarantors
(as defined herein) listed on the signature pages hereto, and U.S. BANK NATIONAL ASSOCIATION, a national banking association, as
Trustee (the “Trustee” and as Paying Agent and Note Registrar (as defined herein)).

 

RECITALS OF THE ISSUER

 

The Issuer has duly authorized the creation
of an issue of 4.125% Senior Notes due 2028 issued on the date hereof (the “Initial Notes”) and to provide therefor
the Issuer has duly authorized the execution and delivery of this Indenture.

 

All things necessary have been done to make
the Initial Notes, when executed by the Issuer and authenticated and delivered hereunder and duly issued by the Issuer, the valid
and legally binding obligations of the Issuer and to make this Indenture a valid and legally binding agreement of the Issuer and
the Guarantors, in accordance with their and its terms.

 

Each of the parties hereto is entering into
this Indenture for the benefit of the other parties and for the equal and ratable benefit of the Holders (as defined below) of
(i) the Issuer’s Initial Notes and (ii) any Additional Notes (as defined herein) that may be issued from time to time under
this Indenture.

 

NOW, THEREFORE, THIS INDENTURE WITNESSETH:

 

For and in consideration of the premises
and the purchase of the Notes by the Holders thereof, it is mutually covenanted and agreed, for the equal and ratable benefit of
all Holders, as follows:

 

ARTICLE
One

DEFINITIONS AND OTHER PROVISIONS

OF GENERAL APPLICATION

 

SECTION
101.         Rules of Construction.

 

(a)                
For all purposes of this Indenture, except as otherwise expressly provided or unless the context otherwise requires:

 

(1)       the
terms defined in this Article have the meanings assigned to them in this Article, and words in the singular include the plural
and words in the plural include the singular;

 

(2)       all
accounting terms not otherwise defined herein have the meanings assigned to them in accordance with GAAP (as herein defined);

 

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

 

(4)       all
references to Articles, Sections, Exhibits and Appendices shall be construed to refer to Articles and Sections of, and Exhibits
and Appendices to, this Indenture;

 

(5)       “or”
is not exclusive;

 

(6)       “including”
means including without limitation; and

 

(7)       all
references to the date the Notes were originally issued shall refer to the Issue Date.

 

(b)               
This Indenture incorporates certain provisions of the TIA by reference.

 

     

     

    

 

The following TIA terms have the following
meanings:

 

(1)       “Commission”
means the SEC;

 

(2)       “indenture
securities” means the Notes and the Guarantees;

 

(3)       “indenture
security holder” means a Holder;

 

(4)       “indenture
to be qualified” means this Indenture;

 

(5)       “indenture
trustee” or “institutional trustee” means the Trustee; and

 

(6)       “obligor”
on the indenture securities means the Issuer, each Guarantor and any other obligor on the indenture securities.

 

All other TIA terms used in this Indenture
that are defined by the TIA, defined by TIA reference to another statute or defined by SEC rule have the meanings assigned to them
by such definitions.

 

SECTION
102.         Definitions.

 

“Acceptable Commitment”
has the meaning specified in Section 1017 of this Indenture.

 

“ACH” means Automated
Clearing House or any successor thereto.

 

“Acquired Indebtedness”
means, with respect to any specified Person,

 

(1)       Indebtedness
of any other Person existing at the time such other Person is merged with or into or became a Restricted Subsidiary of such specified
Person, including Indebtedness incurred in connection with, or in contemplation of, such other Person merging with or into or becoming
a Restricted Subsidiary of such specified Person, and

 

(2)       Indebtedness
secured by a Lien encumbering any asset acquired by such specified Person.

 

“Act” when used with
respect to any Holder, has the meaning specified in Section 105 of this Indenture.

 

“Additional Notes” means
any Notes issued by the Issuer pursuant to Section 313.

 

“Adjusted Net Assets”
has the meaning specified in Section 1205 of this Indenture.

 

“Affiliate” of any specified
Person means any other Person directly or indirectly controlling or controlled by or under direct or indirect common control with
such specified Person. For purposes of this definition, “control” (including, with correlative meanings, the
terms “controlling,” “controlled by” and “under common control with”),
as used with respect to any Person, shall mean the possession, directly or indirectly, of the power to direct or cause the direction
of the management or policies of such Person, whether through the ownership of voting securities, by agreement or otherwise.

 

“Affiliate Transaction”
has the meaning specified in Section 1013 of this Indenture.

 

“Agent” means any Note
Registrar, Transfer Agent, co-registrar, Paying Agent or other agent appointed in accordance with this Indenture to perform any
function that this Indenture authorized such agent to perform.

 

“Appendix” has the meaning
specified in Section 201 of this Indenture.

 

    -2-

     

    

 

“Applicable Calculation Date”
means the applicable date of calculation for (i) the Consolidated Secured Debt Ratio, (ii) the Consolidated Total Debt Ratio, (iii)
the Fixed Charge Coverage Ratio or (iv) EBITDA.

 

“Applicable Measurement Period”
means the most recently ended four fiscal quarters immediately preceding the Applicable Calculation Date for which internal financial
statements are available.

 

“Applicable Premium”
means, with respect to any Note on any Redemption Date, the greater of:

 

(1)       1.0%
of the principal amount of such Note; and

 

(2)       the
excess, if any, of:

 

(A)       the
present value at such Redemption Date of (i) the Redemption Price (such redemption price being set forth in the table appearing
in Section 1101) of such Note at June 30, 2023, plus (ii) all required interest payments due on such Note (excluding accrued
but unpaid interest to the Redemption Date) through June 30, 2023 computed using a discount rate equal to the Treasury Rate as
of such Redemption Date plus 50 basis points; over

 

(B)       the
principal amount of such Note.

 

Calculation of the Applicable Premium will
be made by the Issuer or on behalf of the Issuer by such Person as the Issuer shall designate; provided that such calculation
or the verification of such calculation shall not be a duty or obligation of the Trustee.

 

“Approved Commercial Bank”
means a commercial bank with a consolidated combined capital and surplus of at least $5,000,000,000.

 

“Asset Sale” means:

 

(1)       the
sale, conveyance, transfer or other disposition, whether in a single transaction or a series of related transactions, of
property or assets (including by way of a Sale and Lease-Back Transaction or Division) of the Issuer or any Restricted Subsidiary
(each referred to in this definition as a “disposition”) or

 

(2)       the
issuance or sale of Equity Interests of any Restricted Subsidiary (other than preferred stock of Restricted Subsidiaries issued
in compliance with the covenant described under Section 1011), whether in a single transaction or a series of related transactions.

 

Notwithstanding the preceding,
the following items shall not be deemed to be Asset Sales:

 

(A)       any
disposition of cash or Cash Equivalents or Investment Grade Securities or, excess, obsolete, damaged, unnecessary, unsuitable or
worn out property, equipment or other assets in the ordinary course of business, or any disposition of property or assets in connection
with scheduled turnarounds, maintenance and equipment and facility updates or any disposition of any inventory, immaterial assets
or goods (or other assets) held for sale or no longer used in the ordinary course of business or any disposition resulting from
the liquidation or dissolution of any Restricted Subsidiary that is dormant or no longer used in the Issuer’s ordinary course
of business to the extent made ratably in accordance with the relative equity interests held by, or capital accounts of, the owners
thereof;

 

(B)       the
disposition of all or substantially all of the assets of the Issuer or any Guarantor in a manner permitted pursuant to Section
801 or any disposition that constitutes a Change of Control pursuant to this Indenture;

 

(C)       the
making of any Restricted Payment or Permitted Investment that is permitted to be made, and is made, under Section 1010;

 

    -3-

     

    

 

(D)       any
disposition of property or other assets or issuance or sale of Equity Interests of any Restricted Subsidiary in any transaction
or series of transactions with an aggregate Fair Market Value of less than $25.0 million;

 

(E)       any
disposition of property or assets or issuance of securities by a Restricted Subsidiary to the Issuer or by the Issuer or a Restricted
Subsidiary to another Restricted Subsidiary;

 

(F)       to
the extent allowable under Section 1031 of the Internal Revenue Code of 1986, or any comparable or successor provision, any exchange
of like property (excluding any boot thereon) for use in a Similar Business;

 

(G)       the
lease, assignment, sub-lease, license or sub-license of any real or personal property in the ordinary course of business;

 

(H)       any
issuance, sale or pledge of Equity Interests in, or Indebtedness or other securities of, an Unrestricted Subsidiary;

 

(I)       foreclosures,
condemnation, eminent domain or any similar action on assets;

 

(J)       sales
or discounts of accounts receivable, or participations therein, in connection with any Receivables Facility;

 

(K)       any
financing transaction with respect to property built or acquired by the Issuer or any Restricted Subsidiary after the Issue Date,
including Sale and Lease-Back Transactions and asset securitizations permitted by this Indenture;

 

(L)       any
surrender or waiver of contractual rights or the settlement, release or surrender of contractual rights or other litigation claims
in the ordinary course of business;

 

(M)       the
sale, lease, assignment, license, sublease or discount of inventory, equipment, accounts receivable, notes receivable or other
current assets in the ordinary course of business or the conversion of accounts receivable to notes receivable or other dispositions
of accounts receivable in connection with the collection or compromise thereof;

 

(N)       the
licensing or sub-licensing of intellectual property or other general intangibles in the ordinary course of business;

 

(O)       the
unwinding of any Hedging Obligations;

 

(P)       sales,
transfers and other dispositions of Investments in joint ventures to the extent required by, or made pursuant to, customary buy/sell
or put/call arrangements between the joint venture parties set forth in joint venture arrangements and similar binding arrangements;

 

(Q)       the
lapse or abandonment of intellectual property rights in the ordinary course of business, which in the reasonable good faith determination
of the Issuer are not material to the conduct of the business of the Issuer and its Restricted Subsidiaries taken as a whole;

 

(R)       the
issuance of directors’ qualifying shares and shares issued to foreign nationals or other third parties as required by applicable
law;

 

(S)       dispositions
of assets (including, without limitation, assets of acquired Subsidiaries) after the acquisition thereof (or, as applicable, the
acquisition of such acquired Subsidiary) if such assets are not used or useful in the core or principal business of the Issuer
and its Restricted Subsidiaries; and

 

    -4-

     

    

 

(T)       any
disposition deemed to occur with creating, granting or perfecting a Lien not otherwise prohibited by this Indenture.

 

“Asset Sale Offer” has
the meaning specified in Section 1017(c) of this Indenture.

 

“Bankruptcy Law” means
Title 11, United States Bankruptcy Code of 1978, as amended, or any similar United States Federal or state law and the law of any
other jurisdiction relating to bankruptcy, insolvency, receivership, winding-up, liquidation, reorganization or relief of debtors
or any amendment to, succession to or change in any such law.

 

“Board of Directors”
means, for any Person, the board of directors or other governing body of such Person or, if such Person does not have such a board
of directors or other governing body and is owned or managed by a single entity, the board of directors or other governing body
of such entity, or, in either case, any committee thereof duly authorized to act on behalf of such board of directors or other
governing body.

 

“Board Resolution” means
with respect to the Issuer, a duly adopted resolution of the Board of Directors of the Issuer or any committee of such Board of
Directors.

 

“Business Day” means
each day which is not a Legal Holiday.

 

“Capitalized Lease Obligation”
means, at the time any determination thereof is to be made, the amount of the liability in respect of a capital lease that would
at such time be required to be capitalized and reflected as a liability on a balance sheet (excluding the footnotes thereto) in
accordance with GAAP; provided, however, that for purposes of determining whether a capital lease is required to be capitalized
and reflected as a liability on a balance sheet (excluding the footnotes thereto), such determination will be made using GAAP as
in effect on May 24, 2018. The amount of Indebtedness represented by such obligation will be the capitalized amount of such obligation
at the time any determination thereof is to be made as determined in accordance with GAAP, and the stated maturity thereof will
be the date of the last payment of rent or any other amount due under such lease prior to the first date such lease may be terminated
without penalty.

 

“Capital Stock” means:

 

(1)       in
the case of a corporation, corporate stock,

 

(2)       in
the case of an association or business entity, any and all shares, interests, participations, rights or other equivalents (however
designated) of corporate stock,

 

(3)       in
the case of a partnership or limited liability company, partnership or membership interests (whether general or limited), and

 

 (4)       any other interest or participation that confers on a Person the right to receive a share of the profits and losses of, or distributions of assets of, the issuing Person.

 

    -5-

     

    

 

“Cash Equivalents” means:

 

(1)       United
States dollars,

 

(2)       Canadian
dollars,

 

(3)       (A)
euro, pounds sterling or any national currency of any participating member state in the European Union, or (B) local currencies
held from time to time in the ordinary course of business,

 

(4)       securities
issued or directly and fully and unconditionally guaranteed or insured by the U.S. government, Canada, the Province of Ontario,
or any country that is a member state of the European Union or any agency or instrumentality thereof the securities of which are
unconditionally guaranteed as a full faith and credit obligation of such government with maturities of 24 months or less from the
date of acquisition,

 

(5)       certificates
of deposit, time deposits and dollar time deposits with maturities of one year or less from the date of acquisition, bankers’
acceptances with maturities not exceeding one year and overnight bank deposits, in each case, with any commercial bank having capital
and surplus of not less than $250.0 million in the case of United States banks and $100.0 million (or the U.S. dollar equivalent
as of the date of determination) in the case of foreign banks,

 

(6)       repurchase
obligations for underlying securities of the types described in clauses (4) and (5) above, entered into with any financial institution
meeting the qualifications specified in clause (5) above,

 

(7)       commercial
paper rated at least P-2 by Moody’s or at least A-2 by S&P and in each case maturing within 24 months after the date
of creation thereof,

 

(8)       marketable
short-term money market and similar securities having a rating of at least P-2 or A-2 from either Moody’s or S&P, respectively
(or, if at any time neither Moody’s nor S&P shall be rating such obligations, an equivalent rating from another Rating
Agency) and in each case maturing within 24 months after the date of creation thereof,

 

(9)       investment
funds investing 95% of their assets in securities of the types described in clauses (1) through (8) above, and (10) through (14)
below,

 

(10)     direct
obligations issued by any state, commonwealth or territory of the United States of America or any political subdivision or taxing
authority thereof having one of the two highest rating categories obtainable from either Moody’s or S&P with maturities
of 24 months or less from the date of acquisition,

 

(11)     Indebtedness
or preferred stock issued by Persons with a rating of “A” or higher from S&P or “A2” or higher from
Moody’s with maturities of 24 months or less from the date of acquisition,

 

(12)     Investments
with average maturities of 24 months or less from the date of acquisition in money market funds rated AAA- (or the equivalent thereof)
or better by S&P or Aaa3 (or the equivalent thereof) or better by Moody’s,

 

(13)     in
the case of Investments by any Restricted Subsidiary that is a Foreign Subsidiary, Investments of comparable tenor and credit quality
to those described in the foregoing clauses (1) through (12) customarily utilized in countries in which such Foreign Subsidiary
operates for short term cash management purposes, and

 

(14)     Indebtedness
issued by Persons with a rating of “BBB-” or higher from S&P or “Baa3” or higher from Moody’s
with maturities of one year or less from the date of acquisition in an aggregate amount not to exceed $30.0 million at any time.

 

Notwithstanding the foregoing, Cash Equivalents
shall include amounts denominated in currencies other than those set forth in clauses (1) through (3) above; provided that
such amounts are converted into any currency listed in clauses (1) through (3) above, as promptly as practicable and in any event
within (ten) 10 Business Days following the receipt of such amounts.

 

“Cash Management Services”
means any of the following to the extent not constituting a line of credit (other than an overnight overdraft facility that is
not in default): ACH transactions, treasury and/or cash management services, including, without limitation, controlled disbursement
services, overdraft facilities, foreign exchange facilities, deposit and other accounts and merchant services.

 

    -6-

     

    

 

“Change of Control” means
the occurrence of any of the following after the Issue Date:

 

(1)       the
sale, lease or transfer, in one or a series of related transactions, of all or substantially all of the assets of the Issuer and
its Subsidiaries, taken as a whole, to any Person other than a Permitted Holder in connection with which any Person other than
one or more Permitted Holders, is or becomes the beneficial owner (within the meaning of Rule 13d-3 under the Exchange Act, or
any successor provision), directly or indirectly, of more than 50% of the total voting power of the Voting Stock of the transferee
Person in such sale, lease or transfer of assets, as the case may be, provided that (x) so long as such transferee Person
is a Subsidiary of a Permitted Parent, no Person shall be deemed to be or become a beneficial owner of more than 50% of the total
voting power of the Voting Stock of such transferee Person unless such Person shall be or become a beneficial owner of more than
50% of the total voting power of the Voting Stock of such Permitted Parent and (y) any Voting Stock of which any Permitted Holder
is the beneficial owner shall not in any case be included in the calculation of any Voting Stock of which any such Person first
referred to above in this clause (1) is the beneficial owner; or

 

(2)       at
any time, the Issuer becomes aware of (by way of a report or any other filing pursuant to Section 13(d) of the Exchange Act, proxy,
vote, written notice or otherwise) the acquisition by any Person or group (within the meaning of Section 13(d)(3) or Section 14(d)(2)
of the Exchange Act, or any successor provision), including any group acting for the purpose of acquiring, holding or disposing
of securities (within the meaning of Rule 13d-5(b)(1) under the Exchange Act, or any successor provision), other than the Permitted
Holders, in a single transaction or in a related series of transactions, by way of merger, consolidation or other business combination
or purchase of beneficial ownership of 50% or more of the total voting power of the Voting Stock of the Issuer or any direct or
indirect parent company of the Issuer; provided that (x) so long as the Issuer is a Subsidiary of a parent company, no Person
shall be deemed to be or become a beneficial owner of more than 50% of the total voting power of the Voting Stock of the Issuer
unless such Person shall be or become a beneficial owner of more than 50% of the total voting power of the Voting Stock of such
parent company and (y) any Voting Stock of which any Permitted Holder is the beneficial owner shall not in any case be included
in calculating the Voting Stock of which any such Person first referred to above in this clause (2) is the beneficial owner.

 

“Change of Control Offer”
has the meaning specified in Section 1016 of this Indenture.

 

“Change
of Control Payment” has the meaning specified in Section 1016 of this Indenture.

 

“Change of Control Payment Date”
has the meaning specified in Section 1016 of this Indenture.

 

“consolidated” or “Consolidated”
means, with respect to any Person, such Person on a consolidated basis in accordance with GAAP, but excluding from such consolidation
any Unrestricted Subsidiary as if such Unrestricted Subsidiary were not an Affiliate of such Person.

 

“Consolidated Depreciation and
Amortization Expense” means, with respect to any Person for any period, the total amount of depreciation and amortization
expense, including the amortization of deferred financing fees or costs, debt issuance costs, commissions, fees and expenses, capitalized
expenditures, customer acquisition costs and incentive payments, conversion costs and contract acquisition costs of such Person
and its Restricted Subsidiaries for such period on a consolidated basis and otherwise determined in accordance with GAAP.

 

    -7-

     

    

 

“Consolidated Interest Expense”
means, with respect to any Person for any period, the sum, without duplication, of:

 

(1)       consolidated
interest expense of such Person and its Restricted Subsidiaries for such period, to the extent such expense was deducted (and not
added back) in computing Consolidated Net Income (including (a) amortization of original issue discount or premium resulting from
the issuance of Indebtedness at less than or greater than par, as applicable, (b) all commissions, discounts and other fees and
charges owed with respect to letters of credit or bankers acceptances, (c) non-cash interest payments (but excluding any non-cash
interest expense attributable to the movement in the mark to market valuation of Indebtedness or derivative instruments pursuant
to GAAP), (d) the interest component of Capitalized Lease Obligations and (e) net payments, if any, pursuant to interest rate Hedging
Obligations with respect to Indebtedness, and excluding (r) any one-time cash costs associated with breakage in respect of hedging
agreements for interest rates, (s) penalties and interest relating to taxes, (t) accretion or accrual of discounted liabilities
not constituting Indebtedness, (u) interest expense attributable to a parent entity resulting from push-down accounting, (v) any
expense resulting from the discounting of Indebtedness in connection with the application of recapitalization or purchase accounting,
(w) any “additional interest” owing pursuant to a registration rights agreement, (x) amortization of deferred financing
fees, debt issuance costs, commissions, fees and expenses, and original issue discount with respect to Indebtedness issued in connection
with the Transactions or any intercompany Indebtedness, (y) any expensing of bridge, commitment and other financing fees and (z)
commissions, discounts, yield and other fees and charges (including any interest expense) related to any Receivables Facility);
plus

 

(2)       consolidated
capitalized interest of such Person and its Restricted Subsidiaries for such period, whether paid or accrued, less

 

(3)       interest
income for such period.

 

For purposes of this definition, interest
on a Capitalized Lease Obligation shall be deemed to accrue at an interest rate reasonably determined by such Person to be the
rate of interest implicit in such Capitalized Lease Obligation in accordance with GAAP.

 

“Consolidated Net Income”
means, with respect to any Person for any period, the aggregate of the Net Income of such Person and its Restricted Subsidiaries
for such period, on a consolidated basis, and otherwise determined in accordance with GAAP; provided that, without duplication,

 

(1)       any
after-tax effect of extraordinary, non-recurring or unusual gains or losses (less all fees and expenses relating thereto) or expenses
(including relating to the Transactions), severance, relocation costs, curtailments or modifications to pension and post-retirement
employee benefits plans, start-up, transition, integration and other restructuring and business optimization costs, charges, reserves
or expenses (including related to acquisitions after the Issue Date and to the start-up, closure and/or consolidation of facilities),
new product introductions, and one-time compensation charges shall be excluded,

 

(2)       the
Net Income for such period shall not include the cumulative effect of a change in accounting principles and changes as a result
of adoption or modification of accounting policies during such period,

 

(3)       any
net after-tax gains or losses on disposal of disposed, abandoned, transferred, closed or discontinued operations shall be excluded,

 

(4)       any
after-tax effect of gains or losses (less all fees and expenses relating thereto) attributable to asset dispositions or abandonments
other than in the ordinary course of business, as determined in good faith by the Issuer, shall be excluded,

 

(5)       solely
for the purpose of determining the amount available for Restricted Payments under clause (C)(1) of Section 1010(a), the Net Income
for such period of any Restricted Subsidiary (other than any Subsidiary Guarantor) shall be excluded to the extent the declaration
or payment of dividends or similar distributions by that Restricted Subsidiary of its Net Income is not at the date of determination
permitted without any prior governmental approval (which has not been obtained) or, directly or indirectly, by the operation of
the terms of its charter or any agreement, instrument, judgment, decree, order, statute, rule, or governmental regulation applicable
to that Restricted Subsidiary or its stockholders, unless such restriction with respect to the payment of dividends or similar
distributions has been legally waived; provided that Consolidated Net Income of the Issuer will be increased by the amount
of dividends or other distributions or other payments actually paid in cash (or to the extent converted into cash) or Cash Equivalents
to the Issuer or a Restricted Subsidiary in respect of such period, to the extent not already included therein,

 

    -8-

     

    

 

(6)       effects
of adjustments (including the effects of such adjustments pushed down to the Issuer and its Restricted Subsidiaries) in any line
item in such Person’s consolidated financial statements in accordance with GAAP resulting from the application of purchase
accounting, including in relation to the Transactions, or the amortization or write-off of any amounts thereof, net of taxes, shall
be excluded,

 

(7)       (i)
any after-tax effect of income (loss) from the early extinguishment of Indebtedness or Hedging Obligations or other derivative
instruments (including deferred financing costs written off and premiums paid), (ii) any non-cash income (or loss) related to currency
gains or losses related to Indebtedness, intercompany balances and other balance sheet items and to Hedging Obligations pursuant
to Financial Accounting Standards Codification No. 815—Derivatives and Hedging and its related pronouncements and interpretations
(or any successor provision) and (iii) any non-cash expense, income or loss attributable to the movement in mark-to-market valuation
of foreign currencies, Indebtedness or derivative instruments pursuant to GAAP, shall be excluded,

 

(8)       any
impairment charge, asset write-off or write-down in each case pursuant to GAAP shall be excluded,

 

(9)       (i)
any non-cash compensation expense recorded from grants of stock appreciation or similar rights, phantom equity, stock options,
restricted stock, units or other rights to officers, directors, managers or employees and (ii) non-cash income (loss) attributable
to deferred compensation plans or trusts, shall be excluded,

 

(10)       any
fees and expenses incurred during such period, or any amortization thereof for such period, in connection with any acquisition,
Investment, recapitalization, Asset Sale, issuance or repayment of Indebtedness (including, without limitation, the Notes), issuance
of Equity Interests, refinancing transaction or amendment or modification of any debt instrument (in each case, including any such
transaction consummated prior to the Issue Date and any such transaction undertaken but not completed) and any charges or non-recurring
merger costs incurred during such period as a result of any such transaction shall be excluded,

 

(11)       accruals
and reserves, contingent liabilities and any gains or losses on the settlement of any pre-existing contractual or non-contractual
relationships that are established or adjusted within twelve months after the Issue Date that are so required to be established
as a result of the Transactions in accordance with GAAP shall be excluded,

 

(12)       to
the extent covered by insurance or indemnification and actually reimbursed, or, so long as the Issuer has made a determination
that there exists reasonable evidence that such amount will in fact be reimbursed by the insurer or indemnifying party and only
to the extent that such amount is (a) not denied by the applicable carrier or indemnifying party in writing within 180 days and
(b) in fact reimbursed within 365 days of the date of such evidence (with a deduction for any amount so added back to the extent
not so reimbursed within 365 days), losses and expenses with respect to liability or casualty events or business interruption shall
be excluded, and

 

(13)       any
deferred tax expense associated with tax deductions or net operating losses arising as a result of the Transactions, or the release
of any valuation allowance related to such item, shall be excluded.

 

Notwithstanding the foregoing, for the purpose
of Section 1010 only (other than clause (C)(4) of Section 1010(a)), there shall be excluded from Consolidated Net Income any income
arising from any sale or other disposition of Restricted Investments made by the Issuer and the Restricted Subsidiaries, any repurchases
and redemptions of Restricted Investments from the Issuer and the Restricted Subsidiaries, any repayments of loans and advances
which constitute Restricted Investments by the Issuer or any Restricted Subsidiary, any sale of the stock of an Unrestricted Subsidiary
or any distribution or dividend from an Unrestricted Subsidiary, in each case only to the extent such amounts increase the amount
of Restricted Payments permitted under such covenant pursuant to clause (C)(4) of Section 1010(a).

 

    -9-

     

    

 

“Consolidated Secured Debt Ratio”
means, as of any date of determination, the ratio of (1) Consolidated Total Secured Indebtedness minus cash and Cash Equivalents
of the Issuer and the Guarantors, in each case, as of the end of the most recent fiscal period for which internal financial statements
are available immediately preceding the Applicable Calculation Date to (2) EBITDA of the Issuer for the Applicable Measurement
Period, with such pro forma adjustments to Consolidated Total Secured Indebtedness, cash and Cash Equivalents and EBITDA
as are appropriate and consistent with the pro forma adjustment provisions set forth in the definition of “Fixed Charge
Coverage Ratio.”

 

“Consolidated Total Debt Ratio”
means, as of any date of determination, the ratio of (1) Consolidated Total Indebtedness minus cash and Cash Equivalents of the
Issuer and its Restricted Subsidiaries, in each case, as of the end of the most recent fiscal period for which internal financial
statements are available immediately preceding the Applicable Calculation Date to (2) EBITDA of the Issuer for the Applicable Measurement
Period, with such pro forma adjustments to Consolidated Total Indebtedness, cash and Cash Equivalents and EBITDA as are appropriate
and consistent with the pro forma adjustment provisions set forth in the definition of “Fixed Charge Coverage Ratio”
(other than as set forth in the proviso to the first paragraph thereof).

 

“Consolidated Total Indebtedness”
means, as at any date of determination, an amount equal to the sum of (1) the aggregate amount of all outstanding Indebtedness
of the Issuer and its Restricted Subsidiaries on a consolidated basis consisting of Indebtedness for borrowed money, Obligations
in respect of Capitalized Lease Obligations and debt obligations evidenced by promissory notes and similar instruments (and excluding,
for the avoidance of doubt, Hedging Obligations) and (2) the aggregate amount of all outstanding Disqualified Stock of the Issuer
and all preferred stock of the Restricted Subsidiaries, with the amount of such Disqualified Stock and preferred stock equal to
the greater of their respective voluntary or involuntary liquidation preferences and their Maximum Fixed Repurchase Prices, in
each case in clauses (1) and (2) above, determined on a consolidated basis in accordance with GAAP.

 

For purposes hereof, the “Maximum
Fixed Repurchase Price” of any Disqualified Stock or preferred stock means the price at which such Disqualified Stock
or preferred stock could be redeemed or repurchased by the issuer thereof in accordance with its terms or, if such Disqualified
Stock or preferred stock cannot be so redeemed or repurchased, the Fair Market Value of such Disqualified Stock or preferred stock,
in each case, determined on any date on which Consolidated Total Indebtedness shall be required to be determined.

 

“Consolidated Total Secured Indebtedness”
means, as at any date of determination, the amount of Consolidated Total Indebtedness that is Secured Indebtedness as of such date.

 

“Contingent Obligations”
means, with respect to any Person, any obligation of such Person guaranteeing any leases, dividends or other obligations that do
not constitute Indebtedness (“primary obligations”) of any other Person (the “primary obligor”)
in any manner, whether directly or indirectly, including, without limitation, any obligation of such Person, whether or not contingent,

 

(1)       to
purchase any such primary obligation or any property constituting direct or indirect security therefor,

 

(2)       to
advance or supply funds

 

(A)       for
the purchase or payment of any such primary obligation or

 

(B)       to
maintain working capital or equity capital of the primary obligor or otherwise to maintain the net worth or solvency of the primary
obligor, or

 

(3)       to
purchase property, securities or services primarily for the purpose of assuring the owner of any such primary obligation of the
ability of the primary obligor to make payment of such primary obligation against loss in respect thereof.

 

    -10-

     

    

 

“Corporate
Trust Office” means the corporate trust office of the Trustee, at which at any particular time its corporate trust business
in relation to this Indenture shall be administered, which office at the date of execution of this Indenture is located at U.S.
Bank National Association, James Center II 1021 E. Cary Street, Suite 1850, Richmond, VA 23219, Attention: Global Corporate Trust
Services, except that with respect to presentation of the Notes for payment or for registration of transfer or exchange,
such term shall mean the office or agency of the Trustee which, at any particular time, its corporate agency business in relation
to this Indenture shall be conducted, which office at the date of execution of this Indenture is located at U.S. Bank National
Association, 111 Fillmore Ave E, St. Paul, MN 55107, Attention: Global Trust Services.

 

“Covenant Defeasance”
has the meaning specified in Section 1303 of this Indenture.

 

“Covenant Suspension Event”
has the meaning specified in Section 1018(a) of this Indenture.

 

“Credit Facilities” means,
with respect to the Issuer or any Restricted Subsidiary, one or more debt facilities, including the Senior Credit Facility, or
other financing arrangements (including, without limitation, commercial paper facilities with banks or other institutional lenders
or investors or indentures) providing for revolving credit loans, term loans, letters of credit or other long-term indebtedness,
including any notes, mortgages, guarantees, collateral documents, instruments and agreements executed in connection therewith,
and any amendments, supplements, modifications, extensions, renewals, restatements or refundings thereof and any indentures or
credit facilities or commercial paper facilities with banks or other institutional lenders or investors that Refinance any part
of the loans, notes or other securities, other credit facilities or commitments thereunder, including any such Refinancing facility
or indenture that increases the amount permitted to be borrowed thereunder or alters the maturity thereof (provided that
such increase in borrowings is permitted under Section 1011) or adds Restricted Subsidiaries as additional borrowers or guarantors
thereunder and whether by the same or any other agent, lender or group of lenders.

 

“Default” means any event
that is, or with the passage of time or the giving of notice or both would be, an Event of Default.

 

“Defaulted Interest”
has the meaning specified in Section 307(b) of this Indenture.

 

“Depository” means The
Depository Trust Company, its nominees and their respective successors.

 

“Derivative Instrument”
with respect to a Person, means any contract, instrument or other right to receive payment or delivery of cash or other assets
to which such Person or any Affiliate of such Person that is acting in concert with such Person in connection with such Person’s
investment in the Notes (other than a Regulated Bank or a Screened Affiliate) is a party (whether or not requiring further performance
by such Person), the value and/or cash flows of which (or any material portion thereof) are materially affected by the value and/or
performance of the Notes and/or the creditworthiness of the Performance References.

 

“Designated Non-cash Consideration”
means the Fair Market Value of non-cash consideration received by the Issuer or a Restricted Subsidiary in connection with an Asset
Sale that is so designated as Designated Non-cash Consideration pursuant to an Officer’s Certificate, setting forth the basis
of such valuation, executed by the principal financial officer of the Issuer, less the amount of cash or Cash Equivalents received
in connection with a subsequent sale of or collection on such Designated Non-cash Consideration.

 

“Designated Preferred Stock”
means preferred stock of the Issuer, any Restricted Subsidiary or any direct or indirect parent company of the Issuer (in each
case other than Disqualified Stock) that is issued for cash (other than to a Restricted Subsidiary or an employee stock ownership
plan or trust established by the Issuer or any of its Subsidiaries) and is so designated as Designated Preferred Stock, pursuant
to an Officer’s Certificate executed by the principal financial officer of the Issuer or such parent company thereof, as
the case may be, on the issuance date thereof, the cash proceeds of which are excluded from the calculation set forth in clause
(C) of Section 1010(a).

 

    -11-

     

    

 

“Disqualified Stock”
means, with respect to any Person, any Capital Stock of such Person which, by its terms, or by the terms of any security into which
it is convertible or for which it is putable or exchangeable, or upon the happening of any event, matures or is mandatorily redeemable,
other than as a result of a change of control, asset sale or casualty or condemnation event, pursuant to a sinking fund obligation
or otherwise, or is redeemable at the option of the holder thereof, other than as a result of a change of control, asset sale or
casualty or condemnation event, in whole or in part, in each case prior to the date 91 days after the earlier of the maturity date
of the Notes or the date the Notes are no longer outstanding; provided that if such Capital Stock is issued to any plan
for the benefit of employees of the Issuer or its Subsidiaries or by any such plan to such employees, such Capital Stock shall
not constitute Disqualified Stock solely because it may be required to be repurchased by the Issuer or its Subsidiaries in order
to satisfy applicable statutory or regulatory obligations.

 

“Dividing Person” has
the meaning assigned to it in the definition of “Division”.

 

“Division” means the
division of the assets, liabilities and/or obligations of a Person (the “Dividing Person”) among two or more
Persons (whether pursuant to a “plan of division” or similar arrangement), which may or may not include the Dividing
Person and pursuant to which the Dividing Person may or may not survive.

 

“Division Successor”
means any Person that, upon the consummation of a Division of a Dividing Person, holds all or any portion of the assets, liabilities
and/or obligations previously held by such Dividing Person immediately prior to the consummation of such Division. A Dividing Person
which retains any of its assets, liabilities and/or obligations after a Division shall be deemed a Division Successor upon the
occurrence of such Division.

 

“Domestic Subsidiary”
means, with respect to any person, any Restricted Subsidiary of such Person other than a Foreign Subsidiary.

 

“EBITDA” means, with
respect to any Person for any period, the Consolidated Net Income of such Person for such period

 

(1)       increased
(without duplication) by:

 

(A)       provision
for taxes based on income or profits or capital gains, including, without limitation, U.S. federal, state, non-U.S., franchise,
excise, value added and similar taxes and foreign withholding taxes of such Person paid or accrued during such period, including
any penalties and interest relating to such taxes or arising from any tax examinations deducted (and not added back) in computing
Consolidated Net Income, plus

 

(B)       Fixed
Charges of such Person for such period (including (x) net losses on Hedging Obligations or other derivative instruments entered
into for the purpose of hedging interest rate risk and (y) costs of surety bonds in connection with financing activities, in each
case, to the extent included in Fixed Charges), together with items excluded from the definition of “Consolidated Interest
Expense” pursuant to clauses (1)(r) through (1)(z) thereof, to the extent the same were deducted (and not added back) in
calculating such Consolidated Net Income, plus

 

(C)       Consolidated
Depreciation and Amortization Expense of such Person for such period to the extent the same were deducted (and not added back)
in computing Consolidated Net Income, plus

 

(D)       any
fees, expenses, charges or losses (other than depreciation or amortization expense) related to any Equity Offering, Permitted Investment,
acquisition, disposition, recapitalization or the incurrence of Indebtedness permitted to be incurred by this Indenture (including
a refinancing thereof) (whether or not successful), including (i) such fees, expenses or charges related to the offering of the
Notes and the Senior Credit Facility and (ii) any amendments or other modification of the Notes, the Senior Credit Facility or
other Indebtedness and, in each case, deducted (and not added back) in computing Consolidated Net Income, plus

 

(E)       any
other non-cash charges, including any write offs, write downs, expenses, losses or items to the extent the same were deducted (and
not added back) in computing Consolidated Net Income (provided that if any such non-cash charges represent an accrual or
reserve for potential cash items in any future period, the cash payment in respect thereof in such future period shall be deducted
from EBITDA to such extent, and excluding amortization of a prepaid cash item that was paid in a prior period), plus

 

    -12-

     

    

 

(F)       the
amount of any minority interest expense consisting of net income attributable to non-controlling interests of third parties in
any non-Wholly Owned Subsidiary deducted (and not added back) in such period in calculating Consolidated Net Income, plus

 

(G)       [reserved],
plus

 

(H)       costs
of surety bonds incurred in such period in connection with financing activities, plus

 

(I)        the
amount of net cost savings, operating expense reductions, operating improvements and initiatives and synergies projected by the
Issuer in good faith to be realized as a result of specified actions taken or to be taken (which cost savings or synergies shall
be calculated on a pro forma basis as though such cost savings, operating expense reductions or synergies had been realized
on the first day of such period), net of the amount of actual benefits realized during such period from such actions; provided
that (A) such cost savings, operating expense reductions or synergies are reasonably identifiable and factually supportable
and (B) such actions have been taken or are to be taken within 24 months after the date of determination to take such action, plus

 

(J)       the
amount of loss or discount on sales of receivables and related assets to the Receivables Subsidiary in connection with a Receivables
Facility, plus

 

(K)       any
costs or expense incurred by the Issuer or a Restricted Subsidiary pursuant to any management equity plan or stock option plan
or any other management or employee benefit plan or agreement or any stock subscription or shareholder agreement, to the extent
that such cost or expenses are funded with cash proceeds contributed to the capital of the Issuer or net cash proceeds of an issuance
of Equity Interests of the Issuer (other than Disqualified Stock) solely to the extent that such net cash proceeds are excluded
from the calculation set forth in clause (C) of Section 1010(a); and have not been relied on for purposes of any incurrence of
Indebtedness pursuant to clause (12)(A) of Section 1011(b), plus

 

(L)       the
amount of expenses relating to payments made to option holders of any direct or indirect parent company of the Issuer or any of
its direct or indirect parent companies in connection with, or as a result of, any distribution being made to shareholders of such
Person or its direct or indirect parent companies, which payments are being made to compensate such option holders as though they
were shareholders at the time of, and entitled to share in, such distribution, in each case to the extent permitted under this
Indenture, plus

 

(M)      with
respect to any joint venture that is not a Restricted Subsidiary, an amount equal to the proportion of those items described in
clauses (A) and (C) above relating to such joint venture corresponding to the Issuer’s and the Restricted Subsidiaries’
proportionate share of such joint venture’s Consolidated Net Income (determined as if such joint venture were a Restricted
Subsidiary), plus

 

(N)       [reserved],
plus

 

(O)       cash
receipts (or any netting arrangements resulting in reduced cash expenses) not included in EBITDA in any period to the extent non-cash
gains relating to such receipts were deducted in the calculation of EBITDA pursuant to paragraph (2) below for any previous period
and not added back, plus

 

    -13-

     

    

 

(P)       any
non-cash loss, charge, or expense relating to the incurrence of obligations in respect of any “earn out” or other similar
contingent obligations, but only for so long as such loss, charge or expense remains a non-cash contingent obligation, and

 

(2)      decreased
by (without duplication) non-cash gains increasing Consolidated Net Income of such Person for such period, excluding any non-cash
gains which represent the reversal of any accrual of, or cash reserve for, anticipated cash charges that reduced EBITDA in any
prior period; provided that, to the extent non-cash gains are deducted pursuant to this clause (2) for any previous period
and not otherwise added back to EBITDA, EBITDA shall be increased by the amount of any cash receipts (or any netting arrangements
resulting in reduced cash expenses) in respect of such non-cash gains received in subsequent periods to the extent not already
included therein, and

 

(3)       increased
or decreased by (without duplication):

 

(A)       any
net gain or loss resulting in such period from currency gains or losses related to Indebtedness, intercompany balances and other
balance sheet items, plus or minus, as the case may be, and

 

(B)       any
net gain or loss resulting in such period from Hedging Obligations, and the application of Financial Accounting Standards Codification
No. 815— Derivatives and Hedging, and its related pronouncements and interpretations (or any successor provision).

 

“Equity Interest” means
Capital Stock and all warrants, options or other rights, including, without limitation, restricted stock, restricted stock units
or performance units to acquire Capital Stock, but excluding any debt security that is convertible into, or exchangeable for, Capital
Stock.

 

“Equity Offering” means
any public or private sale of common stock or preferred stock of the Issuer or any direct or indirect parent company of the Issuer
(excluding Disqualified Stock), other than:

 

(1)       public
offerings with respect to the Issuer’s or any of its direct or indirect parent company’s common stock registered on
Form S-4 or Form S-8;

 

(2)       issuances
to any Subsidiary of the Issuer; and

 

(3)       any
such public or private sale that constitutes an Excluded Contribution.

 

“euro” means the single
currency of participating member states of the Economic and Monetary Union of the European Union.

 

“Event of Default” has
the meaning specified in Section 501 of this Indenture.

 

“Excess Proceeds” has
the meaning specified in Section 1017(c) of this Indenture.

 

“Exchange Act” means
the Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC promulgated thereunder.

 

“Excluded Contribution”
means net cash proceeds, the Fair Market Value of marketable securities or the Fair Market Value of Qualified Proceeds received
by the Issuer from:

 

(1)       contributions
to its common equity capital, and

 

(2)       the
sale (other than to a Subsidiary of the Issuer or to any management equity plan or stock option plan or any other management or
employee benefit plan or agreement of the Issuer) of Capital Stock (other than Disqualified Stock and Designated Preferred Stock)
of the Issuer, in each case designated as Excluded Contributions pursuant to
an Officer’s Certificate of the Issuer on the date such capital contributions are made or the date such Equity Interests
are sold, as the case may be, which are excluded from the calculation set forth in clause (C) of Section 1010(a).

 

    -14-

     

    

 

“Existing Indebtedness”
means Indebtedness of the Issuer or any Restricted Subsidiary in existence on the Issue Date, plus interest accruing (or the accretion
of discount) thereon.

 

“Fair Market Value” means,
with respect to any Investment, asset or property, the fair market value of such Investment, asset or property, determined in good
faith by senior management or the Board of Directors of the Issuer, whose determination will be conclusive for all purposes under
this Indenture and the Notes.

 

“Fixed Charge Coverage Ratio”
means, with respect to any Person as of any Applicable Calculation Date, the ratio of (1) EBITDA of such Person for the Applicable
Measurement Period to (2) the Fixed Charges of such Person for such Applicable Measurement Period. In the event that the Issuer
or any Restricted Subsidiary incurs, assumes, guarantees, redeems, retires or extinguishes any Indebtedness or issues or redeems
Disqualified Stock or preferred stock subsequent to the commencement of the Applicable Measurement Period but on or prior to the
Applicable Calculation Date, then the Fixed Charge Coverage Ratio shall be calculated giving pro forma effect to such incurrence,
assumption, guarantee, redemption, retirement or extinguishment of Indebtedness, or such issuance or redemption of Disqualified
Stock or preferred stock (in each case, including a pro forma application of the net proceeds therefrom), as if the same
had occurred at the beginning of the Applicable Measurement Period; provided, however, that the pro forma calculation
shall not give effect to any Indebtedness incurred on such determination date pursuant to the provisions described in Section 1011(b)
(other than Indebtedness incurred pursuant to Section 1011(b)(14)); provided further that, for purposes of the calculation
of the Fixed Charge Coverage Ratio, in connection with the incurrence of any Indebtedness pursuant to Section 1011(a) the Issuer
may elect, pursuant to an Officer’s Certificate delivered to the Trustee, to treat all or any portion of the commitment under
any Indebtedness which is to be incurred, as being incurred as of the Applicable Calculation Date and any subsequent incurrence
of Indebtedness under such commitment that was so treated shall not be deemed, for purposes of this calculation, to be an incurrence
of additional Indebtedness.

 

For purposes of calculating the Fixed Charge
Coverage Ratio, Investments, acquisitions, dispositions, mergers, consolidations and disposed operations (as determined in accordance
with GAAP) that have been made by the Issuer or any Restricted Subsidiary during the Applicable Measurement Period or subsequent
to such Applicable Measurement Period and on or prior to or simultaneously with the Applicable Calculation Date shall be calculated
on a pro forma basis assuming that all such Investments, acquisitions, dispositions, mergers, consolidations and disposed
operations (and the change in any associated fixed charge obligations and the change in EBITDA resulting therefrom) had occurred
on the first day of the Applicable Measurement Period. If since the beginning of such period any Person (that subsequently became
a Restricted Subsidiary or was merged with or into the Issuer or any Restricted Subsidiary since the beginning of such period)
shall have made any Investment, acquisition, disposition, merger, consolidation or disposed operation that would have required
adjustment pursuant to this definition, then the Fixed Charge Coverage Ratio shall be calculated giving pro forma effect
thereto for such Applicable Measurement Period as if such Investment, acquisition, disposition, merger, consolidation or disposed
operation had occurred at the beginning of the Applicable Measurement Period.

 

For purposes of this definition, whenever
pro forma effect is to be given to a transaction, the pro forma calculations shall be made in good faith by a responsible
financial or accounting officer of the Issuer (and may include, for the avoidance of doubt and without duplication, cost savings
and operating expense reductions resulting from such Investment, acquisition, merger or consolidation which is being given pro
forma effect that have been or are expected to be realized). If any Indebtedness bears a floating rate of interest and is being
given pro forma effect, the interest on such Indebtedness shall be calculated as if the rate in effect on the Applicable
Calculation Date had been the applicable rate for the entire period (taking into account for such entire period, any Hedging Obligation
applicable to such Indebtedness with a remaining term of 12 months or longer, and in the case of any Hedging Obligation applicable
to such Indebtedness with a remaining term of less than 12 months, taking into account such Hedging Obligation to the extent of
its remaining term). Interest on a Capitalized Lease Obligation shall be deemed to accrue at an interest rate reasonably determined
by a responsible financial or accounting officer of the Issuer to be the rate of interest implicit in such Capitalized Lease Obligation
in accordance with GAAP. For purposes of making the computation referred to above, interest on any Indebtedness under revolving
credit facilities computed on a pro forma basis shall be computed based upon the average daily balance of such Indebtedness
during the applicable period; or, if lower, the maximum commitments under such revolving credit facilities as of the Applicable
Calculation Date. Interest on Indebtedness that may optionally be determined at an interest rate based upon a factor of a prime
or similar rate, a eurocurrency interbank offered rate, or other rate, shall be deemed to have been based upon the rate actually
chosen, or, if none, then based upon such optional rate chosen as the Issuer may designate.

 

    -15-

     

    

 

 

“Fixed Charges” means,
with respect to any Person for any period, the sum of:

 

(1)       Consolidated
Interest Expense of such Person for such period,

 

(2)       all
cash dividend payments (excluding items eliminated in consolidation) on any series of preferred stock (including any Designated
Preferred Stock) or any Refunding Capital Stock of such Person made during such period, and

 

(3)       all
cash dividend payments (excluding items eliminated in consolidation) on any series of Disqualified Stock made during such period.

 

“Foreign Subsidiary”
means, with respect to any Person, any Restricted Subsidiary of such Person that is not organized or existing under the laws of
the United States, any state thereof or the District of Columbia and any Restricted Subsidiary of such Foreign Subsidiary.

 

“Funding Guarantor” has
the meaning specified in Section 1205 of this Indenture.

 

“GAAP” means generally
accepted accounting principles in the United States which are in effect on May 24, 2018. At any time after the Issue Date, the
Issuer may elect to apply International Financial Reporting Standards (“IFRS”) accounting principles in lieu
of GAAP and, upon any such election, references herein to GAAP and GAAP concepts shall thereafter be construed to refer to IFRS
and corresponding IFRS concepts (except as otherwise provided in this Indenture); provided that any such election, once
made, shall be irrevocable; provided, further, any calculation or determination in this Indenture that requires the
application of GAAP for periods that include fiscal quarters ended prior to the Issuer’s election to apply IFRS shall remain
as previously calculated or determined in accordance with GAAP. The Issuer shall give written notice of any such election made
in accordance with this definition to the Trustee and the Holders. For the avoidance of doubt, solely making an election (without
any other action) referred to in this definition will not be treated as an incurrence of Indebtedness.

 

“Government Securities”
means direct obligations of, or obligations guaranteed by, the United States, Canada, the Province of Ontario, a member state of
the European Union or any agency or instrumentality thereof, and the payment for which such government pledges its full faith and
credit, and shall also include a depositary receipt issued by a bank (as defined in Section 3(a)(2) of the Securities Act), as
custodian with respect to any such Government Securities or a specific payment of principal or interest on any such Government
Securities held by such custodian for the account of the holder of such depositary receipt; provided that (except as required
by law) such custodian is not authorized to make any deduction from the amount payable to the holder of such depositary receipt
from any amount received by the custodian in respect of the Government Securities or the specific payment of principal of or interest
on the Government Securities evidenced by such depositary receipt.

 

“guarantee” means a guarantee
(other than by endorsement of negotiable instruments for collection in the ordinary course of business), direct or indirect, in
any manner (including letters of credit and reimbursement agreements in respect thereof), of all or any part of any Indebtedness
or other obligations; provided that the term “guarantee” shall not include reimbursement or other obligations
with respect to unmatured or undrawn, as applicable, Performance Guarantees.

 

“Guarantee” means the
guarantee by any Guarantor of the Issuer’s Obligations under this Indenture.

 

“Guarantor” means each
Restricted Subsidiary that guarantees the Notes under this Indenture.

 

    -16-

     

    

 

“Hedging Obligations”
means, with respect to any Person, the obligations of such Person under any interest rate swap agreement, interest rate cap agreement,
interest rate collar agreement, commodity swap agreement, commodity cap agreement, commodity collar agreement, foreign exchange
contract, currency swap agreement or similar agreement or arrangement providing for the transfer or mitigation of interest rate,
commodity price or currency risks either generally or under specific contingencies.

 

“Holder” means a holder
of the Notes.

 

“incur” has the meaning
specified in Section 1011 of this Indenture.

 

“incurrence” has the
meaning specified in Section 1011 of this Indenture.

 

“Indebtedness” means,
with respect to any Person,

 

(1)       any
indebtedness (including principal and premium) of such Person, whether or not contingent:

 

(A)       in
respect of borrowed money,

 

(B)       evidenced
by bonds, notes, debentures or similar instruments or letters of credit or bankers’ acceptances (or, without double counting,
reimbursement agreements in respect thereof),

 

(C)       representing
the balance, deferred and unpaid, of the purchase price of any property (including Capitalized Lease Obligations), except (i) any
such balance that constitutes a trade payable or similar obligation to a trade creditor, in each case accrued in the ordinary course
of business and (ii) any earn-out obligation until such obligation, after 60 days of becoming due and payable, that has not been
paid and is reflected as a liability on the balance sheet of such Person in accordance with GAAP, or

 

(D)       representing
any Hedging Obligations,

 

if and to the extent that any of the foregoing Indebtedness
would appear as a liability upon a balance sheet (excluding the footnotes thereto) of such Person prepared in accordance with GAAP;
provided that Indebtedness of any direct or indirect parent company appearing upon the balance sheet of the Issuer solely
by reason of push down accounting under GAAP shall be excluded,

 

(2)       to
the extent not otherwise included, any obligation by such Person to be liable for, or to pay, as obligor, guarantor or otherwise,
on the obligations of the type referred to in clause (1) of another Person (whether or not such items would appear upon the balance
sheet of such obligor or guarantor), other than by endorsement of negotiable instruments for collection in the ordinary course
of business, and

 

(3)       to
the extent not otherwise included, the obligations of the type referred to in clause (1) of another Person secured by a Lien on
any assets owned by such Person, whether or not such Indebtedness is assumed by such Person; provided, however, that
the amount of such Indebtedness will be the lesser of: (a) the Fair Market Value of such assets at such date of determination,
and (b) the amount of such Indebtedness of such other Person;

 

provided
that notwithstanding the foregoing, Indebtedness shall be deemed not to include (A) Contingent Obligations incurred
in the ordinary course of business; (B) obligations under or in respect of Receivables Facilities; or (C) unmatured or undrawn
Performance Guarantees or any reimbursement or other obligations with respect to unmatured or undrawn, as applicable, Performance
Guarantees.

 

“Indenture” means this
instrument as originally executed and as it may from time to time be supplemented or amended by one or more indentures supplemental
hereto entered into pursuant to the applicable provisions hereof, including, for all purposes of this Indenture and any such supplemental
indenture, the provisions of the Trust Indenture Act that are deemed to be part of and govern this instrument and any such supplemental
indenture, respectively.

 

    -17-

     

    

 

“Independent Financial Advisor”
means an accounting, appraisal, investment banking firm or consultant to Persons engaged in Similar Businesses of nationally recognized
standing that is, in the good faith judgment of the Issuer, qualified to perform the task for which it has been engaged.

 

“Initial Notes” has the
meaning set forth in the first recital of this Indenture.

 

“Initial
Purchasers” means Morgan Stanley & Co. LLC, Wells Fargo Securities, LLC, J.P. Morgan Securities LLC, TD Securities
(USA) LLC, U.S. Bancorp Investments, Inc., PNC Capital Markets LLC, Citizens Capital Markets, Inc., SunTrust Robinson Humphrey,
Inc., and BNP Paribas Securities Corp.

 

“Interest Payment Date”
means the Stated Maturity of an installment of interest on the Notes.

 

“Investment Grade Rating”
means a rating equal to or higher than Baa3 (or the equivalent) by Moody’s and BBB- (or the equivalent) by S&P, or an
equivalent rating by any other Rating Agency.

 

“Investment Grade Securities”
means:

 

(1)       securities
issued or directly and fully guaranteed or insured by the United States government or any agency or instrumentality thereof (other
than Cash Equivalents),

 

(2)       debt
securities or debt instruments with an Investment Grade Rating, but excluding any debt securities or instruments constituting loans
or advances among the Issuer and its Subsidiaries,

 

(3)       investments
in any fund that invests exclusively in investments of the type described in clauses (1) and (2) which fund may also hold immaterial
amounts of cash pending investment or distribution, and

 

(4)       corresponding
instruments in countries other than the United States customarily utilized for high-quality investments.

 

“Investments” means,
with respect to any Person, all investments by such Person in other Persons (including Affiliates) in the form of loans (including
guarantees), advances or capital contributions (excluding accounts receivable, trade credit, advances to customers, commission,
travel and similar advances to officers and employees, in each case made in the ordinary course of business), purchases or other
acquisitions for consideration of Indebtedness, Equity Interests or other securities issued by any other Person and investments
that are required by GAAP to be classified on the balance sheet (excluding the footnotes) of such Person in the same manner as
the other investments included in this definition to the extent such transactions involve the transfer of cash or other property.
For purposes of the definition of “Unrestricted Subsidiary” and Section 1010:

 

(1)       “Investments”
shall include the portion (proportionate to the Issuer’s Equity Interest in such Subsidiary) of the Fair Market Value of
the net assets of a Subsidiary of the Issuer at the time that such Subsidiary is designated an Unrestricted Subsidiary; provided
that upon a redesignation of such Subsidiary as a Restricted Subsidiary, the Issuer shall be deemed to continue to have a permanent
 “Investment” in an Unrestricted Subsidiary in an amount (if positive) equal to:

 

(A)       the
Issuer’s “Investment” in such Subsidiary at the time of such redesignation less

 

(B)       the
portion (proportionate to the Issuer’s Equity Interest in such Subsidiary) of the Fair Market Value of the net assets of
such Subsidiary at the time of such redesignation; and

 

    -18-

     

    

 

(2)       any
property transferred to or from an Unrestricted Subsidiary shall be valued at its Fair Market Value at the time of such transfer.

 

The amount of any Investment outstanding
at any time shall be the original cost of such Investment, reduced by any dividend, distribution, interest payment, return of capital,
repayment or other amount received in cash by the Issuer or a Restricted Subsidiary in respect of such Investment. For the avoidance
of doubt, the term “Investment” shall not include reimbursement or other obligations with respect to unmatured or undrawn,
as applicable, Performance Guarantees.

 

“Issue Date” means June
12, 2020.

 

“Issuer” has the meaning
set forth in the preamble hereto.

 

“Issuer Request” or “Issuer
Order” means a written request or order signed in the name of the Issuer by two Officers or one Officer and either an
Assistant Treasurer or an Assistant Secretary of the Issuer, and delivered to the Trustee.

 

“Legal Defeasance” has
the meaning specified in Section 1302 of this Indenture.

 

“Legal Holiday” means
a Saturday, a Sunday or a day on which commercial banking institutions are not required to be open in the State of New York.

 

“Lien” means, with respect
to any asset, any mortgage, lien, pledge, hypothecation, charge, security interest, preference, priority or encumbrance of any
kind in respect of such asset, whether or not filed, recorded or otherwise perfected under applicable law, including any conditional
sale or other title retention agreement, any lease in the nature thereof, any option or other agreement to sell or give a security
interest in and any filing of or agreement to give any financing statement under the Uniform Commercial Code (or equivalent statutes)
of any jurisdiction; provided that in no event shall an operating lease be deemed to constitute a Lien.

 

“Limited Condition Acquisition”
means any acquisition or any other Investment, including by way of merger, amalgamation or consolidation, by the Issuer or one
or more of its Restricted Subsidiaries whose consummation is not conditioned upon the availability of, or on obtaining, third party
financing; provided that the Consolidated Net Income (and any other financial term derived therefrom), other than for purposes
of calculating any ratios in connection with the Limited Condition Acquisition, shall not include any Consolidated Net Income of
or attributable to the target company or assets associated with any such Limited Condition Acquisition unless and until the closing
of such Limited Condition Acquisition shall have actually occurred.

 

“Long Derivative Instrument”
means a Derivative Instrument (i) the value of which generally increases, and/or the payment or delivery obligations under which
generally decrease, with positive changes to the Performance References and/or (ii) the value of which generally decreases, and/or
the payment or delivery obligations under which generally increase, with negative changes to the Performance References.

 

“Maturity” when used
with respect to any Note, means the date on which the principal of such Note or an installment of principal becomes due and payable
as therein or herein provided, whether at the Stated Maturity or by declaration of acceleration, notice of redemption or otherwise.

 

“Moody’s” means
Moody’s Investors Service, Inc., a subsidiary of Moody’s Corporation, and its successors.

 

“Net Income” means, with
respect to any Person, the net income (loss) of such Person, determined in accordance with GAAP and before any reduction in respect
of preferred stock dividends.

 

    -19-

     

    

 

“Net Proceeds” means
the aggregate cash proceeds and the Fair Market Value of any Cash Equivalents received by the Issuer or a Restricted Subsidiary
in respect of any Asset Sale, including any cash received upon the sale or other disposition of any Designated Non-cash Consideration
received in any Asset Sale, net of the direct costs relating to such Asset Sale and the sale or disposition of such Designated
Non-cash Consideration, including legal, accounting and investment banking fees, and brokerage and sales commissions, any relocation
expenses incurred as a result thereof, other fees, including title and recordation expenses, taxes paid or payable as a result
thereof (including in connection with any repatriation of funds and after taking into account any available tax credits or deductions
and any tax sharing arrangements), amounts required to be applied to the repayment of principal, premium, if any, and interest
on Senior Indebtedness or Indebtedness of any Restricted Subsidiary required (other than pursuant to Section 1017(b)(1)) to be
paid as a result of such transaction, any costs associated with unwinding any related Hedging Obligations in connection with such
transaction and any deduction of appropriate amounts to be provided by the Issuer or any of its Restricted Subsidiaries as a reserve
in accordance with GAAP against any liabilities associated with the asset disposed of in such transaction and retained by the Issuer
or any of its Restricted Subsidiaries after such sale or other disposition thereof, including pension and other post-employment
benefit liabilities and liabilities related to environmental matters or against any indemnification obligations associated with
such transaction.

 

“Net Short” means, with
respect to a Holder or beneficial owner, as of a date of determination, either (i) the value of its Short Derivative Instruments
exceeds the sum of (x) the value of its Notes plus (y) the value of its Long Derivative Instruments as of such date of determination
or (ii) it is reasonably expected that such would have been the case were a Failure to Pay or Bankruptcy Credit Event (each as
defined in the 2014 ISDA Credit Derivatives Definitions) to have occurred with respect to the Issuer or any Subsidiary Guarantor
immediately prior to such date of determination.

 

“Non-U.S. Person” means
a Person who is not a U.S. Person.

 

“Note Register” and “Note
Registrar” have the respective meanings specified in Section 302.

 

“Notes” has the meaning
stated in the first recital of this Indenture and more particularly means any Notes authenticated and delivered under this Indenture,
including the Initial Notes and the Additional Notes, all of which shall be treated as a single class for all purposes of this
Indenture, and unless the context otherwise requires, all references to the Notes shall include the Initial Notes and any Additional
Notes; provided that Additional Notes will not be issued with the same CUSIP, if any, as Initial Notes unless such Additional
Notes are fungible with Initial Notes for U.S. Federal income tax purposes.

 

“Notes Custodian” means
the custodian with respect to a Global Note (as appointed by the Depository) or any successor person thereto, who shall initially
be the Trustee.

 

“Obligations” means any
principal, interest, penalties, fees, indemnifications, reimbursements (including reimbursement obligations with respect to letters
of credit and banker’s acceptances), damages and other liabilities, and guarantees of payment of such principal, interest,
penalties, fees, indemnifications, reimbursements, damages and other liabilities, payable under the documentation governing any
Indebtedness; provided that notwithstanding the foregoing, Obligations shall be deemed not to include unmatured or undrawn
Performance Guarantees or any reimbursement or other obligations with respect to unmatured or undrawn, as applicable, Performance
Guarantees.

 

“Offering Document” means
the confidential offering memorandum dated June 9, 2020, pursuant to which the Initial Notes were offered to potential purchasers.

 

“Officer” means the Chairman
of the Board, any Manager or Director, the Chief Executive Officer, the Chief Financial Officer, the President, any Executive Vice
President, Senior Vice President or Vice President, the Treasurer, the Chief Accounting Officer, the Controller or the Secretary
of the Issuer or any other Person, as the case may be.

 

“Officer’s Certificate”
means a certificate signed by an Officer of the Issuer or any other Person, as the case may be, who must be a Manager or Director,
the principal executive officer, the principal financial officer, the treasurer or the principal accounting officer of the Issuer
(or of a Subsidiary of the Issuer acting in such capacity for the Issuer and its Subsidiaries, as determined by the Issuer) or
such other Person, that meets the requirements set forth in this Indenture.

 

    -20-

     

    

 

“Opinion of Counsel”
means a written opinion acceptable to the Trustee from legal counsel (which may be subject to customary assumptions and exclusions).
The counsel may be an employee of or counsel to the Issuer, or other counsel, which is reasonably acceptable to the Trustee.

 

“Outstanding,” when used
with respect to Notes, means, as of the date of determination, all Notes theretofore authenticated and delivered under this Indenture,
except:

 

(1)       Notes
theretofore cancelled by the Trustee or delivered to the Trustee for cancellation;

 

(2)       Notes,
or portions thereof, for whose payment or redemption money in the necessary amount has been theretofore deposited with the Trustee
or any Paying Agent (other than the Issuer) in trust or set aside and segregated in trust by the Issuer (if the Issuer shall act
as its own Paying Agent) for the Holders of such Notes; provided that, if such Notes are to be redeemed, written notice
of such redemption has been duly given pursuant to this Indenture or provision therefor satisfactory to the Trustee has been made;

 

(3)       Notes,
except to the extent provided in Sections 1302 and 1303, with respect to which the Issuer has effected Legal Defeasance or Covenant
Defeasance as provided in Article Thirteen; and

 

(4)       Notes
which have been paid pursuant to this Indenture or in exchange for or in lieu of which other Notes have been authenticated and
delivered pursuant to this Indenture, other than any such Notes in respect of which there shall have been presented to the Trustee
proof satisfactory to it that such Notes are held by a Protected Purchaser in whose hands the Notes are valid obligations of the
Issuer;

 

provided
that, in determining whether the Holders of the requisite principal amount of Outstanding Notes have given any request,
demand, authorization, direction, consent, notice or waiver hereunder, and for the purpose of making the calculations required
by TIA Section 316, Notes owned by the Issuer or any other obligor upon the Notes or any Affiliate of the Issuer or such other
obligor shall be disregarded and deemed not to be Outstanding, except that, in determining whether the Trustee shall be protected
in making such calculation or in relying upon any such request, demand, authorization, direction, notice, consent or waiver, only
Notes which a Responsible Officer of the Trustee actually knows to be so owned shall be so disregarded.

 

“Paying Agent” means
any Person (including the Issuer acting as Paying Agent) authorized by the Issuer to pay the principal of (and premium, if any)
or interest on any Notes on behalf of the Issuer. The Issuer initially appoints the Trustee as Paying Agent.

 

“Performance Guarantee”
of any Person means (a) any letter of credit, bankers acceptance, surety bond, performance bond, bank guarantee or other similar
obligation issued for the account of such Person to support only trade payables or nonfinancial performance obligations of such
Person, (b) any letter of credit, bankers acceptance, surety bond, performance bond, bank guarantee or other similar obligation
issued for the account of such Person to support any letter of credit, bankers acceptance, surety bond, performance bond, bank
guarantee or other similar obligation issued for the account of a Restricted Subsidiary, a joint venture or a consortium of such
Person to support only trade payables or non-financial performance obligations of such Restricted Subsidiary, joint venture or
consortium, and (c) any parent company guarantee or other direct or indirect liability, contingent or otherwise, of such Person
with respect to trade payables or non-financial performance obligations of a Restricted Subsidiary, a joint venture or a consortium
of such Person, if the purpose of such Person in incurring such liability is to provide assurance to the obligee that such contractual
obligation will be performed, or that any agreement relating thereto will be complied with.

 

“Performance References”
means the Issuer or any one or more of the Guarantors

 

“Permitted Asset Swap”
means the concurrent purchase and sale or exchange of Related Business Assets or a combination of Related Business Assets and cash
or Cash Equivalents between the Issuer or a Restricted Subsidiary and another Person; provided that any cash or Cash Equivalents
received must be applied in accordance with Section 1017.

 

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“Permitted Holders” means
any Permitted Parent. Any Person or group whose acquisition of beneficial ownership constitutes a Change of Control in respect
of which a Change of Control Offer is made in accordance with the requirements of this Indenture will thereafter, together with
its Affiliates, constitute an additional Permitted Holder.

 

“Permitted Investments”
means:

 

(1)       any
Investment in the Issuer or any Restricted Subsidiary, including, without limitation, a repurchase or retirement of the Notes or
the Issuer’s 5.375% senior notes due 2026;

 

(2)       any
Investment in cash, Cash Equivalents or Investment Grade Securities;

 

(3)       any
Investment by the Issuer or any Restricted Subsidiary in a Person that is engaged in a Similar Business if as a result of such
Investment:

 

(A)       such
Person becomes a Restricted Subsidiary, or

 

(B)       such
Person, in one transaction or a series of related transactions, is merged, consolidated or amalgamated with or into, or transfers
or conveys, including by means of a Division, substantially all of its assets to, or is liquidated into, the Issuer or a Restricted
Subsidiary, and, in each case, any Investment held by such Person; provided that such Investment was not acquired by such
Person in contemplation of such acquisition, merger, consolidation or transfer;

 

(4)       any
Investment in securities or other assets not constituting cash, Cash Equivalents or Investment Grade Securities and received in
connection with an Asset Sale made pursuant to Section 1017, or any other disposition of assets not constituting an Asset Sale;

 

(5)       any
Investment existing on the Issue Date or made pursuant to legally binding commitments in existence on the Issue Date, and any extension,
modification or renewal of such existing Investments or binding commitment existing on the Issue Date;

 

(6)       any
Investment acquired by the Issuer or any Restricted Subsidiary:

 

(A)       (x)
in exchange for any other Investment or accounts receivable held by the Issuer or any such Restricted Subsidiary in connection
with or as a result of a bankruptcy, workout, reorganization or recapitalization of the issuer of such other Investment or the
obligor with respect to such accounts receivable or (y) in good faith settlement of delinquent obligations of, and other disputes
with, customers, trade debtors, licensors, licensees and suppliers arising in the ordinary course, or;

 

(B)       as
a result of a foreclosure by the Issuer or any Restricted Subsidiary with respect to any secured Investment or other transfer of
title with respect to any secured Investment in default;

 

(7)       Hedging
Obligations permitted under Section 1011(b)(10);

 

(8)       any
Investment in a Similar Business having an aggregate Fair Market Value, taken together with all other Investments made pursuant
to this clause (8) that are at that time outstanding, not to exceed the greater of (x) $100.0 million and (y) 25% of EBITDA for
the Applicable Measurement Period at the time of such Investment (with the Fair Market Value of each Investment being measured
at the time made and without giving effect to subsequent changes in value); provided, however, that if any Investment
pursuant to this clause (8) is made in any Person that is not a Restricted Subsidiary of the Issuer at the date of the making of
such Investment and such Person becomes a Restricted Subsidiary after such date, such investment shall thereafter be deemed to
have been made pursuant to clause (1) above and shall cease to have been made pursuant to this clause (8) for so long as such Person
continues to be a Restricted Subsidiary;

 

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(9)       Investments
the payment for which consists of Equity Interests of the Issuer or any direct or indirect parent company of the Issuer (exclusive
of Disqualified Stock); provided that such Equity Interests will not increase the amount available for Restricted Payments
under clause (C) of Section 1010(a);

 

(10)       (x)
guarantees of Indebtedness permitted under Section 1011 and (y) Performance Guarantees in the ordinary course of business;

 

(11)       any
transaction to the extent it constitutes an Investment that is permitted and made in accordance with Section 1013(b) (except transactions
described in Section 1013(b)(2), (5), (9) and (15));

 

(12)       Investments
consisting of purchases and acquisitions of inventory, supplies, material or equipment or other similar assets in the ordinary
course of business, or the licensing or contribution of intellectual property pursuant to joint marketing arrangements with other
Persons;

 

(13)        additional
Investments having an aggregate Fair Market Value, taken together with all other Investments made pursuant to this clause (13)
that are at that time outstanding (without giving effect to the sale of an Unrestricted Subsidiary to the extent the proceeds of
such sale do not consist of cash or marketable securities), not to exceed the greater of (x) $200.0 million and (y) 50% of EBITDA
for the Applicable Measurement Period at the time of such Investment (with the Fair Market Value of each Investment being measured
at the time made and without giving effect to subsequent changes in value); provided, however, that if any Investment
pursuant to this clause (13) is made in any Person that is not a Restricted Subsidiary of the Issuer at the date of the making
of such Investment and such Person becomes a Restricted Subsidiary after such date, such investment shall thereafter be deemed
to have been made pursuant to clause (1) above and shall cease to have been made pursuant to this clause (13) for so long as such
Person continues to be a Restricted Subsidiary;

 

(14)       Investments
relating to any Receivables Subsidiary that, in the good faith determination of the Board of Directors of the Issuer, are necessary
or advisable to effect such Receivables Facility or any repurchases in connection therewith;

 

(15)       loans
and advances to, or guarantees of Indebtedness of, employees of the Issuer or a Restricted Subsidiary in the aggregate not to exceed
at any one time outstanding the greater of (x) $15.0 million and (y) 4.0% of EBITDA for the Applicable Measurement Period at the
time of such advance or guarantee;

 

(16)       loans
and advances to officers, directors, managers and employees of the Issuer or a Restricted Subsidiary for business-related travel
expenses, moving expenses, tax advances, payroll advances or expenses and other similar expenses, in each case incurred in the
ordinary course of business or consistent with past practices or to fund such Person’s purchase of Equity Interests of the
Issuer or any direct or indirect parent company thereof;

 

(17)       advances,
loans, rebates or extensions of trade credit in the ordinary course of business by the Issuer or any of the Restricted Subsidiaries;

 

(18)       intercompany
current liabilities owed to Unrestricted Subsidiaries or joint ventures incurred in the ordinary course of business in connection
with the cash management operations of the Issuer and its Subsidiaries;

 

(19)       pledges
or deposits with respect to leases or utilities provided to third parties in the ordinary course of business;

 

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(20)        Investments
in joint ventures and Unrestricted Subsidiaries having an aggregate Fair Market Value, taken together with all other Investments
made pursuant to this clause (20) that are at that time outstanding, not to exceed the greater of (x) $200.0 million and (y) 50%
of EBITDA for the Applicable Measurement Period at the time of such Investment (with the Fair Market Value of each Investment being
measured at the time made and without giving effect to subsequent changes in value);

 

(21)       the
acquisition of assets or Capital Stock solely in exchange for the issuance of common equity securities of the Issuer;

 

(22)       Investments
by any captive insurance Restricted Subsidiary (x) in the ordinary course of business, of a nature and type described under Cash
Equivalents, provided that the maturity of such Investments from the date of acquisition does not exceed five years, or
(y) in existence on the Issue Date;

 

(23)       Investments
in respect of, including by way of contribution to, any employee benefit plan or arrangement (including pension and retirement
plans); and

 

(24)       any
Investment; provided that on a pro forma basis after giving effect to such Investment (x) the Consolidated Total
Debt Ratio would be equal to or less than 3.50 to 1.00 and (y) no Event of Default shall have occurred and be continuing or would
occur as a consequence thereof.

 

“Permitted Liens” means,
with respect to any Person:

 

(1)       pledges,
deposits or security by such Person under workmen’s compensation laws, unemployment insurance, employers’ health tax,
and other social security laws or similar legislation or other insurance related obligations (including, but not limited to, in
respect of deductibles, self-insured retention amounts and premiums and adjustments thereto) or indemnification obligations of
(including obligations in respect of letters of credit or bank guarantees for the benefit of) insurance carriers providing property,
casualty or liability insurance, or good faith deposits in connection with bids, tenders, contracts (other than for the payment
of Indebtedness) or leases to which such Person is a party, or deposits to secure public or statutory obligations of such Person
or deposits of cash or U.S. government bonds to secure surety, stay, customs, appeal or similar bonds to which such Person is a
party, or deposits as security for contested taxes or import duties or for the payment of rent, performance and return-of-money
bonds and other similar obligations (including letters of credit issued in lieu of any such bonds or to support the issuance thereof
and including those to secure health, safety and environmental obligations), in each case, incurred in the ordinary course of business;

 

(2)       Liens
imposed by law or regulation, such as carriers’, warehousemen’s, materialmen’s, repairmen’s, mechanics’,
contractors’, architects’ and other similar Liens, in each case for sums not yet overdue for a period of more than
30 days or being contested in good faith by appropriate proceedings or other Liens arising out of judgments or awards against such
Person with respect to which such Person shall then be proceeding with an appeal or other proceedings for review if adequate reserves
with respect thereto are maintained on the books of such Person in accordance with GAAP;

 

(3)       Liens
for taxes, assessments or other governmental charges not yet overdue for a period of more than 30 days or which are being contested
in good faith by appropriate proceedings diligently conducted, if adequate reserves with respect thereto are maintained on the
books of such Person in accordance with GAAP, or for property taxes on property the Issuer or one of its Subsidiaries has determined
to abandon if the sole recourse for such tax, assessment, charge, levy or claim is to such property;

 

(4)       Liens
in favor of issuers of performance, surety, bid, indemnity, warranty, release, appeal or similar bonds or with respect to other
regulatory requirements or letters of credit or bankers’ acceptances issued, and completion guarantees provided for, in each
case pursuant to the request of and for the account of such Person in the ordinary course of its business;

 

    -24-

     

    

 

(5)       minor
survey exceptions, minor encumbrances, ground leases, easements or reservations of, or rights of others for, licenses, rights-of-way,
servitudes, sewers, electric lines, drains, telegraph and telephone and cable television lines, gas and oil pipelines and other
similar purposes, or zoning, building codes or other restrictions (including, without limitation, minor defects or irregularities
in title and similar encumbrances) as to the use of real properties or Liens incidental, to the conduct of the business of such
Person or to the ownership of its properties which were not incurred in connection with Indebtedness and which do not in the aggregate
materially adversely affect the value of said properties or materially impair their use in the operation of the business of such
Person;

 

(6)       Liens
securing Indebtedness permitted to be incurred pursuant to Section 1011(b)(1), (2), (4), (12), or (18); provided that, (x)
in the case of Section 1011(b)(4), such Lien may not extend to any property or equipment (or assets affixed or appurtenant thereto)
other than the property or equipment being financed or Refinanced under such Section 1011(b)(4), and (y) in the case of Section
1011(b)(18), such Lien may not extend to any assets other than the assets owned by the Restricted Subsidiaries incurring such Indebtedness;

 

(7)       Liens
existing on the Issue Date (other than Liens incurred in connection with the Senior Credit Facility);

 

(8)       Liens
on property or shares of stock of a Person at the time such Person becomes a Subsidiary; provided such Liens are not created
or incurred in connection with, or in contemplation of, such other Person becoming a Subsidiary; provided, further, however,
that such Liens may not extend to any other property owned by the Issuer or any Restricted Subsidiary;

 

(9)       Liens
on property at the time the Issuer or a Restricted Subsidiary acquired the property, including any acquisition by means of a merger
or consolidation with or into the Issuer or any Restricted Subsidiary; provided that such Liens are not created or incurred
in connection with, or in contemplation of, such acquisition, merger or consolidation; provided, further that the Liens
may not extend to any other property owned by the Issuer or any Restricted Subsidiary;

 

(10)       Liens
securing Indebtedness or other obligations of a Restricted Subsidiary owing to the Issuer or another Restricted Subsidiary permitted
to be incurred in accordance with Section 1011 hereof;

 

(11)       Liens
securing Hedging Obligations and Cash Management Services so long as the related Indebtedness is, and is permitted under this Indenture
to be, secured by a Lien on the same property securing such Hedging Obligations;

 

(12)       Liens
on specific items of inventory or other goods and proceeds of any Person securing such Person’s obligations in respect of
bankers’ acceptances or trade letters of credit issued or created for the account of such Person to facilitate the purchase,
shipment or storage of such inventory or other goods;

 

(13)       leases,
subleases, licenses or sublicenses (including, without limitation, real property and intellectual property) granted to others in
the ordinary course of business which do not materially interfere with the ordinary conduct of the business of the Issuer or any
Restricted Subsidiary and do not secure any Indebtedness;

 

(14)       Liens
arising from Uniform Commercial Code (or equivalent statute) financing statement filings regarding operating leases or consignments
entered into by the Issuer or any Restricted Subsidiary in the ordinary course of business;

 

(15)       Liens
in favor of the Issuer or any Guarantor;

 

(16)       Liens
on inventory or equipment of the Issuer or any Restricted Subsidiary granted in the ordinary course of business to the Issuer’s
or such Restricted Subsidiaries’ client at which such inventory or equipment is located;

 

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(17)       Liens
on accounts receivable and related assets incurred in connection with a Receivables Facility;

 

(18)       Liens
to secure any refinancing, refunding, extension, renewal or replacement (or successive refinancing, refunding, extensions, renewals
or replacements) as a whole, or in part, of any Indebtedness secured by any Lien referred to in clauses (6) (solely with respect
to Liens securing Indebtedness permitted to be incurred pursuant to clauses (2), (4), (12) or (18) of Section 1011(b)), (7), (8),
(9), (10), (18) and (20) of this definition of “Permitted Liens”; provided that (A) such new Lien shall be limited
to all or part of the same property that secured the original Lien (plus accessions, additions and improvements on such property),
and (B) the Indebtedness secured by such Lien at such time is not increased to any amount greater than the sum of (i) the outstanding
principal amount or, if greater, committed amount of the Indebtedness described under clauses (6) (solely with respect to Liens
securing Indebtedness permitted to be incurred pursuant to clauses (2), (4), (12) or (18) of Section 1011(b)), (7), (8), (9), (10),
(18) and (20) at the time the original Lien became a Permitted Lien under this Indenture, and (ii) an amount necessary to pay any
fees and expenses, including premiums, and accrued and unpaid interest related to such refinancing, refunding, extension, renewal
or replacement;

 

(19)       deposits
made or other security provided to secure liabilities to insurance carriers under insurance or self-insurance arrangements in the
ordinary course of business;

 

(20)       Liens
to secure Indebtedness incurred pursuant to the covenant described under Section 1011; provided that (x) no Event of Default
shall have occurred and be continuing at the time of the incurrence of such Indebtedness or after giving effect thereto and (y)
the Consolidated Secured Debt Ratio, calculated on a pro forma basis after giving effect to the incurrence of such Lien,
the related Indebtedness and the application of net proceeds therefrom, would be no greater than 3.00 to 1.00;

 

(21)       other
Liens securing obligations which obligations at any one time outstanding do not exceed the greater of (x) $200.0 million and (y)
50% of EBITDA for the Applicable Measurement Period at the time of incurrence;

 

(22)       Liens
securing judgments for the payment of money not constituting an Event of Default under Section 501(5) so long as such Liens are
adequately bonded and any appropriate legal proceedings that may have been duly initiated for the review of such judgment have
not been finally terminated or the period within which such proceedings may be initiated has not expired;

 

(23)       Liens
in favor of customs and revenue authorities arising as a matter of law to secure payment of customs duties in connection with the
importation of goods in the ordinary course of business;

 

(24)       Liens
(i) of a collection bank arising under Section 4-210 of the Uniform Commercial Code or any comparable or successor provision on
items in the course of collection, (ii) attaching to pooling, commodity trading accounts or other commodity brokerage accounts
incurred in the ordinary course of business and (iii) in favor of banking or other financial institutions or electronic payment
service providers arising as a matter of law encumbering deposits (including the right of setoff) and which are within the general
parameters customary in the banking or finance industry;

 

(25)       Liens
deemed to exist in connection with Investments in repurchase agreements permitted under Section 1011; provided that such
Liens do not extend to any assets other than those that are the subject of such repurchase agreement;

 

(26)       Liens
encumbering reasonable customary initial deposits and margin deposits and similar Liens attaching to commodity trading accounts
or other brokerage accounts incurred in the ordinary course of business and not for speculative purposes;

 

(27)       Liens
that are contractual rights of set-off (i) relating to the establishment of depository relations with banks not given in connection
with the issuance of Indebtedness, (ii) relating to pooled deposit or sweep accounts of the Issuer or any of its Restricted Subsidiaries
to permit satisfaction of overdraft or similar obligations incurred in the ordinary course of business of the Issuer and its Restricted
Subsidiaries or (iii) relating to purchase orders and other agreements entered into with customers of the Issuer or any of its
Restricted Subsidiaries in the ordinary course of business;

 

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(28)       Liens
solely on any cash earnest money deposits made by the Issuer or any of its Restricted Subsidiaries in connection with any letter
of intent or purchase agreement permitted under this Indenture;

 

(29)       the
rights reserved or vested in any Person by the terms of any lease, license, franchise, grant or permit held by the Issuer or any
of its Restricted Subsidiaries or by a statutory provision, to terminate any such lease, license, franchise, grant or permit, or
to require annual or periodic payments as a condition to the continuance thereof;

 

(30)       restrictive
covenants affecting the use to which real property may be put; provided that the covenants are complied with;

 

(31)       security
given to a public utility or any municipality or governmental authority when required by such utility or authority in connection
with the operations of that Person in the ordinary course of business;

 

(32)       zoning
by-laws and other land use restrictions, including, without limitation, site plan agreements, development agreements and contract
zoning agreements;

 

(33)       Liens
arising out of conditional sale, title retention, consignment or similar arrangements for sale of goods entered into by the Issuer
or any Restricted Subsidiary in the ordinary course of business;

 

(34)       any
Lien granted pursuant to a security agreement between the Issuer or any Restricted Subsidiary and a licensee of their intellectual
property to secure the damages, if any, of such licensee resulting from the rejection by the Issuer or such Restricted Subsidiary
of such licensee in a bankruptcy, reorganization or similar proceeding with respect to the Issuer or such Restricted Subsidiary;
provided that such Liens do not cover any assets other than the intellectual property subject to such license;

 

(35)       Liens
on the Equity Interests of Unrestricted Subsidiaries;

 

(36)       any
encumbrance or restriction (including put and call arrangements) with respect to Capital Stock of any joint venture or similar
arrangement pursuant to any joint venture or similar agreement;

 

(37)       Liens
on property or assets used to defease or to irrevocably satisfy and discharge Indebtedness; provided that such defeasance
or satisfaction and discharge is not prohibited by this Indenture;

 

(38)       (i)
mortgages, liens, security interests, restrictions, encumbrances or any other matters of record that have been placed by any developer,
landlord or other third party on property over which the Issuer or any Restricted Subsidiary of the Issuer has easement rights
or on any leased property and subordination or similar agreements relating thereto and (ii) any condemnation or eminent domain
proceedings affecting any real property;

 

(39)       Liens
on property or assets under construction (and related rights) in favor of a contractor or developer arising from progress or partial
payments by a third party relating to such property or assets;

 

(40)       Liens
arising as a result of a Sale and Lease-Back Transaction;

 

(41)       Liens
on equipment, inventory and goods, including supplies, materials and work in process, created in the ordinary course of business
in favor of a governmental entity by operation of the Federal Acquisition Regulation, any amendments, supplements or updates thereto
and any similar laws, in connection with the performance by the Issuer and its Subsidiaries of contracts with a governmental entity;

 

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(42)       Liens
on assets pursuant to merger agreements, stock or asset purchase agreements and similar agreements in respect of the disposition
of such assets;

 

(43)       Liens
on property necessary to defease Indebtedness that was not incurred in violation of this Indenture;

 

(44)       Liens
securing reimbursement obligations of any Foreign Subsidiary in respect of Performance Guarantees (including any obligation to
make payments in connection with such performance, but excluding obligations for the payment of borrowed money) issued by a Person
that is not the Issuer or an Affiliate of the Issuer; provided such Liens shall be limited to (x) any contract as to which such
Performance Guarantee provides credit support, (y) any accounts receivable arising out of such contract and (iii) the deposit account
into which such accounts receivable are deposited; and

 

(45)       Liens
on cash or Cash Equivalents securing reimbursement obligations in respect of Performance Guarantees and other similar obligations
(including any obligation to make payments in connection with such performance, but excluding obligations for the payment of borrowed
money); provided that the aggregate outstanding amount of all such obligations and liabilities secured by such Liens shall not
exceed $200.0 million at any time.

 

For purposes of determining compliance with
this definition, (x) a Lien need not be incurred solely by reference to one category of Permitted Liens described in this definition
but may be incurred under any combination of such categories (including in part under one such category and in part under any other
such category), (y) in the event that a Lien (or any portion thereof) meets the criteria of one or more of such categories of Permitted
Liens, the Issuer shall, in its sole discretion, classify or reclassify such Lien (or any portion thereof) in any manner that complies
with this definition, and (z) in the event that a portion of Indebtedness secured by a Lien could be classified as secured in part
pursuant to clause (20) of this definition (giving effect to the incurrence of such portion of such Indebtedness), the Issuer,
in its sole discretion, may classify such portion of such Indebtedness (and any Obligations in respect thereof) as having been
secured pursuant to clause (20) of this definition and thereafter the remainder of the Indebtedness as having been secured pursuant
to one or more of the other clauses of this definition.

 

For purposes of this definition, the term
 “Indebtedness” shall be deemed to include interest on such Indebtedness.

 

“Permitted Parent” means
any Person so long as such Person directly or indirectly holds 100.0% of the total voting power of the Voting Stock of the Issuer,
and at the time such Person acquired such voting power, no Person and no group (within the meaning of Section 13(d)(3) or Section
14(d)(2) of the Exchange Act, or any successor provision), including any such group acting for the purpose of acquiring, holding
or disposing of securities (within the meaning of Rule 13d-5(b)(1) under the Exchange Act) (other than any Permitted Holder), shall
have beneficial ownership (within the meaning of Rule 13d-3 under the Exchange Act, or any successor provision), directly or indirectly,
of 50.0% or more of the total voting power of the Voting Stock of such Person.

 

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

 

“Predecessor Note” of
any particular Note means every previous Note evidencing all or a portion of the same debt as that evidenced by such particular
Note; and, for the purposes of this definition, any Note authenticated and delivered under Section 306 in exchange for a mutilated
Note or in lieu of a destroyed, lost or stolen Note shall be deemed to evidence the same debt as the mutilated, destroyed, lost
or stolen Note.

 

“preferred stock” means
any Equity Interest with preferential rights of payment of dividends or upon liquidation, dissolution, or winding up.

 

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“Protected Purchaser”
has the meaning specified in Section 306 of this Indenture.

 

“Qualified Proceeds”
means assets that are used or useful in, or Capital Stock of any Person engaged in, a Similar Business.

 

“Rating Agencies” mean
Moody’s and S&P or if Moody’s or S&P or both shall not make a rating on the Notes publicly available, a nationally
recognized statistical rating agency or agencies, as the case may be, selected by the Issuer which shall be substituted for Moody’s
or S&P or both, as the case may be.

 

“Receivables Facility”
means any of one or more receivables financing facilities, as amended, supplemented, modified, extended, renewed, restated or refunded
from time to time, the Obligations of which are non-recourse (except for customary representations, warranties, covenants and indemnities
made in connection with such facilities) to the Issuer and the Restricted Subsidiaries (other than a Receivables Subsidiary) pursuant
to which the Issuer or any Restricted Subsidiary sells its accounts receivable to either (a) a Person that is not a Restricted
Subsidiary or (b) a Receivables Subsidiary that in turn funds such purchase by purporting to sell its accounts receivable to a
Person that is not a Restricted Subsidiary or by borrowing from such a Person or from another Receivables Subsidiary that in turn
funds itself by borrowing from such a Person.

 

“Receivables Fee” means
distributions or payments made directly or by means of discounts with respect to any accounts receivable or participation interest
issued or sold in connection with, and other fees paid to a Person that is not a Restricted Subsidiary in connection with, any
Receivables Facility.

 

“Receivables Subsidiary”
means any Subsidiary formed for the purpose of facilitating or entering into one or more Receivables Facilities, and in each case
engages only in activities reasonably related or incidental thereto.

 

“Redemption Date,” when
used with respect to any Note to be redeemed, in whole or in part, means the date fixed for such redemption by or pursuant to this
Indenture.

 

“Redemption Price,” when
used with respect to any Note to be redeemed, means the price at which it is to be redeemed pursuant to this Indenture.

 

“Refinance” means, in
respect of any Indebtedness, Disqualified Stock or preferred stock, to refinance, extend, renew, refund, repay, prepay, purchase,
redeem, defease or retire, or to issue other Indebtedness, Disqualified Stock or preferred stock in exchange or replacement for,
such Indebtedness, Disqualified Stock or preferred stock, in whole or in part. “Refinanced” and “Refinancing”
shall have correlative meanings.

 

“Refinancing Indebtedness”
has the meaning specified in Section 1011 of this Indenture.

 

“Refunding Capital Stock”
has the meaning specified in Section 1010 of this Indenture.

 

“Regular Record Date”
has the meaning specified in Section 301 of this Indenture.

 

“Regulated Bank” means
an Approved Commercial Bank that is (i) a U.S. depository institution the deposits of which are insured by the Federal Deposit
Insurance Corporation; (ii) a corporation organized under section 25A of the U.S. Federal Reserve Act of 1913; (iii) a branch,
agency or commercial lending company of a foreign bank operating pursuant to approval by and under the supervision of the Board
of Governors under 12 CFR part 211; (iv) a non-U.S. branch of a foreign bank managed and controlled by a U.S. branch referred to
in clause (iii); or (v) any other U.S. or non-U.S. depository institution or any branch, agency or similar office thereof supervised
by a bank regulatory authority in any jurisdiction.

 

“Related Business Assets”
means assets (other than cash or Cash Equivalents) used or useful in a Similar Business; provided that any assets received
by the Issuer or the Restricted Subsidiaries in exchange for assets transferred by the Issuer or a Restricted Subsidiary shall
not be deemed to be Related Business Assets if they consist of securities of a Person, unless upon receipt of the securities of
such Person, such Person would become a Restricted Subsidiary.

 

    -29-

     

    

 

“Responsible Officer,”
means any director, vice president, assistant vice president, associate, or any other officer of the Trustee within the corporate
trust department customarily performing functions similar to those performed by any of the above designated officers, and also
means, with respect to a particular corporate trust matter, any other officer to whom such matter is referred because of his knowledge
of and familiarity with the particular subject and, in each case, who shall have direct responsibility for the administration of
this Indenture.

 

“Restricted Investment”
means an Investment other than a Permitted Investment.

 

“Restricted Payments”
has the meaning specified in Section 1010 of this Indenture.

 

“Restricted Subsidiary”
means, at any time, any direct or indirect Subsidiary of the Issuer (including any Foreign Subsidiary) that is not then an Unrestricted
Subsidiary; provided that upon the occurrence of an Unrestricted Subsidiary ceasing to be an Unrestricted Subsidiary, such
Subsidiary shall be included in the definition of “Restricted Subsidiary.”

 

“Retired Capital Stock”
has the meaning specified in Section 1010 of this Indenture.

 

“Reversion Date” has
the meaning specified in Section 1018(a) of this Indenture.

 

“S&P” means S&P
Global Ratings (a division of S&P Global Inc.) or any successor to the rating agency business thereof.

 

“Sale and Lease-Back Transaction”
means any arrangement with any Person providing for the leasing by the Issuer or any Restricted Subsidiary of any real or tangible
personal property, which property has been or is to be sold or transferred by the Issuer or such Restricted Subsidiary to such
Person in contemplation of such leasing.

 

“Screened Affiliate”
means any Affiliate of a Holder (i) that makes investment decisions independently from such Holder and any other Affiliate of such
Holder that is not a Screened Affiliate, (ii) that has in place customary information screens between it and such Holder and any
other Affiliate of such Holder that is not a Screened Affiliate and such screens prohibit the sharing of information with respect
to the Issuer or its Subsidiaries, (iii) whose investment policies are not directed by such Holder or any other Affiliate of such
Holder that is acting in concert with such Holder in connection with its investment in the Notes and (iv) whose investment decisions
are not influenced by the investment decisions of such Holder or any other Affiliate of such Holder that is acting in concert with
such Holders in connection with its investment in the Notes.

 

“SEC” means the Securities
and Exchange Commission.

 

“Second Commitment” has
the meaning specified in Section 1017 of this Indenture.

 

“Secured Indebtedness”
means any Indebtedness of the Issuer or any of its Restricted Subsidiaries secured by a Lien.

 

“Securities Act” means
the Securities Act of 1933, as amended, and the rules and regulations of the SEC promulgated thereunder.

 

“Senior Credit Facility”
means the Credit Facility provided under the credit agreement dated as of May 24, 2018 among the Issuer, the other borrowers and
guarantors party thereto, the lenders party thereto from time to time in their capacities as lenders thereunder, and Wells Fargo
Bank, National Association, as administrative agent and collateral agent, including any notes, mortgages, guarantees, collateral
documents, instruments and agreements executed in connection therewith, and any amendments, supplements, modifications, extensions,
replacements, renewals, restatements, refundings or refinancings thereof and any one or more indentures or credit facilities or
commercial paper facilities with banks or other institutional lenders or investors that extend, replace, refund, refinance, renew
or defease any part of the loans, notes, other credit facilities or commitments thereunder, including any such replacement, refunding
or refinancing facility or indenture that increases the amount borrowable thereunder or alters the maturity thereof or adds Restricted
Subsidiaries as additional borrowers or guarantors thereunder and whether by the same or any other agent, lender or group of lenders.

 

    -30-

     

    

 

 

“Senior Indebtedness”
means with respect to any Person:

 

(1)       Indebtedness
of such Person, whether outstanding on the Issue Date or thereafter incurred; and

 

(2)       all
other Obligations of such Person (including interest accruing on or after the filing of any petition in bankruptcy or for reorganization
relating to such Person whether or not post-filing interest is allowed in such proceeding) in respect of Indebtedness described
in clause (1) above,

 

in the case of both clauses (1) and (2), to
the extent permitted to be incurred under the terms of this Indenture, unless, in the case of clauses (1) and (2), in the instrument
creating or evidencing the same or pursuant to which the same is outstanding, it is provided that such Indebtedness or other
Obligations are subordinated in right of payment to the Notes or the Guarantee of such Person, as the case may be; provided
that Senior Indebtedness shall not include:

 

(1)       any
obligation of such Person to the Issuer or any Subsidiary of the Issuer;

 

(2)       any
liability for federal, state, local or other taxes owed or owing by such Person;

 

(3)       any
accounts payable or other liability to trade creditors arising in the ordinary course of business;

 

(4)       any
Capital Stock;

 

(5)       any
Indebtedness or other Obligation of such Person which is subordinate or junior in any respect to any other Indebtedness or other
Obligation of such Person; or

 

(6)       that
portion of any Indebtedness which at the time of incurrence is incurred in violation of this Indenture.

 

“Senior Secured Indebtedness”
means Senior Indebtedness that is Secured Indebtedness.

 

“Short Derivative Instrument”
means a Derivative Instrument (i) the value of which generally decreases, and/or the payment or delivery obligations under which
generally increase, with positive changes to the Performance References and/or (ii) the value of which generally increases, and/or
the payment or delivery obligations under which generally decrease, with negative changes to the Performance References.

 

“Significant Subsidiary”
means any Restricted Subsidiary that would be a “significant subsidiary” as defined in Article 1, Rule 1-02(w) of Regulation
S-X, promulgated pursuant to the Securities Act, as such regulation is in effect on the Issue Date.

 

“Similar Business” means
any business or other activities conducted or proposed to be conducted by the Issuer and its Restricted Subsidiaries on the Issue
Date or any business or other activities conducted by any entity that is similar, reasonably related, complementary, incidental
or ancillary thereto or a reasonable extension, development or expansion thereof.

 

“Special Record Date”
for the payment of any Defaulted Interest means a date fixed by the Trustee pursuant to Section 307.

 

“Stated Maturity,” when
used with respect to any Note or any installment of principal thereof or interest thereon, means the date specified in such Notes
as the fixed date on which the principal of such Notes or such installment of principal or interest is due and payable.

 

    -31-

     

    

 

“Subordinated Indebtedness”
means:

 

(1)       with
respect to the Issuer, any Indebtedness of the Issuer which is by its terms subordinated in right of payment to the Notes, and

 

(2)       with
respect to any Guarantor, any Indebtedness of such Guarantor which is by its terms subordinated in right of payment to the Guarantee
of such Guarantor under this Indenture.

 

“Subsidiary” means, with
respect to any Person,

 

(1)       any
corporation, association, or other business entity (other than a partnership, joint venture, limited liability company or similar
entity) of which more than 50% of the total voting power of shares of Capital Stock entitled (without regard to the occurrence
of any contingency) to vote in the election of directors, managers or trustees thereof is at the time of determination owned or
controlled, directly or indirectly, by such Person or one or more of the other Subsidiaries of that Person or a combination thereof,
and

 

(2)       any
partnership, joint venture, limited liability company or similar entity of which:

 

(A)       more
than 50% of the capital accounts, distribution rights, total equity and voting interests or general or limited partnership interests,
as the case may be, are owned or controlled, directly or indirectly, by such Person or one or more of the other Subsidiaries of
that Person or a combination thereof whether in the form of membership, general, special or limited partnership or otherwise, and

 

(B)       such
Person or any Restricted Subsidiary of such Person is a controlling general partner or otherwise controls such entity;

 

provided
that any reference in this Indenture to a “Subsidiary” of the Issuer shall exclude any Person whose financial statements
are not consolidated with the financial statements of the Issuer in accordance with GAAP.

 

“Successor Company” has
the meaning specified in Section 801 of this Indenture.

 

“Suspended Covenants”
has the meaning specified in Section 1018(a) of this Indenture.

 

“Suspension Date” has
the meaning specified in Section 1018(a) of this Indenture.

 

“Suspension Period” has
the meaning specified in Section 1018(a) of this Indenture.

 

“Transactions” means
the issuance of the Notes, prepayment of the existing term loans and a portion of the revolving borrowings under the Senior Credit
Facility, and payment of fees of expenses in connection with the foregoing.

 

“Treasury Rate” means,
as of any applicable redemption date, as determined by the Issuer, the weekly average rounded to the nearest 1/100th of a percentage
point (for the most recently completed week for which such information is available as of the date that is two business days prior
to the applicable redemption date) of the yield to maturity of United States Treasury securities with a constant maturity (as compiled
and published in the Federal Reserve Statistical Release H.15 with respect to each applicable day during such week or, if such
Statistical Release is no longer published or available, any publicly available source of similar market data selected by the Issuer)
most nearly equal to the period from the applicable redemption date to June 30, 2023; provided, however, that if
the period from the applicable redemption date to June 30, 2023 is not equal to the constant maturity of a United States Treasury
security for which such a yield is given, the Treasury Rate shall be obtained by linear interpolation (calculated to the nearest
one twelfth of a year) from the weekly average yields of United States Treasury securities for which such yields are given, except
that if the period from the applicable redemption date to June 30, 2023 is less than one year, the weekly average yield on actually
traded United States Treasury securities adjusted to a constant maturity of one year will be used.

 

    -32-

     

    

 

“Trust Indenture Act”
or “TIA” means the Trust Indenture Act of 1939 as in force at the date as of which this Indenture was executed.

 

“Trustee” means U.S.
Bank National Association until a successor replaces it and, thereafter, means the successor.

 

“Uniform Commercial Code”
means the New York Uniform Commercial Code as in effect from time to time.

 

“Unrestricted Subsidiary”
means:

 

(1)       any
Subsidiary of the Issuer which at the time of determination is an Unrestricted Subsidiary (as designated by the Board of Directors
of the Issuer, as provided below) and

 

(2)       any
Subsidiary of an Unrestricted Subsidiary.

 

The Board of Directors of the Issuer may
designate any Subsidiary of the Issuer (including any existing Subsidiary and any newly acquired or newly formed Subsidiary) to
be an Unrestricted Subsidiary unless such Subsidiary or any of its Subsidiaries owns any Equity Interests or Indebtedness of, or
owns or holds any Lien on, any property of, the Issuer or any Subsidiary of the Issuer (other than any Subsidiary of the Subsidiary
to be so designated); provided that:

 

(1)       any
Unrestricted Subsidiary must be an entity of which the Equity Interests entitled to cast at least a majority of the votes that
may be cast by all Equity Interests having ordinary voting power for the election of directors or other governing body are owned,
directly or indirectly, by the Issuer,

 

(2)       such
designation complies with Section 1010, and

 

(3)       each
of

 

(A)       the
Subsidiary to be so designated and

 

(B)       its
Subsidiaries has not at the time of designation, and does not thereafter, create, incur, issue, assume, guarantee or otherwise
become directly or indirectly liable with respect to any Indebtedness pursuant to which the lender has recourse to any of the assets
of the Issuer or any Restricted Subsidiary.

 

The Board of Directors of the Issuer may
designate any Unrestricted Subsidiary to be a Restricted Subsidiary; provided that, immediately after giving effect to such
designation no Default shall have occurred and be continuing and either:

 

(1)       the
Issuer could incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio test described under Section
1011(a), or

 

(2)       the
Fixed Charge Coverage Ratio for the Issuer and the Restricted Subsidiaries would be equal to or greater than such ratio for the
Issuer and the Restricted Subsidiaries immediately prior to such designation, in each case on a pro forma basis taking
into account such designation.

 

    -33-

     

    

 

Any such designation by the Board of Directors
of the Issuer shall be notified by the Issuer to the Trustee by promptly filing with the Trustee a copy of the Board Resolution
giving effect to such designation and an Officer’s Certificate certifying that such designation complied with the foregoing
provisions.

 

“U.S. Person” means a
U.S. Person as defined in Rule 902(k) promulgated under the Securities Act.

 

“Vice President,” when
used with respect to the Issuer or the Trustee, means any vice president, whether or not designated by a number or a word or words
added before or after the title “vice president.”

 

“Voting Stock” of any
Person as of any date means the Capital Stock of such Person that is at the time entitled to vote in the election of the Board
of Directors of such Person.

 

“Weighted Average Life to Maturity”
means, when applied to any Indebtedness, Disqualified Stock or preferred stock, as the case may be, at any date, the quotient obtained
by dividing:

 

(1)       the
sum of the products of the number of years from the date of determination to the date of each successive scheduled principal payment
of such Indebtedness or redemption or similar payment with respect to such Disqualified Stock or preferred stock multiplied by

 

(2)       
the amount of such payment, by the sum of all such payments.

 

“Wholly-Owned Subsidiary”
of any Person means a Subsidiary of such Person, 100% of the outstanding Capital Stock or other ownership interests of which (other
than directors’ qualifying shares) shall at the time be owned by such Person or by one or more Wholly-Owned Subsidiaries
of such Person.

 

SECTION
103.         Compliance Certificates and Opinions.
Upon any application or request by the Issuer to the Trustee to take or refrain from taking any action under this Indenture, the
Issuer shall furnish to the Trustee an Officer’s Certificate stating that all conditions precedent, if any, provided for
in this Indenture (including any covenant compliance with which constitutes a condition precedent) relating to the proposed action
have been complied with and, other than in connection with the addition of a new Guarantor or parent guarantor, an Opinion of Counsel
stating that in the opinion of such counsel all such conditions precedent, if any, have been complied with, except that in the
case of any such application or request as to which the furnishing of such documents is specifically required by any provision
of this Indenture relating to such particular application or request, no additional certificate or opinion need be furnished.

 

Every certificate or opinion with respect
to compliance with a condition or covenant provided for in this Indenture (other than pursuant to Section 1008(a)) shall include:

 

(1)               
a statement that each individual signing such certificate or opinion has read such covenant or condition and the definitions
herein relating thereto;

 

(2)               
a brief statement as to the nature and scope of the examination or investigation upon which the statements or opinions contained
in such certificate or opinion are based;

 

(3)               
a statement that, in the opinion of each such individual, he has made such examination or investigation as is necessary
to enable him to express an informed opinion as to whether or not such covenant or condition has been complied with; and

 

(4)               
a statement as to whether, in the opinion of each such individual, such condition or covenant has been complied with.

 

SECTION
104.         Form of Documents Delivered to Trustee.
In any case where several matters are required to be certified by, or covered by an opinion of, any specified Person, it is not
necessary that all such matters be certified by, or covered by the opinion of, only one such Person, or that they be so certified
or covered by only one document, but one such Person may certify or give an opinion with respect to some matters and one or more
other such Persons as to other matters, and any such Person may certify or give an opinion as to such matters in one or several
documents.

 

    -34-

     

    

 

Any certificate or opinion of an officer
of the Issuer may be based, insofar as it relates to legal matters, upon a certificate or opinion of, or representations by, counsel,
unless such officer knows, or in the exercise of reasonable care should know, that the certificate or opinion or representations
with respect to the matters upon which his certificate or opinion is based are erroneous. Any such certificate or opinion may be
based, insofar as it relates to factual matters, upon a certificate or opinion of, or representations by, an officer or officers
of the Issuer stating that the information with respect to such factual matters is in the possession of the Issuer, unless such
counsel knows, or in the exercise of reasonable care should know, that the certificate or opinion or representations with respect
to such matters are erroneous.

 

Where any Person is required to make, give
or execute two or more applications, requests, consents, certificates, statements, opinions or other instruments under this Indenture,
they may, but need not, be consolidated and form one instrument.

 

SECTION
105.         Acts of Holders.

 

(a)                
Any request, demand, authorization, direction, notice, consent, waiver or other action provided by this Indenture to be
given or taken by Holders may be embodied in and evidenced by one or more instruments of substantially similar tenor signed by
such Holders in person or by agents duly appointed in writing; and, except as herein otherwise expressly provided, such action
shall become effective when such instrument or instruments are delivered to the Trustee and, where it is hereby expressly required,
to the Issuer. Such instrument or instruments (and the action embodied therein and evidenced thereby) are herein sometimes referred
to as the “Act” of the Holders signing such instrument or instruments. Proof of execution of any such instrument
or of a writing appointing any such agent shall be sufficient for any purpose of this Indenture and conclusive in favor of the
Trustee and the Issuer, if made in the manner provided in this Section.

 

(b)               
The fact and date of the execution by any Person of any such instrument or writing may be proved by the affidavit of a witness
of such execution or by a certificate of a notary public or other officer authorized by law to take acknowledgments of deeds, certifying
that the individual signing such instrument or writing acknowledged to him the execution thereof. Where such execution is by a
signer acting in a capacity other than his individual capacity, such certificate or affidavit shall also constitute sufficient
proof of authority. The fact and date of the execution of any such instrument or writing, or the authority of the Person executing
the same, may also be proved in any other manner that the Trustee deems sufficient.

 

(c)                
The principal amount and serial numbers of Notes held by any Person, and the date of holding the same, shall be proved by
the Note Register.

 

(d)               
If the Issuer shall solicit from the Holders any request, demand, authorization, direction, notice, consent, waiver or other
Act, the Issuer may, at its option, fix in advance a record date for the determination of Holders entitled to give such request,
demand, authorization, direction, notice, consent, waiver or other Act, but the Issuer shall have no obligation to do so. Such
record date shall be a date not earlier than the date 30 days prior to the first solicitation of Holders generally in connection
therewith and not later than the date such solicitation is completed. If such a record date is fixed, such request, demand, authorization,
direction, notice, consent, waiver or other Act may be given before or after such record date, but only the Holders of record at
the close of business on such record date shall be deemed to be Holders for the purposes of determining whether Holders of the
requisite proportion of Outstanding Notes have authorized or agreed or consented to such request, demand, authorization, direction,
notice, consent, waiver or other Act, and for that purpose the Outstanding Notes shall be computed as of such record date; provided,
that no such authorization, agreement or consent by the Holders on such record date shall be deemed effective unless it shall become
effective pursuant to the provisions of this Indenture not later than eleven months after the record date. Any request, demand,
authorization, direction, notice, consent, waiver or other Act of the Holder of any Note shall bind every future Holder of the
same Note and the Holder of every Note issued upon the registration of transfer thereof or in exchange therefor or in lieu thereof
in respect of anything done, omitted or suffered to be done by the Trustee, the Issuer or any Guarantor in reliance thereon, whether
or not notation of such action is made upon such Note.

 

    -35-

     

    

 

SECTION
106.         Notices, Etc., to Trustee, Issuer, any Guarantor and Agent.
Any request, demand, authorization, direction, notice, consent, waiver or other Act of Holders or other document provided or permitted
by this Indenture to be made upon, given or furnished to, or filed with,

 

(1)             
the Trustee by any Holder or by the Issuer or any Guarantor shall be sufficient for every purpose hereunder if made, given,
furnished or filed in writing via facsimile, email in PDF format or mailed, first class postage prepaid, or delivered by recognized
overnight courier, to or with the Trustee at the Corporate Trust Office; or

 

(2)             
the Issuer or any Guarantor by the Trustee or by any Holder shall be sufficient for every purpose hereunder (unless otherwise
herein expressly provided) if made, given, furnished or delivered in writing via facsimile, or email in PDF or mailed, first class
postage prepaid, or delivered by recognized overnight courier, to the Issuer or such Guarantor addressed to BWX Technologies,
Inc., 800 Main Street, 4th Floor, Lynchburg, VA 24504, or at any other address previously furnished in writing to the
Trustee by the Issuer or such Guarantor.

 

All notices, approvals, consents, requests
and any communications hereunder must be in writing (provided that any communication sent to the Trustee hereunder must be in the
form of a document that is signed manually or by way of a digital signature provided by DocuSign (or such other digital signature
provider as specified in writing to the Trustee by the authorized representative), in English. The Issuer agrees to assume all
risks arising out of the use of using digital signatures and electronic methods to submit communications to the Trustee, including
without limitation the risk of the Trustee acting on unauthorized instructions, and the risk of interception and misuse by third
parties.

 

A copy of all notices to any Agent shall
be sent to the Trustee at the address show above. Any Person may change its address by giving notice of such change as set forth
herein.

 

SECTION
107.         Notice to Holders; Waiver.
Where this Indenture provides for notice of any event to Holders by the Issuer or the Trustee, such notice shall be sufficiently
given (unless otherwise herein expressly provided) if in writing and delivered electronically or mailed, first class postage prepaid,
to each Holder affected by such event, at his address as it appears in the Note Register, not later than the latest date, and not
earlier than the earliest date, prescribed for the giving of such notice. In any case where notice to Holders is given by mail,
neither the failure to mail such notice, nor any defect in any notice so mailed, to any particular Holder shall affect the sufficiency
of such notice with respect to other Holders. Notices given by publication shall be deemed given on the first date on which publication
is made, notices given by first-class mail, postage prepaid, shall be deemed given five calendar days after mailing; notices sent
by overnight delivery service will be deemed given when delivered; and notices given electronically shall be deemed given when
sent. Any notices required to be given to the holders of Notes that are in global form will be given to the Depository.

 

The Trustee agrees to accept and act upon
instructions or directions pursuant to this Indenture sent by unsecured e-mail, pdf, facsimile transmission or other similar unsecured
electronic methods, provided, however, that the Trustee shall have received an incumbency certificate listing persons
designated to give such instructions or directions and containing specimen signatures of such designated persons, which such incumbency
certificate shall be amended and replaced whenever a person is to be added or deleted from the listing. If the Issuer elects to
give the Trustee e-mail or facsimile instructions (or instructions by a similar electronic method) and the Trustee in its discretion
elects to act upon such instructions, the Trustee’s understanding of such instructions shall be deemed controlling. The Trustee
shall not be liable for any losses, costs or expenses arising directly or indirectly from the Trustee’s reliance upon and
compliance with such instructions notwithstanding such instructions conflict or are inconsistent with a subsequent written instruction.
The Issuer agrees to assume all risks arising out of the use of such electronic methods to submit instructions and directions to
the Trustee, including without limitation the risk of the Trustee acting on unauthorized instructions, and the risk or interception
and misuse by third parties.

  

    -36-

     

    

 

In case by reason of the suspension of or
irregularities in regular mail service or by reason of any other cause, it shall be impracticable to mail notice of any event to
Holders when such notice is required to be given pursuant to any provision of this Indenture, then any manner of giving such notice
as shall be satisfactory to the Trustee shall be deemed to be a sufficient giving of such notice for every purpose hereunder.

 

Where this Indenture provides for notice
in any manner, such notice may be waived in writing by the Person entitled to receive such notice, either before or after the event,
and such waiver shall be the equivalent of such notice. Waivers of notice by Holders shall be filed with the Trustee, but such
filing shall not be a condition precedent to the validity of any action taken in reliance upon such waiver.

 

SECTION
108.         Effect of Headings and Table of Contents.
The Article and Section headings herein and the Table of Contents and the reconciliation and tie between the TIA and this Indenture
are for convenience of reference only, are not intended to be considered a part hereof and shall not affect the construction hereof.

 

SECTION
109.         Successors and Assigns.
All agreements of the Issuer in this Indenture and the Notes will bind its successors. All agreements of the Trustee in this Indenture
will bind its successors. All agreements of each Guarantor in this Indenture will bind its successors, except as otherwise provided
in Section 1208 hereof.

 

SECTION
110.         Severability Clause.
In case any provision in this Indenture or in 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
111.         Benefits of Indenture.
Nothing in this Indenture or in the Notes, express or implied, shall give to any Person, other than the parties hereto, any Paying
Agent, any Note Registrar and their successors hereunder and the Holders any benefit or any legal or equitable right, remedy or
claim under this Indenture.

 

SECTION
112.         Governing Law.
This Indenture, the Notes and any Guarantee shall be governed by and construed in accordance with the laws of the State of New
York. This Indenture is subject to the provisions of the Trust Indenture Act that are required to be part of this Indenture and
shall, to the extent applicable, be governed by such provisions. THE PARTIES HERETO AGREE TO SUBMIT TO THE JURISDICTION OF ANY
UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING
OUT OF OR RELATING TO THIS INDENTURE OR THE NOTES.

 

SECTION
113.         Legal Holidays.
In any case where any Interest Payment Date, Redemption Date or Stated Maturity or Maturity of any Note shall not be a Business
Day, then (notwithstanding any other provision of this Indenture or of the Notes) payment of principal (or premium, if any) or
interest need not be made on such date, but may be made on the next succeeding Business Day with the same force and effect as if
made on the Interest Payment Date, Redemption Date, or at the Stated Maturity or Maturity; provided, that no interest shall
accrue for purposes of such payment for the period from and after such Interest Payment Date, Redemption Date, Stated Maturity
or Maturity, as the case may be.

 

SECTION
114.         No Personal Liability of Directors, Managers, Officers, Employees
and Stockholders. No director, manager, officer,
employee, incorporator, member or stockholder of the Issuer or any Guarantor or any of their parent companies shall have any liability
for any obligations of the Issuer or the Guarantors under the Notes, the Guarantees or this Indenture or for any claim based on,
in respect of, or by reason of such obligations or their creation. Each Holder by accepting a Note waives and releases all such
liability to the fullest extent permitted by applicable law. 

 

SECTION
115.         Trust Indenture Act Controls.
If any provision of this Indenture limits, qualifies or conflicts with another provision which is required to be included in this
Indenture by the TIA, the provision required by the TIA shall control. If any provision of this Indenture modifies or excludes
any provision of the TIA that may be so modified or excluded, the latter provision shall be deemed to apply to this Indenture as
so modified or excluded, as the case may be. 

 

    -37-

     

    

 

SECTION
116.         Counterparts.
This Indenture may be executed in any number of counterparts, each of which shall be original; but such counterparts shall together
constitute but one and the same instrument. One signed copy is enough to prove this Indenture. The exchange of copies of this Indenture
and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Indenture as
to the parties hereto and may be used in lieu of the original Indenture for all purposes. Signatures of the parties hereto transmitted
by facsimile or PDF shall be deemed to be their original signatures for all purposes.

 

SECTION
117.         USA PATRIOT Act.
In order to comply with the laws, rules, regulations and executive orders in effect from time to time applicable to banking institutions,
including, without limitation, those relating to the funding of terrorist activities and money laundering, including Section 326
of the USA PATRIOT Act of the United States (“Applicable AML Law”), the Trustee is required to obtain, verify,
record and update certain information relating to individuals and entities which maintain a business relationship with the Trustee.
Accordingly, each of the parties agree to provide to the Trustee, upon its request from time to time such identifying information
and documentation as may be available for such party in order to enable the Trustee to comply with Applicable AML Law.

 

SECTION
118.         Waiver of Jury Trial.
EACH OF THE ISSUER, ANY GUARANTOR AND THE TRUSTEE AND EACH HOLDER, BY ITS ACCEPTANCE THEREOF, THEREBY IRREVOCABLY WAIVES, TO THE
FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING ARISING OUT OF OR RELATING
TO THIS INDENTURE, THE NOTES OR ANY OF THE TRANSACTIONS CONTEMPLATED THEREBY OR HEREBY.

 

SECTION
119.         Force Majeure.
In no event shall the Trustee be responsible or liable for any failure or delay in the performance of its obligations hereunder
arising out of or caused by, directly or indirectly, forces beyond its control, including, without limitation, strikes, work stoppages,
accidents, acts of war or terrorism, civil or military disturbances, nuclear or natural catastrophes or acts of God, and interruptions,
loss or malfunctions of utilities, communications or computer (software and hardware) services; it being understood that the Trustee
shall use reasonable efforts that are consistent with accepted practices in the banking industry to resume performance as soon
as practicable under the circumstances.

 

ARTICLE
Two

NOTE FORMS

 

SECTION
201.         Form and Dating.
Provisions relating to the Initial Notes are set forth in Annex I attached hereto (the “Appendix”) which is
hereby incorporated in, and expressly made part of, this Indenture. The Initial Notes and the Trustee’s certificate of authentication
shall be substantially in the form of Exhibit 1 to the Appendix which is hereby incorporated in, and expressly made a part of,
this Indenture. The Notes may have notations, legends or endorsements required by law, stock exchange rule, agreements to which
the Issuer is subject, if any, or usage (provided that any such notation, legend or endorsement is in a form reasonably
acceptable to the Issuer). Each Note shall be dated the date of its authentication. The terms of the Note set forth in the Appendix
are part of the terms of this Indenture.

 

SECTION
202.         Execution, Authentication, Delivery and Dating.
The Notes shall be executed on behalf of the Issuer by at least one Officer. The signature of any Officer on the Notes may be manual
or facsimile signatures of the present or any future such authorized officer and may be imprinted or otherwise reproduced on the
Notes.

 

Notes bearing the manual or facsimile signature
of an individual who was at any time the proper officer of the Issuer shall bind the Issuer, notwithstanding that such individual
has ceased to hold such office prior to the authentication and delivery of such Notes or did not hold such office at the date of
such Notes.

 

At any time and from time to time after
the execution and delivery of this Indenture, the Issuer may deliver Notes executed by the Issuer to the Trustee for authentication,
together with an Issuer Order for the authentication and delivery of such Notes, and the Trustee in accordance with such Issuer
Order shall authenticate and deliver such Notes.

 

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On the Issue Date, the Issuer shall deliver
the Initial Notes in the aggregate principal amount of $400,000,000 executed by the Issuer to the Trustee for authentication, together
with an Issuer Order for the authentication and delivery of such Notes, specifying the principal amount and registered holder of
each Note, directing the Trustee to authenticate the Notes and deliver the same to the persons named in such Issuer Order and the
Trustee in accordance with such Issuer Order shall authenticate and deliver such Initial Notes. At any time and from time to time
after the Issue Date, the Issuer may deliver Additional Notes executed by the Issuer to the Trustee for authentication, together
with an Issuer Order for the authentication and delivery of such Additional Notes, specifying the principal amount of and registered
holder of each Note, directing the Trustee to authenticate the Additional Notes and deliver the same to the persons in such Issuer
Order and the Trustee in accordance with such Issuer Order shall authenticate and deliver such Additional Notes. In each case (other
than the issuance of the Initial Notes), the Trustee shall receive an Officer’s Certificate and an Opinion of Counsel of
the Issuer that it may reasonably require in connection with such authentication of Notes. Such Issuer Order shall specify the
date on which the original issue of Notes is to be authenticated. In authenticating Additional Notes and accepting the additional
responsibilities under this Indenture in relation to such Additional Notes, the Trustee shall receive, and be fully protected in
relying on:

 

(a)      A copy of the resolution
or resolutions of the Board of Directors in or pursuant to which the terms and form of the Notes were established, certified by
the Secretary or an Assistant Secretary of the Issuer as having been duly adopted by the Board of Directors and to be in full force
and effect as of the date of such certificate, or if the terms and form of such Notes are established by an Officer’s Certificate
pursuant to general authorization of the Board of Directors, such Officer’s Certificate;

 

(b)      an executed supplemental
indenture, if any;

 

(c)      an Officer’s Certificate
delivered in accordance with Section 103; and

 

(d)      an Opinion of Counsel which
shall state:

 

(1)        that the form and terms of
such Notes have been established in conformity with the other provisions of this Indenture; and

 

(2)        that such Notes, when authenticated
and delivered by the Trustee and issued by the Issuer in the manner and subject to any conditions specified in such Opinion of
Counsel, will constitute valid and legally binding obligations of the Issuer, enforceable in accordance with their terms, subject
to bankruptcy, insolvency, reorganization and other laws of general applicability relating to or affecting the enforcement of creditors'
rights and to general equity principles.

 

Each Note shall be dated the date of its
authentication.

 

No Note shall be entitled to any benefit
under this Indenture or be valid or obligatory for any purpose unless there appears on such Note a certificate of authentication
substantially in the form provided for herein duly executed by the Trustee by manual signature of an authorized signatory, and
such certificate upon any Note shall be conclusive evidence, and the only evidence, that such Note has been duly authenticated
and delivered hereunder and is entitled to the benefits of this Indenture.

 

In case the Issuer or any Guarantor, pursuant
to Article Eight of this Indenture, shall be consolidated or merged with or into any other Person or shall convey, transfer, lease
or otherwise dispose of its properties and assets substantially as an entirety to any Person, and the successor Person resulting
from such consolidation, or surviving such merger, or into which the Issuer or such Guarantor shall have been merged, or the Person
which shall have received a conveyance, transfer, lease or other disposition as aforesaid, shall have executed a supplemental indenture
hereto with the Trustee pursuant to Article Eight of this Indenture, any of the Notes authenticated or delivered prior to such
consolidation, merger, conveyance, transfer, lease or other disposition may, from time to time, at the request of the successor
Person, be exchanged for other Notes executed in the name of the successor Person with such changes in phraseology and form as
may be appropriate, but otherwise in substance of like tenor as the Notes surrendered for such exchange and of like principal amount;
and the Trustee, upon Issuer Request of the successor Person, shall authenticate and deliver Notes as specified in such request
for the purpose of such exchange. If Notes shall at any time be authenticated and delivered in any new name of a successor Person
pursuant to this Section in exchange or substitution for or upon registration of transfer of any Notes, such successor Person,
at the option of the Holders but without expense to them, shall provide for the exchange of all Notes at the time Outstanding for
Notes authenticated and delivered in such new name.

 

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The Trustee may appoint an authenticating
agent acceptable to the Issuer to authenticate Notes. An authenticating agent may authenticate Notes whenever the Trustee may do
so. Each reference in this Indenture to authentication by the Trustee includes authentication by such agent. An authenticating
agent has the same rights as an Agent to deal with Holders or an affiliate of the Issuer.

 

ARTICLE
Three

THE NOTES

 

SECTION
301.         Title and Terms.
The aggregate principal amount of Notes which may be authenticated and issued under this Indenture is not limited; provided
that any Additional Notes issued under this Indenture are issued in accordance with Sections 202, 312 and 1011 hereof, as part
of the same series as the Initial Notes.

 

The terms and provisions contained in the
Notes shall constitute, and are hereby expressly made, a part of this Indenture, and the Issuer, the Guarantors and the Trustee,
by their execution and delivery of this Indenture, expressly agree to such terms and provisions and to be bound thereby. However,
to the extent any provision of any Note conflicts with the express provisions of this Indenture, the provisions of this Indenture
shall govern and be controlling.

 

The Notes shall be known and designated
as the “4.125% Senior Notes due 2028” of the Issuer. The Stated Maturity of the Notes shall be June 30, 2028, and the
Notes shall bear interest at the rate of 4.125% per annum from the Issue Date, or from the most recent Interest Payment Date to
which interest has been paid or duly provided for, payable on December 30, 2020 and semi-annually thereafter on June 30 and December
30 in each year and at said Stated Maturity, until the principal thereof is paid or duly provided for and to the Person in whose
name the Note (or any Predecessor Note) is registered at the close of business on June 15 and December 15 immediately preceding
such Interest Payment Date (each, a “Regular Record Date”).

 

The principal of (and premium, if any) and
interest on the Notes shall be payable at the offices or agencies of the Issuer set forth in Section 302, or, at the option of
the Issuer, payment of interest may be made by check mailed to the Holders of the Notes at their respective addresses set forth
in the Note Register of Holders; provided that all payments of principal, premium, if any, and interest with respect to
Notes represented by one or more permanent Global Notes registered in the name of or held by the Depository or its nominee will
be made by wire transfer of immediately available funds to the Depository.

 

Holders shall have the right to require
the Issuer to purchase their Notes, in whole or in part, in the event of a Change of Control pursuant to Section 1016. The Notes
shall be subject to repurchase pursuant to an Asset Sale Offer as provided in Section 1017.

 

The Notes shall be redeemable as provided
in Article Eleven.

 

The due and punctual payment of principal
of (and premium, if any) and interest on the Notes payable by the Issuer is irrevocably unconditionally guaranteed, to the extent
set forth herein, by each of the Guarantors.

 

SECTION
302.         Note Registrar, Transfer Agent and Paying Agent.
The Issuer shall maintain one or more paying agents (each, a “Paying Agent”) for the Notes in New York. The
Issuer hereby appoints the Trustee as the initial Paying Agent.

 

The Issuer shall be responsible for making
calculations called for under the Notes, including but not limited to determination of redemption price or other amounts payable
on the Notes. The Issuer will make the calculations in good faith and, absent manifest error, its calculations will be final and
binding on the Holders. The Issuer will provide a schedule of its calculations to the Trustee when requested by the Trustee, and
the Trustee is entitled to rely conclusively on the accuracy of the Issuer’s calculations without independent verification.
The Trustee shall forward the Issuer’s calculations to any Holder of the Notes upon the written request of such Holder.

 

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The Issuer will also maintain one or more
registrars (each, a “Note Registrar”) with offices in New York. The Issuer will also maintain a transfer agent
(each, a “Transfer Agent”) in New York. The Issuer hereby appoints the Trustee as the initial Note Registrar
and Transfer Agent. The Note Registrar and the Transfer Agent shall keep a register of the Notes and of their transfer and exchange
(the register maintained in such office and in any other office or agency designated pursuant to Section 1002 being herein sometimes
referred to as the “Note Register”). The Note Register shall be in written form or any other form capable of
being converted into written form within a reasonable time. At all reasonable times, the Note Register shall be open to inspection
by the Trustee. The Issuer may change the Paying Agents, the Note Registrars or the Transfer Agents without prior notice to the
Holders. The Issuer may have one or more co-registrars and one or more additional paying agents. The term “Note Registrar”
includes any co-registrars.

 

The Issuer shall enter into an appropriate
agency agreement with any Note Registrar or Paying Agent not a party to this Indenture. The agreement shall implement the provisions
of this Indenture that relate to such agent. The Issuer shall notify the Trustee in writing of the name and address of any such
agent. If the Issuer fails to maintain a Note Registrar or Paying Agent, the Trustee shall act as such and shall be entitled to
appropriate compensation therefor pursuant to Section 607. The Issuer or any Affiliate thereof may act as Paying Agent or Note
Registrar.

 

The Issuer acknowledges that neither the
Trustee nor any Agent makes any representations as to the interpretation or characterization of the transactions herein undertaken
for tax or any other purpose, in any jurisdiction.

 

SECTION
303.         Denominations.
The Notes shall be issuable only in registered form without coupons and only in denominations of $2,000 and any integral multiples
of $1,000 in excess thereof.

 

SECTION
304.         Temporary Notes.
Pending the preparation of definitive Notes, the Issuer may execute, and upon Issuer Order the Trustee shall authenticate and deliver,
temporary Notes which are printed, lithographed, typewritten, mimeographed or otherwise produced, in any authorized denomination,
substantially of the tenor of the definitive Notes in lieu of which they are issued and with such appropriate insertions, omissions,
substitutions and other variations as the officers executing such Notes may determine, as conclusively evidenced by their execution
of such Notes.

 

If temporary Notes are issued, the Issuer
will cause definitive Notes to be prepared without unreasonable delay. After the preparation of definitive Notes, the temporary
Notes shall be exchangeable for definitive Notes upon surrender of the temporary Notes at the office or agency of the Issuer designated
for such purpose pursuant to Section 1002, without charge to the Holder. Upon surrender for cancellation of any one or more temporary
Notes, the Issuer shall execute and the Trustee shall authenticate and deliver in exchange therefor a like principal amount of
definitive Notes of authorized denominations. Until so exchanged, the temporary Notes shall in all respects be entitled to the
same benefits under this Indenture as definitive Notes.

 

SECTION
305.         Registration of Transfer and Exchange.
Upon surrender for registration of transfer of any Note at the office or agency of the Issuer designated pursuant to Section 1002,
the Issuer shall execute, and the Trustee shall authenticate and deliver, in the name of the designated transferee or transferees,
one or more new Notes of any authorized denomination or denominations of a like aggregate principal amount.

 

At the option of the Holder, Notes may be
exchanged for other Notes of any authorized denomination and of a like aggregate principal amount, upon surrender of the Notes
to be exchanged at such office or agency together with endorsement, instrument of exchange and such other required deliverables
in form satisfactory to the Issuer, the Note Registrar and the Trustee. Whenever any Notes are so surrendered for exchange, the
Issuer shall execute, and upon receipt of an Issuer Order, the Trustee shall authenticate and deliver in accordance with such Issuer
Order, the Notes which the Holder making the exchange is entitled to receive.

 

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All Notes issued upon any registration of
transfer or exchange of Notes shall be the valid obligations of the Issuer, evidencing the same debt, and entitled to the same
benefits under this Indenture, as the Notes surrendered upon such registration of transfer or exchange.

 

Every Note presented or surrendered for
registration of transfer or for exchange shall (if so required by the Issuer, the Note Registrar or the Trustee) be duly endorsed,
or be accompanied by written instruments of transfer, in form satisfactory to the Issuer, the Note Registrar and the Trustee, duly
executed by the Holder thereof or his attorney duly authorized in writing.

 

No service charge shall be made for any
registration of transfer or exchange or redemption of Notes, but the Issuer may require payment of a sum sufficient to cover any
taxes, fees or other governmental charge that may be imposed in connection with any registration of transfer or exchange of Notes,
other than exchanges pursuant to Sections 202, 304, 906, 1016, 1017 or 1108 not involving any transfer.

 

The Trustee shall have no obligation or
duty to monitor, determine or inquire as to compliance with any restrictions on transfer imposed under this Indenture or under
applicable law with respect to any transfer of any interest in any Note (including any transfers between or among Depository participants
or beneficial owners of interests in any Notes in global form) other than to require delivery of such certificates and other documentation
or evidence as are expressly required by, and to do so if and when expressly required by the terms of, this Indenture, and to examine
the same to determine substantial compliance as to form with the express requirements hereof.

 

SECTION
306.         Mutilated, Destroyed, Lost and Stolen Notes.
If (1) any mutilated Note is surrendered to the Trustee, or (2) the Issuer and the Trustee receive evidence to their satisfaction
of the destruction, loss or theft of any Note, and there is delivered to the Issuer and the Trustee such security and/or indemnity
to save each of them harmless from any claim, loss, cost or liability resulting from such lost or stolen Note, then, in the absence
of written notice to the Issuer or the Trustee that such Note has been acquired by a Protected Purchaser (as defined in Section
8-303 of the Uniform Commercial Code) (a “Protected Purchaser”), the Issuer shall execute and upon Issuer Order
the Trustee shall authenticate and deliver, in exchange for any such mutilated Note or in lieu of any such destroyed, lost or stolen
Note, a new Note of like tenor and principal amount, bearing a number not contemporaneously outstanding.

 

In case any such mutilated, destroyed, lost
or stolen Note has become or is about to become due and payable, the Issuer in its discretion may, instead of issuing a new Note,
pay such Note.

 

Upon the issuance of any new Note under
this Section, the Issuer may require the payment of a sum sufficient to cover any tax or other governmental charge that may be
imposed in relation thereto and any other expenses (including the fees and expenses of the Trustee) connected therewith.

 

Every new Note issued pursuant to this Section
in lieu of any mutilated, destroyed, lost or stolen Note shall constitute an original additional contractual obligation of the
Issuer and each Guarantor, whether or not the mutilated, destroyed, lost or stolen Note shall be at any time enforceable by anyone,
and shall be entitled to all benefits of this Indenture equally and proportionately with any and all other Notes duly issued hereunder.

 

The provisions of this Section are exclusive
and shall preclude (to the extent lawful) all other rights and remedies with respect to the replacement or payment of mutilated,
destroyed, lost or stolen Notes.

 

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SECTION
307.         Payment of Interest; Interest Rights Preserved.

 

(a)                
Interest on any Note which is payable, and is punctually paid or duly provided for, on any Interest Payment Date shall be
paid to the Person in whose name such Note (or one or more Predecessor Notes) is registered at the close of business on the Regular
Record Date for such interest at the office or agency of the Issuer maintained for such purpose pursuant to Section 1002; provided
that, subject to Section 301 hereof, each installment of interest may at the Issuer’s option be paid by (1) mailing a
check for such interest, payable to or upon the written order of the Person entitled thereto pursuant to Section 308, to the address
of such Person as it appears in the Note Register or (2) transfer to an account maintained by the payee; provided that payment
by wire transfer of immediately available funds shall be required with respect to principal of, premium on, if any, and interest
on, all Notes in global form and all other Notes the Holders of which shall have provided wire transfer instructions to the Issuer
and the Paying Agent. If paying principal, premium, or interest on a global note, not later than 10:00 a.m. (New York City time)
on the due date of any principal of or interest on any Notes of a series, or any redemption or purchase price of the Notes, the
Issuer will deposit with the Paying Agent (and the Paying Agent shall have received such funds by such time) money in immediately
available funds sufficient to pay such amounts, provided that if the Issuer, a Guarantor or any of their Subsidiaries is acting
as paying agent, it will, on or before each due date, segregate and hold in a separate trust fund for the benefit of the Holders
of the Notes of such series a sum of money sufficient to pay such amounts until paid to such Holders or otherwise disposed of as
provided in this Indenture.

 

(b)               
Any interest on any Note which is payable, but is not punctually paid or duly provided for, on any Interest Payment Date
shall forthwith cease to be payable to the Holder on the Regular Record Date by virtue of having been such Holder, and such defaulted
interest and (to the extent lawful) interest on such defaulted interest at the rate borne by the Notes (such defaulted interest
and interest thereon herein collectively called “Defaulted Interest”) may be paid by the Issuer, at its election
in each case, as provided in clause (1) or (2) below:

 

(1)               
the Issuer may elect to make payment of any Defaulted Interest to the Persons in whose names the Notes (or their respective
Predecessor Notes) are registered at the close of business on a Special Record Date for the payment of such Defaulted Interest,
which shall be fixed in the following manner. The Issuer shall notify the Trustee in writing of the amount of Defaulted Interest
proposed to be paid on each Note and the date of the proposed payment, and at the same time the Issuer shall deposit with the Trustee
an amount of money equal to the aggregate amount proposed to be paid in respect of such Defaulted Interest or shall make arrangements
satisfactory to the Trustee for such deposit prior to the date of the proposed payment, such money when deposited to be held in
trust for the benefit of the Persons entitled to such Defaulted Interest as in this clause provided. Thereupon the Trustee shall
fix a Special Record Date for the payment of such Defaulted Interest which shall be not more than 15 days and not less than 10
days prior to the date of the proposed payment and not less than 10 days after the receipt by the Trustee of the notice of the
proposed payment. The Trustee shall promptly notify the Issuer of such Special Record Date, and in the name and at the expense
of the Issuer, shall cause notice of the proposed payment of such Defaulted Interest and the Special Record Date therefor to be
given in the manner provided for in Section 107, not less than 10 days prior to such Special Record Date. Notice of the proposed
payment of such Defaulted Interest and the Special Record Date therefor having been so given, such Defaulted Interest shall be
paid to the Persons in whose names the Notes (or their respective Predecessor Notes) are registered at the close of business on
such Special Record Date and shall no longer be payable pursuant to the following clause (2); and

 

(2)               
the Issuer may make payment of any Defaulted Interest in any other lawful manner not inconsistent with the requirements
of any securities exchange on which the Notes may be listed, and upon such notice as may be required by such exchange, if, after
written notice given by the Issuer to the Trustee of the proposed payment pursuant to this clause, such manner of payment shall
be deemed practicable by the Trustee.

 

(c)                
Subject to the foregoing provisions of this Section, each Note delivered under this Indenture upon registration of transfer
of or in exchange for or in lieu of any other Note shall carry the rights to interest accrued and unpaid, and to accrue, which
were carried by such other Note.

 

SECTION
308.         Persons Deemed Owners.
Prior to the due presentment of a Note for registration of transfer, the Issuer, any Guarantor, the Trustee and any agent of the
Issuer or the Trustee may treat the Person in whose name such Note is registered as the owner of such Note for the purpose of receiving
payment of principal of (and premium, if any) and (subject to Sections 305 and 307) interest on such Note and for all other purposes
whatsoever, whether or not such Note be overdue, and none of the Issuer, the Trustee or any agent of the Issuer or the Trustee
shall be affected by notice to the contrary.

 

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SECTION
309.         Cancellation.
All Notes surrendered for payment, redemption, registration of transfer or exchange shall, if surrendered to any Person other than
the Trustee, be delivered to the Trustee and shall be cancelled by the Trustee in accordance with its customary procedures. The
Issuer may at any time deliver to the Trustee for cancellation any Notes previously authenticated and delivered hereunder which
the Issuer may have acquired in any manner whatsoever, and may deliver to the Trustee (or to any other Person for delivery to the
Trustee) for cancellation any Notes previously authenticated hereunder which the Issuer has not issued and sold, and all Notes
so delivered shall be cancelled by the Trustee in accordance with its customary procedures. If the Issuer shall so acquire any
of the Notes, however, such acquisition shall not operate as a redemption or satisfaction of the indebtedness represented by such
Notes unless and until the same are surrendered to the Trustee for cancellation. No Notes shall be authenticated in lieu of or
in exchange for any Notes cancelled as provided in this Section, except as expressly permitted by this Indenture. All cancelled
Notes held by the Trustee shall be disposed of by the Trustee in accordance with its customary procedures. Evidence or confirmation
of the cancellation of such Notes shall be delivered to the Issuer by the Trustee upon the Issuer’s request. The Note Registrar
shall maintain a record of all cancelled Notes in accordance with its customary procedures. The Note Registrar shall provide the
Issuer a list of all Notes that have been cancelled from time to time as requested by the Issuer.

 

SECTION
310.         Computation of Interest.
Interest on the Notes shall be computed on the basis of a 360-day year of twelve 30-day months.

 

SECTION
311.         Transfer and Exchange.
The Notes shall be issued in registered form and shall be transferable only upon the surrender of a Note for registration of transfer.
When a Note is presented to the Note Registrar or a co-registrar with a request to register a transfer, the Note Registrar shall
register the transfer as requested if the requirements of this Indenture and Section 8-401(a) of the Uniform Commercial Code are
met. When Notes are presented to the Note Registrar or a co-registrar with a request to exchange them for an equal principal amount
of Notes of other denominations, the Note Registrar shall make the exchange as requested if the same requirements are met.

 

The Issuer shall not be required, and without
the prior written consent of the Issuer, the Note Registrar shall not be required, to register the transfer of or exchange of any
Note (1) during a period beginning at the opening of business 15 days before provision of a notice of redemption of Notes and ending
at the close of business on the day of such provision, (2) selected for redemption in whole or in part, (3) that has been tendered
in a Change of Control Offer, Asset Sale Offer or other tender offer and (4) beginning at the opening of business on any record
date and ending on the close of business on the related Interest Payment Date.

 

SECTION
312.         CUSIP, ISIN and Common Code Numbers.
The Issuer in issuing the Notes may use CUSIP, ISINs and “Common Code” numbers (in each case, if then generally in
use) in addition to serial numbers, and, if so, the Trustee shall use such CUSIP, ISINs and “Common Code” numbers in
addition to serial numbers in notices of redemption, repurchase or other notices to Holders as a convenience to Holders; provided
that the Trustee shall have no liability for any defect in such numbers as they appear on any Note, notice or elsewhere, and
provided, further, that any such notice may state that no representation is made as to the correctness of such CUSIP,
ISINs and “Common Code” numbers either as printed on the Notes or as contained in any notice of a redemption or repurchase
and that reliance may be placed only on the serial or other identification numbers printed on the Notes, and any such redemption
or repurchase shall not be affected by any defect in or omission of such numbers. The Issuer will promptly notify the Trustee in
writing of any change in the CUSIP, ISINs and “Common Code” numbers applicable to the Notes. 

 

SECTION
313.         Issuance of Additional Notes.
The Issuer may, subject to Section 1011 of this Indenture, issue additional Notes having identical terms and conditions to
the Initial Notes issued on the Issue Date (the “Additional Notes”). The Initial Notes issued on the Issue
Date and any Additional Notes subsequently issued shall be treated as a single class for all purposes under this Indenture; provided,
that Additional Notes will not be issued with the same CUSIP number, if any, as Initial Notes unless such Additional Notes are
fungible with Initial Notes for U.S. Federal income tax purposes.

 

SECTION
314.         Global Securities.

 

Neither the Trustee nor any Agent shall
have any responsibility or liability for any actions taken or not taken by the Depository.

 

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ARTICLE
Four

SATISFACTION AND DISCHARGE

 

SECTION
401.         Satisfaction and Discharge of Indenture.
This Indenture will be discharged and will cease to be of further effect and the Trustee, at the expense of the Issuer, shall execute
proper instruments acknowledging satisfaction and discharge of this Indenture when:

 

(1)             
either,

 

(A)              
all Notes theretofore authenticated and delivered (other than (i) Notes which have been destroyed, lost or stolen and which
have been replaced or paid as provided in Section 306 and (ii) Notes for whose payment money has theretofore been deposited in
trust with the Trustee or any Paying Agent or segregated and held in trust by the Issuer and thereafter repaid to the Issuer or
discharged from such trust, as provided in Section 1003) have been delivered to the Trustee for cancellation; or

 

(B)              
all such Notes not theretofore delivered to the Trustee for cancellation,

 

 (i)              have become due and payable by reason
of the making of a notice of redemption pursuant to Section 1105 or otherwise, or

 

(ii)               will become due and payable at
their Stated Maturity within one year, or

 

(iii)               are to be called for redemption
within one year under arrangements satisfactory to the Trustee for the giving of notice of redemption by the Trustee in the name,
and at the expense, of the Issuer,

 

and the Issuer or any Guarantor, in the case of (i),
(ii) or (iii) above, has irrevocably deposited or caused to be deposited with the Trustee in trust solely for the benefit of the
Holders of the Notes, cash in U.S. dollars, U.S. dollar-denominated Government Securities, or a combination thereof, in such amounts
as will be sufficient without consideration of any reinvestment of interest to pay and discharge the entire indebtedness on such
Notes not theretofore delivered to the Trustee for cancellation, for principal, premium, if any, and accrued interest to the Stated
Maturity or Redemption Date, as the case may be;

 

(2)               
no Default or Event of Default (other than that resulting from borrowing funds to be applied to make such deposit and any
similar and simultaneous deposit relating to other Indebtedness and, in each case, the granting of Liens in connection therewith)
with respect to this Indenture or the Notes issued hereunder shall have occurred and be continuing on the date of such deposit
or shall occur as a result of such deposit and such deposit shall not result in a breach or violation of, or constitute a default
under the Senior Credit Facility or any other material agreement or instrument (other than this Indenture) to which the Issuer
or any Guarantor is a party or by which the Issuer or any Guarantor is bound (other than that resulting from borrowing funds to
be applied to make such deposit and any similar and simultaneous deposit relating to other Indebtedness and, in each case, the
granting of Liens in connection therewith);

 

(3)               
the Issuer has paid or caused to be paid all sums payable by it under this Indenture;

 

(4)               
the Issuer has delivered irrevocable instructions to the Trustee under this Indenture to apply the deposited money toward
the payment of such Notes at the Stated Maturity or the Redemption Date, as the case may be; and

 

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(5)               
the Issuer must deliver an Officer’s Certificate and an Opinion of Counsel to the Trustee stating that all conditions
precedent herein to the satisfaction and discharge of this Indenture have been satisfied.

 

Notwithstanding the satisfaction and discharge
of this Indenture, the obligations of the Issuer to the Trustee under Section 607, the obligations of the Issuer to any Authenticating
Agent under Section 612 and, if money or Government Securities shall have been deposited with the Trustee pursuant to subclause
(B) of clause (1) of this Section, the obligations of the Trustee under Section 402 and the last paragraph of Section 1003 shall
survive such satisfaction and discharge.

 

SECTION
402.           Application of Trust Money.
Subject to the provisions of the last paragraph of Section 1003, all money or U.S. dollar-denominated Government Securities deposited
with the Trustee pursuant to Section 401 shall be held in trust and applied by it, in accordance with the provisions of the Notes
and this Indenture, to the payment, either directly or through any Paying Agent (including the Issuer acting as its own Paying
Agent) of the principal (and premium, if any) and interest for whose payment such money or U.S. dollar-denominated Government Securities
has been deposited with the Trustee; but such money or U.S. dollar-denominated Government Securities need not be segregated from
other funds except to the extent required by law.

 

If the Trustee or Paying Agent is unable
to apply any money or U.S. dollar-denominated Government Securities in accordance with Section 401 by reason of any legal proceeding
or by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such
application, the Issuer’s and any Guarantor’s obligations under this Indenture and the Notes shall be revived and reinstated
as though no deposit had occurred pursuant to Section 401 until such time as the Trustee or Paying Agent is permitted to apply
all such money or U.S. dollar-denominated Government Securities in accordance with Section 401; provided that if the Issuer
has made any payment of principal of (and premium, if any) or interest on any Notes because of the reinstatement of its obligations,
the Issuer shall be subrogated to the rights of the Holders of such Notes to receive such payment from the money or U.S. dollar-denominated
Government Securities held by the Trustee or Paying Agent.

 

ARTICLE
Five

REMEDIES

 

SECTION
501.            Events of Default.
 “Event of Default,” wherever used herein, means any one of the following events (whatever the reason for such Event
of Default and whether it be voluntary or involuntary or be 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):

 

(1)               
default in payment when due and payable, upon redemption, acceleration or otherwise, of principal of, or premium, if any,
on the Notes issued under this Indenture;

 

(2)               
default for 30 days or more in the payment when due of interest on or with respect to the Notes issued under this Indenture;

 

(3)               
failure by the Issuer or any Restricted Subsidiary for 60 days after the receipt of written notice given by the Trustee
or the Holders of not less than 25% in principal amount of the Notes then outstanding (with a copy to the Trustee) to comply with
any of its obligations, covenants or agreements (other than a default referred to in clauses (1) and (2) above) contained in this
Indenture or the Notes;

 

(4)               
default under any mortgage, indenture or instrument under which there is issued or by which there is secured or evidenced
any Indebtedness for money borrowed by the Issuer or any Restricted Subsidiary or the payment of which is guaranteed by the Issuer
or any Restricted Subsidiary, other than Indebtedness owed to the Issuer or any Restricted Subsidiary, whether such Indebtedness
or guarantee now exists or is created after the issuance of the Notes, if both:

 

    -46-

     

    

 

(A)              
such default either results from the failure to pay any principal of such Indebtedness at its stated final maturity (after
giving effect to any applicable grace periods) or relates to an obligation other than the obligation to pay principal of any such
Indebtedness at its stated final maturity and results in the holder or holders of such Indebtedness causing such Indebtedness to
become due prior to its stated maturity, and

 

(B)              
the principal amount of such Indebtedness, together with the principal amount of any other such Indebtedness in default
for failure to pay principal at stated final maturity (after giving effect to any applicable grace periods), or the maturity of
which has been so accelerated, aggregate $75.0 million or more at any one time outstanding;

 

(5)               
failure by the Issuer or any Significant Subsidiary to pay final judgments aggregating in excess of $75.0 million (net of
amounts covered by insurance policies issued by reputable insurance companies), which final judgments remain unpaid, undischarged
and unstayed for a period of more than 60 days after such judgment becomes final, and in the event such judgment is covered by
insurance, an enforcement proceeding has been commenced by any creditor upon such judgment or decree which is not promptly stayed;

 

(6)               
any of the following events with respect to the Issuer or any Significant Subsidiary:

 

(A)              
the Issuer or any Significant Subsidiary pursuant to or within the meaning of any Bankruptcy Law:

 

(i)                 commences a voluntary case;

 

(ii)                consents to the entry of an order
for relief against it in an involuntary case;

 

(iii)               consents to the appointment of
a custodian of it or for any substantial part of its property;

 

(iv)               takes any comparable action under
any foreign laws relating to insolvency; or

 

(B)              
a court of competent jurisdiction enters an order or decree under any Bankruptcy Law that:

 

(i)                 is for relief against the Issuer or any
Significant Subsidiary in an involuntary case;

 

(ii)                appoints a custodian of the Issuer
or any Significant Subsidiary or for any substantial part of its property; or

 

(iii)               orders the winding up or liquidation
of the Issuer or any Significant Subsidiary; and

 

(iv)               the order or decree remains unstayed
and in effect for 60 days; or

 

(7)               
the Guarantee of any Guarantor that is a Significant Subsidiary shall for any reason cease to be in full force (except as
contemplated by the terms thereof or hereof) and effect or be declared null and void or any responsible officer of any Guarantor
that is a Significant Subsidiary denies that it has any further liability under its Guarantee or gives notice to such effect, other
than by reason of the termination of the related Indenture or the release of any such Guarantee in accordance with this Indenture.

 

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SECTION
502.           Acceleration of Maturity; Rescission and Annulment.

 

(a)                
If any Event of Default (other than an Event of Default specified in Section 501(6) above with respect to the Issuer) occurs
and is continuing under this Indenture, the Trustee or the Holders of at least 25% in principal amount of the Outstanding Notes
issued under this Indenture may declare the principal, premium, if any, interest and any other monetary obligations on all the
Outstanding Notes to be due and payable immediately, by a notice to the Issuer (and to the Trustee if given by Holders).

 

(b)               
Upon the effectiveness of a declaration under 502(a), such principal and interest will be due and payable immediately. Notwithstanding
the foregoing, in the case of an Event of Default arising under Section 501(6) with respect to the Issuer, all Outstanding Notes
will become due and payable without further action or notice. The Trustee may withhold from the Holders notice of any continuing
Default or Event of Default, except a Default or Event of Default relating to the payment of principal, premium, if any, or interest
if it determines that withholding notice is in the interest of the Holders. In addition, the Trustee shall have no obligation to
accelerate the Notes if the Trustee determines acceleration is not in the best interest of the Holders of the Notes.

 

(c)                
Any notice of Default, notice of acceleration or instruction to the Trustee to provide a notice of Default, notice of acceleration
or take any other action (a “Noteholder Direction”) provided by any one or more Holders (other than a Regulated
Bank) (each a “Directing Holder”) must be accompanied by a written representation from each such Holder delivered
to the Issuer and the Trustee that such Holder is not (or, in the case such Holder is the Depository or its nominee, that such
Holder is being instructed solely by beneficial owners that are not) Net Short (a “Position Representation”),
which representation, in the case of a Noteholder Direction relating to the delivery of a notice of Default shall be deemed a continuing
representation until the resulting Event of Default is cured or otherwise ceases to exist or the notes are accelerated. In addition,
each Directing Holder is deemed, at the time of providing a Noteholder Direction, to covenant to provide the Issuer with such other
information as the Issuer may reasonably request from time to time in order to verify the accuracy of such Holder’s Position
Representation within five (5) Business Days of request therefor (a “Verification Covenant”). In any case in
which the Holder is the Depository or its nominee, any Position Representation or Verification Covenant required hereunder shall
be provided by the beneficial owner of the notes in lieu of the Depository or its nominee.

 

(d)                If, following the delivery of a Noteholder Direction, but prior
to acceleration of the Outstanding Notes, the Issuer determines in good faith that there is a reasonable basis to believe a Directing
Holder was, at any relevant time, in breach of its Position Representation and provides to the Trustee an Officer’s Certificate
stating that the Issuer has initiated litigation in a court of competent jurisdiction seeking a determination that such Directing
Holder was, at such time, in breach of its Position Representation, and seeking to invalidate any Event of Default that resulted
from the applicable Noteholder Direction, the cure period with respect to such Default shall be automatically stayed and the cure
period with respect to such Event of Default shall be automatically reinstituted and any remedy stayed pending a final and non-appealable
determination of a court of competent jurisdiction on such matter. Until such time as the Trustee has received an Officer’s
Certificate certifying such final and non-appealable determination, the Trustee shall have no duty or obligation to act with respect
to such Noteholder Direction. If, following the delivery of a Noteholder Direction, but prior to acceleration of the Outstanding
Notes, the Issuer provides to the Trustee an Officer’s Certificate stating that a Directing Holder failed to satisfy its
Verification Covenant, the cure period with respect to such Default shall be automatically stayed and the cure period with respect
to any Event of Default that resulted from the applicable Noteholder Direction shall be automatically reinstituted and any remedy
stayed pending satisfaction of such Verification Covenant. Upon receipt of an Officer’s Certificate in accordance with this
Section, the Trustee shall have no duty or obligation to act with respect to such Noteholder Direction. Any breach of the Position
Representation shall result in such Holder’s participation in such Noteholder Direction being disregarded; and, if, without
the participation of such Holder, the percentage of Outstanding Notes held by the remaining Holders that provided such Noteholder
Direction would have been insufficient to validly provide such Noteholder Direction, such Noteholder Direction shall be void ab
initio, with the effect that such Event of Default shall be deemed never to have occurred, acceleration voided and the Trustee
shall be deemed not to have received such Noteholder Direction or any notice of such Default or Event of Default.

 

(e)                
Notwithstanding anything in the preceding Sections 502(c) and
(d) to the contrary, any Noteholder Direction delivered to the Trustee during the pendency of an Event of Default as the result
of a bankruptcy or similar proceeding shall not require compliance with the foregoing paragraphs. In addition, for the avoidance
of doubt, the preceding Sections 502(c) and (d) shall not apply to any Holder that is a Regulated Bank, and the Trustee shall have
no duty to verify or determine whether a Holder is a Regulated Bank.

 

    -48-

     

    

 

(f)                 
For the avoidance of doubt, the Trustee shall be entitled to
conclusively rely on any Noteholder Direction delivered to it in accordance with this Section 502, shall have no duty to inquire
as to or investigate the accuracy of any representation, including any Position Representation, enforce compliance with any Verification
Covenant, verify any statements in any Officer’s Certificate delivered to it, or otherwise make calculations, investigations
or determinations with respect to Derivative Instruments, Net Shorts, Long Derivative Instruments, Short Derivative Instruments
or otherwise. The Trustee shall have no liability to the Issuer, any Holder or any other Person in acting in good faith on a Noteholder
Direction or a direction provided by the Issuer in accordance with Section 5.02(d).

 

(g)               
At any time after a declaration of acceleration has been made and before a judgment or decree for payment of the money due
has been obtained by the Trustee as hereinafter provided in this Article, the Holders of a majority in aggregate principal amount
of the Outstanding Notes, by notice to the Trustee, may rescind and annul such declaration and its consequences, so long as such
rescission and annulment would not conflict with any judgment of a court of competent jurisdiction, if:

 

(1)               
the Issuer has paid or deposited with the Trustee a sum sufficient to pay:

 

(A)              
all overdue interest on all Outstanding Notes,

 

(B)              
all unpaid principal of (and premium, if any, on) any Outstanding Notes which has become due otherwise than by such declaration
of acceleration, and interest on such unpaid principal at the rate borne by the Notes,

 

(C)              
to the extent that payment of such interest is lawful, interest on overdue interest at the rate borne by the Notes, and

 

(D)              
all sums paid or advanced by the Trustee hereunder and the reasonable compensation, expenses, disbursements and advances
of the Trustee, its agents and counsel; and

 

(2)               
Events of Default, other than the non-payment of amounts of principal of (or premium, if any, on) or interest on Notes,
which have become due solely by such declaration of acceleration, have been cured or waived as provided in Section 513,

 

no such rescission shall affect any subsequent default or impair
any right consequent thereon.

 

(h)               
Notwithstanding the preceding paragraph, in the event of any Event of Default specified in Section 501(4) above, such Event
of Default and all consequences thereof (excluding any resulting payment default, other than as a result of acceleration of the
Notes) shall be annulled, waived and rescinded, automatically and without any action by the Trustee or the Holders, if within 20
days after such Event of Default arose,

 

(1)               
the Indebtedness or guarantee that is the basis for such Event of Default has been discharged, or

 

(2)               
the holders thereof have rescinded or waived the acceleration, notice or action (as the case may be) giving rise to such
Event of Default, or

 

(3)               
if the default that is the basis for such Event of Default has been cured.

 

SECTION
503.           Collection of Indebtedness and Suits for Enforcement by Trustee.
The Issuer covenants that if:

 

(1)               
default is made in the payment of any installment of interest on any Note when such interest becomes due and payable and
such default continues for a period of 30 days, or

 

(2)               
default is made in the payment of the principal of (or premium, if any, on) any Note at the Maturity thereof, the Issuer
will, upon demand of the Trustee, pay to the Trustee for the benefit of the Holders of such Notes, the whole amount then due and
payable on such Notes for principal (and premium, if any) and interest, and interest on any overdue principal (and premium, if
any) and, to the extent that payment of such interest shall be legally enforceable, upon any overdue installment of interest, at
the rate borne by the Notes, and, in addition thereto, such further amount as shall be sufficient to cover the costs and expenses
of collection, including the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel.

 

    -49-

     

    

 

If the Issuer fails to pay such amounts
forthwith upon such demand, the Trustee, in its own name as trustee of an express trust, may institute a judicial proceeding for
the collection of the sums so due and unpaid, may prosecute such proceeding to judgment or final decree and may enforce the same
against the Issuer, any Guarantor or any other obligor upon the Notes and collect the moneys adjudged or decreed to be payable
in the manner provided by law out of the property of the Issuer, any Guarantor or any other obligor upon the Notes, wherever situated.

 

If an Event of Default occurs and is continuing,
the Trustee may proceed to protect and enforce its rights and the rights of the Holders under this Indenture and the Guarantees
by such appropriate judicial proceedings as the Trustee shall deem necessary to protect and enforce any such rights, including
seeking recourse against any Guarantor, whether for the specific enforcement of any covenant or agreement in this Indenture or
in aid of the exercise of any power granted herein, or to enforce any other proper remedy, including seeking recourse against any
Guarantor.

 

SECTION
504.           Trustee May File Proofs of Claim.
In case of the pendency of any receivership, insolvency, liquidation, bankruptcy, reorganization, arrangement, adjustment, composition
or other judicial proceeding relative to the Issuer or any other obligor including any Guarantor, upon the Notes or the property
of the Issuer or of such other obligor or their creditors, the Trustee (irrespective of whether the principal of the Notes shall
then be due and payable as therein expressed or by declaration or otherwise and irrespective of whether the Trustee shall have
made any demand on the Issuer for the payment of overdue principal, premium, if any, or interest) shall be entitled and empowered,
by intervention in such proceeding or otherwise,

 

(1)               
to file and prove a claim for the whole amount of principal (and premium, if any) and interest owing and unpaid in respect
of the Notes and to file such other papers or documents as may be necessary or advisable in order to have the claims of the Trustee
(including any claim for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel)
and of the Holders allowed in such judicial proceeding, and

 

(2)               
to collect and receive any moneys or other property payable or deliverable on any such claims and to distribute the same;

 

and any custodian, receiver, assignee, trustee, liquidator,
sequestrator or similar official in any such judicial proceeding is hereby authorized by each Holder to make such payments to the
Trustee and, in the event that the Trustee shall consent to the making of such payments directly to the Holders, to pay the Trustee
any amount due it for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel,
and any other amounts due the Trustee under Section 607.

 

Nothing herein contained shall be deemed
to authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement,
adjustment or composition affecting the Notes or the rights of any Holder thereof, or to authorize the Trustee to vote in respect
of the claim of any Holder in any such proceeding. The Trustee may, on behalf of the Holders, vote for the election of a trustee
in bankruptcy or similar official and be a member of a creditors’ committee or other similar committee.

 

SECTION
505.           Trustee May Enforce Claims Without Possession of Notes.
All rights of action and claims under this Indenture or the Notes may be prosecuted and enforced by the Trustee without the possession
of any of the Notes or the production thereof in any proceeding relating thereto, and any such proceeding instituted by the Trustee
shall be brought in its own name and as trustee of an express trust, and any recovery of judgment shall, after provision for the
payment of the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel, be for the
ratable benefit of the Holders in respect of which such judgment has been recovered.

 

    -50-

     

    

 

SECTION
506.           Application of Money Collected.
Any money or property collected by the Trustee pursuant to this Article shall be applied in the following order, at the date or
dates fixed by the Trustee and, in case of the distribution of such money on account of principal (or premium, if any) or interest,
upon presentation of the Notes and the notation thereon of the payment if only partially paid and upon surrender thereof if fully
paid:

 

FIRST:
To the payment of all amounts due the Trustee and its Agents (including any predecessor Trustee) under Section 607;

 

SECOND:
To the payment of the amounts then due and unpaid for principal of (and premium, if any) and interest on the Notes in respect of
which or for the benefit of which such money has been collected, ratably, without preference or priority of any kind, according
to the amounts due and payable on such Notes for principal (and premium, if any) and interest, respectively; and

 

THIRD:
The balance, if any, to the Issuer or as a court of competent jurisdiction may direct in writing; provided that all sums
due and owing to the Holders and the Trustee have been paid in full as required by this Indenture.

 

The Trustee may fix a record date and payment
date for any payment to Holders of Notes pursuant to this Section 506.

 

SECTION
507.           Limitation on Suits.
Except to enforce the right to receive payment of principal, premium, if any, or interest when due, no Holder shall pursue any
remedy with respect to this Indenture or the Notes, unless:

 

(1)               
such Holder has previously given the Trustee notice that an Event of Default is continuing;

 

(2)               
Holders of at least 25% in principal amount of the Outstanding Notes have requested the Trustee to pursue the remedy;

 

(3)               
such Holders have provided the Trustee security or indemnity satisfactory to the Trustee against any loss, liability or
expense;

 

(4)               
the Trustee has not complied with such request within 60 days after the receipt thereof and the offer of security and/or
indemnity satisfactory to it against any loss, liability or expense; and

 

(5)               
Holders of a majority in principal amount of the Outstanding Notes have not given the Trustee a direction inconsistent with
such request within such 60-day period,

 

it being understood and intended that no one or more Holders
shall have any right in any manner whatever by virtue of, or by availing of, any provision of this Indenture or the Guarantees
to affect, disturb or prejudice the rights of any other Holders, or to obtain or to seek to obtain priority or preference over
any other Holders or to enforce any right under this Indenture or the Guarantees, except in the manner herein provided and for
the equal and ratable benefit of all the Holders (it being further understood that the Trustee does not have an affirmative duty
to ascertain whether or not such actions or forbearances are unduly prejudicial to such Holders).

 

SECTION
508.           Unconditional Right of Holders to Receive Principal, Premium and
Interest. Notwithstanding any other provision in
this Indenture, the Holder shall have the right, which is absolute and unconditional, to receive payment, as provided herein (including,
if applicable, Article Eleven) and in such Note of the principal of (and premium, if any) and (subject to Section 307) interest
on such Note on the respective Stated Maturities expressed in such Note (or, in the case of redemption, on the Redemption Date)
and to institute suit for the enforcement of any such payment on or after such respective dates, and such rights shall not be impaired
without the consent of such Holder.

 

    -51-

     

    

 

SECTION
509.           Restoration of Rights and Remedies.
If the Trustee or any Holder has instituted any proceeding to enforce any right or remedy under this Indenture or the Guarantees
and such proceeding has been discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such
Holder, then and in every such case, subject to any determination in such proceeding, the Issuer, any Guarantor, any other obligor
of the Notes, the Trustee and the Holders shall be restored severally and respectively to their former positions hereunder and
thereafter all rights and remedies of the Trustee and the Holders shall continue as though no such proceeding had been instituted.

 

SECTION
510.           Rights and Remedies Cumulative.
Except as otherwise provided with respect to the replacement or payment of mutilated, destroyed, lost or stolen Notes in the last
paragraph of Section 306, no right or remedy herein conferred upon or reserved to the Trustee or to the Holders is intended to
be exclusive of any other right or remedy, and every right and remedy shall, to the extent permitted by law, be cumulative and
in addition to every other right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise. The
assertion or employment of any right or remedy hereunder, or otherwise, shall not prevent the concurrent assertion or employment
of any other appropriate right or remedy.

 

SECTION
511.           Delay or Omission Not Waiver.
No delay or omission of the Trustee or of any Holder of any Note to exercise any right or remedy accruing upon any Event of Default
shall impair any such right or remedy or constitute a waiver of any such Event of Default or an acquiescence therein. Every right
and remedy given by this Article or by law to the Trustee or to the Holders may be exercised from time to time, and as often as
may be deemed expedient, by the Trustee or by the Holders, as the case may be.

 

SECTION
512.           Control by Holders.
The Holders of a majority in principal amount of the Outstanding Notes shall have the right to direct the time, method and place
of conducting any proceeding for any remedy available to the Trustee, or of exercising any trust or power conferred on the Trustee
with respect to the Notes; provided that:

 

(1)               
such direction shall not be in conflict with any rule of law or with this Indenture, and such Holders have complied with
Section 603(f),

 

(2)               
the Trustee may take any other action deemed proper by the Trustee which is not inconsistent with such direction, and

 

(3)               
the Trustee need not take any action which might involve it in personal liability or be unduly prejudicial to the Holders
not consenting (it being understood that the Trustee does not have an affirmative duty to ascertain whether or not such actions
or inactions are unduly prejudicial to such Holders).

 

SECTION
513.           Waiver of Past Defaults.
Subject to Sections 508 and 902, the Holders of not less than a majority in principal amount of the Outstanding Notes by written
notice to the Trustee may on behalf of the Holders of all such Notes waive any existing Default or Event of Default and its consequences
hereunder (except (1) a continuing Default or Event of Default in the payment of interest on, premium, if any, or the principal
of any such Note held by a non-consenting Holder, or (2) in respect of a covenant or provision hereof or in any Guarantee which
under Article Nine cannot be modified or amended without the consent of the Holder of each Outstanding Note affected which shall
require the consent of all Holder of the Notes) and rescind any acceleration and its consequences with respect to the Notes; provided
such rescission would not conflict with any judgment of a court of competent jurisdiction.

 

Upon any such waiver, such Default shall
cease to exist, and any Event of Default arising therefrom shall be deemed to have been cured, for every purpose of this Indenture,
but no such waiver shall extend to any subsequent or other Default or Event of Default or impair any right consequent thereon.

 

SECTION
514.           Waiver of Stay or Extension Laws.
Each of the Issuer, the Guarantors and any other obligor on the Notes covenants (to the extent that it may lawfully do so) that
it will not at any time insist upon, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay
or extension law wherever enacted, now or at any time hereafter in force, which may affect the covenants or the performance of
this Indenture; and each of the Issuer, the Guarantors and any other obligor on the Notes (to the extent that it may lawfully do
so) hereby expressly waives all benefit or advantage of any such law and covenants that it will not hinder, delay or impede the
execution of any power herein granted to the Trustee, but will suffer and permit the execution of every such power as though no
such law had been enacted.

 

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SECTION
515.           Undertaking for Costs.
In any suit for the enforcement of any right or remedy under this Indenture or in any suit against the Trustee for any action taken
or omitted by it as a Trustee, a court in its discretion may require the filing by any party litigant in the suit of an undertaking
to pay the costs of the suit, and the court in its discretion may assess reasonable costs, including reasonable attorney's fees
and expenses, against any party litigant in the suit, having due regard to the merits and good faith of the claims or defenses
made by the party litigant. This Section 515 does not apply to a suit by the Trustee, a suit by a Holder relating to right to payment
hereof, or a suit by Holders of more than 10% in principal amount of the then Outstanding Notes.

 

ARTICLE
Six

THE TRUSTEE

 

SECTION
601.           Duties of the Trustee.

 

(a)                
Except during the continuance of an Event of Default,

 

(1)               
the Trustee undertakes to perform such duties and only such duties as are specifically set forth in this Indenture, and
no implied covenants or obligations shall be read into this Indenture against the Trustee; and

 

(2)               
in the absence of bad faith on its part, the Trustee may conclusively rely, as to the truth of the statements and the correctness
of the opinions expressed therein, upon certificates or opinions furnished to the Trustee and conforming to the requirements of
this Indenture; but in the case of any such certificates or opinions specifically required by any provision hereof to be provided
to it, the Trustee shall be under a duty to examine the same to determine whether or not they conform to the requirements of this
Indenture, but not to verify the contents thereof.

 

(b)               
If an Event of Default has occurred and is continuing of which a Responsible Officer has actual knowledge or of which written
notice of such Event of Default shall have been given to a Responsible Officer by the Issuer, any other obligor of the Notes or
by Holders of at least 25% of the aggregate principal amount of the Notes, the Trustee shall exercise such of the rights and powers
vested in it by this Indenture, and use the same degree of care and skill in their exercise, as a prudent Person would exercise
or use under the circumstances in the conduct of such Person’s own affairs.

 

(c)                
No provision of this Indenture shall be construed to relieve the Trustee from liability for its own negligent action, its
own negligent failure to act, or its own willful misconduct, except that

 

(1)               
this paragraph (c) shall not be construed to limit the effect of paragraph (a) of this Section;

 

(2)               
the Trustee shall not be liable for any error of judgment made in good faith by a Responsible Officer, unless it shall be
proved in a court of competent jurisdiction that the Trustee was negligent in ascertaining the pertinent facts; and

 

(3)               
the Trustee shall not be liable with respect to any action taken or omitted to be taken by it in good faith in accordance
with the direction of the Holders of a majority in aggregate principal amount of the Outstanding Notes relating to the time, method
and place of conducting any proceeding for any remedy available to the Trustee, or exercising any trust or power conferred upon
the Trustee, under this Indenture;

 

    -53-

     

    

 

(d)               
Whether or not therein expressly so provided, every provision of this Indenture relating to the conduct or affecting the
liability of or affording protection to the Trustee shall be subject to the provisions of this Section 601 and to the provisions
of the TIA.

 

(e)                
No provision of this Indenture shall require the Trustee to expend or risk its own funds or otherwise incur any financial
liability in the performance of any of its duties hereunder, or in the exercise of any of its rights or powers vested in it by
this Indenture, if it shall have reasonable grounds for believing that repayment of such funds or adequate indemnity against such
risk or liability is not reasonably assured to it.

 

SECTION
602.           Notice of Defaults.
Within 90 days after the earlier of receipt from the Issuer of notice of the occurrence of any Default or Event of Default hereunder
or the date when such Default or Event of Default becomes known to the Trustee, the Trustee shall transmit, in the manner and to
the extent provided in TIA Section 313(c), notice of such Default or Event of Default hereunder known to the Trustee, unless such
Default or Event of Default shall have been cured or waived; provided that, except in the case of a Default or Event of
Default in the payment of the principal of (or premium, if any, on) or interest on any Note, the Trustee shall be protected in
withholding such notice if and so long as the Trustee in good faith determines that the withholding of such notice is in the best
interest of the Holders.

 

SECTION
603.           Certain Rights of Trustee.

 

(a)                
The Trustee may conclusively rely and shall be fully protected in acting or refraining from acting upon any resolution,
certificate, statement, instrument, opinion, report, notice, request, direction, consent, order, bond, debenture, note, other evidence
of indebtedness or other paper or document (whether in original or facsimile form) believed by it to be genuine and to have been
signed or presented by the proper party or parties.

 

(b)               
Any request or direction of the Issuer mentioned herein shall be sufficiently evidenced by an Issuer Request or Issuer Order
and any resolution of the Board of Directors may be sufficiently evidenced by a certified Board Resolution.

 

(c)                
Whenever in the administration of this Indenture the Trustee shall deem it desirable that a matter be proved or established
prior to taking, suffering or omitting any action hereunder, the Trustee (unless other evidence be herein specifically prescribed)
may, in the absence of bad faith on its part, request and conclusively rely upon an Officer’s Certificate or Opinion of Counsel.

 

(d)               
The Trustee shall not be charged with knowledge of any Default or Event of Default with respect to the Notes unless a written
notice of such Default or Event of Default shall have been given to a responsible officer of the Trustee by the Issuer or any Holder
of the Notes.

 

(e)                
The Trustee may consult with counsel of its own selection and the advice of such counsel or any Opinion of Counsel shall
be full and complete authorization and protection in respect of any action taken, suffered or omitted by it hereunder in good faith
and in accordance with the advice or opinion of such counsel or Opinion of Counsel.

 

(f)                 
The Trustee shall be under no obligation to exercise any of the rights or powers vested in it by this Indenture at the request
or direction of any of the Holders of the Notes pursuant to this Indenture, unless such Holders shall have offered to the Trustee
security and/or indemnity satisfactory to it against any loss, liability or expense.

 

(g)               
The Trustee shall not be bound to make any investigation into the facts or matters stated in any resolution, certificate,
statement, instrument, opinion, report, notice, request, direction, consent, order, bond, debenture, note, other evidence of indebtedness
or other paper or document, or inquire as to the performance by the Issuer or the Guarantors of any of their covenants in this
Indenture or inquire as to the performance by the Issuer or the Guarantors of any of their covenants in this Indenture, but the
Trustee, may make such further inquiry or investigation into such facts or matters, and, if the Trustee shall determine to make
such further inquiry or investigation, it shall be entitled to examine the books, records and premises of the Issuer, personally
or by agent or attorney at the expense of the Issuer and shall incur no liability of any kind by reason of such inquiry or investigation.

 

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(h)               
The Trustee may execute any of the trusts or powers hereunder or perform any duties hereunder either directly or by or through
agents or attorneys and the Trustee shall not be responsible for any misconduct or negligence on the part of any agent or attorney
appointed with due care by it hereunder.

 

(i)                 
The Trustee shall not be liable for any action taken, suffered or omitted by it in good faith and believed by it to be authorized
or within the discretion or rights or powers conferred upon it by this Indenture.

 

(j)                 
The rights, privileges, protections, immunities and benefits given to the Trustee, including its right to be indemnified,
are extended to, and shall be enforceable by, the Trustee in each of its capacities hereunder whether as an Agent or otherwise,
and each agent, custodian and other Person employed to act hereunder.

 

(k)               
The Trustee may request that the Issuer deliver an Incumbency Certificate substantially in the form of Exhibit B hereto
setting forth the names of individuals or titles of officers authorized at such time to take specified actions pursuant to this
Indenture, which Incumbency Certificate may be signed by any person authorized to sign an Officer’s Certificate, including
any person specified as so authorized in any such certificate previously delivered and not superseded.

 

(l)                 
The Trustee shall not be required to give any note, bond or surety in respect of the execution of the trusts and powers
under this Indenture.

 

(m)              
In no event shall the Trustee be responsible or liable for any failure or delay in the performance of its obligations hereunder
arising out of or caused by, directly or indirectly, forces beyond its reasonable control, including, without limitation, acts
of war or terrorism, civil or military disturbances, nuclear or natural catastrophes or acts of God, and interruptions, loss or
malfunction of utilities, third-party communications or computer (software and hardware) services; it being understood that the
Trustee shall use reasonable efforts which are consistent with accepted practices to resume performance as soon as practicable
under the circumstances.

 

(n)               
The permissive right of the Trustee to take actions permitted by this Indenture shall not be construed as an obligation
or duty to do so.

 

(o)               
In no event shall the Trustee be responsible or liable for special, punitive, indirect, or consequential loss or damage
of any kind whatsoever (including, but not limited to, loss of profit) irrespective of whether the Trustee has been advised of
the likelihood of such loss or damage and regardless of the form of action.

 

SECTION
604.           Trustee Not Responsible for Recitals or Issuance of Notes.
The recitals contained herein and in the Notes, except for the Trustee’s certificates of authentication, shall be taken as
the statements of the Issuer, and neither the Trustee nor any Agent assumes responsibility for their correctness. Neither the Trustee
nor any Agent makes representations as to the validity or sufficiency of this Indenture or of the Notes, except that the Trustee
represents that it is duly authorized to execute and deliver this Indenture, authenticate the Notes and perform its obligations
hereunder. Neither the Trustee nor any Agent shall be accountable for the use or application by the Issuer of Notes or the proceeds
thereof or the Offering Document or any other documents used in connection with the sale or distribution of the Notes.

 

SECTION
605.           May Hold Notes.
The Trustee, any Paying Agent, any Note Registrar or any other agent of the Issuer or of the Trustee, in its individual or any
other capacity, may become the owner or pledgee of Notes and, subject to TIA Sections 310(b) and 311, may otherwise deal with the
Issuer with the same rights it would have if it were not the Trustee, Paying Agent, Note Registrar or such other agent; provided,
that, if it acquires any “conflicting interest” (within the meaning of TIA Section 310(b)), it must eliminate such
conflict within 90 days, apply to the SEC for permission to continue or resign.

 

SECTION
606.           Money Held in Trust.
Money held by the Trustee in trust hereunder need not be segregated from other funds except to the extent required by law. The
Trustee shall be under no liability for interest on any money received by it hereunder except as otherwise agreed in writing with
the Issuer.

 

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SECTION
607.           Compensation and Reimbursement.
The Issuer and the Guarantors, jointly and severally, agree:

 

(1)               
to pay to the Trustee from time to time such compensation as shall be agreed in writing between the Issuer and the Trustee
for all services rendered by it hereunder (which compensation shall not be limited by any provision of law in regard to the compensation
of a trustee of an express trust);

 

(2)               
except as otherwise expressly provided herein, to reimburse the Trustee upon its request for all reasonable expenses, disbursements
and advances incurred or made by the Trustee in accordance with any provision of this Indenture (including the reasonable compensation
and the expenses and disbursements of its agents and counsel), except any such expense, disbursement or advance as shall be determined
to have been caused by its own negligence or willful misconduct; and

 

(3)               
to indemnify the Trustee and any predecessor Trustee for, and to hold it harmless against, any and all loss, liability,
claim, damage or expense, including taxes (other than the taxes based on the income of the Trustee) incurred without negligence
or willful misconduct on its part arising out of or in connection with the acceptance or administration of this trust, including
the reasonable costs and expenses of defending itself against any claim regardless of whether the claim is asserted by the Issuer,
a Guarantor, a Holder or any other Person or liability in connection with the exercise or performance of any of its powers or duties
hereunder, including the reasonable costs and expenses of enforcing this Indenture or a Guarantee against the Issuer or a Guarantor
(including this Section 607).

 

The Trustee shall notify the Issuer promptly
of any claim asserted against the Trustee or any of its agents for which it may seek indemnity. Failure to provide such notice
shall not relieve the Issuer of its obligations in this Section 607 unless the failure to notify the Issuer impairs the Issuer’s
ability to defend such claim. The Issuer may, at the request of the Trustee, defend the claim and the Trustee shall cooperate in
the defense; provided that the Trustee and its agents subject to the claim may have separate counsel and the Issuer shall
pay the reasonable fees and expenses of such counsel; provided however, that the Issuer shall not be required to pay such
fees and expenses if the Issuer assumes the Trustee’s defense and there is no conflict of interest between the Issuer and
the Trustee and its agents subject to the claim in connection with such defenses, as reasonably determined by the Trustee. The
Issuer need not pay for any settlement made without its written consent.

 

The obligations of the Issuer and the Guarantors
under this Section to compensate the Trustee, to pay or reimburse the Trustee for expenses, disbursements and advances and to indemnify
and hold harmless the Trustee shall constitute additional indebtedness hereunder and shall survive the satisfaction and discharge
of this Indenture and resignation or removal of the Trustee. As security for the performance of such obligations of the Issuer,
the Trustee shall have a claim prior to the Notes upon all property and funds held or collected by the Trustee as such, except
funds held in trust solely for the benefit of the Holders entitled thereto for the payment of principal of (and premium, if any)
or interest on particular Notes.

 

When the Trustee incurs expenses or renders
services in connection with an Event of Default specified in Section 501(6), the expenses (including the reasonable charges and
expenses of its counsel) of and the compensation for such services are intended to constitute expenses of administration under
any applicable Bankruptcy Law. “Trustee” for the purposes of this Section 607 shall include any predecessor Trustee
and the Trustee in each of its capacities hereunder and each agent, custodian and other person employed to act hereunder as permitted
by this Indenture; provided, however, that the negligence or willful misconduct of any predecessor Trustee hereunder
shall not affect the rights of any other successor Trustee hereunder (other than a successor Trustee that is successor by merger
or consolidation to such predecessor Trustee).

 

The provisions of this Section shall survive
the satisfaction and discharge of this Indenture and resignation or removal of the Trustee.

 

SECTION
608.           Corporate Trustee Required; Eligibility.
There shall be at all times a Trustee hereunder which shall be eligible to act as Trustee under TIA Section 310(a)(1) and shall
have a combined capital and surplus of at least $50,000,000. If such corporation publishes reports of condition at least annually,
pursuant to law or to the requirements of federal, State, territorial or District of Columbia supervising or examining authority,
then for the purposes of this Section, the combined capital and surplus of such corporation shall be deemed to be its combined
capital and surplus as set forth in its most recent report of condition so published. If at any time the Trustee shall cease to
be eligible in accordance with the provisions of this Section, it shall resign immediately in the manner and with the effect hereinafter
specified in this Article.

 

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SECTION
609.           Resignation and Removal; Appointment of Successor.

 

(a)                
No resignation or removal of the Trustee and no appointment of a successor Trustee pursuant to this Article shall become
effective until the acceptance of appointment by the successor Trustee in accordance with the applicable requirements of Section
610.

 

(b)               
The Trustee may resign at any time by giving written notice thereof to the Issuer. Upon receiving such notice of resignation,
the Issuer shall promptly appoint a successor trustee by written instrument, a copy of which shall be delivered to the resigning
Trustee and a copy to the successor Trustee. If the instrument of acceptance by a successor Trustee required by Section 610 shall
not have been delivered to the Trustee within 30 days after the giving of such notice of resignation, the resigning Trustee may
petition, at the expense of the Issuer, any court of competent jurisdiction for the appointment of a successor Trustee.

 

(c)                
The Trustee may be removed at any time by the Act of the Holders of not less than a majority in principal amount of the
Outstanding Notes, delivered to the Trustee and to the Issuer. If the instrument of acceptance by a successor Trustee required
by Section 610 shall not have been delivered to the Trustee within 30 days after the giving of such notice of resignation, the
resigning Trustee may petition, at the expense of the Issuer, any court of competent jurisdiction for the appointment of a successor
Trustee.

 

(d)               
The Trustee shall comply with TIA Section 310(b); provided that, there shall be excluded from the operation of TIA
Section 310(b)(1) any indenture or indentures under which other securities or certificates of interest or participation in other
securities of the Issuer are outstanding if the requirements for such exclusion set forth in TIA Section 310(b)(1) are met.

 

(e)                
The Trustee shall comply with TIA Section 311(a), excluding any creditor relationship listed in TIA Section 311(b). A Trustee
who has resigned or been removed shall be subject to TIA Section 311(a) to the extent indicated.

 

(f)                 
If the Trustee shall resign, be removed or become incapable of acting, or if a vacancy shall occur in the office of Trustee
for any cause, the Issuer shall promptly appoint a successor Trustee. If, within one year after such resignation, removal or incapability,
or the occurrence of such vacancy, a successor Trustee shall be appointed by the Act of the Holders of a majority in principal
amount of the Outstanding Notes delivered to the Issuer and the retiring Trustee, the successor Trustee so appointed shall, forthwith
upon its acceptance of such appointment, become the successor Trustee and supersede the successor Trustee appointed by the Issuer.
If no successor Trustee shall have been so appointed by the Issuer or the Holders and accepted appointment in the manner hereinafter
provided, any Holder who has been a bona fide Holder for at least six months may, on behalf of himself and all others similarly
situated, petition any court of competent jurisdiction for the appointment of a successor Trustee.

 

(g)               
The Issuer shall give notice of each resignation and each removal of the Trustee and each appointment of a successor Trustee
to the Holders in the manner provided for in Section 107. Each notice shall include the name of the successor Trustee and the address
of its Corporate Trust Office.

 

SECTION
610.           Acceptance of Appointment by Successor.

 

(a)                
Every successor Trustee appointed hereunder shall execute, acknowledge and deliver to the Issuer and to the retiring Trustee
an instrument accepting such appointment, and thereupon the resignation or removal of the retiring Trustee shall become effective
and such successor Trustee, without any further act, deed or conveyance, shall become vested with all the rights, powers, trusts
and duties of the retiring Trustee; but, on request of the Issuer or the successor Trustee, such retiring Trustee shall, upon payment
of its charges, execute and deliver an instrument transferring to such successor Trustee all the rights, powers and trusts of the
retiring Trustee and shall duly assign, transfer and deliver to such successor Trustee all property and money held by such retiring
Trustee hereunder. Upon request of any such successor Trustee, the Issuer shall execute any and all instruments for more fully
and certainly vesting in and confirming to such successor Trustee all such rights, powers and trusts.

 

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(b)               
No successor Trustee shall accept its appointment unless at the time of such acceptance such successor Trustee shall be
qualified and eligible under this Article.

 

SECTION
611.           Merger, Conversion, Consolidation or Succession to Business.
Any corporation into which the Trustee may be merged or converted or with which it may be consolidated, or any corporation resulting
from any merger, conversion or consolidation to which the Trustee shall be a party, or any corporation succeeding to all or substantially
all of the corporate trust business of the Trustee, shall be the successor of the Trustee hereunder; provided such corporation
shall be otherwise qualified and eligible under this Article, without the execution or filing of any paper or any further act on
the part of any of the parties hereto. In case any Notes shall have been authenticated, but not delivered, by the Trustee then
in office, any successor by merger, conversion or consolidation to such authenticating Trustee may adopt such authentication and
deliver the Notes so authenticated with the same effect as if such successor Trustee had itself authenticated such Notes. In case
at that time any of the Notes shall not have been authenticated, any successor Trustee may authenticate such Notes either in the
name of any predecessor hereunder or in the name of the successor Trustee. In all such cases such certificates shall have the full
force and effect which this Indenture provides for the certificate of authentication of the Trustee shall have; provided that,
the right to adopt the certificate of authentication of any predecessor Trustee or to authenticate Notes in the name of any predecessor
Trustee shall apply only to its successor or successors by merger, conversion or consolidation.

 

SECTION
612.           Appointment of Authenticating Agent.
At any time when any of the Notes remain Outstanding, the Trustee may appoint one or more agents (each an “Authenticating
Agent”) with respect to the Notes which shall be authorized to act on behalf of the Trustee to authenticate Notes and
the Trustee shall give written notice of such appointment to all Holders of Notes with respect to which such Authenticating Agent
will serve, in the manner provided for in Section 107. Notes so authenticated shall be entitled to the benefits of this Indenture
and shall be valid and obligatory for all purposes as if authenticated by the Trustee hereunder. Any such appointment shall be
evidenced by an instrument in writing signed by an authorized signatory of the Trustee, and a copy of such instrument shall be
promptly furnished to the Issuer. Wherever reference is made in this Indenture to the authentication and delivery of Notes by the
Trustee or the Trustee’s certificate of authentication, such reference shall be deemed to include authentication and delivery
on behalf of the Trustee by an Authenticating Agent and a certificate of authentication executed on behalf of the Trustee by an
Authenticating Agent. Each Authenticating Agent shall be acceptable to the Issuer.

 

Any corporation into which an Authenticating
Agent may be merged or converted or with which it may be consolidated, or any corporation resulting from any merger, conversion
or consolidation to which such Authenticating Agent shall be a party, or any corporation succeeding to all or substantially all
the corporate agency or corporate trust business of an Authenticating Agent, shall continue to be an Authenticating Agent; provided
such corporation shall be otherwise eligible under this Section, without the execution or filing of any paper or any further
act on the part of the Trustee or the Authenticating Agent.

 

An Authenticating Agent may resign at any
time by giving written notice thereof to the Trustee and to the Issuer. The Trustee may at any time terminate the agency of an
Authenticating Agent by giving written notice thereof to such Authenticating Agent and to the Issuer. Upon receiving such a notice
of resignation or upon such a termination, or in case at any time such Authenticating Agent shall cease to be eligible in accordance
with the provisions of this Section, the Trustee may appoint a successor Authenticating Agent which shall be acceptable to the
Issuer and shall give written notice of such appointment to all Holders of Notes, in the manner provided for in Section 107. Any
successor Authenticating Agent upon acceptance of its appointment hereunder shall become vested with all the rights, powers and
duties of its predecessor hereunder, with like effect as if originally named as an Authenticating Agent. No successor Authenticating
Agent shall be appointed unless eligible under the provisions of this Section.

 

The Issuer agrees to pay to each Authenticating
Agent from time to time such compensation for its services under this Section as shall be agreed in writing between the Issuer
and such Authenticating Agent.

 

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If an appointment is made pursuant to this
Section, the Notes may have endorsed thereon, in addition to the Trustee’s certificate of authentication, an alternate certificate
of authentication in the following form:

 

This is one of the Notes designated therein
referred to in the within-mentioned Indenture.

 

		U.S. BANK NATIONAL ASSOCIATION, as Trustee
	 	 	 
	Date:	 	By:	 
	 	 	as Authenticating Signatory

 

ARTICLE
Seven

HOLDERS LISTS AND REPORTS BY TRUSTEE AND ISSUER

 

SECTION
701.         Issuer to Furnish Trustee Names and Addresses.
The Issuer will furnish or cause to be furnished to the Trustee:

 

(1)               
semiannually, not more than 10 days after each Regular Record Date, a list, in such form as the Trustee may reasonably require,
of the names and addresses of the Holders as of such Regular Record Date; and

 

(2)               
at such other times as the Trustee may reasonably request in writing, within 30 days after receipt by the Issuer of any
such request, a list of similar form and content to that in clause (1) hereof as of a date not more than 15 days prior to the time
such list is furnished;

 

provided
that, if and so long as the Trustee shall be a Note Registrar, no such list need be furnished.

 

SECTION
702.           Reports by Trustee.
Within 60 days after December 31 of each year commencing with December 31, 2020, the Trustee shall transmit to the Holders of Notes
(with a copy to the Issuer at the address specified in Section 106), in the manner and to the extent provided in TIA Section 313(c),
a brief report dated as of such December 31 that complies with TIA Section 313(a). The Trustee also shall comply with TIA Section 313(b).
A copy of each such report shall, at the time of such transmission to Holders, be filed by the Trustee with each stock exchange,
if any, upon which the Notes are listed, with the Commission and with the Issuer. The Issuer will promptly notify the Trustee in
writing when the Notes are listed on any stock exchange and any delisting thereof.

 

ARTICLE
Eight

MERGER, CONSOLIDATION OR SALE

OF ALL OR SUBSTANTIALLY ALL ASSETS

 

SECTION
801.         Issuer May Consolidate, Etc., Only on Certain Terms.

 

(a)                
The Issuer will not consummate a Division as a Dividing Person, consolidate or merge with or into or dissolve (whether or
not the Issuer is the surviving corporation), or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially
all of its properties or assets, in one or more related transactions, to any Person unless:

 

(1)               
(x) the Issuer is the surviving Person or the Person formed by or surviving any such consolidation or merger (if other than
the Issuer) or to which such sale, assignment, transfer, lease, conveyance or other disposition will have been made is a Person
organized or existing under the laws of the United States, any state or territory thereof or the District of Columbia (such Person,
as the case may be, being herein called the “Successor Company” , or (y) in the case of a Division where the
Issuer is the Dividing Person, either all Division Successors shall become co-issuers of the Notes or the Division, as to any Division
Successor that will not be a co-issuer of the Notes, is permitted by Section 1010;

 

    -59-

     

    

 

(2)               
(x) the Successor Company, if other than the Issuer, expressly assumes all the obligations of the Issuer under this Indenture
and the Notes pursuant to a supplemental indenture or other documents or instruments in form reasonably satisfactory to the Trustee
or (y) in the case of a Division where the Issuer is the Dividing Person, any applicable Division Successor shall remain or become
a co-issuer of the Notes pursuant to, if necessary, a supplemental indenture or other documents or instruments in form reasonably
satisfactory to the Trustee;

 

(3)               
immediately after such transaction, no Default exists;

 

(4)               
immediately after giving pro forma effect to such transaction and any related financing transactions, as if such
transactions had occurred at the beginning of the Applicable Measurement Period,

 

(A)              
the Successor Company or the Division Successor(s) to the Issuer would be permitted to incur at least $1.00 of additional
Indebtedness pursuant to the Fixed Charge Coverage Ratio test set forth in Section 1011(a) or

 

(B)              
the Fixed Charge Coverage Ratio for the Successor Company or the Division Successor(s) to the Issuer and the Restricted
Subsidiaries would be equal to or greater than the Fixed Charge Coverage Ratio for the Issuer and the Restricted Subsidiaries immediately
prior to such transaction;

 

(5)               
each Guarantor, unless it is the other party to the transactions described above, in which case Section 802(1)(B) below
shall apply, shall have by supplemental indenture confirmed that its Guarantee shall apply to such Person’s obligations under
this Indenture and the Notes; and

 

(6)               
the Issuer shall have delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that
such consolidation, merger or transfer and such supplemental indentures, if any, comply with this Indenture.

 

(b)               
The Successor Company or the Division Successor(s) to the Issuer shall succeed to, and be substituted for, the Issuer under
this Indenture and the Notes and the Issuer will automatically be released and discharged from its obligations under this Indenture
and the Notes. Notwithstanding the foregoing clauses (3) and (4) of Section 801(a),

 

(1)               
any Restricted Subsidiary may consolidate with, merge into or sell, assign, transfer, lease, convey or otherwise dispose
(including pursuant to a Division) of all or part of its properties and assets to the Issuer or any Restricted Subsidiary; and

 

(2)               
the Issuer may merge with an Affiliate of the Issuer solely for the purpose of reincorporating the Issuer in any state of
the United States, the District of Columbia, or any territory thereof so long as the amount of Indebtedness of the Issuer and the
Restricted Subsidiaries is not increased thereby.

 

SECTION
802.           Guarantors May Consolidate, Etc., Only on Certain Terms.
Subject to Section 1208, no Guarantor shall, and the Issuer shall not permit any such Guarantor to, consummate a Division as the
Dividing Person (whether or not such Guarantor is the surviving Person) consolidate or merge with or into or dissolve (whether
or not such Guarantor is the surviving Person), or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially
all of its properties or assets, in one or more related transactions, to any Person unless:

 

(1)               
(A) such Guarantor (x) is the surviving Person or the Person formed by or surviving any such consolidation or merger (if
other than such Guarantor) or to which such sale, assignment, transfer, lease, conveyance or other disposition shall have been
made is a Person organized or existing under the laws of the United States, any state thereof, the District of Columbia or any
territory thereof (such Guarantor or such Person, as the case may be, being herein called the “Successor Person”),
or (y) in the case of a Division where such Guarantor is the Dividing Person, is the Division Successor or such Division is permitted
by Section 1017, as applicable;

 

    -60-

     

    

 

 

(B)the Successor Person or
the Division Successor(s), as applicable, if other than such Guarantor, expressly assumes all the obligations of such Guarantor
under this Indenture and such Guarantor’s related Guarantee pursuant to a supplemental indenture or other documents or instruments
in form reasonably satisfactory to the Trustee;

 

(C)immediately after such
transaction, no Default exists; and

 

(D)the Issuer shall have delivered
to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that such consolidation, merger or transfer
and such supplemental indentures, if any, comply with this Indenture; or

 

(2)               
the transaction is an Asset Sale that is made in compliance with Section 1017.

 

Subject to Section 1208, the Successor Person
or the Division Successor(s), as applicable, shall succeed to, and be substituted for, such Guarantor under this Indenture and
such Guarantor’s Guarantee and such Guarantor will automatically be released and discharged from its obligations under this
Indenture and such Guarantor’s Guarantee. Notwithstanding the foregoing, any Guarantor may (i) merge into or transfer all
or part of its properties and assets (including pursuant to a Division) to another Guarantor or the Issuer, (ii) merge with an
Affiliate of the Issuer solely for the purpose of reincorporating or reorganizing the Guarantor in the United States, any state
thereof, the District of Columbia or any territory thereof so long as the amount of Indebtedness of the Issuer and its Restricted
Subsidiaries is not increased thereby or (iii) convert into a Person organized or existing under the laws of a jurisdiction in
the United States.

 

SECTION
803.         Successor Substituted.
Upon any consolidation or merger, or any sale, assignment, conveyance, transfer, lease or disposition of all or substantially all
of the assets of the Issuer or any Guarantor in accordance with Sections 801 and 802 hereof, the successor Person formed by such
consolidation or into which the Issuer or such Guarantor, as the case may be, is merged or the successor Person to which such sale,
assignment, conveyance, transfer, lease or disposition is made, shall succeed to, and be substituted for, and may exercise every
right and power of, the Issuer or such Guarantor, as the case may be, under this Indenture or the Guarantees, as the case may be,
with the same effect as if such successor Person had been named as the Issuer or such Guarantor, as the case may be, herein or
the Guarantees, as the case may be. When a successor Person assumes all obligations of its predecessor hereunder, the Notes or
the Guarantees, as the case may be, such predecessor shall be released from all obligations; provided that in the event
of a transfer or lease, the predecessor shall not be released from the payment of principal and interest or other obligations on
the Notes or the Guarantees, as the case may be.

 

ARTICLE
Nine

SUPPLEMENTAL INDENTURES

 

SECTION
901.         Amendments or Supplements Without Consent of Holders.
Without the consent of any Holder, the Issuer, any Guarantor (with respect to any amendment relating to its Guarantee) and the
Trustee may amend or supplement this Indenture, the Notes and any related Guarantee, in form satisfactory to the Trustee, for any
of the following purposes:

 

(1)               
to cure any ambiguity, omission, mistake, defect or inconsistency;

 

(2)               
to provide for uncertificated Notes in addition to or in place of certificated Notes;

 

(3)               
to comply with Article Eight hereof;

 

(4)               
to provide for the assumption of the Issuer’s or any Guarantor’s obligations to Holders;

 

    -61-

     

    

 

(5)               
to make any change that would provide any additional rights or benefits to the Holders or that does not adversely affect
the legal rights under this Indenture of any such Holder;

 

(6)               
to secure the Notes or add covenants for the benefit of the Holders of Notes or to surrender any right or power conferred
upon the Issuer or any Guarantor;

 

(7)               
to evidence and provide for the acceptance and appointment under this Indenture of a successor Trustee pursuant to the requirements
of Sections 609 and 610 hereof;

 

(8)               
to provide for the issuance of Additional Notes, in accordance with this Indenture;

 

(9)               
to add a Guarantor or a parent guarantor under this Indenture, provided that only the Trustee and the Guarantor or
parent guarantor being added need to sign any such supplement or amendment;

 

(10)            
to conform the text of this Indenture, Guarantees or the Notes to any provision of the “Description of the Notes”
section of the Offering Document;

 

(11)            
to amend the provisions of this Indenture relating to the transfer and legending of Notes as permitted by this Indenture,
including, without limitation, to facilitate the issuance and administration of the Notes; provided that, (A) compliance
with this Indenture as so amended would not result in Notes being transferred in violation of the Securities Act or any applicable
securities law and (B) such amendment does not materially and adversely affect the rights of Holders to transfer Notes; or

 

(12)            
to comply with the rules of any applicable securities depositary.

 

SECTION
902.         Amendments, Supplements or Waivers with Consent of Holders.

 

(a)                
With the consent of the Holders of at least a majority in principal amount of the Outstanding Notes, by the Act of said
Holders delivered to the Issuer and the Trustee, the Issuer, any Guarantor (with respect to any Guarantee to which it is a party
or this Indenture) and the Trustee may amend or supplement this Indenture, any Guarantee or the Notes for the purpose of adding
any provisions hereto or thereto, changing in any manner or eliminating any of the provisions or of modifying in any manner the
rights of the Holders hereunder or thereunder (including consents obtained in connection with a purchase of, or tender offer the
Notes) and any existing Default or Event of Default or compliance with any provision of this Indenture or the Notes may be waived
with the consent of the Holders of not less than a majority in principal amount of the Outstanding Notes, including consents obtained
in connection with a purchase of or tender offer for Notes, other than Notes beneficially owned by the Issuer or its Affiliates;
provided that, without consent of the Holder of each Outstanding Note affected thereby, no such amendment, supplement or
waiver shall, with respect to any Notes held by a non-consenting Holder:

 

(1)               
reduce the principal amount of Notes whose Holders must consent to an amendment, supplement or waiver as confirmed in an
Officer’s Certificate to the Trustee,

 

(2)               
reduce the principal of or change the Maturity of any such Note or reduce the premium payable upon the redemption of any
Note or change the time at which any Note may be redeemed pursuant to Section 1101,

 

(3)               
reduce the rate of or change the time for payment of interest on any Note,

 

(4)               
waive a Default or Event of Default in the payment of principal of or premium, if any, or interest on the Notes issued under
this Indenture, except a rescission of acceleration of the Notes by the Holders of at least a majority in aggregate principal amount
of the Notes and a waiver of the payment default that resulted from such acceleration, or in respect of a covenant or provision
contained in this Indenture or any Guarantee which cannot be amended or modified without the consent of all Holders of the Notes,

 

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(5)               
make any Note payable in money other than that stated in the Notes,

 

(6)               
make any change in Section 513 or the rights of Holders of the Notes to receive payments of principal of or premium, if
any, or interest on the Notes,

 

(7)               
make any change in these amendment and waiver provisions,

 

(8)               
impair the right of any Holder to receive payment of principal of, or interest on such Holder’s Notes on or after
the due dates therefor or to institute suit for the enforcement of any payment on or with respect to such Holder’s Notes,
or

 

(9)               
make any change to or modify the ranking of any Note or related Guarantee that would adversely affect the Holders.

 

For purposes of determining whether any Holder
shall be disregarded for purposes of such consent, only Notes which a Responsible Officer of the Trustee actually knows to be beneficially
owned by the Issuer or its Affiliates shall be disregarded.

 

(b)               
It shall not be necessary for the consent of Holders under this Section 902 to approve the particular form of any proposed
amendment or waiver, and it shall be sufficient if such consent approves the substance thereof.

 

(c)                
[Reserved]

 

(d)               
Neither the Issuer nor any of its Restricted Subsidiaries may, directly or indirectly, pay or cause to be paid any consideration
to or for the benefit of any Holder for or as an inducement to any consent, waiver or amendment of any of the terms or provisions
of this Indenture or the Notes unless such consideration is offered to be paid and is paid to all Holders that are “qualified
institutional buyers” within the meaning of Rule 144A of the Securities Act, Non-U.S. Persons or IAI, in each case, who,
upon request, confirm that they are “qualified institutional buyers” Non-U.S. Persons or IAI and consent, waive or
agree to amend in the time frame set forth in solicitation documents relating to such consent, waiver or amendment.

 

SECTION
903.         Execution of Amendments, Supplements or Waivers.
In executing, or accepting the additional trusts created by, any amendment, supplement or waiver permitted by this Article or the
modifications thereby of the trusts created by this Indenture, the Trustee shall be provided with, and shall be fully protected
in relying upon, an Officer’s Certificate and (other than in the case of an amendment or supplement for the purpose of adding
a Guarantor or a parent guarantor under this Indenture in accordance with Section 901(9)) Opinion of Counsel stating that the execution
of such amendment, supplement or waiver is authorized and permitted by this Indenture, complies with the provisions hereof, and
is the legal, valid and binding obligation of the Issuer and Guarantor, enforceable against the Issuer and Guarantor in accordance
with its terms. Guarantors may, but shall not be required to, execute supplemental indentures that do not modify such Guarantor’s
Guarantee. The Trustee may, but shall not be obligated to, enter into any such amendment, supplement or waiver which affects the
Trustee’s own rights, duties or immunities under this Indenture or otherwise.

 

SECTION
904.         Effect of Amendments, Supplements or Waivers.
Upon the execution of any supplemental indenture under this Article, this Indenture shall be modified in accordance therewith,
and such amendment, supplement or waiver shall form a part of this Indenture for all purposes; and every Holder of Notes theretofore
or thereafter authenticated and delivered hereunder shall be bound thereby.

 

SECTION
905.         Compliance with Trust Indenture Act.
Every supplemental indenture executed pursuant to the Article shall comply with the requirements of the Trust Indenture Act as
then in effect.

 

SECTION
906.         Reference in Notes to Supplemental Indentures.
Notes authenticated and delivered after the execution of any supplemental indenture pursuant to this Article may, and shall if
required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in such supplemental indenture.
If the Issuer shall so determine, new Notes so modified as to conform, in the opinion of the Trustee and the Issuer, to any such
supplemental indenture may be prepared and executed by the Issuer and authenticated and delivered by the Trustee in exchange for
Outstanding Notes.

 

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SECTION
907.         Notice of Supplemental Indentures.
Promptly after the execution by the Issuer, any Guarantor and the Trustee of any supplemental indenture pursuant to the provisions
of Section 902, the Issuer shall give notice thereof to the Holders of each Outstanding Note affected, in the manner provided for
in Section 107, setting forth in general terms the substance of such supplemental indenture.

 

ARTICLE
Ten

COVENANTS

 

SECTION
1001.      Payment of Principal, Premium, if any, and Interest.
The Issuer covenants and agrees for the benefit of the Holders that it will duly and punctually pay the principal of (and premium
on, if any) the Notes in accordance with the terms of the Notes and this Indenture.

 

The Issuer shall pay interest on overdue
principal at the rate specified therefor in the Notes, and it shall pay interest on overdue installments of interest at the same
rate to the extent lawful.

 

SECTION
1002.      Maintenance of Office or Agency.
The Issuer will maintain in The City of New York, an office or agency where Notes may be presented or surrendered for payment,
where Notes may be surrendered for registration of transfer or exchange and where notices and demands to or upon the Issuer in
respect of the Notes and this Indenture may be served. The designated office of the Trustee shall be such office or agency of the
Issuer in The City of New York, unless the Issuer shall designate and maintain some other office or agency for one or more of such
purposes. The Issuer will give prompt written notice to the Trustee of any change in the location of such office or agency. If
at any time the Issuer shall fail to maintain any such required office or agency or shall fail to furnish the Trustee with the
address thereof, such presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office of the
Trustee, and the Issuer hereby appoints the Trustee as its agent to receive all such presentations, surrenders, notices and demands.

 

The Issuer may also from time to time designate
one or more other offices or agencies where the Notes may be presented or surrendered for any or all such purposes and may from
time to time rescind any such designation; provided, that no such designation or rescission shall in any manner relieve
the Issuer of its obligation to maintain an office or agency in The City of New York. The Issuer will give prompt written notice
to the Trustee of any such designation or rescission and any change in the location of any such other office or agency.

 

SECTION
1003.      Money for Notes Payments to Be Held in Trust.
If the Issuer shall at any time act as its own Paying Agent, it will, on or before each due date of the principal of (or premium,
if any) on any of the Notes, segregate and hold in trust for the benefit of the Persons entitled thereto a sum sufficient to pay
the principal of (or premium, if any) or interest so becoming due until such sums shall be paid to such Persons or otherwise disposed
of as herein provided and will promptly notify the Trustee of its action or failure so to act.

 

Whenever the Issuer shall have one or more
Paying Agents for the Notes, it will, on or before each due date of the principal of (or premium, if any) or interest on any Notes
in accordance with Section 1001, deposit with a Paying Agent a sum sufficient to pay the principal (and premium, if any) or interest
so becoming due, such sum to be held in trust for the benefit of the Persons entitled to such principal, premium or interest, and
(unless such Paying Agent is the Trustee) the Issuer will promptly notify the Trustee in writing of such action or any failure
so to act.

 

Each Paying Agent agrees:

 

(1)               
that it will hold all sums received by it as Paying Agent for the payment of the principal of or interest on any Notes in
trust for the benefit of the Holders or of the Trustee;

 

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(2)               
that it will give the Trustee notice of any failure by the Issuer to make any payment of the principal of or interest on
any Notes and any other payments to be made by or on behalf of the Issuer under this Indenture or the Notes when the same shall
be due and payable; and

 

(3)               
that it will pay any such sums so held in trust by it to the Trustee forthwith upon the Trustee’s written request
at any time during the continuance of the failure referred to in clause (2) above.

 

The Issuer may at any time, for the purpose
of obtaining the satisfaction and discharge of this Indenture or for any other purpose, pay, or by Issuer Order direct any Paying
Agent to pay, to the Trustee all sums held in trust by the Issuer or such Paying Agent, such sums to be held by the Trustee upon
the same trusts as those upon which such sums were held by the Issuer or such Paying Agent; and, upon such payment by any Paying
Agent to the Trustee, such Paying Agent shall be released from all further liability with respect to such sums.

 

Any money deposited with the Trustee or
any Paying Agent, or then held by the Issuer, in trust for the payment of the principal of (or premium, if any) or interest on
any Note and remaining unclaimed for two years after such principal, premium or interest has become due and payable shall be paid
to the Issuer on Issuer Request, or (if then held by the Issuer) shall be discharged from such trust; and the Holder of such Note
shall thereafter, as an unsecured general creditor, look only to the Issuer for payment thereof, and all liability of the Trustee
or such Paying Agent with respect to such trust money, and all liability of the Issuer as Trustee thereof, shall thereupon cease;
provided, that the Trustee or such Paying Agent, before being required to make any such repayment, may at the expense of
the Issuer cause to be published once, in a newspaper published in the English language, customarily published on each Business
Day and of general circulation in the Borough of Manhattan, The City of New York, notice that such money remains unclaimed and
that, after a date specified therein, which shall not be less than 30 days from the date of such publication, any unclaimed balance
of such money then remaining will be repaid to the Issuer.

 

SECTION
1004.      [Reserved].

 

SECTION
1005.      [Reserved].

 

SECTION
1006.      [Reserved].

 

SECTION
1007.      [Reserved].

 

SECTION
1008.      Statement by Officer as to Default.

 

(a)                
The Issuer will deliver to the Trustee within 120 days after the end of each fiscal year, an Officer’s Certificate
stating that a review of the activities of the Issuer and its Restricted Subsidiaries during the preceding fiscal year has been
made under the supervision of the signing officer with a view to determining whether it has kept, observed, performed and fulfilled,
and has caused each of its Restricted Subsidiaries to keep, observe, perform and fulfill its obligations under this Indenture and
further stating that, to the best of his or her knowledge, the Issuer during such preceding fiscal year has kept, observed, performed
and fulfilled, and has caused each of its Restricted Subsidiaries to keep, observe, perform and fulfill each and every such covenant
contained in this Indenture and no Default or Event of Default occurred during such year and at the date of such certificate there
is no Default or Event of Default which has occurred and is continuing or, if such signers do know of such Default or Event of
Default, the certificate shall describe its status, with particularity and that, to the best of his or her knowledge, no event
has occurred and remains by reason of which payments on the account of the principal of or interest, if any, on the Notes is prohibited
or if such event has occurred, a description of the event and what action each is taking or proposes to take with respect thereto.
The Officer’s Certificate shall also notify the Trustee should the Issuer elect to change the manner in which it fixes its
fiscal year end. For purposes of this Section 1008(a), such compliance shall be determined without regard to any period of grace
or requirement of notice under this Indenture.

 

(b)               
When any Default or Event of Default has occurred and is continuing under this Indenture, the Issuer shall deliver to the
Trustee an Officer’s Certificate specifying such event, notice or other action within ten Business Days of becoming aware
of such occurrence.

 

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SECTION
1009.      Reports and Other Information.

 

(a)                
Whether or not the Issuer is subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act, so long as
any Notes are outstanding, the Issuer will furnish to the Holder, within fifteen (15) Business Days after filing, or in the event
no such filing is required, within fifteen (15) Business Days after the end of the time periods specified in those sections and
any extension period granted under Section 12b-25 of the Exchange Act:

 

(1)               
(x) all annual and quarterly financial statements that would be required to be contained in a filing with the SEC on Forms
10-K and 10-Q (or any successor or comparable forms) of the Issuer, if the Issuer were required to file such forms, plus a “Management’s
Discussion and Analysis of Financial Condition and Results of Operations” section; and (y) with respect to the annual financial
statements only, a report on the annual financial statements by the Issuer’s independent registered public accounting firm;
and

 

(2)               
all information that would be required to be contained in filings with the SEC on Form 8-K under Items 1.01 (including furnishing
any material debt agreements that would be required to be described in such Form 8-K), 1.02, 1.03, 2.01, 2.05, 2.06, 4.01, 4.02,
5.01 and 5.02(b) and (c) (other than with respect to information otherwise required or contemplated by Item 402 of Regulation S-K)
as in effect on the Issue Date if the Issuer were required to file such reports; provided, however, that no such
current report shall be required to include as an exhibit, or to include a summary of the terms of, any employment or compensatory
arrangement agreement, plan or understanding between the Issuer (or any of its Subsidiaries) and any director, manager or executive
officer, of the Issuer (or any of its Subsidiaries).

 

The Issuer shall make available such information
and such reports (as well as the details regarding the conference call described below) to the Trustee under this Indenture, to
any Holder and, upon request, to any beneficial owner of the Notes, in each case, by (a) filing such reports with the SEC (and
such reports are publicly available) or (b) posting such reports on the Issuer’s website and issuing a press release in respect
thereof. The Issuer will hold a quarterly conference call for all Holders and securities analysts (to the extent providing analysis
of investment in the Notes) to discuss such financial information (including a customary Q&A session) no later than five (5)
Business Days after distribution of such financial information.

 

(b)               
The Issuer shall provide S&P and Moody’s (and their respective successors) with information on a periodic basis
as S&P or Moody’s, as the case may be, shall reasonably require in order to maintain public ratings of the Notes. To
the extent not satisfied by the foregoing, the Issuer shall also furnish to Holders, securities analysts (to the extent providing
analysis of investment in the Notes) and prospective investors in the Notes upon request the information required to be delivered
pursuant to Rule 144A(d)(4) under the Securities Act, so long as the Notes are not freely transferable under the Securities Act.

 

(c)                
If the Issuer has designated any of its Subsidiaries as an Unrestricted Subsidiary and if any such Unrestricted Subsidiary
or group of Unrestricted Subsidiaries, if taken together as one Subsidiary, would constitute a Significant Subsidiary of the Issuer,
then the annual and quarterly information required by clause (1) of the first paragraph of this covenant shall include a reasonably
detailed presentation, either on the face of the financial statements or in the footnotes thereto, of the financial condition and
results of operations of the Issuer and its Restricted Subsidiaries separate from the financial condition and results of operations
of such Unrestricted Subsidiaries.

 

(d)               
Notwithstanding the foregoing, the financial statements, information and other documents required to be provided as described
above, may be those of (i) the Issuer or (ii) any direct or indirect parent of the Issuer rather than those of the Issuer; provided
that the same is accompanied by consolidating information that explains in reasonable detail the differences between the information
relating to such parent, on the one hand, and the information relating to the Issuer and the Restricted Subsidiaries on a standalone
basis, on the other hand.

 

Delivery of reports, information and documents
to the Trustee is for informational purposes only and its receipt of such reports shall not constitute constructive notice of any
information contained therein or determinable from information contained therein, including our compliance with any of our covenants
under this Indenture or the Notes (as to which the Trustee is entitled to rely exclusively on Officer’s Certificates).

 

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The Trustee shall not be obligated to monitor
or confirm, on a continuing basis or otherwise, our compliance with the covenants or with respect to this Indenture or any reports
or other documents filed with the SEC under this Indenture.

 

SECTION
1010.      Limitation on Restricted Payments.

 

(a)                
The Issuer shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly:

 

(1)               
declare or pay any dividend or make any payment or distribution on account of the Issuer’s or any Restricted Subsidiary’s
Equity Interests, including any dividend or distribution payable in connection with any merger or consolidation, other than:

 

(A)              
dividends or distributions by the Issuer payable in Equity Interests (other than Disqualified Stock) of the Issuer or in
options, warrants or other rights to purchase such Equity Interests; or

 

(B)              
dividends or distributions by a Restricted Subsidiary so long as, in the case of any dividend or distribution payable on
or in respect of any class or series of securities issued by a Restricted Subsidiary other than a Wholly-Owned Subsidiary, the
Issuer or a Restricted Subsidiary receives at least its pro rata share of such dividend or distribution in accordance with its
Equity Interests in such class or series of securities;

 

(2)               
purchase, redeem, defease or otherwise acquire or retire for value any Equity Interests of the Issuer or any direct or indirect
parent company of the Issuer, including in connection with any merger or consolidation, in each case held by a Person other than
the Issuer or a Restricted Subsidiary;

 

(3)               
make any principal payment on, or redeem, repurchase, defease or otherwise acquire or retire for value in each case, prior
to any scheduled repayment, sinking fund payment or maturity, any Subordinated Indebtedness of the Issuer or any Restricted Subsidiary,
other than:

 

(A)              
Indebtedness permitted under clauses (7) and (8) of Section 1011(b); or

 

(B)              
the purchase, repurchase or other acquisition of Subordinated Indebtedness purchased in anticipation of satisfying a sinking
fund obligation, principal installment or final maturity, in each case due within one year of the date of purchase, repurchase
or acquisition; or

 

(4)               
make any Restricted Investment;

 

(all such payments and other actions set forth in clauses (1)
through (4) above (other than any exception thereto) being collectively referred to as “Restricted Payments”),
unless, at the time of such Restricted Payment:

 

(A)no Event of Default shall
have occurred and be continuing or would occur as a consequence thereof;

 

(B)immediately after giving
effect to such transaction on a pro forma basis, the Issuer could incur $1.00 of additional Indebtedness under Section 1011(a);
and

 

(C)such Restricted Payment,
together with the aggregate amount of all other Restricted Payments made by the Issuer and the Restricted Subsidiaries subsequent
to May 24, 2018 (including Restricted Payments permitted by clauses (1) and (6)(C) of Section 1010(b), but excluding all other
Restricted Payments permitted by Section 1010(b)), is less than the sum of (without duplication):

 

(1)       50%
of the Consolidated Net Income of the Issuer for the period (taken as one accounting period) from April 1, 2018 to the end of the
Issuer’s most recently ended fiscal quarter for which internal financial statements are available at the time of such Restricted
Payment, or, in the case such Consolidated Net Income for such period is a deficit, minus 100% of such deficit, plus

 

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(2)       100%
of the aggregate net cash proceeds and the Fair Market Value of marketable securities or other property received by the Issuer
subsequent to May 24, 2018 (other than net cash proceeds to the extent such net cash proceeds have been used to incur Indebtedness,
Disqualified Stock or preferred stock pursuant to Section 1011(b)(12)(A) from the issue or sale of:

 

(x)       Equity
Interests of the Issuer, including Retired Capital Stock (as defined below), but excluding cash proceeds and the Fair Market Value
of marketable securities or other property received from the sale of:

 

(A)       Equity
Interests to any employee, director, manager or consultant of the Issuer, any direct or indirect parent company of the Issuer and
the Issuer’s Subsidiaries subsequent to May 24, 2018 to the extent such amounts have been applied to Restricted Payments
made in accordance with Section 1010(b)(4) and

 

(B)       Designated
Preferred Stock

 

and to the extent such net cash proceeds are actually
contributed to the Issuer, Equity Interests of any direct or indirect parent company of the Issuer (excluding contributions of
the proceeds from the sale of Designated Preferred Stock of such companies or contributions to the extent such amounts have been
applied to Restricted Payments made in accordance with Section 1010(b)(4)); or

 

(y)       Indebtedness
of the Issuer or a Restricted Subsidiary that has been converted into or exchanged for such Equity Interests of the Issuer or any
direct or indirect parent company of the Issuer;

 

provided
that this clause (2) shall not include the proceeds from (a) Refunding Capital Stock (as defined below), (b) Equity
Interests (or Indebtedness that has been converted or exchanged for Equity Interests) of the Issuer sold to a Restricted Subsidiary
or the Issuer, as the case may be, (c) Disqualified Stock (or Indebtedness that has been converted or exchanged into Disqualified
Stock) or (d) Excluded Contributions, plus

 

(3)       100%
of the aggregate amount of cash and the Fair Market Value of marketable securities or other property contributed to the capital
of the Issuer or that becomes part of the capital of the Issuer or a Restricted Subsidiary through consolidation or merger subsequent
to May 24, 2018 (other than net cash proceeds to the extent such net cash proceeds (i) have been used to incur Indebtedness, Disqualified
Stock or preferred stock pursuant to Section 1011(b)(12)(A), (ii) are contributed by a Restricted Subsidiary or (iii) constitute
Excluded Contributions), plus

 

(4)       100%
of the aggregate amount received in cash and the Fair Market Value of marketable securities or other property received by means
of:

 

(A)       the
sale or other disposition (other than to the Issuer or a Restricted Subsidiary) of Restricted Investments made by the Issuer and
the Restricted Subsidiaries and repurchases and redemptions of such Restricted Investments from the Issuer and the Restricted Subsidiaries
and repayments of loans or advances, and releases of guarantees, which constitute Restricted Investments made by the Issuer or
its Restricted Subsidiaries, in each case, subsequent to May 24, 2018 or

 

(B)       the
sale (other than to the Issuer or a Restricted Subsidiary) of the stock of an Unrestricted Subsidiary or a distribution from an
Unrestricted Subsidiary (other than in each case to the extent the Investment in such Unrestricted Subsidiary was made by the Issuer
or a Restricted Subsidiary pursuant to clause (7) of Section 1010(b) or to the extent such Investment constituted a Permitted Investment)
or a dividend from an Unrestricted Subsidiary subsequent to May 24, 2018, plus

 

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(5)       in
the case of the redesignation of an Unrestricted Subsidiary as a Restricted Subsidiary subsequent to May 24, 2018, the Fair Market
Value of the Investment in such Unrestricted Subsidiary at the time of the redesignation of such Unrestricted Subsidiary as a Restricted
Subsidiary, other than to the extent the Investment in such Unrestricted Subsidiary was made by the Issuer or a Restricted Subsidiary
pursuant to clause (7) of Section 1010(b) or to the extent such Investment constituted a Permitted Investment; plus

 

(6)       $75.0
million.

 

(b)               
The foregoing provisions shall not prohibit:

 

(1)               
the payment of any dividend or distribution or the consummation of any irrevocable redemption within 60 days after the date
of declaration thereof or the giving of such irrevocable notice, as applicable, if at the date of declaration or the giving of
such notice such payment would have complied with the provisions of this Indenture;

 

(2)               
(A)the redemption, repurchase, retirement or other acquisition of any Equity Interests (“Retired Capital Stock”)
or Subordinated Indebtedness of the Issuer or any Restricted Subsidiary, or any Equity Interests of any direct or indirect parent
company of the Issuer, in exchange for, or out of the proceeds of a substantially concurrent sale (other than to a Restricted Subsidiary)
of, Equity Interests of the Issuer or any direct or indirect parent company of the Issuer to the extent contributed to the Issuer
(in each case, other than any Disqualified Stock) (“Refunding Capital Stock”) and

 

(B)       if
immediately prior to the retirement of Retired Capital Stock, the declaration and payment of dividends thereon was permitted under
clause (6)(A) or (B) of this Section 1010(b), the declaration and payment of dividends on the Refunding Capital Stock (other than
Refunding Capital Stock the proceeds of which were used to redeem, repurchase, retire or otherwise acquire any Equity Interests
of any direct or indirect parent company of the Issuer) in an aggregate amount per year no greater than the aggregate amount of
dividends per annum that was declarable and payable on such Retired Capital Stock immediately prior to such retirement;

 

(3)               
the prepayment, exchange, redemption, defeasance, repurchase or other acquisition or retirement for value of (i) Subordinated
Indebtedness of the Issuer or a Restricted Subsidiary made in exchange for, or out of the proceeds of a substantially concurrent
sale of, new Indebtedness of the Issuer, or a Restricted Subsidiary, or (ii) Disqualified Stock of the Issuer or a Restricted Subsidiary
made in exchange for, or out of the proceeds of a substantially concurrent sale of, Disqualified Stock of the Issuer or a Restricted
Subsidiary, that, in each case is incurred in compliance with Section 1011 so long as:

 

(A)              
the principal amount (or accreted value, if applicable) of such new Indebtedness or the liquidation preference of such new
Disqualified Stock does not exceed the principal amount of (or accreted value, if applicable), plus any accrued and unpaid
interest on, the Subordinated Indebtedness or the liquidation preference of, plus any accrued and unpaid dividends on, the
Disqualified Stock being so prepaid, exchanged, redeemed, defeased, repurchased, exchanged, acquired or retired for value, plus
the amount of any premium (including reasonable tender premiums), defeasance costs and any reasonable fees and expenses incurred
in connection with the issuance of such new Indebtedness or Disqualified Stock,

 

(B)              
such new Indebtedness is subordinated to the Notes or the applicable Guarantee at least to the same extent as such Subordinated
Indebtedness so prepaid, exchanged, redeemed, defeased, repurchased, acquired or retired for value,

 

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(C)              
such new Indebtedness or Disqualified Stock has a final scheduled maturity date, or mandatory redemption date, as applicable,
equal to or later than (x) the final scheduled maturity date, or mandatory redemption date, as applicable, of the Subordinated
Indebtedness or Disqualified Stock being so prepaid, exchanged, redeemed, defeased, repurchased, exchanged, acquired or retired
or (y) one year after the final stated maturity of the Notes, and

 

(D)              
such new Indebtedness or Disqualified Stock has a Weighted Average Life to Maturity equal to or greater than (x) the
remaining Weighted Average Life to Maturity of the Subordinated Indebtedness or Disqualified Stock being so redeemed, defeased,
repurchased, exchanged, acquired or retired or (y) one year after the final stated maturity of the Notes;

 

(4)               
the repurchase, retirement or other acquisition or retirement for value of Equity Interests (other than Disqualified Stock)
of the Issuer or any direct or indirect parent company of the Issuer held by any future, present or former employee, director,
manager or consultant of the Issuer, any of its Subsidiaries or any direct or indirect parent company of the Issuer or their estates
or the beneficiary of such estates, pursuant to any management equity plan or stock option plan or any other management or employee
benefit plan or agreement, or any stock subscription or shareholder agreement (including, for the avoidance of doubt, any principal
and interest payable on any notes issued by the Issuer or any direct or indirect parent company of the Issuer in connection with
such repurchase, retirement or other acquisition); provided, that the aggregate Restricted Payments made under this clause
(4) do not exceed in any calendar year $25.0 million (with unused amounts in any calendar year being carried over to succeeding
calendar years subject to a maximum (without giving effect to the following proviso) of $50.0 million in any calendar year); provided,
further, that such amount in any calendar year may be increased by an amount not to exceed:

 

(A)              
the cash proceeds from the sale of Equity Interests (other than Disqualified Stock) of the Issuer and, to the extent contributed
to the Issuer, the cash proceeds from the sale of Equity Interests of any direct or indirect parent company of the Issuer, in each
case to any future, present or former employees, directors, managers or consultants of the Issuer, any of its Subsidiaries or any
direct or indirect parent company of the Issuer that occurred subsequent to May 24, 2018, to the extent the cash proceeds from
the sale of such Equity Interests have not otherwise been applied to the payment of Restricted Payments by virtue of clause (C)
of Section 1010(a); plus

 

(B)              
the cash proceeds of key man life insurance policies received by the Issuer and the Restricted Subsidiaries subsequent to
May 24, 2018, less

 

(C)              
the amount of any Restricted Payments previously made pursuant to clauses (A) and (B) of this Section 1010(b)(4); provided
that the Issuer may elect to apply all or any portion of the aggregate increase contemplated by clauses (A) and (B) of this Section
1010(b)(4) in any calendar year;

 

and provided, further, that cancellation of
Indebtedness owing to the Issuer or any Restricted Subsidiary from any future, present or former employees, directors, managers
or consultants of the Issuer (or any permitted transferee thereof), any direct or indirect parent company of the Issuer or any
Restricted Subsidiary in connection with a repurchase of Equity Interests of the Issuer or any direct or indirect parent company
of the Issuer shall not be deemed to constitute a Restricted Payment for purposes of this covenant or any other provision of this
Indenture;

 

(5)               
the declaration and payment of dividends to holders of any class or series of Disqualified Stock of the Issuer or any Restricted
Subsidiary or any class or series of preferred stock of any Restricted Subsidiary, in each case, issued in accordance with the
covenant described under Section 1011 to the extent such dividends are included in the definition of Fixed Charges;

 

(6)               
(A) the declaration and payment of dividends to holders of any class or series of Designated Preferred Stock (other than
Disqualified Stock) issued by the Issuer after the Issue Date;

 

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(B)               the declaration and payment
of dividends to any direct or indirect parent company of the Issuer, the proceeds of which shall be used to fund the payment of
dividends to holders of any class or series of Designated Preferred Stock (other than Disqualified Stock) of such parent company
issued after the Issue Date; provided that the amount of dividends paid pursuant to this clause (B) shall not exceed the
aggregate amount of cash actually contributed to the Issuer from the sale of such Designated Preferred Stock, or

 

(C)               the declaration and payment
of dividends on Refunding Capital Stock in excess of the dividends declarable and payable thereon pursuant to Section 1010(b)(2);

 

provided
that, in the case of each of (A) and (C) of this clause (6), for the most recently ended four full fiscal quarters for
which internal financial statements are available immediately preceding the date of issuance of such Designated Preferred Stock
or the declaration of such dividends on Refunding Capital Stock, after giving effect to such issuance or declaration on a pro
forma basis, the Issuer and the Restricted Subsidiaries on a consolidated basis would have had a Fixed Charge Coverage Ratio
of at least 2.00 to 1.00;

 

(7)               
Investments in Unrestricted Subsidiaries having an aggregate Fair Market Value, taken together with all other Investments
made pursuant to this clause (7) that are at the time outstanding, without giving effect to the sale of an Unrestricted Subsidiary
to the extent the proceeds of such sale do not consist of cash, Cash Equivalents or marketable securities, not to exceed the greater
of (x) $100.0 million and (y) 25% of EBITDA for the Applicable Measurement Period at the time of such Investment (with the
Fair Market Value of each Investment being measured at the time made and without giving effect to subsequent changes in value);

 

(8)               
the purchase, repurchase, redemption, acquisition or retirement for value of any Equity Interest of the Issuer or any Restricted
Subsidiary deemed to occur upon (a) the exercise of warrants, stock options or similar rights if such Equity Interests represent
a portion of the exercise price thereof, (b) the withholding of Equity Interests in connection with an arrangement to satisfy withholding
or similar taxes required by the exercise of warrants, stock options or vesting or settlement of other awards or (c) the cancellation
of stock options, warrants or other equity awards;

 

(9)               
the declaration and payment of regular quarterly dividends (or dividend equivalents) on the Issuer’s common stock
or other Equity Interests or the repurchase, retirement, or other acquisition of Equity Interests in an aggregate not to exceed
$150.0 million in any fiscal year;

 

(10)            
Restricted Payments in an amount that does not exceed the amount of Excluded Contributions made since the Issue Date;

 

(11)            
other Restricted Payments in an aggregate amount taken together with all other Restricted Payments made pursuant to this
clause (11) not to exceed the greater of (x) $100.0 million and (y) 25% of EBITDA for the Applicable Measurement Period at the
time made;

 

(12)            
distributions or payments of Receivables Fees;

 

(13)            
any Restricted Payment made in connection with the Transactions and the fees and expenses related thereto or used to fund
amounts owed to Affiliates (including dividends to any direct or indirect parent company of the Issuer to permit payment by such
parent of such amount), to the extent permitted by Section 1013;

 

(14)            
the repurchase, redemption, defeasance or other acquisition or retirement for value of any Subordinated Indebtedness in
accordance with the provisions similar to those of Section 1016 and Section 1017; provided that all Notes tendered by Holders
of the Notes in connection with a Change of Control Offer or an Asset Sale Offer, as the case may be, have been repurchased, redeemed,
defeased or acquired or retired for value;

 

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(15)            
the declaration and payment of dividends by the Issuer to, or the making of loans to, any direct or indirect parent company
of the Issuer in amounts required for any direct or indirect parent company to pay:

 

(A)              
franchise and excise taxes and other fees and expenses required to maintain its organizational existence,

 

(B)              
foreign, federal, state and local income and similar taxes (including any interest or penalties related thereto), to the
extent such taxes are attributable to the income, revenue, receipts, capital or margin of the Issuer and the Restricted Subsidiaries
and, to the extent of the amount actually received from its Unrestricted Subsidiaries, in amounts required to pay such taxes to
the extent attributable to the income of such Unrestricted Subsidiaries; provided that in each case the amount of such payments
in any fiscal year does not exceed the amount that the Issuer, its Restricted Subsidiaries and its Unrestricted Subsidiaries (to
the extent described above) would be required to pay in respect of such foreign, federal, state and local income taxes for such
fiscal year had the Issuer, its Restricted Subsidiaries and its Unrestricted Subsidiaries (to the extent described above) been
a stand-alone taxpayer (separate from any such direct or indirect parent company of the Issuer) for all fiscal years ending after
the Issue Date,

 

(C)              
customary salary, bonus and other benefits payable to, and indemnities provided on behalf of, officers, employees, directors
and managers and consultants of any direct or indirect parent company of the Issuer to the extent such salaries, bonuses, benefits
and indemnities are attributable to the ownership or operation of the Issuer and the Restricted Subsidiaries, including the Issuer’s
proportionate share of such amount relating to such parent company being a public company,

 

(D)              
general corporate or other operating (including, without limitation, expenses related to auditing or other accounting matters)
and overhead costs and expenses of any direct or indirect parent company of the Issuer to the extent such costs and expenses are
attributable to the ownership or operation of the Issuer and the Restricted Subsidiaries, including the Issuer’s proportionate
share of such amount relating to such parent company being a public company,

 

(E)               
fees and expenses incurred by any direct or indirect parent company of the Issuer related to (i) the maintenance by such
parent entity of its corporate or other entity existence and (ii) transactions of such parent company of the Issuer of the type
described in clause (11) of the definition of “Consolidated Net Income,” and

 

(F)               
cash payments in lieu of issuing fractional shares in connection with the exercise of warrants, options or other securities
convertible into or exchangeable for Equity Interests of the Issuer or any such direct or indirect parent company of the Issuer;

 

(16)            
the repurchase, redemption or other acquisition for value of Equity Interests of the Issuer deemed to occur in connection
with, and the payment of, cash in lieu of fractional shares of such Equity Interests in connection with a share dividend, distribution,
share split, reverse share split, merger, consolidation, amalgamation or other business combination of the Issuer, in each case,
permitted under this Indenture;

 

(17)            
the distribution, by dividend or otherwise, of shares of Capital Stock of, or Indebtedness owed to the Issuer or a Restricted
Subsidiary by, Unrestricted Subsidiaries (other than Unrestricted Subsidiaries, the primary assets of which are cash and/or Cash
Equivalents);

 

(18)            
any Restricted Payment; provided that on a pro forma basis after giving effect to such Restricted Payment
(x) the Consolidated Total Debt Ratio would be equal to or less than 3.50 to 1.00 and (y) no Event of Default shall have occurred
and be continuing or would occur as a consequence thereof; and

 

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(19)            
payments or distributions to satisfy dissenters’ rights, pursuant to or in connection with a consolidation, merger
or transfer of assets that complies with Article Eight; provided that at the time of, and after giving effect to, any Restricted
Payment permitted under clauses (11) and (17) of this Section 1010(b), no Event of Default shall have occurred and be continuing
or would, with the passage of time, occur as a consequence thereof.

 

(c)                
As of the Issue Date, all of the Issuer’s Subsidiaries shall be Restricted Subsidiaries. The Issuer shall not permit
any Unrestricted Subsidiary to become a Restricted Subsidiary except pursuant to the last sentence of the definition of “Unrestricted
Subsidiary.” For purposes of designating any Restricted Subsidiary as an Unrestricted Subsidiary, all outstanding Investments
by the Issuer and the Restricted Subsidiaries (except to the extent repaid) in the Subsidiary so designated shall be deemed to
be Restricted Payments or Permitted Investments in an amount determined as set forth in the second to last sentence of the definition
of “Investments.” Such designation shall be permitted only if a Restricted Payment or Permitted Investment in such amount
would be permitted at such time, whether pursuant to Section 1010(a) or under clauses (7), (10) or (11) of Section 1010(b), or
pursuant to the definition of “Permitted Investments,” and if such Subsidiary otherwise meets the definition of an
Unrestricted Subsidiary. Unrestricted Subsidiaries shall not be subject to any of the restrictive covenants set forth in this Indenture.

 

(d)               
For purposes of determining compliance with this Section 1010, in the event that a proposed Restricted Payment or Investment
(or a portion thereof) meets the criteria of clauses (1) through (19) of Section 1010(b) or is entitled to be made pursuant to
Section 1010(a) and/or one or more of the exceptions contained in the definition of “Permitted Investments” in Section
102, the Issuer shall be entitled to classify or later reclassify (based on circumstances existing on the date of such reclassification)
such Restricted Payment or Investment (or portion thereof) among such clauses (1) through (19) of Section 1010(b), Section 1010(a)
and/or one or more of the exceptions contained in the definition of “Permitted Investments” in Section 102 in a manner
that otherwise complies with this Section 1010.

 

SECTION
1011.      Limitation on Incurrence of Indebtedness and Issuance of Disqualified Stock.

 

(a)                
The Issuer shall not, and shall not permit any Restricted Subsidiary to, directly or indirectly, create, incur, issue, assume,
guarantee or otherwise become directly or indirectly liable, contingently or otherwise (collectively, “incur”
and collectively, an “incurrence”) with respect to any Indebtedness (including Acquired Indebtedness) and the
Issuer shall not issue any shares of Disqualified Stock and shall not permit any Restricted Subsidiary to issue any shares of Disqualified
Stock or, in the case of Restricted Subsidiaries that are not the Issuer or Guarantors, preferred stock; provided that the
Issuer may incur Indebtedness (including Acquired Indebtedness) or issue shares of Disqualified Stock, and any Restricted Subsidiary
may incur Indebtedness (including Acquired Indebtedness), issue shares of Disqualified Stock and issue shares of preferred stock,
if, after giving effect thereto, the Fixed Charge Coverage Ratio of the Issuer and the Restricted Subsidiaries would be at least
2.00 to 1.00; provided, further, that the amount of Indebtedness (including Acquired Indebtedness), Disqualified
Stock and preferred stock that may be incurred pursuant to the foregoing, together with any amounts incurred under clause (14)(x)
of Section 1011(b) by Restricted Subsidiaries that are not Guarantors shall not exceed the greater of (x) $200.0 million and (y)
50% of EBITDA for the Applicable Measurement Period at any one time outstanding.

 

(b)               
The foregoing limitations shall not apply to:

 

(1)               
Indebtedness incurred pursuant to Credit Facilities by the Issuer or any Restricted Subsidiary; provided that immediately
after giving effect to any such incurrence, the then-outstanding aggregate principal amount of all Indebtedness incurred under
this clause (1) does not exceed at any one time (x) $1,500.0 million plus (y) an additional amount if, after giving pro
forma effect to the incurrence of such additional amount and the application of net proceeds therefrom, the Consolidated Secured
Debt Ratio is equal to or less than 3.00:1.00; provided, further, that, for purposes of determining the amount of
Indebtedness that may be incurred under clause (1)(y), all Indebtedness incurred under this clause (1) shall be treated as Secured
Indebtedness;

 

(2)               
Indebtedness represented by the Notes (including any Guarantee thereof, but excluding Indebtedness represented by Additional
Notes, if any, or guarantees with respect thereto);

 

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(3)               
Existing Indebtedness (other than Indebtedness incurred pursuant to clauses (1) and (2) above);

 

(4)               
Indebtedness (including Capitalized Lease Obligations), Disqualified Stock and preferred stock incurred by the Issuer or
any Restricted Subsidiary, to finance the purchase, lease, construction, development, installation or improvement of property (real
or personal), equipment or other fixed or capital assets that are used or useful in a Similar Business, whether through the direct
purchase of assets or the Capital Stock of any Person owning such assets and Indebtedness arising from the conversion of the obligations
of the Issuer or any Restricted Subsidiary under or pursuant to any “synthetic lease” transactions to on-balance sheet
Indebtedness of the Issuer or such Restricted Subsidiary, in an aggregate principal amount or liquidation preference which, when
aggregated with the principal amount of all other Indebtedness, Disqualified Stock and preferred stock then outstanding and incurred
pursuant to this clause (4), and all Refinancing Indebtedness incurred to Refinance any other Indebtedness, Disqualified Stock
and preferred stock incurred pursuant to this clause (4), does not exceed the greater of (x) $175.0 million and (y) 45% of EBITDA
for the Applicable Measurement Period at the time of incurrence; provided that such Indebtedness that exists at the date
of such purchase, lease, construction, installation or improvement or is created within 365 days of the completion thereof incurred
by the Issuer or any Restricted Subsidiary pursuant to this clause (4) in connection with a Sale and Lease-Back Transaction shall
not be subject to the foregoing limitation so long as the proceeds of such Sale and Lease-Back Transaction are used by the Issuer
or such Restricted Subsidiary to permanently repay outstanding Indebtedness of the Issuer and the Restricted Subsidiaries;

 

(5)               
Indebtedness incurred by the Issuer or any Restricted Subsidiary constituting reimbursement obligations with respect to
letters of credit, bankers’ acceptances, bank guarantees, warehouse receipts or similar facilities issued or entered into
in the ordinary course of business, including letters of credit in respect of workers’ compensation claims, performance,
surety, appeal or similar bonds, completion guarantees or supporting indemnity, bid, warranty, health, disability or other employee
benefits or property, casualty or liability insurance or self-insurance or other Indebtedness with respect to reimbursement type
obligations regarding workers’ compensation claims, performance or surety bonds, health, disability or other employee benefits
or property, casualty or liability insurance or self-insurance;

 

(6)               
Indebtedness arising from agreements of the Issuer or a Restricted Subsidiary providing for indemnification, adjustment
of purchase price, earn-out or similar obligations, in each case, incurred or assumed in connection with the disposition of any
business, assets or a Subsidiary, other than guarantees of Indebtedness incurred by any Person acquiring all or any portion of
such business, assets or a Subsidiary for the purpose of financing such acquisition; provided that such Indebtedness is
not reflected as Indebtedness on the balance sheet of the Issuer or any Restricted Subsidiary (contingent obligations referred
to in a footnote to financial statements and not otherwise reflected on the balance sheet will not be deemed to be reflected on
such balance sheet for purposes of this clause (6));

 

(7)               
Indebtedness of the Issuer to a Restricted Subsidiary; provided that any such Indebtedness owing to a Restricted
Subsidiary that is not a Guarantor is subordinated in right of payment to the Notes; provided, further, that any
subsequent issuance or transfer of any Capital Stock or any other event which results in any such Restricted Subsidiary ceasing
to be a Restricted Subsidiary or any other subsequent transfer of any such Indebtedness (except to the Issuer or another Restricted
Subsidiary) shall be deemed, in each case to be an incurrence of such Indebtedness not permitted by this clause (7);

 

(8)               
Indebtedness of a Restricted Subsidiary owing to the Issuer or another Restricted Subsidiary; provided that if a
Guarantor incurs such Indebtedness owing to a Restricted Subsidiary that is not the Issuer or a Guarantor, such Indebtedness is
subordinated in right of payment to the Guarantee of the Notes of such Guarantor; provided, further, that any subsequent
transfer of any such Indebtedness (except to the Issuer or another Restricted Subsidiary) shall be deemed to be an incurrence of
such Indebtedness not permitted by this clause (8);

 

(9)               
shares of preferred stock of a Restricted Subsidiary issued to the Issuer or another Restricted Subsidiary; provided
that any subsequent issuance or transfer of any Capital Stock or any other event which results in any such Restricted Subsidiary
ceasing to be a Restricted Subsidiary or any other subsequent transfer of any such shares of preferred stock (except to the Issuer
or another Restricted Subsidiary) shall be deemed in each case to be an issuance of such shares of preferred stock not permitted
by this clause (9);

 

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(10)            
Hedging Obligations (excluding Hedging Obligations entered into for speculative purposes);

 

(11)            
Indebtedness and obligations in respect of (x) self-insurance, performance, bid, appeal and surety bonds and completion
guarantees and similar obligations provided by the Issuer or any Restricted Subsidiary or obligations in respect of letters of
credit, bank guarantees or similar instruments related thereto, in each case, in the ordinary course of business and (y) deferred
compensation or other similar arrangements incurred by the Issuer or any of its Restricted Subsidiaries;

 

(12)            
(A) Indebtedness, Disqualified Stock and preferred stock of the Issuer or any Restricted Subsidiary in an aggregate principal
amount or liquidation preference up to 100% of the net cash proceeds received by the Issuer since immediately after the Issue Date
from the issue or sale of Equity Interests of the Issuer or cash contributed to the capital of the Issuer (in each case, other
than Excluded Contributions or proceeds of Disqualified Stock or sales of Equity Interests to the Issuer or any of its Subsidiaries)
as determined in accordance with clauses (C)(2) and (C)(3) of Section 1010(a) to the extent such net cash proceeds or cash have
not been applied pursuant to such clauses to make Restricted Payments or to make other Investments, payments or exchanges pursuant
to Section 1010(b) or to make Permitted Investments (other than Permitted Investments specified in clauses (1), (2) and (3) of
the definition thereof) and

 

(B)              
Indebtedness, Disqualified Stock or preferred stock of the Issuer or any Restricted Subsidiary not otherwise permitted hereunder
in an aggregate principal amount or liquidation preference, which when aggregated with the principal amount and liquidation preference
of all other Indebtedness, Disqualified Stock and preferred stock then outstanding and incurred pursuant to this clause (12)(B),
does not at any one time outstanding exceed the greater of (x) $200.0 million and (y) 50% of EBITDA for the Applicable Measurement
Period at the time of incurrence (it being understood that any Indebtedness, Disqualified Stock or preferred stock incurred pursuant
to this clause (12)(B) shall cease to be deemed incurred or outstanding for purposes of this clause (12)(B) but shall be deemed
incurred for the purposes of Section 1011(a) from and after the first date on which the Issuer or such Restricted Subsidiary could
have incurred such Indebtedness, Disqualified Stock or preferred stock under Section 1011(a) without reliance on this clause (12)(B));

 

(13)            
the incurrence or issuance by the Issuer or any Restricted Subsidiary of Indebtedness, Disqualified Stock or preferred stock
which serves to Refinance any Indebtedness, Disqualified Stock or preferred stock incurred as permitted under Section 1011(a) and
clauses (1), (2), (3) (4), 12(A), this clause (13) and clause (14) below or any Indebtedness, Disqualified Stock or preferred stock
issued to so Refinance such Indebtedness, Disqualified Stock or preferred stock (the “Refinancing Indebtedness”)
prior to its respective maturity; provided that such Refinancing Indebtedness:

 

(A)              
has a Weighted Average Life to Maturity at the time such Refinancing Indebtedness is incurred which is not less than (x) the
remaining Weighted Average Life to Maturity of the Indebtedness, Disqualified Stock or preferred stock being Refinanced or (y) one
year after the final stated maturity of the Notes;

 

(B)              
to the extent such Refinancing Indebtedness Refinances (i) Indebtedness subordinated to the Notes or any Guarantee of the
Notes, such Refinancing Indebtedness is subordinated to the Notes or such Guarantee at least to the same extent as the Indebtedness
being Refinanced or (ii) Disqualified Stock or preferred stock, such Refinancing Indebtedness must be Disqualified Stock or preferred
stock, respectively;

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(C)              
shall not include Indebtedness, Disqualified Stock or preferred stock of a Subsidiary of the Issuer that is not a Guarantor
that Refinances Indebtedness, Disqualified Stock or preferred stock of the Issuer or a Guarantor; and

 

(D)              
shall not include Indebtedness, Disqualified Stock or preferred stock of a Restricted Subsidiary that refinances Indebtedness,
Disqualified Stock or preferred stock of an Unrestricted Subsidiary;

 

and provided, further, that subclause (A) above
of this clause (13) shall not apply to any refunding or refinancing of any Secured Indebtedness outstanding;

 

(14)            
Indebtedness, Disqualified Stock or preferred stock of (x) the Issuer or a Restricted Subsidiary incurred or issued to finance
an acquisition or (y) Persons that are acquired by the Issuer or any Restricted Subsidiary or merged into or consolidated with
the Issuer or a Restricted Subsidiary in accordance with the terms of this Indenture (including designating an Unrestricted Subsidiary
a Restricted Subsidiary); provided that after giving effect to such acquisition, merger or consolidation, either:

 

(A)              
the Issuer would be permitted to incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio
test set forth in Section 1011(a), or

 

(B)              
the Fixed Charge Coverage Ratio of the Issuer and the Restricted Subsidiaries is equal to or greater than immediately prior
to such acquisition, merger or consolidation;

 

provided,
further, that the amount of Indebtedness, Disqualified Stock and preferred stock that may be incurred pursuant to this clause
(14), together with any amounts incurred under the first paragraph of this covenant by Restricted Subsidiaries that are not Guarantors
shall not exceed the greater of (x) $200.0 million and (y) 50% of EBITDA for the Applicable Measurement Period at any one time
outstanding;

 

(15)            
Indebtedness arising from the honoring by a bank or other financial institution of a check, draft or similar instrument
drawn against insufficient funds in the ordinary course of business;

 

(16)            
Indebtedness of the Issuer or any Restricted Subsidiary supported by a letter of credit issued pursuant to any Credit Facility,
in a principal amount not in excess of the stated amount of such letter of credit;

 

(17)            
(A)any guarantee by the Issuer or a Restricted Subsidiary of Indebtedness or other obligations of any Restricted Subsidiary
so long as, in the case of a guarantee by a Restricted Subsidiary that is not a Guarantor, such Indebtedness could have been incurred
directly by the Restricted Subsidiary providing such guarantee, or

 

(B)              
any guarantee by a Restricted Subsidiary of Indebtedness of the Issuer, provided that such guarantee is incurred
in accordance with Section 1015;

 

(18)            
Indebtedness of Restricted Subsidiaries that are not Guarantors at any one time outstanding not to exceed, in the aggregate,
the greater of (x) $150.0 million and (y) 40% of EBITDA for the Applicable Measurement Period at the time of incurrence (it being
understood that any Indebtedness incurred pursuant to this clause (18) shall cease to be deemed incurred or outstanding for purposes
of this clause (18) but shall be deemed incurred for the purposes of Section 1011(a) from and after the first date on which such
Restricted Subsidiary could have incurred such Indebtedness under Section 1011(a) without reliance on this clause (18));

 

(19)            
Indebtedness of the Issuer or any of its Restricted Subsidiaries consisting of (i) the financing of insurance premiums or
(ii) take or pay obligations contained in supply arrangements, in each case incurred in the ordinary course of business;

 

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(20)            
Indebtedness of the Issuer or any of its Restricted Subsidiaries undertaken in connection with cash management and related
activities with respect to any Subsidiary or joint venture in the ordinary course of business;

 

(21)            
Indebtedness consisting of Indebtedness issued by the Issuer or any of its Restricted Subsidiaries to future, current or
former officers, directors, managers and employees thereof, their respective estates, spouses or former spouses, in each case to
finance the purchase or redemption of Equity Interests of the Issuer or any direct or indirect parent company of the Issuer to
the extent described in Section 1010(b)(4);

 

(22)             Indebtedness
of the Issuer (and Guarantees thereof by any Guarantor) to the extent that the net proceeds thereof are promptly deposited to defease,
redeem or to satisfy and discharge the Notes or repurchase the Notes tendered in an offer made pursuant to the terms of this Indenture;

 

(23)             Indebtedness
(and any Refinancing of such Indebtedness) incurred by a Foreign Subsidiary which, when aggregated with the principal amount of
all other Indebtedness incurred pursuant to this clause (23) and then outstanding, does not exceed the greater of (x) $200.0 million
and (y) 50% of EBITDA for the Applicable Measurement Period;

 

(24)             Indebtedness
(and any Refinancing of such Indebtedness) incurred on behalf of, or representing Guarantees of Indebtedness of, joint ventures
not to exceed the greater of (x) $100.0 million and (y) 25% of EBITDA for the Applicable Measurement Period;

 

(25)             Indebtedness
in respect of matured or drawn Performance Guarantees, but only so long as such Indebtedness is reimbursed or extinguished within
five (5) Business Days of being matured or drawn; and

 

(26)             Indebtedness
in respect of matured or drawn Performance Guarantees, in each case that would appear as indebtedness on a consolidated balance
sheet of the Issuer prepared in accordance with GAAP, in an aggregate amount not to exceed $150.0 million at any time outstanding;

 

(c)                
For purposes of determining compliance with this Section 1011,

 

(1)               
in the event that an item of Indebtedness, Disqualified Stock or preferred stock (or any portion thereof) meets the criteria
of more than one of the categories of permitted Indebtedness, Disqualified Stock or preferred stock described in clauses (1) through
(26) of Section 1011(b) or is entitled to be incurred pursuant to Section 1011(a), the Issuer, in its sole discretion, may divide,
classify or reclassify such item of Indebtedness, Disqualified Stock or preferred stock (or any portion thereof) and shall only
be required to include the amount and type of such Indebtedness, Disqualified Stock or preferred stock in one of the above clauses
of this Section 1011(b); provided that all Indebtedness outstanding under the Senior Credit Facility on the Issue Date after
giving effect to the Transactions will, as long as such Indebtedness is outstanding, be treated as incurred on the Issue Date under
Section 1011(b)(1); and

 

(2)               
at the time of incurrence, the Issuer shall be entitled to divide and classify an item of Indebtedness in more than one
of the types of Indebtedness described in Sections 1011(a) and (b) above.

 

Accrual of interest or dividends, the accretion
of accreted value, the accretion or amortization of original issue discount and the payment of interest or dividends in the form
of additional Indebtedness, Disqualified Stock or preferred stock shall not be deemed to be an incurrence of Indebtedness, Disqualified
Stock or preferred stock for purposes of this Section 1011. Any Refinancing Indebtedness and any Indebtedness incurred to refinance
Indebtedness incurred pursuant to clauses (1) and (12) of Section 1011(b) above shall be permitted to include additional Indebtedness,
Disqualified Stock or preferred stock incurred to pay premiums (including reasonable tender premiums), defeasance costs, accrued
and unpaid interest, fees and expenses in connection with such Refinancing.

 

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For purposes of determining compliance with
any U.S. dollar-denominated restriction on the incurrence of Indebtedness, the U.S. dollar-equivalent principal amount of Indebtedness
denominated in another currency shall be calculated based on the relevant currency exchange rate in effect on the date such Indebtedness
was incurred, in the case of term debt, or first committed, in the case of revolving credit debt; provided that if such
Indebtedness is incurred to Refinance other Indebtedness denominated in another currency, and such Refinancing would cause the
applicable U.S. dollar-denominated restriction to be exceeded if calculated at the relevant currency exchange rate in effect on
the date of such Refinancing, such U.S. dollar-denominated restriction shall be deemed not to have been exceeded so long as the
principal amount of such Refinancing Indebtedness does not exceed (i) the principal amount of such Indebtedness being Refinanced
plus (ii) the aggregate amount of fees, underwriting discounts, premiums and other costs and expenses incurred in connection with
such Refinancing.

 

(d)               
This Indenture shall not treat (1) unsecured Indebtedness as subordinated or junior to Secured Indebtedness merely because
it is unsecured or (2) Senior Indebtedness as subordinated or junior to any other Senior Indebtedness merely because it has a junior
priority with respect to the same collateral.

 

SECTION
1012.      Liens.
The Issuer shall not, and shall not permit any Guarantor to, directly or indirectly, create, incur, assume or suffer to exist any
Lien (except Permitted Liens) that secures obligations under any Indebtedness or any related Guarantee on any asset or property
of the Issuer or any Guarantor, or any income or profits therefrom, or assign or convey any right to receive income therefrom,
unless the Notes (or the related Guarantee in the case of Liens of a Guarantor) are equally and ratably secured with (or, in the
event the Lien relates to Subordinated Indebtedness, are secured on a senior basis to) the obligations so secured. Any Lien created
for the benefit of the Holders of the Notes pursuant to this Section 1012 will provide by its terms that such Lien shall be automatically
and unconditionally released and discharged upon the release and discharge of the Lien that gave rise to the obligation to secure
the Notes.

 

SECTION
1013.      Limitations on Transactions with Affiliates.

 

(a)                
The Issuer shall not, and shall not permit any Restricted Subsidiary to, make any payment to, or sell, lease, transfer or
otherwise dispose of any of its properties or assets to, or purchase any property or assets from, or enter into or make or amend
any transaction, contract, agreement, understanding, loan, advance or guarantee with, or for the benefit of, any Affiliate of the
Issuer (each of the foregoing, an “Affiliate Transaction”) involving aggregate payments or consideration in
excess of $25.0 million, unless:

 

(1)               
such Affiliate Transaction is on terms that are not materially less favorable to the Issuer or the relevant Restricted Subsidiary
than those that would have been obtained in a comparable transaction by the Issuer or such Restricted Subsidiary with an unrelated
Person on an arm’s-length basis; and

 

(2)               
the Issuer delivers to the Trustee with respect to any Affiliate Transaction or series of related Affiliate Transactions
involving aggregate payments or consideration in excess of $50.0 million, a resolution adopted by the majority of the Board of
Directors of the Issuer approving such Affiliate Transaction and set forth in an Officer’s Certificate certifying that such
Affiliate Transaction complies with clause (1) above.

 

(b)               
The foregoing provisions shall not apply to the following:

 

(1)               
(i) transactions between or among the Issuer and/or any of its Restricted Subsidiaries or any entity that becomes a Restricted
Subsidiary as a result of such transaction and (ii) any merger or consolidation of the Issuer or any direct or indirect parent
of the Issuer; provided that such parent company shall have no material liabilities and no material assets other than cash,
Cash Equivalents and the Capital Stock of the Issuer and such merger or consolidation is otherwise in compliance with the terms
of this Indenture;

 

(2)               
Permitted Investments and Restricted Payments permitted by Section 1010;

 

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(3)               
transactions pursuant to compensatory, benefit and incentive plans and similar agreements with officers, directors, managers
or employees of the Issuer or any of its Restricted Subsidiaries;

 

(4)               
the payment of reasonable and customary fees and compensation paid to, and indemnities and reimbursements and employment
and severance arrangements provided on behalf of, or for the benefit of, former, current or future officers, directors, managers,
employees or consultants of the Issuer, any direct or indirect parent company of the Issuer or any Restricted Subsidiary;

 

(5)               
transactions in which the Issuer or any Restricted Subsidiary, as the case may be, delivers to the Trustee a letter from
an Independent Financial Advisor stating that such transaction is fair to the Issuer or such Restricted Subsidiary from a financial
point of view or stating that the terms are not materially less favorable to the Issuer or its relevant Restricted Subsidiary than
those that would have been obtained in a comparable transaction by the Issuer or such Restricted Subsidiary with an unrelated Person
on an arm’s-length basis;

 

(6)               
any agreement or arrangement in effect as of the Issue Date, or any amendment, modification, or supplement thereto or replacement
thereof (so long as any such amendment, modification, supplement or replacement is not disadvantageous in any material respect
to the Holders when taken as a whole as compared to the applicable agreement as in effect on the Issue Date) or any transaction
or payments contemplated thereby;

 

(7)               
the existence of, or the performance by the Issuer or any Restricted Subsidiary of its obligations under the terms of, any
stockholders agreement or the equivalent (including any registration rights agreement or purchase agreement related thereto) to
which it is a party as of the Issue Date and any similar agreements which it may enter into thereafter; provided that the
existence of, or the performance by the Issuer or any Restricted Subsidiary of, obligations under any future amendment to any such
existing agreement or under any similar agreement entered into after the Issue Date shall only be permitted by this clause (7)
to the extent that the terms of any such amendment or new agreement are not otherwise disadvantageous to the Holders in any material
respect when taken as a whole;

 

(8)               
the Transactions and the payment of all fees and expenses related to the Transactions, in each case, as contemplated in
the Offering Document;

 

(9)               
transactions with customers, clients, suppliers, joint venture partners or purchasers or sellers of goods or services, in
each case in the ordinary course of business and otherwise in compliance with the terms of this Indenture which are fair to the
Issuer and its Restricted Subsidiaries, in the reasonable determination of the Board of Directors of the Issuer or the senior management
thereof, or are on terms at least as favorable as might reasonably have been obtained at such time from an unaffiliated party;

 

(10)            
the issuance or transfer of Equity Interests (other than Disqualified Stock) of the Issuer and the granting and performance
of customary registration rights;

 

(11)            
sales of accounts receivable, or participations therein, in connection with any Receivables Facility;

 

(12)            
payments, loans, advances or guarantees (or cancellation of loans, advances or guarantees) to future, current or former
employees, officers, directors, managers or consultants of the Issuer, any direct or indirect parent company of the Issuer or any
Restricted Subsidiary and employment agreements, stock option plans and other similar arrangements with such employees, directors,
manager or consultants which, in each case, are approved by the Issuer in good faith;

 

(13)            
any transaction in which the only consideration paid by the Issuer or any Restricted Subsidiary consists of Equity Interests
(other than Disqualified Stock) of the Issuer;

 

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(14)            
payments to any future, current or former employee, director, manager, officer, manager or consultant of the Issuer, any
of its Subsidiaries or any direct or indirect parent company of the Issuer pursuant to any management equity plan or stock option
plan or any other management or employee benefit plan or agreement or any stock subscription or shareholder agreement; and any
employment or severance agreements, stock option plans, severance plans and other compensatory arrangements (and any successor
plans thereto) and any supplemental executive retirement benefit plans or arrangements with any such employees, directors, officers,
managers or consultants that are, in each case, approved by the Issuer in good faith;

 

(15)            
any transaction with a Person (other than an Unrestricted Subsidiary) which would constitute an Affiliate Transaction solely
because the Issuer or a Restricted Subsidiary owns an Equity Interest in or otherwise controls such Person;

 

(16)            
payments by the Issuer (and any direct or indirect parent company of the Issuer) and its Subsidiaries pursuant to tax sharing
agreements among the Issuer (and any direct or indirect parent company of the Issuer) and its Subsidiaries; provided that
in each case the amount of such payments in any fiscal year does not exceed the amount that the Issuer, its Restricted Subsidiaries
and its Unrestricted Subsidiaries (to the extent of the amount received from Unrestricted Subsidiaries) would be required to pay
in respect of foreign, federal, state and local taxes for such fiscal year were the Issuer, its Restricted Subsidiaries and its
Unrestricted Subsidiaries (to the extent described above) to pay such taxes separately from any such direct or indirect parent
company of the Issuer;

 

(17)            
any lease entered into between the Issuer or any Restricted Subsidiary and any Affiliate of the Issuer in the ordinary course
of business;

 

(18)            
intellectual property licenses in the ordinary course of business;

 

(19)            
transactions between the Issuer or any of its Restricted Subsidiaries and any Person that would constitute an Affiliate
Transaction solely because a director of which is also a director of the Issuer or any other direct or indirect parent of the Issuer;
provided, however, that such director abstains from voting as a director of the Issuer or such direct or indirect parent
of the Issuer, as the case may be, on any matter involving such other Person;

 

(20)            
pledges of Equity Interests of Unrestricted Subsidiaries;

 

(21)            
transactions with joint ventures for the purchase or sale of goods, equipment and services entered into in the ordinary
course of business; and

 

(22)            
any merger, consolidation or reorganization of the Issuer or Restricted Subsidiary with an Affiliate of the Issuer or Restricted
Subsidiary solely for the purpose of reincorporating the Issuer or Restricted Subsidiary in a new jurisdiction.

 

SECTION
1014.      Limitations on Dividend and Other Payment Restrictions Affecting Restricted Subsidiaries.
The Issuer shall not, and shall not permit any of its Restricted Subsidiaries that are not Guarantors to, directly or indirectly,
create or otherwise cause or suffer to exist or become effective any consensual encumbrance or consensual restriction on the ability
of any such Restricted Subsidiary to:

 

(a)(1) pay dividends or make
any other distributions to the Issuer or any Restricted Subsidiary on its Capital Stock or with respect to any other interest or
participation in, or measured by, its profits, or (2) pay any Indebtedness owed to the Issuer or any Restricted Subsidiary;

 

(b)make loans or advances
to the Issuer or any Restricted Subsidiary; or

 

(c)sell, lease or transfer
any of its properties or assets to the Issuer or any Restricted Subsidiary, except (in each case) for such encumbrances or restrictions
existing under or by reason of:

 

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(1)contractual encumbrances
or restrictions in effect on the Issue Date, including, pursuant to the Senior Credit Facility and the related documentation and
related Hedging Obligations;

 

(2)this Indenture, the Notes
and the Guarantees;

 

(3)purchase money obligations
for property acquired in the ordinary course of business and Capitalized Lease Obligations that impose restrictions of the nature
discussed in clause (c) above on the property so acquired;

 

(4)applicable law or any applicable
rule, regulation or order;

 

(5)any agreement or other instrument
of a Person acquired by or merged or consolidated with or into the Issuer or any Restricted Subsidiary, or of an Unrestricted Subsidiary
that is designated a Restricted Subsidiary, or that is assumed in connection with the acquisition of assets from such Person, in
each case that is in existence at the time of such transaction (but not created in contemplation thereof), which encumbrance or
restriction is not applicable to any Person, or the properties or assets of any Person, other than the Person and its Subsidiaries,
or the property or assets of the Person and its Subsidiaries, so acquired or designated;

 

(6)contracts for the sale of
assets, including customary restrictions with respect to a Subsidiary of the Issuer pursuant to an agreement that has been entered
into for the sale or disposition of all or substantially all of the Capital Stock or assets of such Subsidiary;

 

(7)Secured Indebtedness otherwise
permitted to be incurred pursuant to Sections 1011 and 1012 that limit the right of the debtor to dispose of the assets securing
such Indebtedness;

 

(8)restrictions on cash or other
deposits or net worth imposed by customers under contracts entered into in the ordinary course of business;

 

(9)other Indebtedness, Disqualified
Stock or preferred stock of Restricted Subsidiaries permitted to be incurred subsequent to the Issue Date pursuant to Section 1011;

 

(10)customary provisions in
joint venture agreements or arrangements and other similar agreements or arrangements relating solely to such joint venture and
asset sale agreements and Sale and Lease-Back Transaction agreements;

 

(11)customary provisions contained
in leases, sub-leases, licenses, sub-licenses or similar agreements, in each case, entered into in the ordinary course of business;

 

(12)restrictions created in
connection with any Receivables Facility that, in the good faith determination of the Board of Directors of the Issuer, are necessary
or advisable to effect such Receivables Facility;

 

(13)restrictions or conditions
contained in any trading, netting, operating, construction, service supply, purchase, sale or other agreement to which the Issuer
or any of its Restricted Subsidiaries is a party entered into in the ordinary course of business; provided that such agreement
prohibits the encumbrance of solely the property or assets of the Issuer or such Restricted Subsidiary that are the subject of
such agreement, the payment rights arising thereunder or the proceeds thereof and does not extend to any other asset or property
of the Issuer or such Restricted Subsidiary or the assets or property of any other Restricted Subsidiary; and

 

(14)any encumbrances or restrictions
of the type referred to in clauses (a), (b) and (c) above imposed by any amendments, modifications, restatements, renewals, increases,
supplements, refundings, replacements or refinancings of the contracts, instruments or obligations referred to in clauses (1) through
(13) above; provided that such amendments, modifications, restatements, renewals, increases, supplements, refundings, replacements
or refinancings are, in the good faith judgment of the Issuer’s Board of Directors, no more restrictive in any material respect
with respect to such encumbrance and other restrictions taken as a whole than those prior to such amendment, modification, restatement,
renewal, increase, supplement, refunding, replacement or refinancing.

 

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(d)For purposes of determining
compliance with the covenants set forth in this Section 1014: (i) the priority of any preferred stock in receiving dividends or
liquidating distributions prior to dividends or liquidating distributions being paid on common stock shall not be deemed a restriction
on the ability to make distributions on Capital Stock and (ii) the subordination of loans or advances made to the Issuer or a Restricted
Subsidiary of the Issuer to other Indebtedness incurred by the Issuer or any such Restricted Subsidiary shall not be deemed a restriction
on the ability to make loans or advances.

 

SECTION
1015.      Limitation on Guarantees of Indebtedness by Restricted Subsidiaries.
The Issuer shall not permit any of its Wholly-Owned Subsidiaries that are Restricted Subsidiaries (and non-Wholly-Owned Subsidiaries
if such non-Wholly-Owned Subsidiaries guarantee other capital markets debt securities of the Issuer or a Guarantor or the Issuers
or a Guarantor’s obligations under the Senior Credit Facility), other than a Guarantor, a Foreign Subsidiary or a Receivables
Subsidiary, to guarantee the payment of any Indebtedness of the Issuer or any Guarantor (other than Indebtedness payable to the
Issuer or a Restricted Subsidiary) unless:

 

(1)               
such Restricted Subsidiary within 30 days executes and delivers a supplemental indenture to this Indenture providing for
a Guarantee by such Restricted Subsidiary the form of which is attached as Exhibit A hereto; provided that, if such Indebtedness
is by its express terms subordinated in right of payment to the Notes or such Guarantor’s Guarantee of the Notes, any such
guarantee of such Restricted Subsidiary with respect to such Indebtedness shall be subordinated in right of payment to such Restricted
Subsidiary’s Guarantee with respect to the Notes substantially to the same extent as such Indebtedness is subordinated to
the Notes; and

 

(2)               
such Restricted Subsidiary waives and shall not in any manner whatsoever claim or take the benefit or advantage of, any
rights of reimbursement, indemnity or subrogation or any other rights against the Issuer or any other Restricted Subsidiary as
a result of any payment by such Restricted Subsidiary under its Guarantee;

 

provided
that this Section 1015 shall not be applicable to any guarantee of any Restricted Subsidiary that existed at the time
such Person became a Restricted Subsidiary and was not incurred in connection with, or in contemplation of, such Person becoming
a Restricted Subsidiary.

 

SECTION
1016.      Change of Control.

 

(a)                
If a Change of Control occurs after the Issue Date, unless the Issuer has, prior to or concurrently with the time the Issuer
is required to make a Change of Control Offer (as defined below), delivered electronically or mailed a redemption notice with respect
to all the Outstanding Notes pursuant to Section 401 and Section 1105, the Issuer shall make an offer to purchase all of the Notes
pursuant to the offer described below (the “Change of Control Offer”) at a price in cash (the “Change
of Control Payment”) equal to 101% of the aggregate principal amount thereof plus accrued and unpaid interest,
if any, to, but excluding the date of purchase, subject to the right of Holders of record on the relevant record date to receive
interest due on the relevant Interest Payment Date. No later than 30 days following any Change of Control, the Issuer shall send
notice of such Change of Control Offer by first class mail or overnight mail or electronic delivery, with a copy to the Trustee
sent in the same manner, to each Holder to the address of such Holder appearing in the security register or otherwise in accordance
with the procedures of the Depository, with the following information:

 

(1)               
that a Change of Control Offer is being made pursuant to this Section 1016 and that all Notes properly tendered pursuant
to such Change of Control Offer shall be accepted for payment by the Issuer;

 

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(2)               
the purchase price and the purchase date, which shall be no earlier than 15 days nor later than 60 days from the date such
notice is mailed (the “Change of Control Payment Date”);

 

(3)               
that any Note not properly tendered shall remain outstanding and continue to accrue interest;

 

(4)               
that, unless the Issuer defaults in the payment of the Change of Control Payment, all Notes accepted for payment pursuant
to the Change of Control Offer shall cease to accrue interest on the Change of Control Payment Date;

 

(5)               
that Holders electing to have any Notes purchased pursuant to a Change of Control Offer shall be required to surrender such
Notes, with the form entitled “Option of Holder to Elect Purchase” on the reverse of such Notes completed, to the Paying
Agent specified in the notice at the address specified in the notice prior to the close of business on the (third) 3rd Business
Day preceding the Change of Control Payment Date;

 

(6)               
that Holders shall be entitled to withdraw their tendered Notes and their election to require the Issuer to purchase such
Notes; provided that the Paying Agent receives, not later than the expiration time of the Change of Control Offer, electronic
transmission (in PDF), facsimile transmission or letter (sent in the same manner provided in the Change of Control Offer) setting
forth the name of the Holder of the Notes, the principal amount of Notes tendered for purchase, and a statement that such Holder
is withdrawing its tendered Notes and its election to have such Notes purchased;

 

(7)               
that if the Issuer is purchasing less than all of the Notes held by any Holder, the Holder will be issued new Notes and
such new Notes will be equal in principal amount to the unpurchased portion of the Notes surrendered. The unpurchased portion of
the Notes must be equal to $2,000 or an integral multiple of $1,000 in excess thereof;

 

(8)               
if such notice is delivered prior to the occurrence of a Change of Control, stating that the Change of Control Offer is
conditional on the occurrence of such Change of Control and if applicable, shall state that, in the Issuer’s discretion,
the Change of Control Payment Date may be delayed until such time as the Change of Control shall occur, or that such redemption
may not occur and such notice may be rescinded in the event that the Issuer shall determine that such condition will not be satisfied
by the Change of Control Payment Date, or by the Change of Control Payment as so delayed; and

 

(9)               
the other instructions, as determined by us, consistent with this Section 1016, that a Holder must follow.

 

(b)               
While the Notes are in global form and the Issuer makes an offer to purchase all of the Notes pursuant to the Change of
Control Offer, a Holder may exercise its option to elect for the purchase of the Notes through the facilities of the Depository,
subject to its rules and regulations.

 

(c)                
the Issuer shall comply with the requirements of Rule 14e-1 under the Exchange Act and any other securities laws and regulations
thereunder to the extent such laws or regulations are applicable in connection with the repurchase of the Notes pursuant to a Change
of Control Offer. To the extent that the provisions of any securities laws or regulations conflict with the provisions of this
Indenture, the Issuer shall comply with the applicable securities laws and regulations and shall not be deemed to have breached
its obligations described in this Indenture by virtue thereof.

 

(d)               
On the Change of Control Payment Date, the Issuer shall, to the extent permitted by law,

 

(1)               
accept for payment all Notes issued by it or portions thereof properly tendered pursuant to the Change of Control Offer,

 

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(2)               
unless deposited before the Change of Control Payment Date, deposit with the Paying Agent an amount equal to the aggregate
Change of Control Payment in respect of all Notes or portions thereof so tendered, and

 

(3)               
deliver, or cause to be delivered, to the Trustee for cancellation the Notes so accepted together with an Officer’s
Certificate stating that all Notes or portions thereof have been tendered to and purchased by the Issuer.

 

(e)                
In the event that the Issuer makes a Change of Control Payment, the Paying Agent shall promptly deliver or mail to each
Holder of the Notes the Change of Control Payment received by the Paying Agent for such Notes, and upon receipt of written direction
from the Issuer, the Trustee shall promptly authenticate a new Note equal in principal amount to any unpurchased portion of the
Notes surrendered, if any; provided that each such new Note shall be in a principal amount of $2,000 or an integral multiple
of $1,000 in excess thereof. The Issuer shall publicly announce the results of the Change of Control Offer on or as soon as practicable
after the Change of Control Payment Date.

 

(f)                 
The Issuer shall not be required to make a Change of Control Offer following a Change of Control if (i) a third party makes
the Change of Control Offer in the manner, at the times and otherwise in compliance with the requirements set forth in this Indenture
applicable to a Change of Control Offer made by the Issuer and purchases all such Notes validly tendered and not withdrawn under
such Change of Control Offer or (ii) a notice of redemption has been given pursuant to Section 1105. Notwithstanding anything to
the contrary herein, a Change of Control Offer may be made in advance of a Change of Control, conditional upon such Change of Control,
if a definitive agreement is in place for the Change of Control at the time of the making of such Change of Control Offer.

 

(g)               
If Holders of not less than 90% in aggregate principal amount of the outstanding Notes validly tender and do not withdraw
such Notes in a Change of Control Offer and the Issuer, or any third party making a Change of Control Offer in lieu of the Issuer
as described above, purchases all of the Notes validly tendered and not withdrawn by such Holders, the Issuer or such third party
will have the right, upon not less than 15 days nor more than 60 days’ prior notice, provided that such notice is
given not more than 30 days following such purchase pursuant to the Change of Control Offer described above, to redeem all Notes
that remain outstanding following such purchase on a specified date (the “Second Change of Control Payment Date”)
at a price in cash equal to the applicable Change of Control Payment in respect of the Second Change of Control Payment Date.

 

(h)               
The provisions of this Section 1016, including the definition of “Change of Control,” may be waived or modified
with the written consent of the Holders of a majority in principal amount of the Notes.

 

SECTION
1017.      Asset Sales.

 

(a)                
The Issuer shall not, and shall not permit any Restricted Subsidiary to consummate, directly or indirectly, an Asset Sale,
unless:

 

(1)               
the Issuer or such Restricted Subsidiary, as the case may be, receives consideration at the time of such Asset Sale at least
equal to the Fair Market Value (as determined at the time of contractually agreeing to such Asset Sale) of the assets sold or otherwise
disposed of; and

 

(2)               
except in the case of a Permitted Asset Swap, at least 75% of the consideration from such Asset Sale and all other Asset
Sales since May 24, 2018, on a cumulative basis received by the Issuer or such Restricted Subsidiary, as the case may be, is in
the form of cash or Cash Equivalents; provided that the amount of:

 

(A)              
any liabilities (as reflected on the Issuer’s most recent consolidated balance sheet or in the footnotes thereto,
or if incurred or accrued subsequent to the date of such balance sheet, such liabilities that would have been reflected on the
Issuer’s consolidated balance sheet or in the footnotes thereto if such incurrence or accrual had taken place on or prior
to the date of such balance sheet, as determined in good faith by the Issuer) of the Issuer, other than liabilities that are by
their terms subordinated to the Notes, that are assumed by the transferee of any such assets (or are otherwise extinguished in
connection with the transactions relating to such Asset Sale) and for which the Issuer and all such Restricted Subsidiaries have
been validly released by all applicable creditors in writing,

 

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(B)              
any securities, notes or other obligations or assets received by the Issuer or such Restricted Subsidiary from such transferee
that are converted by the Issuer or such Restricted Subsidiary into cash or Cash Equivalents, or by their terms are required to
be satisfied for cash or Cash Equivalents (to the extent of the cash or Cash Equivalents received), in each case, within 180 days
following the closing of such Asset Sale; and

 

(C)              
any Designated Non-cash Consideration received by the Issuer or such Restricted Subsidiary in such Asset Sale having an
aggregate Fair Market Value, taken together with all other Designated Non-cash Consideration received pursuant to this clause (C)
that is at that time outstanding, not to exceed the greater of (x) $100.0 million and (y) 25% of EBITDA for the Applicable Measurement
Period at the time of the receipt of such Designated Non-cash Consideration, with the Fair Market Value of each item of Designated
Non-cash Consideration being measured at the time received and without giving effect to subsequent changes in value,

 

shall be deemed to be cash for purposes of this provision
and for no other purpose.

 

(b)               
Within 450 days after the Issuer’s or any Restricted Subsidiary’s receipt of the Net Proceeds of any Asset Sale,
the Issuer or such Restricted Subsidiary, at its option, may apply the Net Proceeds from such Asset Sale:

 

(1)               
to permanently repay or reduce:

 

(A)              
Secured Indebtedness under Credit Facilities to the extent such Indebtedness was incurred under Section 1011(b)(1), and
to correspondingly reduce any outstanding commitments with respect thereto;

 

(B)              
Obligations under Senior Secured Indebtedness of the Issuer or a Guarantor, and to correspondingly reduce any outstanding
commitments with respect thereto;

 

(C)              
Obligations under the Notes or any other Senior Indebtedness of the Issuer or any Restricted Subsidiary (and, in the case
of other Senior Indebtedness, to correspondingly reduce any outstanding commitments with respect thereto, if applicable); provided
that if the Issuer or any Restricted Subsidiary shall so repay any such Senior Indebtedness other than the Notes, the Issuer
or such Restricted Subsidiary shall reduce Obligations under the Notes on a pro rata basis by, at its option, either (A)
redeeming Notes as described under Section 1101 or (B) purchasing Notes through open market purchases, at a price equal to or higher
than 100% of the principal amount thereof, in a manner that complies with this Indenture and applicable securities law or make
an offer (in accordance with the procedures set forth below for an Asset Sale Offer) to all Holders to purchase their Notes on
a ratable basis with such other Senior Indebtedness for no less than 100% of the principal amount thereof, plus the amount of accrued
but unpaid interest, if any, thereon up to the principal amount of Notes to be repurchased; or

 

(D)              
Indebtedness of a Restricted Subsidiary that is not a Guarantor, other than Indebtedness owed to the Issuer or another Restricted
Subsidiary;

 

(2)               
to make (a) an Investment in any one or more businesses; provided that such Investment in any business is in the
form of the acquisition of Capital Stock and results in the Issuer or a Restricted Subsidiary, as the case may be, owning an amount
of the Capital Stock of such business such that it constitutes or continues to constitute a Restricted Subsidiary, (b) capital
expenditures or (c) acquisitions of other property or assets, in the case of each of clauses (a), (b) and (c), either (i) used
or useful in a Similar Business or (ii) that replace the businesses, properties and/or assets that are the subject of such Asset
Sale; provided that the Issuer and its Restricted Subsidiaries shall be deemed to have complied with this clause (2) if
and to the extent that, within 450 days after the Asset Sale that generated the Net Proceeds, the Issuer or such Restricted Subsidiary
has entered into and not abandoned or rejected a binding agreement to consummate any such investment described in this clause (2)
with the good faith expectation that such Net Proceeds will be applied to satisfy such commitment within 180 days of such commitment
(an “Acceptable Commitment”) and, in the event any Acceptable Commitment is later cancelled or terminated for
any reason before the Net Proceeds are applied in connection therewith, the Issuer or such Restricted Subsidiary enters into another
Acceptable Commitment (a “Second Commitment”) within 180 days of such cancellation or termination; provided,
further, that if any Second Commitment is later cancelled or terminated for any reason before such Net Proceeds are applied,
then such Net Proceeds shall constitute Excess Proceeds; or

 

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(3)               
any combination of the foregoing.

 

(c)                
Any Net Proceeds from any Asset Sale that are not invested or applied in accordance with Section 1017(b) within the time
set forth therein will be deemed to constitute “Excess Proceeds.” Within ten (10) Business Days after
the date that the aggregate amount of Excess Proceeds exceeds $25.0 million, the Issuer shall make an offer to all Holders of the
Notes, and, if required by the terms of any Indebtedness that is pari passu with the Notes (“Pari Passu Indebtedness”),
to the holders of such Pari Passu Indebtedness (an “Asset Sale Offer”), to purchase the maximum aggregate principal
amount of Notes and such Pari Passu Indebtedness, and with respect to the Notes only in denominations of $2,000 initial principal
amount and multiples of $1,000 thereafter, that may be purchased out of the Excess Proceeds at an offer price, in the case of the
Notes, in cash in an amount equal to 100% of the principal amount thereof, plus accrued and unpaid interest, if any, to the date
fixed for the closing of such offer, in accordance with the procedures set forth in this Indenture. In the event that the Issuer
or a Restricted Subsidiary prepays any Pari Passu Indebtedness that is outstanding under a revolving credit or other committed
loan facility pursuant to an Asset Sale Offer, the Issuer or such Restricted Subsidiary shall cause the related loan commitment
to be reduced in an amount equal to the principal amount so prepaid.

 

The Issuer shall commence an Asset Sale
Offer by transmitting electronically or by mailing the notice required pursuant to the terms of this Indenture, with a copy to
the Trustee. To the extent that the aggregate amount of Notes and, if applicable, Pari Passu Indebtedness tendered pursuant to
an Asset Sale Offer is less than the Excess Proceeds (or, in the case of an Asset Sale Offer being effected in advance of being
required to do so by this Indenture, the amount of Net Proceeds the Issuer is offering to apply in such Asset Sale Offer), the
Issuer may use any remaining Excess Proceeds (or such amount offered) in any manner not prohibited by this Indenture. If the aggregate
principal amount of Notes and, if applicable, Pari Passu Indebtedness surrendered in an Asset Sale Offer exceeds the amount of
Excess Proceeds, the Trustee shall select the Notes to be purchased or repaid on a pro rata basis and in accordance with
the procedures of the Depository; provided that no Notes of $2,000 or less shall be repurchased in part. Upon completion
of any such Asset Sale Offer, the amount of Excess Proceeds shall be reset at zero, and in the case of an Asset Sale Offer being
effected in advance of being required to do so by this Indenture, the amount of Net Proceeds the Issuer is offering to apply in
such Asset Sale Offer shall be excluded in subsequent calculations of Excess Proceeds.

 

(d)               
Pending the final application of any Net Proceeds pursuant to this Section 1017, the Issuer or the applicable Restricted
Subsidiary may apply such Net Proceeds temporarily to reduce Indebtedness outstanding under a revolving credit facility or otherwise
invest such Net Proceeds in any manner not prohibited by this Indenture.

 

(e)                
The Issuer shall comply with the requirements of Rule 14e-1 under the Exchange Act and any other securities laws and regulations
thereunder to the extent such laws or regulations are applicable in connection with the repurchase of the Notes pursuant to an
Asset Sale Offer. To the extent that the provisions of any securities laws or regulations conflict with the provisions of this
Indenture, the Issuer shall comply with the applicable securities laws and regulations and shall not be deemed to have breached
its obligations described in this Indenture by virtue thereof.

 

    -86-

     

    

 

(f)                 
The provisions under this Indenture relative to the Issuer’s obligation to make an offer to repurchase the Notes as
a result of an Asset Sale may be waived or modified with the written consent of the Holders of a majority in principal amount of
the Notes.

 

(g)               
Notices of purchase or redemption shall be delivered electronically or mailed by first-class mail, postage prepaid, at least
15 but not more than 60 days before the purchase or redemption date to the Trustee and each Holder of Notes at such Holder’s
registered address or otherwise in accordance with the procedures of the Depository, except that redemption notices may be mailed
more than 60 days prior to a Redemption Date if the notice is issued in connection with a defeasance of the Notes or a satisfaction
and discharge of this Indenture. If any Note is to be purchased or redeemed in part only, any notice of purchase or redemption
that relates to such Note shall state the portion of the principal amount thereof that has been or is to be purchased or redeemed.

 

(h)               
If any Notes are to be purchased or redeemed in part only, the Issuer shall issue a new Note in principal amount equal to
the unredeemed portion of the original Note in the name of the Holder thereof upon cancellation of the original Note. Notes called
for redemption become due on the date fixed for redemption, unless such redemption is conditioned on the happening of a future
event. On and after the Redemption Date, unless the Issuer defaults in payment of the Redemption Price, interest shall cease to
accrue on Notes or portions thereof called for redemption, unless such redemption is conditioned on the happening of a future event.

 

SECTION
1018.      Suspension of Covenants.

 

(a)                
During any period of time that: (1) the Notes have Investment Grade Ratings from both Rating Agencies and (2) no Default
or Event of Default has occurred and is continuing under this Indenture (the occurrence of the events described in the foregoing
clauses (1) and (2) being collectively referred to as a “Covenant Suspension Event”), the Issuer and the Restricted
Subsidiaries shall not be subject to the following provisions of this Indenture:

 

(A)clause (a)(4) of Section
801;

 

(B)Section 1010;

 

(C)Section 1011;

 

(D)Section 1013;

 

(E)Section 1014;

 

(F)Section 1015; and

 

(G)Section 1017;

 

(collectively, the “Suspended Covenants”).
Upon the occurrence of a Covenant Suspension Event (the date of such occurrence, the “Suspension Date”), the
amount of Excess Proceeds from Net Proceeds shall be set at zero. In the event that the Issuer and the Restricted Subsidiaries
are not subject to the Suspended Covenants for any period of time as a result of the foregoing, and on any subsequent date (the
 “Reversion Date”) one or both of the Rating Agencies withdraws its Investment Grade Rating or downgrades the
rating assigned to the Notes below an Investment Grade Rating, then the Issuer and the Restricted Subsidiaries will thereafter
again be subject to the Suspended Covenants with respect to future events. The period of time between the Suspension Date and the
Reversion Date is referred to in this description as the “Suspension Period.” Notwithstanding that the Suspended
Covenants may be reinstated, no Default, Event of Default or breach of any kind shall be deemed to exist under this Indenture,
the Notes or the Guarantees with respect to the Suspended Covenants, and none of the Issuer or any of its Subsidiaries shall bear
any liability for any actions taken or events occurring during the Suspension Period, or any actions taken at any time pursuant
to any contractual obligation arising prior to the Reversion Date, as a result of a failure to comply with the Suspended Covenants
during the Suspension Period (or upon termination of the Suspension Period or after that time based solely on events that occurred
during the Suspension Period). The Issuer shall provide an Officer’s Certificate to the Trustee indicating the occurrence
of any Suspension Date or Reversion Date. The Trustee shall have no obligation to independently determine or verify if such events
have occurred or notify the Holders of any Suspension Date or Reversion Date. The Trustee may provide a copy of such Officer’s
Certificate to any Holder upon request.

 

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(b)               
On the Reversion Date, all Indebtedness incurred, or Disqualified Stock issued, during the Suspension Period shall be deemed
to have been outstanding on the Issue Date, so that they are classified to have been incurred or issued pursuant to Section 1011(b)(3).
On the Reversion Date, all Liens created, incurred or assumed during the Suspension Period in compliance with this Indenture will
be deemed to have been outstanding on the Issue Date, so that they are classified as permitted under clause (7) of the definition
of “Permitted Liens.” Calculations made after the Reversion Date of the amount available to be made as Restricted Payments
under Section 1010 shall be made as though Section 1010 had been in effect since the Issue Date and throughout the Suspension Period,
but with the actions taken by the Issuer and its Restricted Subsidiaries during the Suspension Period having no effect on such
calculation. No Subsidiaries shall be designated as Unrestricted Subsidiaries during any Suspension Period. Any Affiliate Transaction
entered into after the Reversion Date pursuant to an agreement entered into during any Suspension Period shall be deemed to be
permitted pursuant Section 1013(b)(6). Any encumbrance or restriction on the ability of any Restricted Subsidiary that is not a
Guarantor to take any action described in Section 1014(a) through (c) that becomes effective during any Suspension Period shall
be deemed to be permitted pursuant to Section 1014(c)(1).

 

SECTION
1019.      Financial Calculations for Limited Condition Acquisitions.When
calculating the availability under any basket or ratio under this Indenture, in each case in connection with a Limited Condition
Acquisition, the date of determination of such basket or ratio and of any Default or Event of Default may, at the option of the
Issuer, be the date the definitive agreements for such Limited Condition Acquisition are entered into and such baskets or ratios
shall be calculated with such pro forma adjustments as are appropriate and consistent with the pro forma adjustment provisions
set forth in the definition of Fixed Charge Coverage Ratio after giving effect to such Limited Condition Acquisition and the other
transactions to be entered into in connection therewith (including any incurrence of Indebtedness and the use of proceeds thereof)
as if they occurred at the beginning of the applicable period for purposes of determining the ability to consummate any such Limited
Condition Acquisition (and not for purposes of any subsequent availability of any basket or ratio), and, for the avoidance of doubt,
(x) if any of such baskets or ratios are exceeded as a result of fluctuations in such basket or ratio (including due to fluctuations
in EBITDA of the Issuer or the target company) subsequent to such date of determination and at or prior to the consummation of
the relevant Limited Condition Acquisition, such baskets or ratios will not be deemed to have been exceeded as a result of such
fluctuations solely for purposes of determining whether the Limited Condition Acquisition and related transactions are permitted
hereunder and (y) such baskets or ratios shall not be tested at the time of consummation of such Limited Condition Acquisition
or related transactions; provided, further, that if the Issuer elects to have such determinations occur at the time
of entry into such definitive agreement, any such transactions (including any incurrence of Indebtedness and the use of proceeds
thereof) shall be deemed to have occurred on the date the definitive agreements are entered into and outstanding thereafter for
purposes of calculating any baskets or ratios under this Indenture after the date of such agreement and before the consummation
of such Limited Condition Acquisition, unless and until such Limited Condition Acquisition has been abandoned or such definitive
agreement has expired or been terminated prior to consummation thereof. 

 

ARTICLE
Eleven

REDEMPTION OF NOTES

 

SECTION
1101.      Right of Redemption.
At any time prior to June 30, 2023, the Issuer may redeem all or a part of the Notes, upon notice as set forth in Section 1105,
at a Redemption Price equal to 100% of the principal amount of Notes redeemed plus the Applicable Premium as of, and accrued
and unpaid interest, if any, to, but excluding, the date of redemption (the “Redemption Date”), subject
to the rights of Holders of record of Notes on the relevant Regular Record Date to receive interest due on the relevant Interest
Payment Date.

 

On and after June 30, 2023, the Issuer may
redeem the Notes, in whole or in part, upon notice as set forth in Section 1105, at the Redemption Prices (expressed as percentages
of principal amount of Notes to be redeemed) set forth below, plus accrued and unpaid interest thereon, if any, to, but excluding,
the applicable Redemption Date, subject to the right of Holders of record of Notes on the relevant Regular Record Date to receive
interest due on the relevant Interest Payment Date, if redeemed during the twelve-month period beginning on June 30 of each of
the years indicated below:

 

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	Year	 	Percentage	 
	2023	 	 	102.063	%
	2024	 	 	101.031	%
	2025 and thereafter	 	 	100.000	%

 

In
addition, until June 30, 2023, the Issuer may, at its option, upon notice as set forth in Section 1105, on one or more occasions
redeem up to 40% of the aggregate principal amount of Notes issued under this Indenture at a Redemption Price equal to 104.125%
of the aggregate principal amount thereof, plus accrued and unpaid interest thereon, if any, to, but excluding, the applicable
Redemption Date, subject to the right of Holders of record of Notes on the relevant Regular Record Date to receive interest due
on the relevant Interest Payment Date, with the net cash proceeds of one or more Equity Offerings to the extent such net cash proceeds
are received by or contributed to the Issuer; provided that at least 50% of the sum of the aggregate principal amount of
Notes originally issued under this Indenture (including any Additional Notes issued under this Indenture after the Issue Date)
remains outstanding immediately after the occurrence of each such redemption; provided, further, that each such redemption
occurs within 120 days of the date of closing of each such Equity Offering.

 

SECTION
1102.      Applicability of Article.
Redemption of Notes at the election of the Issuer or otherwise, as permitted or required by any provision of this Indenture, shall
be made in accordance with such provision and this Article.

 

SECTION
1103.      Election to Redeem; Notice to Trustee.
In case of any redemption at the election of the Issuer, the Issuer shall, at least three Business Days before notice of redemption
is required to be sent to Holders pursuant to Section 1105 hereof (unless a shorter notice shall be satisfactory to the Trustee)
but not more than 60 days before a Redemption Date, notify the Trustee of such Redemption Date and of the principal amount of Notes
to be redeemed and, if required, shall deliver to the Trustee such documentation and records as shall enable the Trustee to select
the Notes to be redeemed pursuant to Section 1104.

 

SECTION
1104.      Selection by Trustee of Notes to Be Redeemed.
With respect to any partial redemption or repurchase of Notes made pursuant to this Indenture, if less than all of the Notes are
to be redeemed at any given time, selection of such Notes for redemption will be made by the Trustee on a pro rata basis,
by lot or by such other method, all in accordance with the procedures of the Depository; provided that no Notes of $2,000
or less shall be redeemed or repurchased in part.

 

Notices of purchase or redemption shall
be delivered electronically or mailed by first-class mail, postage prepaid, at least 15 but not more than 60 days before the purchase
or Redemption Date to the Trustee and each Holder at such Holder’s registered address or otherwise in accordance with the
procedures of the Depository, except that redemption notices may be delivered electronically or mailed more than 60 days prior
to a Redemption Date if the notice is issued in connection with a defeasance of the Notes or a satisfaction and discharge of this
Indenture. If any Note is to be purchased or redeemed in part only, any notice of purchase or redemption that relates to such Note
shall state the portion of the principal amount thereof that has been or is to be purchased or redeemed.

 

If any Notes are to be purchased or redeemed
in part only, the Issuer will issue a new Note in principal amount equal to the unredeemed portion of the original Note in the
name of the Holder thereof upon cancellation of the original Note. Notes called for redemption become due on the date fixed for
redemption, unless such redemption is conditioned on the happening of a future event. On and after the Redemption Date, unless
the Issuer defaults in payment of the Redemption Price, interest shall cease to accrue on Notes or portions thereof called for
redemption, unless such redemption is conditioned on the happening of a future event.

 

SECTION
1105.      Notice of Redemption.
Notice of redemption shall be given in the manner provided for in Section 107 not less than 15 nor more than 60 days prior to the
Redemption Date, to each Holder to be redeemed.

 

    -89-

     

    

 

All notices of redemption shall state:

 

(1)               
the Redemption Date,

 

(2)               
the Redemption Price and the amount of accrued interest to the Redemption Date payable as provided in Section 1107, if any,

 

(3)               
if less than all Outstanding Notes are to be redeemed, the identification (and, in the case of a partial redemption, the
principal amounts) of the particular Notes to be redeemed,

 

(4)               
in case any Note is to be redeemed in part only, the notice which relates to such Note shall state that on and after the
Redemption Date, upon surrender of such Note, the Holder will receive, without charge, a new Note or Notes of authorized denominations
for the principal amount thereof remaining unredeemed,

 

(5)               
that on the Redemption Date the Redemption Price (and accrued interest, if any, to the Redemption Date payable as provided
in Section 1107) will become due and payable upon each such Note, or the portion thereof, to be redeemed, and that interest thereon
will cease to accrue on and after said date,

 

(6)               
any condition precedent to the redemption;

 

(7)               
the place or places where such Notes are to be surrendered for payment of the Redemption Price and accrued interest, if
any,

 

(8)               
the name and address of the Paying Agent,

 

(9)               
that Notes called for redemption must be surrendered to the Paying Agent to collect the Redemption Price,

 

(10)            
CUSIP, ISIN or “Common Code” number and that no representation is made as to the accuracy or correctness of
the CUSIP, ISIN or “Common Code” number, if any, listed in such notice or printed on the Notes, and

 

(11)            
the paragraph of the Notes pursuant to which the Notes are to be redeemed.

 

Notice of redemption of Notes to be redeemed
at the election of the Issuer shall be given by the Issuer or, at the Issuer’s request and provision of such notice information
two Business Days (unless a shorter notice shall be agreed to by the Trustee) prior to the date notice is to be given, by the Trustee
in the name and at the expense of the Issuer.

 

Any redemption may, at the Issuer’s
discretion, be subject to one or more conditions precedent, which shall be set forth in the related notice of redemption, including,
but not limited to, completion of an Equity Offering, other offering or other transaction or event. In addition, if such redemption
or purchase is subject to satisfaction of one or more conditions precedent, such notice shall describe each such condition, and
if applicable, shall state that, in the Issuer’s discretion, the Redemption Date may be delayed until such time as any or
all such conditions shall be satisfied, or such redemption or purchase may not occur and such notice may be rescinded in the event
that any or all such conditions shall not have been satisfied by the Redemption Date, or by the Redemption Date as so delayed.

 

If any such condition precedent has not
been satisfied prior to the Redemption Date, the Issuer shall provide prompt notice to the Trustee. Upon receipt of such notice,
the notice of redemption shall either be rescinded and the redemption of the Notes shall not occur or the Redemption Date shall
be delayed. Upon receipt, the Trustee shall provide such notice to each Holder of the Notes in the same manner in which the notice
of redemption was given.

 

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The Issuer and its Affiliates may acquire
the Notes by means other than a redemption pursuant to this Article 11, whether by tender offer, open market purchases, negotiated
transactions or otherwise.

 

SECTION
1106.      Deposit of Redemption Price.
Prior to any Redemption Date, the Issuer shall deposit with the Trustee or with a Paying Agent (or, if the Issuer is acting as
its own Paying Agent, segregate and hold in trust as provided in Section 1003) an amount of money sufficient to pay the Redemption
Price of, and accrued interest on, all the Notes which are to be redeemed on that date.

 

SECTION
1107.      Notes Payable on Redemption Date.
Notice of redemption having been given as aforesaid, the Notes to be redeemed shall, on the Redemption Date, become due and payable,
unless such redemption is conditioned on the happening of a future event, at the Redemption Price therein specified (together with
accrued interest to the Redemption Date), and from and after such date (unless the Issuer shall default in the payment of the Redemption
Price and accrued interest) such Notes shall cease to bear interest. Upon surrender of any such Note for redemption in accordance
with said notice, such Note shall be paid by the Issuer at the Redemption Price, together with accrued interest to the Redemption
Date and such Notes shall be cancelled by the Trustee; provided, that installments of interest whose Stated Maturity is
on or prior to the Redemption Date shall be payable to the Holders of such Notes, or one or more Predecessor Notes, registered
as such at the close of business on the relevant record dates according to their terms and the provisions of Section 307.

 

If any Note called for redemption shall
not be so paid upon surrender thereof for redemption, the principal (and premium, if any) shall, until paid, bear interest from
the Redemption Date at the rate borne by the Notes, unless such redemption is conditioned on the happening of a future event.

 

SECTION
1108.      Notes Redeemed in Part.
Any Note which is to be redeemed only in part (pursuant to the provisions of this Article) shall be surrendered at an office or
agency of the Issuer maintained for such purpose pursuant to Section 1002 (with, if the Issuer or the Trustee so requires, due
endorsement by, or a written instrument of transfer in form satisfactory to the Issuer and the Trustee duly executed by, the Holder
thereof or such Holder’s attorney duly authorized in writing), and the Issuer shall execute, and the Trustee shall authenticate
and deliver to the Holder of such Note without service charge, a new Note or Notes, of any authorized denomination as requested
by such Holder, in aggregate principal amount equal to and in exchange for the unredeemed portion of the principal of the Note
so surrendered.

 

SECTION
1109.      [Reserved]

 

SECTION
1110.      Mandatory Redemption.
The Issuer shall not be required to make any mandatory redemption or sinking fund payments with respect to the Notes.

 

ARTICLE
Twelve

GUARANTEES

 

SECTION
1201.      Guarantees.
The Notes will be guaranteed, on a full, joint and several basis, by the Issuer’s present and future domestic Wholly-Owned
Subsidiaries that are obligors under the Senior Credit Facility. Subject to this Article 12, each Guarantor, as primary obligors
and not merely as sureties, hereby jointly and severally, unconditionally and irrevocably guarantees, on a senior unsecured basis,
the Notes and obligations of the Issuer hereunder and thereunder, and guarantees to each Holder authenticated and delivered by
the Trustee, and to the Trustee for itself and on behalf of such Holder, that: (1) the principal of (and premium, if any) and interest
on the Notes will be paid in full when due, whether at Stated Maturity, by acceleration or otherwise (including the amount that
would become due but for the operation of the automatic stay under Section 362(a) of the Bankruptcy Law), together with interest
on the overdue principal, if any, and interest on any overdue interest, to the extent lawful, and all other obligations of the
Issuer to the Holders or the Trustee hereunder or thereunder will be paid in full or performed, all in accordance with the terms
hereof and thereof; and (2) in case of any extension of time of payment or renewal of any Notes or of any such other obligations,
the same shall be paid in full when due or performed in accordance with the terms of the extension or renewal, whether at Stated
Maturity, by acceleration or otherwise, subject, however, in the case of clauses (1) and (2) above, to the limitation set forth
in Section 1204 hereof.

 

    -91-

     

    

 

Each Guarantor hereby agrees (to the extent
permitted by applicable law) that its obligations hereunder shall be unconditional, irrespective of the validity, regularity or
enforceability of the Notes or this Indenture, the absence of any action to enforce the same, any waiver or consent by any Holder
with respect to any provisions hereof or thereof, any release of any other Guarantor, the recovery of any judgment against the
Issuer, any action to enforce the same or any other circumstance which might otherwise constitute a legal or equitable discharge
or defense of a Guarantor.

 

Each
Guarantor hereby waives (to the extent permitted by law) the benefits of diligence, presentment, demand for payment, filing of
claims with a court in the event of insolvency or bankruptcy of the Issuer, any right to require a proceeding first against the
Issuer or any other Person, protest, notice and all demands whatsoever and covenants that the Guarantee of such Guarantor shall
not be discharged as to any Note except by complete performance of the obligations contained in such Note, this Indenture and such
Guarantee. Each Guarantor acknowledges that the Guarantee is a guarantee of payment, performance and compliance when due and not
of collection. Each of the Guarantors hereby agrees that, in the event of a default in payment of principal (or premium, if any)
or interest on such Note, whether at its Stated Maturity, by acceleration, purchase or otherwise, legal proceedings may
be instituted by the Trustee on behalf of, or by, the Holder of such Note, subject to the terms and conditions set forth in this
Indenture, directly against each of the Guarantors to enforce such Guarantor’s Guarantee without first proceeding against
the Issuer or any other Guarantor. Each Guarantor agrees that if, after the occurrence and during the continuance of an Event of
Default, the Trustee or any of the Holders are prevented by applicable law from exercising their respective rights to accelerate
the Maturity of the Notes, to collect interest on the Notes, or to enforce or exercise any other right or remedy with respect to
the Notes, such Guarantor shall pay to the Trustee for the account of the Holder, upon demand therefor, the amount that would otherwise
have been due and payable had such rights and remedies been permitted to be exercised by the Trustee or any of the Holders.

 

If any Holder or the Trustee is required
by any court or otherwise to return to the Issuer or any Guarantor, or any custodian, trustee, liquidator or other similar official
acting in relation to either the Issuer or any Guarantor, any amount paid by any of them to the Trustee or such Holder, the Guarantee
of each of the Guarantors, to the extent theretofore discharged, shall be reinstated in full force and effect. Each Guarantor further
agrees that, as between each Guarantor, on the one hand, and the Holders and the Trustee on the other hand, (1) subject to this
Article Twelve, the Maturity of the obligations guaranteed hereby may be accelerated as provided in Article Five hereof for the
purposes of the Guarantee of such Guarantor notwithstanding any stay, injunction or other prohibition preventing such acceleration
in respect of the obligations guaranteed hereby, and (2) in the event of any acceleration of such obligation as provided in Article
Five hereof, such obligations (whether or not due and payable) shall forthwith become due and payable by each Guarantor for the
purpose of the Guarantee of such Guarantor.

 

Each Guarantee shall remain in full force
and effect and continue to be effective should any petition be filed by or against the Issuer for liquidation, reorganization,
should the Issuer become insolvent or make an assignment for the benefit of creditors or should a receiver or trustee be appointed
for all or any significant part of the Issuer’s assets, and shall, to the fullest extent permitted by law, continue to be
effective or be reinstated, as the case may be, if at any time payment and performance of the Notes are, pursuant to applicable
law, rescinded or reduced in amount, or must otherwise be restored or returned by any obligee on the Notes, whether as a “voidable
preference,” “fraudulent transfer” or otherwise, all as though such payment or performance had not been made.
In the event that any payment or any part thereof, is rescinded, reduced, restored or returned, the Notes shall, to the fullest
extent permitted by law, be reinstated and deemed reduced only by such amount paid and not so rescinded, reduced, restored or returned.

 

SECTION
1202.      Severability.
In case any provision of any Guarantee 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 to the extent permitted by applicable law.

 

SECTION
1203.      Restricted Subsidiaries.
The Issuer shall cause any Restricted Subsidiary required to guarantee payment of the Notes pursuant to the terms and provisions
of Section 1015 to execute and deliver to the Trustee any amendment or supplement to this Indenture in accordance with the provisions
of Article Nine of this Indenture pursuant to which such Restricted Subsidiary shall guarantee all of the obligations on the Notes,
whether for principal, premium, if any, interest (including interest accruing after the filing of, or which would have accrued
but for the filing of, a petition by or against the Issuer under any Bankruptcy Law, whether or not such interest is allowed as
a claim after such filing in any proceeding under such law) and other amounts due in connection therewith (including any fees,
expenses and indemnities), on an unsecured senior basis. Upon the execution of any such amendment or supplement, the obligations
of the Guarantors and any such Restricted Subsidiary under their respective Guarantees shall become joint and several and each
reference to the “Guarantor” in this Indenture shall, subject to Section 1208, be deemed to refer to all Guarantors,
including such Restricted Subsidiary. Such Guarantee shall be released in accordance with Section 803 and Section 1208.

 

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SECTION
1204.      Limitation of Guarantors’ Liability.
Each Guarantor and by its acceptance hereof each Holder confirms that it is the intention of all such parties that the guarantee
by each such Guarantor pursuant to its Guarantee not constitute a fraudulent transfer or conveyance for purposes of the Bankruptcy
Law, the Uniform Fraudulent Conveyance Act, the Uniform Fraudulent Transfer Act or any similar federal or state law or the provisions
of its local law relating to fraudulent transfer or conveyance. To effectuate the foregoing intention, the Holders and each such
Guarantor hereby irrevocably agree that the obligations of such Guarantor under its Guarantee shall be limited to the maximum amount
that will not, after giving effect to all other contingent and fixed liabilities of such Guarantor and after giving effect to any
collections from or payments made by or on behalf of any other Guarantor in respect of the obligations of such other Guarantor
under its Guarantee or pursuant to this Section 1204, result in the obligations of such Guarantor under its Guarantee constituting
such fraudulent transfer or conveyance.

 

SECTION
1205.      Contribution.
In order to provide for just and equitable contribution among the Guarantors, the Guarantors agree that in the event any payment
or distribution is made by any Guarantor (a “Funding Guarantor”) under a Guarantee, such Funding Guarantor shall
be entitled to a contribution from all other Guarantors in a pro rata amount based on the Adjusted Net Assets (as defined
below) of each Guarantor (including the Funding Guarantor) for all payments, damages and expenses incurred by that Funding Guarantor
in discharging the Issuer’s obligations with respect to the Notes or any other Guarantor’s obligations with respect
to the Guarantee of such Guarantor. “Adjusted Net Assets” of such Guarantor at any date shall mean the lesser
of (1) the amount by which the fair value of the property of such Guarantor exceeds the total amount of liabilities, including
contingent liabilities (after giving effect to all other fixed and contingent liabilities incurred or assumed on such date), but
excluding liabilities under the Guarantee of such Guarantor at such date and (2) the amount by which the present fair salable value
of the assets of such Guarantor at such date exceeds the amount that will be required to pay the probable liability of such Guarantor
on its debts (after giving effect to all other fixed and contingent liabilities incurred or assumed on such date), excluding debt
in respect of the Guarantee of such Guarantor, as they become absolute and matured.

 

SECTION
1206.      Subrogation.
Each Guarantor shall be subrogated to all rights of Holders against the Issuer in respect of any amounts paid by any Guarantor
pursuant to the provisions of Section 1201; provided that, if an Event of Default has occurred and is continuing, no Guarantor
shall be entitled to enforce or receive any payments arising out of, or based upon, such right of subrogation until all amounts
then due and payable by the Issuer under this Indenture or the Notes shall have been paid in full.

 

SECTION
1207.      Reinstatement.
Each Guarantor hereby agrees (and each Person who becomes a Guarantor shall agree) that the Guarantee provided for in Section 1201
shall continue to be effective or be reinstated, as the case may be, if at any time, payment, or any part thereof, of any obligations
or interest thereon is rescinded or must otherwise be restored by a Holder to the Issuer upon the bankruptcy or insolvency of the
Issuer or any Guarantor.

 

SECTION
1208.      Release of a Guarantor.
Any Guarantee by a Guarantor of the Notes shall be automatically and unconditionally released and discharged upon:

 

(1)               
 

 

(A)              
any sale, exchange or transfer (by merger or otherwise) of (i) the Capital Stock of such Guarantor (including any sale,
exchange or transfer) after which the applicable Guarantor is no longer a Restricted Subsidiary or (ii) all the assets of such
Guarantor, which sale, exchange or transfer is made in compliance with the applicable provisions of this Indenture;

 

(B)              
the release or discharge of the guarantee by, or direct obligation of, such Guarantor with respect to the Senior Credit
Facility or the guarantee or direct obligation which resulted in the creation of such Guarantee, except a discharge or release
by or as a result of payment under such guarantee or direct obligation;

 

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(C)              
the designation of any Restricted Subsidiary that is a Guarantor as an Unrestricted Subsidiary in compliance with the applicable
provisions of this Indenture;

 

(D)              
the exercise of the Legal Defeasance of the Notes under Section 1302 hereof, and the Covenant Defeasance of the Notes under
Section 1303 hereof, or if the Issuer’s obligations under this Indenture are discharged in accordance with Section 401 of
this Indenture;

 

(E)               
the merger or consolidation of any Guarantor with and into the Issuer or another Guarantor that is the surviving Person
in such merger or consolidation, or upon the liquidation of such Guarantor following the transfer of all of its assets to the Issuer
or another Guarantor; or

 

(F)               
as described under Section 901 or 902; and

 

(2)               
such Guarantor delivering to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that all
conditions precedent herein provided for relating to such transaction have been complied with.

 

SECTION
1209.      Benefits Acknowledged.
Each Guarantor acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by this
Indenture and from its guarantee and waivers pursuant to its Guarantees under this Article Twelve.

 

ARTICLE
Thirteen

LEGAL DEFEASANCE AND COVENANT DEFEASANCE

 

SECTION
1301.      Issuer’s Option to Effect Legal Defeasance or Covenant Defeasance.
The Issuer may, at its option, at any time, with respect to the Notes, elect to have either Section 1302 or Section 1303 be applied
to all Outstanding Notes upon compliance with the conditions set forth below in this Article Thirteen.

 

SECTION
1302.      Legal Defeasance and Discharge.
Upon the Issuer’s exercise under Section 1301 of the option applicable to this Section 1302, each of the Issuer and the Guarantors
shall be deemed to have been discharged from its respective obligations with respect to all Outstanding Notes on the date the conditions
set forth in Section 1304 are satisfied (hereinafter, “Legal Defeasance”). For this purpose, such Legal Defeasance
means that each of the Issuer and the Guarantors shall be deemed to have paid and discharged the entire indebtedness represented
by the Outstanding Notes, which shall thereafter be deemed to be “Outstanding” only for the purposes of Section 1305
and the other Sections of this Indenture referred to in (1) and (2) below, and to have satisfied all its other obligations under
such Notes and this Indenture insofar as such Notes are concerned (and the Trustee, at the expense of the Issuer, shall execute
proper instruments acknowledging the same), except for the following which shall survive until otherwise terminated or discharged
hereunder: (1) the rights of Holders of Outstanding Notes to receive payments in respect of the principal of (and premium, if any,
on) and interest on such Notes when such payments are due, solely out of the trust described in Section 1304, (2) the Issuer’s
obligations with respect to such Notes under Sections 304, 305, 306, 1002 and 1003, (3) the rights, powers, trusts, duties and
immunities of the Trustee hereunder, and the obligations of each of the Guarantors and the Issuer in connection therewith and (4)
this Article Thirteen. Subject to compliance with this Article Thirteen, the Issuer may exercise its option under this Section
1302 notwithstanding the prior exercise of its option under Section 1303 with respect to the Notes.

 

SECTION
1303.      Covenant Defeasance.
Upon the Issuer’s exercise under Section 1301 of the option applicable to this Section 1303, each of the Issuer and the Guarantors
shall be released from its respective obligations under any covenant contained in Sections 801 and 802 and in Sections 1009 through
and including 1019 with respect to the Outstanding Notes on and after the date the conditions set forth below are satisfied (hereinafter,
 “Covenant Defeasance”), and the Notes shall thereafter be deemed not to be “Outstanding” for the
purposes of any direction, waiver, consent or declaration or Act of Holders (and the consequences of any thereof) in connection
with such covenants, but shall continue to be deemed “Outstanding” for all other purposes hereunder. For this purpose,
such Covenant Defeasance means that, with respect to the Outstanding Notes, the Issuer or any Guarantor, as applicable, may omit
to comply with and shall have no liability in respect of any term, condition or limitation set forth in any such covenant, whether
directly or indirectly, by reason of any reference elsewhere herein to any such covenant or by reason of any reference in any such
covenant to any other provision herein or in any other document and such omission to comply shall not constitute a Default or an
Event of Default under Sections 501(3), 501(4), 501(5), and 501(7) and, with respect to only any Significant Subsidiary and not
the Issuer, Section 501(6), but, except as specified above, the remainder of this Indenture and such Notes shall be unaffected
thereby.

 

    -94-

     

    

 

SECTION
1304.      Conditions to Legal Defeasance or Covenant Defeasance.
The following shall be the conditions to application of either Section 1302 or Section 1303 to the Outstanding Notes:

 

(1)               
the Issuer shall irrevocably have deposited or caused to be deposited with the Trustee (or another trustee satisfying the
requirements of Section 608 who shall agree to comply with the provisions of this Article Thirteen applicable to it) as trust funds
in trust for the purpose of making the following payments, specifically pledged as security for, and dedicated solely to the benefit
of the Holders of such Notes; (A) cash in U.S. dollars, or (B) Government Securities, or (C) a combination thereof, in such amounts
as will be sufficient, in the written opinion of a nationally recognized firm of independent public accountants expressed in a
written certification thereof delivered to the Trustee, to pay and discharge, and which shall be applied by the Trustee (or other
qualifying trustee) to pay and discharge, the principal of (and premium, if any) and interest on the Outstanding Notes at the Stated
Maturity (or Redemption Date, if applicable and so indicated to the Trustee in writing); provided that the Trustee shall
have been irrevocably instructed to apply such cash or the proceeds of such Government Securities or combination thereof to said
payments with respect to the Notes. Before such a deposit, the Issuer may give to the Trustee, in accordance with Section 1103
hereof, a notice of its election to redeem all of the Outstanding Notes at a future date in accordance with Article Eleven hereof,
which notice shall be irrevocable. Such irrevocable redemption notice, if given, shall be given effect in applying the foregoing;

 

(2)               
in the case of Legal Defeasance, the Issuer shall have delivered to the Trustee an Opinion of Counsel in the United States
acceptable to the Trustee confirming that, subject to customary assumptions and exclusions,

 

(A)              
the Issuer has received from, or there has been published by, the United States Internal Revenue Service a ruling, or

 

(B)              
since the issuance of the Notes, there has been a change in the applicable U.S. Federal income tax law,

 

in either case to the effect that, and based thereon
such Opinion of Counsel in the United States shall confirm that, subject to customary assumptions and exclusions, the beneficial
owners of the Outstanding Notes will not recognize income, gain or loss for U.S. Federal income tax purposes as a result of such
Legal Defeasance and will be subject to U.S. Federal income tax on the same amounts, in the same manner and at the same times as
would have been the case if such Legal Defeasance had not occurred;

 

(3)               
in the case of Covenant Defeasance, the Issuer shall have delivered to the Trustee an Opinion of Counsel in the United States
acceptable to the Trustee confirming that, subject to customary assumptions and exclusions, the beneficial owners of the Outstanding
Notes will not recognize income, gain or loss for U.S. Federal income tax purposes as a result of such Covenant Defeasance and
will be subject to U.S. Federal income tax on the same amounts, in the same manner and at the same times as would have been the
case if such Covenant Defeasance had not occurred;

 

(4)               
no Default or Event of Default (other than that resulting from borrowing funds to be applied to make such deposit and any
similar and simultaneous deposit relating to other Indebtedness, and, in each case the granting of Liens in connection therewith)
with respect to the Notes issued hereunder shall have occurred and be continuing on the date of such deposit;

 

    -95-

     

    

 

(5)           such
Legal Defeasance or Covenant Defeasance shall not result in a breach or violation of, or constitute a default under the Senior
Credit Facility or any other material agreement or instrument (other than this Indenture) to which, the Issuer or any Guarantor
is a party or by which the Issuer or any Guarantor is bound (other than that resulting from borrowing funds to be applied to make
such deposit and any similar and simultaneous deposit relating to other Indebtedness and, in each case, the granting of Liens
in connection therewith);

 

(6)           the Issuer shall have delivered to the Trustee an Opinion of Counsel to the effect that, as of the date of such opinion
and subject to customary assumptions and exclusions following the deposit, the trust funds will not be subject to the effect of
Section 547 of Title 11 of the United States Code;

 

(7)           the
Issuer shall have delivered to the Trustee an Officer’s Certificate stating that the deposit was not made by the Issuer
with the intent of defeating, hindering, delaying or defrauding any creditors of the Issuer or any Guarantor or others; and

 

(8)           the
Issuer shall have delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel each stating that all conditions
precedent provided for or relating to the Legal Defeasance or the Covenant Defeasance, as the case may be, have been complied
with.

 

SECTION
1305.     Deposited Money and Government Securities To Be Held in Trust Other Miscellaneous
Provisions. Subject to the provisions of the last
paragraph of Section 1003, all cash and Government Securities (including the proceeds thereof) deposited with the Trustee (or other
qualifying trustee, collectively for purposes of this Section 1305, the “Qualifying Trustee”) pursuant to Section
1304 in respect of the Outstanding Notes shall be held in trust and applied by the Qualifying Trustee, in accordance with the provisions
of such Notes and this Indenture, to the payment, either directly or through any Paying Agent (including the Issuer acting as its
own Paying Agent) as the Qualifying Trustee may determine, to the Holders of such Notes of all sums due and to become due thereon
in respect of principal (and premium, if any) and interest, but such money or Government Securities need not be segregated from
other funds except to the extent required by law.

 

The Issuer shall pay and indemnify the Qualifying
Trustee against any tax, fee or other charge imposed on or assessed against the Government Securities deposited pursuant to Section
1304 or the principal and interest received in respect thereof other than any such tax, fee or other charge which by law is for
the account of the Holders of the Outstanding Notes.

 

Anything in this Article Thirteen to the
contrary notwithstanding, the Qualifying Trustee shall deliver or pay to the Issuer from time to time upon Issuer Request any money
or Government Securities held by it as provided in Section 1304 which, in the opinion of a nationally recognized firm of independent
public accountants expressed in a written certification thereof delivered to the Qualifying Trustee, are in excess of the amount
thereof which would then be required to be deposited to effect an equivalent Legal Defeasance or Covenant Defeasance, as applicable,
in accordance with this Article.

 

SECTION
1306.     Reinstatement.
If the Trustee or any Paying Agent is unable to apply any money or Government Securities in accordance with Section 1305 by reason
of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application,
then the Issuer’s and each Guarantor’s obligations under this Indenture and the Outstanding Notes shall be revived
and reinstated as though no deposit had occurred pursuant to Section 1302 or 1303, as the case may be, until such time as the
Trustee or Paying Agent is permitted to apply all such money or Government Securities in accordance with Section 1305; provided
that, if the Issuer makes any payment of principal of (or premium, if any) or interest on any Note following the reinstatement
of its obligations, the Issuer shall be subrogated to the rights of the Holders of such Notes to receive such payment from the
money or Government Securities held by the Trustee or Paying Agent.

 

[Signature Pages Follow]

 

    -96-

     

    

 

IN WITNESS WHEREOF, the parties hereto have
caused this Indenture to be duly executed manually or by way of a DocuSign digital signature effective as of the day and year first
above written.

 

	 	BWX TECHNOLOGIES, INC.	 
	 
	 	By:	 /s/ Kirt J. Kubbs	 
	 	 	Name: Kirt J. Kubbs	 
	 	 	Title: Vice President, Treasurer	 
	 
	 	Guarantors:	 
	 	 	 
	 
	 	BWXT COMMERCIAL GROUP, INC.	 
	 	BWXT INVESTMENT COMPANY	 
	 	BWXT GOVERNMENT GROUP, INC.	 
	 
	 	By:	 /s/ Kirt J. Kubbs	 
	 	 	Name: Kirt J. Kubbs	 
	 	 	Title: Vice President, Treasurer	 
	 
	 
	 	BWXT ISOTOPE TECHNOLOGY GROUP, INC.	 
	 
	 	By:	 /s/ Kirt J. Kubbs	 
	 	 	Name: Kirt J. Kubbs	 
	 	 	Title: Vice President and Treasurer	 
	 
	 
	 	BWXT NUCLEAR MAINTEnance services, inc.	 
	 	BWXT advanced technologies llc	 
	 	BWXT nuclear energy, inc.	 
	 	bwxt international technical services, inc.	 
	 	bwxt nog technologies, inc.	 
	 	bwxt nuclear operations group, inc.	 
	 	bwxt technical services group, inc.	 
	 	bwxt federal services, inc.	 
	 	bwxt washington, inc.	 
	 	marine mechanical corporation	 
	 	nog-erwin holdings, inc.	 
	 	nfs holdings, inc.	 
	 	nuclear fuel services, inc.	 
	 	bwxt mt. athos, llc	 
	 
	 	By:	/s/ Kirt J. Kubbs	 
	 	 	Name: Kirt J. Kubbs	 
	 	 	Title: Treasurer	 

 

[Signature Page to Indenture]

 

    

     

    

 

The undersigned agrees to act as Trustee, Paying Agent, Note
Registrar and Transfer Agent:

 

	 	U.S. BANK NATIONAL ASSOCIATION,	 
	 	as Trustee	 
	 
	 	By:	/s/ Melody M. Scott              	 
	 	 	Name: Melody M. Scott	 
	 	 	Title: Assistant Vice President	 

 

[Signature Page to Indenture]

 

    

     

    

 

Annex 1 - Rule 144A / Regulation S Appendix

 

PROVISIONS RELATING TO INITIAL NOTES AND
ADDITIONAL NOTES

 

1.             Definitions

 

1.1           Definitions.

 

For the purposes of this Appendix the following
terms shall have the meanings indicated below:

 

“Applicable Procedures” means,
with respect to any transfer or transaction involving a Temporary Regulation S Global Note or beneficial interest therein, the
rules and procedures of the Depository for such a Temporary Regulation S Global Note, to the extent applicable to such transaction
and as in effect from time to time.

 

“Depository” means The Depository
Trust Company, its nominees and their respective successors.

 

“Definitive Note” means a certificated
Note bearing, if required, the appropriate restricted notes legend set forth in Section 2.3(e).

 

“Distribution Compliance Period,”
with respect to any Notes, means the period of 40 consecutive days beginning on and including the latest of (i) the Issue Date,
(ii) with respect to Additional Notes, the original issue date of any Additional Notes and (iii) the date on which any such Notes
(or any predecessor of such Notes) were first offered to persons other than distributors (as defined in Rule 902 of Regulation
S) in reliance on Regulation S.

 

“IAI” means an institutional
 “accredited investor,” as defined in Rule 501(a)(1), (2), (3) and (7) of Regulation D under the Securities Act.

 

“Initial
Purchasers” means (1) with respect to the Notes issued on the Issue Date, Morgan Stanley & Co. LLC, Wells Fargo Securities,
LLC, J.P. Morgan Securities LLC, TD Securities (USA) LLC, U.S. Bancorp Investments, Inc., PNC Capital Markets LLC, Citizens
Capital Markets, Inc., SunTrust Robinson Humphrey, Inc., and BNP Paribas Securities Corp., and (2) with respect to each issuance
of Additional Notes, the Persons purchasing such Additional Notes under the related Purchase Agreement.

 

“Notes” means (1) $400,000,000
aggregate principal amount of the Issuer’s 4.125% Senior Notes due 2028 issued on the Issue Date and (2) Additional Notes,
if any.

 

“Notes Custodian” means the
custodian with respect to a Global Note (as appointed by the Depository), or any successor Person thereto and shall initially be
the Trustee.

 

“Purchase Agreement” means (1)
with respect to the Notes issued on the Issue Date, the Purchase Agreement dated June 9, 2020, among the Issuer, the Guarantors
party thereto and the Representative on behalf of the Initial Purchasers, and (2) with respect to each issuance of Additional Notes,
the purchase agreement or underwriting agreement among the Issuer, the Guarantors and the Persons purchasing such Additional Notes.

 

“QIB” means a “qualified
institutional buyer” as defined in Rule 144A.

 

“Representative” means Morgan
Stanley & Co. LLC, as representative of the Initial Purchasers.

 

“Rule 144A Notes” means all
Notes offered and sold to QIBs in reliance on Rule 144A.

 

“Securities Act” means the Securities
Act of 1933, as amended.

 

“Transfer Restricted Notes”
means Notes that bear or are required to bear the legend relating to restrictions on transfer relating to the Securities Act set
forth in Section 2.3(e) hereto.

 

    

     

    

 

1.2           Other
Definitions.

 

	Term	 	Defined in
 Section:

	“Agent Members”	 	2.1(b)
	“Global Notes”	 	2.1(a)
	“Regulation S”	 	2.1(a)
	“Regulation S Global Note”	 	2.1(a)
	“Rule 144A”	 	2.1(a)
	“Rule 144A Global Note”	 	2.1(a)

 

2.            The
Notes.

 

2.1       
    (a) Form and Dating. The Notes will be offered and sold by the Issuer pursuant to a Purchase
Agreement. The Notes will be resold initially only to (i) QIBs in reliance on Rule 144A under the Securities Act (“Rule
144A”) and (ii) Persons other than U.S. Persons (as defined in Regulation S) in reliance on Regulation S under the
Securities Act (“Regulation S”). Notes may thereafter be transferred to, among others, QIBs, IAIs and purchasers
in reliance on Regulation S, subject to the restrictions on transfer set forth herein. Notes initially resold pursuant to
Rule 144A shall be issued initially in the form of one or more permanent global notes in fully registered form (collectively,
the “Rule 144A Global Note”); and Notes initially resold pursuant to Regulation S shall be issued initially in
the form of one or more global notes in fully registered form (collectively, the “Regulation S Global Note”), in
each case without interest coupons and with the global notes legend and the applicable restricted notes legend set forth in
Exhibit 1 hereto, which shall be deposited on behalf of the purchasers of the Notes represented thereby with the Notes
Custodian and registered in the name of the Depository, duly executed by the Issuer and authenticated by the Trustee as
provided in this Indenture. Except as set forth in this Section 2.1(a), beneficial ownership interests in the Regulation S
Global Note will not be exchangeable for interests in a Rule 144A Global Note, or any other Note prior to the expiration of
the Distribution Compliance Period and then, after the expiration of the Distribution Compliance Period, may be exchanged for
interests in a Rule 144A Global Note, or a Definitive Note only (i) upon certification in form reasonably satisfactory to the
Trustee that beneficial ownership interests in such Regulation S Global Note are owned either by Non-U.S. Persons or U.S.
Persons who purchased such interests in a transaction that did not require registration under the Securities Act and (ii) in
the case of an exchange for a Definitive Note, in compliance with the requirements of Section 2.4(a) hereof.

 

Beneficial interests in Regulation S Global
Notes may be exchanged for interests in Rule 144A Global Notes if (1) such exchange occurs in connection with a transfer of Notes
in compliance with Rule 144A and (2) the transferor of the beneficial interest in the Regulation S Global Note, first delivers
to the Trustee a written certificate (in a form satisfactory to the Trustee) to the effect that the beneficial interest in the
Regulation S Global Note is being transferred to a Person (a) whom the transferor reasonably believes to be a QIB, (b) purchasing
for its own account or the account of a QIB in a transaction meeting the requirements of Rule 144A, and (c) in accordance with
all applicable securities laws of the States of the United States and other jurisdictions.

 

Beneficial interests in a Rule 144A Global
Note may be transferred to a Person who takes delivery in the form of an interest in a Regulation S Global Note, whether before
or after the expiration of the Distribution Compliance Period, only if the transferor first delivers to the Trustee a written certificate
(in the form provided in this Indenture) to the effect that such transfer is being made in accordance with Rule 903 or 904 of Regulation
S or Rule 144 (if applicable).

 

The Rule 144A Global Note and the Regulation
S Global Note are collectively referred to herein as “Global Notes.” The aggregate principal amount of the Global Notes
may from time to time be increased or decreased by adjustments made on the records of the Trustee and the Depository or its nominee
as hereinafter provided.

 

(b)           Book-Entry
Provisions. This Section 2.1(b) shall apply only to a Global Note deposited with or on behalf of the Depository.

 

The Issuer shall execute and the Trustee
shall, in accordance with this Section 2.1(b), authenticate and deliver initially one or more Global Notes that (a) shall be registered
in the name of the Depository and (b) shall be delivered by the Trustee to such Depository or pursuant to such Depository’s
instructions or held by the Trustee as custodian for the Depository.

 

    

     

    

 

Members of, or participants in the Depository
(“Agent Members”) shall have no rights under this Indenture with respect to any Global Note held on their behalf by
the Depository or by the Trustee as the custodian of the Depository or under such Global Note, and the Issuer, the Trustee and
any agent of the Issuer or the Trustee shall be entitled to treat the Depository as the absolute owner of such Global Note for
all purposes whatsoever. Notwithstanding the foregoing, nothing herein shall prevent the Issuer, the Trustee or any agent of the
Issuer or the Trustee from giving effect to any written certification, proxy or other authorization furnished by the Depository
or impair as between the Depository and its Agent Members, the operation of customary practices of such Depository governing the
exercise of the rights of a holder of a beneficial interest in any Global Note.

 

(c)           Definitive
Notes. Except as provided in this Section 2.1, 2.3 or 2.4, owners of beneficial interests in Global Notes shall not be entitled
to receive physical delivery of Definitive Notes.

 

2.2          Authentication.
The Trustee shall authenticate and deliver: (1) on the Issue Date, an aggregate principal amount of $400,000,000 of the Issuer’s
4.125% Senior Notes due 2028 and (2) any Additional Notes for an original issue in an aggregate principal amount specified in the
written order of the Issuer pursuant to Section 202 of this Indenture, in each case upon a written order of the Issuer signed by
two Officers or by an Officer and either an Assistant Treasurer or an Assistant Secretary of the Issuer. Such order shall specify
the amount of the Notes to be authenticated and the date on which the original issue of Notes is to be authenticated and, in the
case of any issuance of Additional Notes pursuant to Section 313 of this Indenture, shall certify that such issuance is in compliance
with Section 1011 of this Indenture.

 

2.3          Transfer
and Exchange.

 

(a)          Transfer
and Exchange of Definitive Notes. When Definitive Notes are presented to the Note Registrar with a request:

 

(x)           to
register the transfer of such Definitive Notes; or

 

(y)           to
exchange such Definitive Notes for an equal principal amount of Definitive Notes of other authorized denominations,

 

the Note Registrar shall register the transfer or make the exchange
as requested if its reasonable requirements for such transaction are met; provided, however, that the Definitive
Notes surrendered for transfer or exchange:

 

(i)            shall
be duly endorsed or accompanied by a written instrument of transfer in form reasonably satisfactory to the Issuer and the Note
Registrar, duly executed by the Holder thereof or its attorney duly authorized in writing; and

 

(ii)           if
such Definitive Notes are required to bear a restricted notes legend, they are being transferred or exchanged pursuant to an effective
registration statement under the Securities Act, pursuant to Section 2.3(b) or pursuant to clause (A), (B) or (C) below, and are
accompanied by the following additional information and documents, as applicable:

 

(A)       if
such Definitive Notes are being delivered to the Note Registrar by a Holder for registration in the name of such Holder, without
transfer, a certification from such Holder to that effect; or

 

(B)       if
such Definitive Notes are being transferred to the Issuer, a certification to that effect; or

 

    

     

    

 

(C)       if
such Definitive Notes are being transferred (x) pursuant to an exemption from registration in accordance with Rule 144A, Regulation
S or Rule 144 under the Securities Act; or (y) in reliance upon another exemption from the requirements of the Securities Act:
(i) a certification to that effect (in the form set forth on the reverse of the Note) and (ii) if the Issuer so requests, an opinion
of counsel or other evidence reasonably satisfactory to it as to the compliance with the restrictions set forth in the legend set
forth in Section 2.3(e)(i).

 

(b)      
     Restrictions on Transfer of a Definitive Note for a Beneficial Interest in a Global Note. A
Definitive Note may not be exchanged for a beneficial interest in a Rule 144A Global Note or a Regulation S Global Note
except upon satisfaction of the requirements set forth below. Upon receipt by the Trustee of a Definitive Note, duly endorsed
or accompanied by appropriate instruments of transfer, in form satisfactory to the Trustee, together with:

 

(i)            certification,
in the form set forth on the reverse of the Note, that such Definitive Note is either (A) being transferred to a QIB in accordance
with Rule 144A or (B) being transferred to an IAI or (C) being transferred after expiration of the Distribution Compliance Period
by a Person who initially purchased such Note in reliance on Regulation S to a buyer who elects to hold its interest in such Note
in the form of a beneficial interest in the Regulation S Global Note; and

 

(ii)           written
instructions directing the Trustee to make, or to direct the Notes Custodian to make, an adjustment on its books and records
with respect to such Rule 144A Global Note (in the case of a transfer pursuant to clause (b)(i)(A)) or Regulation S Global
Note (in the case of a transfer pursuant to clause (b)(i)(C)) to reflect an increase in the aggregate principal amount of the
Notes represented by the Rule 144A Global Note or Regulation S Global Note, as applicable, such instructions to contain
information regarding the Agent Member account to be credited with such increase, then the Trustee shall cancel such
Definitive Note and cause, or direct the Notes Custodian to cause, in accordance with the standing instructions and
procedures of the Depository and the Notes Custodian, the aggregate principal amount of Notes represented by the Rule 144A
Global Note or Regulation S Global Note, as applicable, to be increased by the aggregate principal amount of the Definitive
Note to be exchanged and shall credit or cause to be credited to the account of the Person specified in such instructions a
beneficial interest in the Rule 144A Global Note or Regulation S Global Note, as applicable, equal to the principal amount of
the Definitive Note so cancelled. If no Rule 144A Global Notes or Regulation S Global Notes, as applicable, are then
outstanding, the Issuer shall issue and the Trustee shall authenticate, upon written order of the Issuer in the form of an
Officer’s Certificate of the Issuer, a new Rule 144A Global Note or Regulation S Global Note, as applicable, in the
appropriate principal amount.

 

(c)           Transfer
and Exchange of Global Notes.

 

(i)            The
transfer and exchange of Global Notes or beneficial interests therein shall be effected through the Depository, in accordance with
this Indenture (including applicable restrictions on transfer set forth herein, if any) and the procedures of the Depository therefor.
A transferor of a beneficial interest in a Global Note shall deliver to the Note Registrar a written order given in accordance
with the Depository’s procedures containing information regarding the participant account of the Depository to be credited
with a beneficial interest in the Global Note. The Note Registrar shall, in accordance with such instructions instruct the Depository
to credit to the account of the Person specified in such instructions a beneficial interest in the Global Note and to debit the
account of the Person making the transfer the beneficial interest in the Global Note being transferred.

 

(ii)           If
the proposed transfer is a transfer of a beneficial interest in one Global Note to a beneficial interest in another Global Note,
the Note Registrar shall reflect on its books and records the date and an increase in the principal amount of the Global Note to
which such interest is being transferred in an amount equal to the principal amount of the interest to be so transferred, and the
Note Registrar shall reflect on its books and records the date and a corresponding decrease in the principal amount of the Global
Note from which such interest is being transferred.

 

(iii)          Notwithstanding
any other provisions of this Appendix (other than the provisions set forth in Section 2.4), a Global Note may not be transferred
as a whole except by the Depository to a nominee of the Depository or by a nominee of the Depository to the Depository or another
nominee of the Depository or by the Depository or any such nominee to a successor Depository or a nominee of such successor Depository.

 

    

     

    

 

(iv)          In
the event that a Global Note is exchanged for a Definitive Note pursuant to Section 2.4 of this Appendix, such Notes may be exchanged
only in accordance with such procedures as are substantially consistent with the provisions of this Section 2.3 (including the
certification requirements set forth on the reverse of the Notes intended to ensure that such transfers comply with Rule 144A,
Regulation S or another applicable exemption under the Securities Act, as the case may be) and such other procedures as may from
time to time be adopted by the Issuer.

 

(v)           During
the Distribution Compliance Period, beneficial ownership interests in Regulation S Global Notes may only be sold, pledged or transferred
in accordance with the Applicable Procedures and only (i) to the Issuer, (ii) in an offshore transaction in accordance with Regulation
S or (iii) pursuant to an effective registration statement under the Securities Act, in each case in accordance with any applicable
securities laws of any State of the United States.

 

(e)           Legend.

 

(i)            Except
as permitted by the following paragraphs (ii), (iii) and (iv), each Note certificate evidencing the Global Notes (and all Notes
issued in exchange therefor or in substitution thereof), in the case of Notes offered otherwise than in reliance on Regulation
S shall bear a legend in substantially the following form:

 

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES
ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”) OR ANY SECURITIES LAWS OF ANY STATE OF THE UNITED STATES OR OTHER JURISDICTION,
AND, ACCORDINGLY, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT
OR BENEFIT OF, ANY PERSON EXCEPT AS SET FORTH BELOW. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT IS A “QUALIFIED
INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT), OR (B) IT IS NOT A U.S. PERSON, IS NOT ACQUIRING
THIS SECURITY FOR THE ACCOUNT OR BENEFIT OF A U.S. PERSON AND IS ACQUIRING THIS SECURITY IN AN OFFSHORE TRANSACTION IN COMPLIANCE
WITH REGULATION S UNDER THE SECURITIES ACT, (2) AGREES THAT IT WILL NOT UNTIL THE DATE THAT IS [IN THE CASE OF RULE 144A NOTES:
ONE YEAR AFTER THE LATER OF THE ORIGINAL ISSUE DATE HEREOF, THE ORIGINAL ISSUE DATE OF THE ISSUANCE OF ANY ADDITIONAL NOTES AND
THE LAST DATE ON WHICH THE ISSUER OR ANY AFFILIATE OF THE ISSUER WAS THE OWNER OF THIS SECURITY (OR ANY PREDECESSOR OF SUCH SECURITY),]
[IN THE CASE OF REGULATION S NOTES: 40 DAYS AFTER THE LATER OF THE ORIGINAL ISSUE DATE HEREOF, THE ORIGINAL ISSUE DATE OF THE ISSUANCE
OF ANY ADDITIONAL NOTES AND THE DATE ON WHICH THIS SECURITY (OR ANY PREDECESSOR OF SUCH SECURITY) WAS FIRST OFFERED TO PERSONS
OTHER THAN DISTRIBUTORS (AS DEFINED IN RULE 902 OF REGULATION S) IN RELIANCE ON REGULATION S] OFFER, SELL OR OTHERWISE TRANSFER
THIS SECURITY EXCEPT (A) TO THE ISSUER OR ANY SUBSIDIARY THEREOF, (B) INSIDE THE UNITED STATES TO A QUALIFIED INSTITUTIONAL BUYER
IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) INSIDE THE UNITED STATES TO AN INSTITUTIONAL “ACCREDITED INVESTOR”
(AS DEFINED IN RULE 501(A)(1), (2), (3) OR (7) UNDER THE SECURITIES ACT) (AN “ACCREDITED INVESTOR”) THAT, PRIOR TO
SUCH TRANSFER, FURNISHES (OR HAS FURNISHED ON ITS BEHALF BY A U.S. BROKER DEALER) TO THE TRUSTEE A SIGNED LETTER CONTAINING CERTAIN
REPRESENTATIONS AND AGREEMENTS RELATING TO THE RESTRICTIONS ON TRANSFER OF THE NOTES (THE FORM OF WHICH LETTER CAN BE OBTAINED
FROM SUCH TRUSTEE), (D) OUTSIDE THE UNITED STATES IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT
(IF AVAILABLE), (E) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE) (PROVIDED
THAT PRIOR TO SUCH TRANSFER, THE ISSUER MAY REQUIRE AN OPINION OF COUNSEL THAT SUCH TRANSFER IS IN COMPLIANCE WITH THE SECURITIES
ACT), (F) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, (PROVIDED THAT PRIOR TO
SUCH TRANSFER THE ISSUER MAY REQUIRE AN OPINION OF COUNSEL THAT SUCH TRANSFER IS IN COMPLIANCE WITH THE SECURITIES ACT) OR (G)
PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND, IN EACH CASE DESCRIBED IN CLAUSES (A) THROUGH (G),
IN ACCORDANCE WITH ANY APPLICABLE SECURITIES LAW OF THE UNITED STATES OR ANY OTHER JURISDICTION AND (3) AGREES FOR THE BENEFIT
OF THE ISSUER THAT IT WILL GIVE TO EACH PERSON TO WHOM THIS SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS
LEGEND. AS USED HEREIN, THE TERMS “OFFSHORE TRANSACTION,” “UNITED STATES” AND “U.S. PERSON”
HAVE THE MEANING GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT.

 

    

     

    

 

Each certificate evidencing a Note offered in reliance on Regulation
S shall, in addition to the foregoing, bear a legend in substantially the following form:

 

THIS NOTE (OR ITS PREDECESSOR) WAS
ORIGINALLY ISSUED IN A TRANSACTION ORIGINALLY EXEMPT FROM REGISTRATION UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
ACT”), AND MAY NOT BE TRANSFERRED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY U.S. PERSON EXCEPT PURSUANT
TO AN AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND ALL APPLICABLE STATE SECURITIES LAWS. TERMS
USED ABOVE HAVE THE MEANING GIVEN TO THEM IN REGULATION S UNDER THE SECURITIES ACT.

 

Each Definitive Note shall also bear the following additional
legend:

 

IN CONNECTION WITH ANY TRANSFER, THE HOLDER WILL DELIVER
TO THE REGISTRAR AND TRANSFER AGENT SUCH CERTIFICATES AND OTHER INFORMATION AS SUCH TRANSFER AGENT MAY REASONABLY REQUIRE TO CONFIRM
THAT THE TRANSFER COMPLIES WITH THE FOREGOING RESTRICTIONS.

 

(ii)           Upon
any sale or transfer of a Transfer Restricted Note (including any Transfer Restricted Note represented by a Global Note) pursuant
to Rule 144 under the Securities Act, the Note Registrar shall permit the transferee thereof to exchange such Transfer Restricted
Note for a certificated Note that does not bear the legend set forth above and rescind any restriction on the transfer of such
Transfer Restricted Note, if the transferor thereof certifies in writing to the Note Registrar that such sale or transfer was made
in reliance on Rule 144 (such certification to be in the form set forth on the reverse of the Note).

 

(f)            Cancellation
or Adjustment of Global Note. At such time as all beneficial interests in a Global Note have either been exchanged for Definitive
Notes, redeemed, purchased or cancelled, such Global Note shall be returned to the Depository for cancellation or retained and
cancelled by the Trustee. At any time prior to such cancellation, if any beneficial interest in a Global Note is exchanged for
certificated Notes, redeemed, purchased or cancelled, the principal amount of Notes represented by such Global Note shall be reduced
and an adjustment shall be made on the books and records of the Trustee (if it is then the Notes Custodian for such Global Note)
with respect to such Global Note, by the Trustee or the Notes Custodian, to reflect such reduction.

 

(g)           No
Obligation of the Trustee.

 

(i)            The
Trustee shall have no responsibility or obligation to any beneficial owner of a Global Note, a member of, or a participant in the
Depository or other Person with respect to the accuracy of the records of the Depository or its nominee or of any participant or
member thereof, with respect to any ownership interest in the Notes or with respect to the delivery to any participant, member,
beneficial owner or other Person (other than the Depository) of any notice (including any notice of redemption) or the payment
of any amount, under or with respect to such Notes. All notices and communications to be given to the Holders and all payments
to be made to Holders under the Notes shall be given or made only to or upon the order of the registered Holders (which shall be
the Depository or its nominee in the case of a Global Note). The rights of beneficial owners in any Global Note shall be exercised
only through the Depository subject to the applicable rules and procedures of the Depository. The Trustee may rely and shall be
fully protected in relying upon information furnished by the Depository with respect to its members, participants and any beneficial
owners.

 

    

     

    

 

(ii)           The
Trustee shall have no obligation or duty to monitor, determine or inquire as to compliance with any restrictions on transfer imposed
under this Indenture or under applicable law with respect to any transfer of any interest in any Note (including any transfers
between or among the Depository participants, members or beneficial owners in any Global Note) other than to require delivery of
such certificates and other documentation or evidence as are expressly required by, and to do so if and when expressly required
by, the terms of this Indenture, and to examine the same to determine substantial compliance as to form with the express requirements
hereof.

 

2.4           Definitive
Notes.

 

(a)           A
Global Note deposited with the Depository or with the Trustee as Notes Custodian for the Depository pursuant to Section 2.1 shall
be transferred to the beneficial owners thereof in the form of Definitive Notes in an aggregate principal amount equal to the principal
amount of such Global Note, in exchange for such Global Note, only if such transfer complies with Section 2.3 hereof and (i) the
Depository notifies the Issuer that it is unwilling or unable to continue as Depository for such Global Note or if at any time
such Depository ceases to be a “clearing agency” registered under the Exchange Act and, in each case, a successor depository
is not appointed by the Issuer within 90 days of such notice, or (ii) a Default has occurred and is continuing or (iii) the Issuer,
in its sole discretion, notifies the Trustee in writing that it elects to cause the issuance of Definitive Notes under this Indenture.

 

(b)          Any
Global Note that is transferable to the beneficial owners thereof pursuant to this Section 2.4 shall be surrendered by the Depository
to the Trustee located at its principal Corporate Trust Office in the Borough of Manhattan, The City of New York, to be so transferred,
in whole or from time to time in part, without charge, and the Trustee shall authenticate and deliver, upon such transfer of each
portion of such Global Note, an equal aggregate principal amount of Definitive Notes of authorized denominations. Any portion of
a Global Note transferred pursuant to this Section 2.4 shall be executed, authenticated and delivered only in denominations of
$2,000 principal amount and any integral multiple of $1,000 in excess thereof and registered in such names as the Depository shall
direct. Any Definitive Note delivered in exchange for an interest in the Transfer Restricted Note shall, except as otherwise provided
by Section 2.3(e) hereof, bear the applicable restricted notes legend and definitive notes legend set forth in Exhibit 1 hereto.

 

(c)           Subject
to the provisions of Section 2.4(b) hereof, the registered Holder of a Global Note shall be entitled to grant proxies and otherwise
authorize any Person, including Agent Members and Persons that may hold interests through Agent Members, to take any action which
a Holder is entitled to take under this Indenture or the Notes.

 

(d)           In
the event of the occurrence of one of the events specified in Section 2.4(a) hereof, the Issuer shall promptly make available to
the Trustee a reasonable supply of Definitive Notes in definitive, fully registered form without interest coupons. In the event
that such Definitive Notes are not issued, the Issuer expressly acknowledges, with respect to the right of any Holder to pursue
a remedy pursuant to this Indenture, including pursuant to Section 507, the right of any beneficial owner of Notes to pursue such
remedy with respect to the portion of the Global Note that represents such beneficial owner’s Notes as if such Definitive
Notes had been issued.

 

    

     

    

 

EXHIBIT 1

to Annex 1

 

[FORM OF FACE OF INITIAL NOTE]

[Global Notes Legend]

 

UNLESS THIS CERTIFICATE 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 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.

 

TRANSFERS OF THIS GLOBAL SECURITY SHALL
BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO THE DEPOSITORY, TO NOMINEES OF THE DEPOSITORY OR TO A SUCCESSOR THEREOF OR
SUCH SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE
WITH THE RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.

 

[FOR REGULATION S GLOBAL NOTE ONLY] UNTIL
40 DAYS AFTER THE LATER OF COMMENCEMENT OR COMPLETION OF THE OFFERING, AN OFFER OR SALE OF SECURITIES WITHIN THE UNITED STATES
BY A DEALER (AS DEFINED IN THE SECURITIES ACT) MAY VIOLATE THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT IF SUCH OFFER OR
SALE IS MADE OTHERWISE THAN IN ACCORDANCE WITH RULE 144A THEREUNDER.

 

[Restricted Notes Legend]

 

THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES
ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”) OR ANY SECURITIES LAWS OF ANY STATE OF THE UNITED STATES OR OTHER JURISDICTION,
AND, ACCORDINGLY, MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT
OR BENEFIT OF, ANY PERSON EXCEPT AS SET FORTH BELOW. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS FOR THE BENEFIT OF THE
ISSUER THAT (A) IT IS A “QUALIFIED INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT), OR (B)
IT IS NOT A U.S. PERSON, IS NOT ACQUIRING THIS SECURITY FOR THE ACCOUNT OR BENEFIT OF A U.S. PERSON AND IS ACQUIRING THIS SECURITY
IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH REGULATION S UNDER THE SECURITIES ACT, (2) AGREES, FOR THE BENEFIT OF THE ISSUER,
THAT IT WILL NOT UNTIL THE DATE THAT IS [IN THE CASE OF RULE 144A NOTES: ONE YEAR AFTER THE LATER OF THE ORIGINAL ISSUE DATE HEREOF,
THE ORIGINAL ISSUE DATE OF THE ISSUANCE OF ANY ADDITIONAL NOTES AND THE LAST DATE ON WHICH THE ISSUER OR ANY AFFILIATE OF THE ISSUER
WAS THE OWNER OF THIS SECURITY (OR ANY PREDECESSOR OF SUCH SECURITY),] [IN THE CASE OF REGULATION S NOTES: 40 DAYS AFTER THE LATER
OF THE ORIGINAL ISSUE DATE HEREOF, THE ORIGINAL ISSUE DATE OF THE ISSUANCE OF ANY ADDITIONAL NOTES AND THE DATE ON WHICH THIS SECURITY
(OR ANY PREDECESSOR OF SUCH SECURITY) WAS FIRST OFFERED TO PERSONS OTHER THAN DISTRIBUTORS (AS DEFINED IN RULE 902 OF REGULATION
S) IN RELIANCE ON REGULATION S] OFFER, SELL OR OTHERWISE TRANSFER THIS SECURITY EXCEPT (A) TO THE ISSUER OR ANY SUBSIDIARY THEREOF,
(B) INSIDE THE UNITED STATES TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, (C) INSIDE
THE UNITED STATES TO AN INSTITUTIONAL “ACCREDITED INVESTOR” (AS DEFINED IN RULE 501(A)(1), (2), (3) OR (7) UNDER THE
SECURITIES ACT) (AN “ACCREDITED INVESTOR”) THAT, PRIOR TO SUCH TRANSFER, FURNISHES (OR HAS FURNISHED ON ITS BEHALF
BY A U.S. BROKER DEALER) TO THE TRUSTEE A SIGNED LETTER CONTAINING CERTAIN REPRESENTATIONS AND AGREEMENTS RELATING TO THE RESTRICTIONS
ON TRANSFER OF THE NOTES (THE FORM OF WHICH LETTER CAN BE OBTAINED FROM SUCH TRUSTEE), (D) OUTSIDE THE UNITED STATES IN AN OFFSHORE
TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT (IF AVAILABLE), (E) PURSUANT TO THE EXEMPTION FROM REGISTRATION
PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE) (PROVIDED THAT PRIOR TO SUCH TRANSFER, THE ISSUER MAY REQUIRE AN OPINION
OF COUNSEL THAT SUCH TRANSFER IS IN COMPLIANCE WITH THE SECURITIES ACT), (F) IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION
REQUIREMENTS OF THE SECURITIES ACT (PROVIDED THAT PRIOR TO SUCH TRANSFER, THE ISSUER MAY REQUIRE AN OPINION OF COUNSEL THAT SUCH
TRANSFER IS IN COMPLIANCE WITH THE SECURITIES ACT), OR (G) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES
ACT AND, IN EACH CASE DESCRIBED IN CLAUSES (A) THROUGH (G), IN ACCORDANCE WITH ANY APPLICABLE SECURITIES LAWS OF THIS UNITED STATES
OR ANY OTHER APPLICABLE JURISDICTION, AND (3) AGREES, FOR THE BENEFIT OF THE ISSUER, THAT IT WILL GIVE TO EACH PERSON TO WHOM THIS
SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. AS USED HEREIN, THE TERMS “OFFSHORE TRANSACTION,”
 “UNITED STATES” AND “U.S. PERSON” HAVE THE MEANING GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT.

 

    Exh. 1-1-1

     

    

 

Each certificate evidencing a Note offered in reliance on Regulation
S shall, in addition to the foregoing, bear a legend in substantially the following form:

 

[Restricted Notes Legend
for Notes Offered in Reliance on Regulation S]

 

THIS NOTE (OR ITS PREDECESSOR) WAS
ORIGINALLY ISSUED IN A TRANSACTION ORIGINALLY EXEMPT FROM REGISTRATION UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES
ACT”), AND MAY NOT BE TRANSFERRED IN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, ANY U.S. PERSON EXCEPT PURSUANT
TO AN AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND ALL APPLICABLE STATE SECURITIES LAWS. TERMS
USED ABOVE HAVE THE MEANING GIVEN TO THEM IN REGULATION S UNDER THE SECURITIES ACT.

 

[Definitive Notes Legend]

 

IN CONNECTION WITH ANY TRANSFER, THE HOLDER
WILL DELIVER TO THE REGISTRAR AND TRANSFER AGENT SUCH CERTIFICATES AND OTHER INFORMATION AS SUCH TRANSFER AGENT MAY REASONABLY
REQUIRE TO CONFIRM THAT THE TRANSFER COMPLIES WITH THE FOREGOING RESTRICTIONS.

 

    

     

    

 

	No.	 	 	$	 	 

 

[CUSIP No.] / [ISIN]

 

BWX Technologies, Inc., a Delaware corporation,
promises to pay to [●]2, or registered assigns, the principal sum of $[●]3 on June 30, 2028.

 

Interest Payment Dates: June 30 and December
30.

 

Regular Record Dates: June 15 and December
15.

 

Additional provisions of this Note are set
forth on the other side of this Note.

 

 

	BWX TECHNOLOGIES, INC.	 
	 
	 	By:	            	 	 
	 	Name:	 
	 	Title:	 

 

TRUSTEE’S CERTIFICATE OF AUTHENTICATION

 

Dated:

 

This is one of the Notes designated therein referred to in the
within-mentioned Indenture.

 

U.S.
BANK NATIONAL ASSOCIATION, as Trustee,

 

	By:	 	 	 
	 	Authorized Signatory	 

 

 

		2	For Global Notes insert: Cede & Co.

 

		3	For Global Notes insert: set forth on the Schedule of Increases or Decreases of Global Note attached hereto.

 

 

    

     

    

 

[FORM
OF REVERSE SIDE OF INITIAL NOTE]

4.125% Senior Note due 2028

 

1.            Principal and
Interest.

 

The Issuer will pay the principal of this
Note on June 30, 2028.

 

The Issuer promises to pay interest on the
principal amount of this Note on each Interest Payment Date, as set forth below, at the rate of 4.125% per annum (subject to adjustment
as provided below).

 

Interest will be payable semi-annually (to
the Holders of record of the Notes (or any Predecessor Notes) at the close of business on June 15 or December 15 immediately preceding
the Interest Payment Date) on each Interest Payment Date, commencing December 30, 2020.

 

Interest on this Note will accrue from the
most recent date to which interest has been paid or, if no interest has been paid, from June 12, 2020; provided that, if
there is no existing default in the payment of interest and if this Note is authenticated between a Regular Record Date referred
to on the face hereof and the next succeeding Interest Payment Date, interest shall accrue from such Interest Payment Date. Interest
will be computed on the basis of a 360-day year of twelve 30-day months.

 

The Issuer shall pay interest on overdue
principal and premium, if any, and interest on overdue installments of interest, to the extent lawful, at a rate per annum equal
to the rate of interest applicable to the Notes.

 

2.             Method of Payment.

 

The Issuer will pay interest (except Defaulted
Interest) on the principal amount of the Notes on each June 30 and December 30 to the Persons who are Holders (as reflected in
the Note Register at the close of business on June 15 and December 15 immediately preceding the Interest Payment Date), in each
case, even if the Note is cancelled on registration of transfer or registration of exchange after such Regular Record Date; provided
that, with respect to the payment of principal, the Issuer will make payment to the Holder that surrenders this Note to any
Paying Agent on or after June 30, 2028.

 

The Issuer will pay principal (and premium,
if any) and interest in U.S. dollars. However, the Issuer may pay principal (and premium, if any) and interest by its check payable
in such money. The Issuer may pay interest on the Notes either (a) by mailing a check for such interest to a Holder’s registered
address (as reflected in the Note Register) or (b) by wire transfer to an account located in the United States maintained by the
payee. If a payment date is a date other than a Business Day at a place of payment, payment may be made at that place on the next
succeeding day that is a Business Day and no interest shall accrue for the intervening period.

 

3.             Paying Agent
and Note Registrar.

 

The Issuer initially appoints U.S. Bank
National Association, in New York as Paying Agent and Note Registrar. The Issuer may change any Paying Agent or Note Registrar
upon written notice thereto. The Issuer, any Subsidiary or any Affiliate of any of them may act as Paying Agent, Note Registrar
or co-registrar.

 

4.             Indenture.

 

The Issuer issued the Notes under an Indenture
dated as of June 12, 2020 (the “Indenture”), among the Issuer, the Guarantors and the Trustee. Capitalized terms
herein are used as defined in the Indenture unless otherwise indicated. The terms of the Notes include those stated in the Indenture
and those made part of the Indenture by reference to the Trust Indenture Act. The Notes are subject to all such terms, and Holders
are referred to the Indenture and the Trust Indenture Act (to the extent applicable) for a statement of all such terms. To the
extent permitted by applicable law, in the event of any inconsistency between the terms of this Note and the terms of the Indenture,
the terms of the Indenture shall control.

 

    

     

    

 

The Notes are unsecured senior obligations
of the Issuer. The Indenture does not limit the aggregate principal amount of the Notes.

 

5.             Redemption.

 

Optional
Redemption. At any time prior to June 30, 2023, the Issuer may redeem all or a part of the Notes, upon notice as described
in Section 1105 of the Indenture, at a Redemption Price equal to 100% of the principal amount of Notes redeemed plus the Applicable
Premium as of, and accrued and unpaid interest, if any, to, but excluding, the Redemption Date, subject to the rights of Holders
of record of Notes on the relevant Regular Record Date to receive interest due on the relevant Interest Payment Date.

 

On and after June 30, 2023, the Issuer may
redeem the Notes, in whole or in part, upon notice as described in Section 1105 of the Indenture, at the Redemption Prices (expressed
as percentages of principal amount of the Notes to be redeemed) set forth below, plus accrued and unpaid interest, if any, to,
but excluding, the applicable Redemption Date, subject to the right of Holders of record of Notes on the relevant Regular Record
Date to receive interest due on the relevant Interest Payment Date, if redeemed during the twelve-month period beginning on June
30, of each of the years indicated below:

 

	Year	 	 	Percentage	 
	2023	 	 	 	102.063	%
	2024	 	 	 	101.031	%
	2025 and thereafter 	 	 	 	100.000	%

 

In addition, until June 30, 2023, the Issuer
may, at its option, upon notice as described in Section 1105 of the Indenture, on one or more occasions redeem up to 40% of the
aggregate principal amount of Notes issued under the Indenture at a Redemption Price equal to 104.125% of the aggregate principal
amount thereof, plus accrued and unpaid interest thereon, if any, to, but excluding, the applicable Redemption Date, subject
to the right of Holders of record of Notes on the relevant Regular Record Date to receive interest due on the relevant Interest
Payment Date, with the net cash proceeds of one or more Equity Offerings to the extent such net cash proceeds are received by or
contributed to the Issuer; provided that at least 50% of the sum of the aggregate principal amount of Notes originally issued
under the Indenture (including any Additional Notes issued under the Indenture after the Issue Date) remains outstanding immediately
after the occurrence of each such redemption; provided, further, that each such redemption occurs within 120 days
of the date of closing of each such Equity Offering.

 

6.             Repurchase upon
a Change of Control and Asset Sales.

 

Upon the occurrence of (a) a Change of Control,
the Holders of the Notes will have the right to require that the Issuer purchase such Holder’s outstanding Notes, in whole
or in part, at a purchase price of 101% of the principal amount thereof, plus accrued and unpaid interest, if any, to, but excluding,
the date of purchase and (b) Asset Sales, the Issuer may be obligated to make offers to purchase Notes and Senior Indebtedness
of the Issuer with a portion of the Net Proceeds of such Asset Sales at a Redemption Price of 100% of the principal amount thereof
plus accrued and unpaid interest, if any, to, but excluding, the date of purchase.

 

7.             Denominations;
Transfer; Exchange.

 

The Notes are in registered form without
coupons in denominations of $2,000 principal amount and integral multiples of $1,000 in excess thereof. A Holder may transfer or
exchange Notes in accordance with the Indenture. The Note Registrar and the Trustee may require a Holder, among other things, to
furnish appropriate endorsements and transfer documents and the Issuer may require a Holder to pay any taxes and fees required
by law or permitted by the Indenture. The Issuer is not required to transfer or exchange any Notes selected for redemption or tendered
(and not withdrawn) for repurchase in connection with a Change of Control Offer, an Asset Sale Offer or other tender offer. Also,
the Issuer is not required to transfer or exchange any Notes for a period of 15 days before a selection of Notes to be redeemed
or within 15 days before an Interest Payment Date.

 

    

     

    

 

 

8.            Persons Deemed
Owners.

 

A registered Holder shall be treated as
the owner of a Note for all purposes.

 

9.           Unclaimed Money.

 

If money for the payment of principal (premium,
if any) or interest remains unclaimed for two years, the Trustee and the Paying Agent will pay the money back to the Issuer at
its written request. After that, Holders entitled to the money must look to the Issuer for payment, unless an abandoned property
law designates another Person, and all liability of the Trustee and such Paying Agent with respect to such money shall cease.

 

10.         Discharge and
Defeasance Prior to Redemption or Maturity.

 

If the Issuer irrevocably deposits, or causes
to be deposited, with the Trustee money or Government Securities sufficient to pay the then outstanding principal of (premium,
if any) and accrued interest on the Notes (a) to the Redemption Date or Maturity, the Issuer will be discharged from its obligations
under the Indenture and the Notes, except in certain circumstances for certain covenants thereof, and (b) to the Stated Maturity,
the Issuer will be discharged from certain covenants set forth in the Indenture.

 

11.         Amendment; Supplement;
Waiver.

 

Subject to certain exceptions, the Indenture,
the Notes and any related Guarantee may be amended or supplemented with the consent of the Holders of at least a majority in aggregate
principal amount of the Outstanding Notes, including consents obtained in connection with a purchase of, or tender offer or exchange
offer for the Notes, and any existing Default or Event of Default or compliance with any provision of the Indenture or the Notes
may be waived with the consent of the Holders of a majority in aggregate principal amount of the Outstanding Notes, including consents
obtained in connection with a purchase of, or tender offer or exchange offer for, Notes, other than Notes beneficially owned by
the Issuer or its Affiliates. Without notice to or the consent of any Holder, the parties thereto may amend or supplement the Indenture
or the Notes to, among other things, cure any ambiguity, omission, mistake, defect or inconsistency and make any change that does
not adversely affect the rights of any Holder. For purposes of determining whether any Holder shall be disregarded for purposes
of such consent, only Notes which a Responsible Officer of the Trustee actually knows to be beneficially owned by the Issuer or
its Affiliates shall be disregarded.

 

12.          Restrictive
Covenants.

 

The Indenture contains certain covenants,
including covenants with respect to the following matters: (i) Restricted Payments; (ii) incurrence of Indebtedness and Issuance
of Disqualified Stock; (iii) Liens; (iv) transactions with Affiliates; (v) dividend and other payment restrictions affecting Restricted
Subsidiaries; (vi) guarantees of Indebtedness by Restricted Subsidiaries; (vii) merger and certain transfers of assets; (viii)
purchase of Notes upon a Change of Control; and (ix) disposition of proceeds of Asset Sales. Within 120 days (or the successor
time period then in effect under the rules and regulations of the Exchange Act) after the end of each fiscal year, the Issuer must
report to the Trustee on compliance with such limitations.

 

13.          Successor Persons.

 

When a successor Person or other entity
assumes all the obligations of its predecessor under the Notes and the Indenture, the predecessor Person will be released from
those obligations.

 

14.          Remedies for
Events of Default.

 

If an Event of Default, as defined in the
Indenture, occurs and is continuing, the Trustee or the Holders of at least 25% in principal amount of the Outstanding Notes may
declare all the Notes to be immediately due and payable. If a bankruptcy or insolvency default with respect to the Issuer occurs
and is continuing, the Notes automatically become immediately due and payable. Subject to the provisions of the Indenture relating
to the duties of the Trustee, in case an Event of Default occurs and is continuing, the Trustee shall be under no obligation to
exercise any rights or powers under the Indenture at the request or direction of any of the Holders of the Notes unless such Holders
have offered indemnity or security against any loss, liability or expense satisfactory to the Trustee. Subject to certain restrictions,
the Holders of a majority in principal amount of the Outstanding Notes are given the right to direct the time, method and place
of conducting any proceeding for any remedy available to the Trustee or of exercising any trust or power conferred on the Trustee.
The Trustee, however, may refuse to follow any direction that conflicts with law or the Indenture or that the Trustee determines
is unduly prejudicial to the rights of any other Holder or that would involve the Trustee in personal liability.

 

    	 		 

     

    

 

15.         Guarantees.

 

The Issuer’s obligations under the
Notes are fully, irrevocably and unconditionally guaranteed on a senior unsecured basis, to the extent set forth in the Indenture,
by each of the Guarantors.

 

16.          Trustee Dealings
with Issuer.

 

The Trustee under the Indenture, in its
individual or any other capacity, may become the owner or pledgee of Notes and may make loans to, accept deposits from, perform
services for, and otherwise deal with, the Issuer and its Affiliates as if it were not the Trustee.

 

17.          Authentication.

 

This Note shall not be valid until the Trustee
manually signs the certificate of authentication on the other side of this Note.

 

18.          Abbreviations.

 

Customary abbreviations may be used in the name of a Holder
or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right
of survivorship and not as tenants in common), CUST (= Custodian) and U/G/M/A (= Uniform Gifts to Minors Act).

 

19.          CUSIP Numbers.

 

Pursuant to a recommendation promulgated
by the Committee on Uniform Security Identification Procedures, the Issuer has caused CUSIP numbers to be printed on the Notes
and the Trustee may use CUSIP numbers in notices as a convenience to Holders. No representation is made as to the accuracy of such
numbers either as printed on the Notes or as contained in any notice and reliance may be placed only on the other identification
numbers placed thereon.

 

20.          Governing Law.

 

THIS SECURITY SHALL BE GOVERNED BY, AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. THE PARTIES HERETO AGREE TO SUBMIT TO THE JURISDICTION OF ANY
UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING
OUT OF OR RELATING TO THIS SECURITY OR THE INDENTURE.

 

The
Issuer will furnish to any Holder upon written request and without charge a copy of the Indenture. Requests may be made to BWX
Technologies, Inc., 800 Main Street, 4th Floor, Lynchburg, VA 24504.

 

Capitalized terms used herein but not defined
herein shall have the meanings given to such terms in the Indenture.

  

    	 		 

     

    

 

ASSIGNMENT FORM

 

To assign this Note, fill in the form below:

 

I or we assign and transfer this Note to

 

(Print or type assignee’s name, address
and zip code)

 

(Insert assignee’s soc. sec. or tax
I.D. No.)

 

and irrevocably appoint                 
agent to transfer this Note on the books of the Issuer. The agent may substitute another to act for him.

 

                                                                                                                 

 

Date:                 Your
Signature:                                                              

 

Sign
exactly as your name appears on the other side of this Note.

 

In connection with any transfer of any of the Notes evidenced
by this certificate occurring prior to the date that is one year after the later of the date of original issuance of such Notes
and the last date, if any, on which such Notes were owned by the Issuer or any “Affiliate” of the Issuer within the
meaning of the Securities Act of 1933, as amended (the “Securities Act”), the undersigned confirms that such Notes
are being transferred in accordance with its terms:

 

CHECK ONE BOX BELOW

 

 ̈
to the Issuer; or

 

		(1)	 ̈pursuant to an effective registration statement under
the Securities Act; or

 

		(2)	 ̈inside the United States to a “qualified institutional
buyer” (as defined in Rule 144A under the Securities Act) that purchases for its own account or for the account of a qualified
institutional buyer to whom notice is given that such transfer is being made in reliance on Rule 144A, in each case pursuant to
and in compliance with Rule 144A under the Securities Act; or

 

		(3)	 ̈outside the United States in an offshore transaction
within the meaning of Regulation S under the Securities Act in compliance with Rule 904 under the Securities Act; or

 

		(4)	 ̈pursuant to the exemption from registration provided
by Rule 144 under the Securities Act; or

 

		(5)	 ̈to an institutional “accredited investor”
(as defined in Rule 501(a)(1), (2), (3) or (7) under the Securities Act) that has furnished to the Trustee a signed letter containing
certain representations and agreements relating to the transfer of this Note (the form of which can be obtained from the Trustee)
and, if such transfer is in respect of an aggregate principal amount of Notes less than $250,000, an opinion of counsel acceptable
to the Issuer that such transfer is in compliance with the Securities Act.

 

Unless one of the boxes is checked, the Trustee will refuse
to register any of the Notes evidenced by this certificate in the name of any person other than the registered holder thereof;
provided, that if box (4) is checked, the Trustee shall be entitled to require, prior to registering any such transfer of
the Notes, such legal opinions, certifications and other information as the Issuer has reasonably requested to confirm that such
transfer is being made pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the
Securities Act, such as the exemption provided by Rule 144 under such Act.

 

    	 		 

     

    

 

	                                    	 	 	 
	Signature	 	 
	 	 	 
	Signature Guarantee:	 	 
	 	 	 
	                                   	 	 	         	 
	Signature must be guaranteed	 	Signature

 

Signatures must be guaranteed by an “eligible
guarantor institution” meeting the requirements of the Note Registrar, which requirements include membership or participation
in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program”
as may be determined by the Note Registrar in addition to, or in substitution for, STAMP, all in accordance with the Securities
Exchange Act of 1934, as amended.

 

    	 		 

     

    

 

TO BE COMPLETED BY PURCHASER IF (2) ABOVE
IS CHECKED.

 

The undersigned represents and warrants
that it is purchasing this Note for its own account or an account with respect to which it exercises sole investment discretion
and that it and any such account is a “qualified institutional buyer” within the meaning of Rule 144A under the Securities
Act, and is aware that the sale to it is being made in reliance on Rule 144A and acknowledges that it has received such information
regarding the Issuer as the undersigned has requested pursuant to Rule 144A or has determined not to request such information and
that it is aware that the transferor is relying upon the undersigned’s foregoing representations in order to claim the exemption
from registration provided by Rule 144A.

 

	Dated:	 	 	 	 
		 	Notice: To be executed by
		 	an executive officer

 

    	 		 

     

    

 

[TO BE ATTACHED TO GLOBAL NOTES]

 

SCHEDULE OF INCREASES OR DECREASES IN GLOBAL
NOTE

The following increases or decreases in this Global Note have been made:

 

	Date of
 Exchange	 	Amount of decrease

 in Principal amount of

 this Global Note	 	Amount of increase

 in Principal amount

 of this Global Note	 	Principal amount

 of this Global

 Note following

 such decrease or 

increase	 	Signature of 

authorized 

signatory of Trustee

 or Notes Custodian
	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 

 

    	 		 

     

    

 

OPTION OF HOLDER TO ELECT PURCHASE

 

If you want to elect to have this Note purchased
by the Issuer pursuant to Section 1016 or 1017 of the Indenture, check the box:  ̈

 

 ̈                  
If you want to elect to have only part of this Note purchased by the Issuer pursuant to Section 1016 or 1017 of the Indenture,
state the amount in principal amount: $

 

 

	Dated:	 	 	 	Your Signature:	 
	 	 	 	 	 	(Sign
exactly as your name appears on the other side of this Note)

 

	 
	Signature Guarantee:                                                                                                                                                                                                                                            
	(Signature must be guaranteed)

 

Signatures must be guaranteed by an “eligible guarantor
institution” meeting the requirements of the Note Registrar, which requirements include membership or participation in the
Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may
be determined by the Note Registrar in addition to, or in substitution for, STAMP, all in accordance with the Securities Exchange
Act of 1934, as amended.

 

    	 		 

     

    

 

EXHIBIT 2

to Annex 1

 

Form of

Transferee Letter of Representation

 

BWX Technologies, Inc.

800 Main Street

4th Floor

Lynchburg, VA 24504

 

[U.S. Bank National Association

EP-MN-WS3C

60 Livingston Avenue

Saint Paul, MN 55107

Attention:
Global Corporate Trust Services]6

Ladies and Gentlemen:

 

This certificate is delivered to request
a transfer of $______ principal amount of the 4.125% Senior Notes Due 2028 (the “Notes”) of BWX Technologies,
Inc., a Delaware corporation (the “Issuer”).

 

Upon transfer, the Notes would be registered
in the name of the new beneficial owner as follows:

 

	Name:	 	 

 

	Address:	 	 

 

	Taxpayer ID Number:	 	 

 

The undersigned represents and warrants
to you that:

 

1.       We
are an institutional “accredited investor” (as defined in Rule 501(a)(1), (2), (3) or (7) under the Securities Act
of 1933, as amended (the “Securities Act”)), purchasing for our own account or for the account of such an institutional
 “accredited investor” at least $250,000 principal amount of the Notes, and we are acquiring the Notes not with a view
to, or for offer or sale in connection with, any distribution in violation of the Securities Act. We have such knowledge and experience
in financial and business matters as to be capable of evaluating the merits and risks of our investment in the Notes, and we invest
in or purchase securities similar to the Notes in the normal course of our business. We, and any accounts for which we are acting,
are each able to bear the economic risk of our or its investment.

 

 

6
NTD: Trustee to confirm.

 

    	 	Exh. 2-1-1	 

     

    

 

2.       We
understand that the Notes have not been registered under the Securities Act and, unless so registered, may not be sold except as
permitted in the following sentence. We agree on our own behalf and on behalf of any investor account for which we are purchasing
Notes to offer, sell or otherwise transfer such Notes prior to the date that is two years after the later of the date of original
issue and the last date on which the Issuer or any affiliate of the Issuer was the owner of such Notes (or any predecessor thereto)
(the “Resale Restriction Termination Date”) only (i) to the Issuer or any subsidiary thereof, (ii) in the United
States to a person whom the seller reasonably believes is a qualified institutional buyer in a transaction meeting the requirements
of Rule 144A, (iii) to an institutional “accredited investor” within the meaning of Rule 501(a)(1), (2), (3) or (7)
under the Securities Act that is an institutional accredited investor purchasing for its own account or for the account of an institutional
accredited investor, in each case in a minimum principal amount of the Notes of $250,000, (iv) outside the United States in a transaction
complying with the provisions of Regulation S under the Securities Act, (v) pursuant to an exemption from registration under the
Securities Act provided by Rule 144 (if available) or (vi) pursuant to an effective registration statement under the Securities
Act, in each of cases (i) through (vi) subject to any requirement of law that the disposition of our property or the property of
such investor account or accounts be at all times within our or their control and in compliance with any applicable securities
law of any state of the United States or other jurisdiction. The foregoing restrictions on resale will not apply subsequent to
the Resale Restriction Termination Date. If any resale or other transfer of the Notes is proposed to be made pursuant to clause
(iii) above prior to the Resale Restriction Termination Date, the transferor shall deliver a letter from the transferee substantially
in the form of this letter to the Issuer and the Trustee, which shall provide, among other things, that the transferee is an institutional
 “accredited investor” within the meaning of Rule 501(a)(1), (2), (3) or (7) under the Securities Act and that it is
acquiring such Notes for investment purposes and not for distribution in violation of the Securities Act. Each purchaser acknowledges
that the Issuer and the Trustee reserve the right prior to the offer, sale or other transfer prior to the Resale Restriction Termination
Date of the Notes pursuant to clause (iii), (iv) or (v) above to require the delivery of an opinion of counsel, certifications
or other information satisfactory to the Issuer and the Trustee.

 

		 	TRANSFEREE:	 

 

 

	 	 	By:	 

 

    	 		 

     

    

	 
	EXHIBIT A

 

FORM OF SUPPLEMENTAL INDENTURE

TO BE DELIVERED BY SUBSEQUENT GUARANTORS

 

SUPPLEMENTAL INDENTURE (this “Supplemental
Indenture”), dated as of ______________, 20__, among BWX Technologies, Inc. (the “Issuer”), (__________________),
(the “Guaranteeing Subsidiary”), a subsidiary of the Issuer and U.S. Bank National Association, as trustee under
the Indenture referred to below (the “Trustee”).

 

W I T N E S S E T H

 

WHEREAS, the Issuer has heretofore executed
and delivered to the Trustee an indenture (the “Indenture”), dated as of June 12, 2020 providing for the issuance
of 4.125% Senior Notes due 2028 (the “Notes”);

 

WHEREAS, the Indenture provides that under
certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a supplemental indenture pursuant to
which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Issuer’s Obligations under the Notes and the
Indenture on the terms and conditions set forth herein (the “Guarantee”); and

 

WHEREAS, pursuant to Section 901 of the
Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture.

 

NOW, THEREFORE, in consideration of the
foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged, the Guaranteeing Subsidiary
and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows:

 

1.       CAPITALIZED
TERMS. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

 

2.       AGREEMENT
TO GUARANTEE. The Guaranteeing Subsidiary hereby agrees to provide an unconditional Guarantee on the terms and subject to the conditions
set forth in the Indenture including but not limited to Article 12 thereof.

 

3.       NO
RECOURSE AGAINST OTHERS. No past, present or future director, officer, employee, incorporator, stockholder or agent of the Guaranteeing
Subsidiary, as such, shall have any liability for any obligations of the Issuer or any Guaranteeing Subsidiary under the Notes,
any Guarantees, the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligations
or their creation. Each Holder of the Notes by accepting a Note waives and releases all such liability. The waiver and release
are part of the consideration for issuance of the Notes. Such waiver may not be effective to waive liabilities under the federal
securities laws and it is the view of the SEC that such a waiver is against public policy.

 

4.       GOVERNING
LAW. THIS SUPPLEMENTAL INDENTURE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. THE PARTIES
HERETO AGREE TO SUBMIT TO THE JURISDICTION OF ANY UNITED STATES FEDERAL OR STATE COURT LOCATED IN THE BOROUGH OF MANHATTAN, IN
THE CITY OF NEW YORK IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS SUPPLEMENTAL INDENTURE.

 

5.       COUNTERPARTS.
The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an original, but all of them
together represent the same agreement. The exchange of copies of the Supplemental Indenture and of signature pages by facsimile
or PDF transmission shall constitute effective execution and delivery of the Supplemental Indenture as to the parties hereto and
may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile
or PDF shall be deemed to be their original signatures for all purposes.

 

6.       EFFECT
OF HEADINGS. The Section headings herein are for convenience or reference only and are not intended to be considered a part hereof
and shall not affect the construction hereof.

 

    	 	Exh. A-1	 

     

    

 

7.       THE
TRUSTEE. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this
Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing
Subsidiary and the Issuer.

 

    	 		 

     

    

 

IN WITNESS WHEREOF, the parties hereto have
caused this Supplemental Indenture to be duly executed, all as of the date first above written.

 

	Dated:                                        ,
    20         	 	
	 	 	 
		 	BWX TECHNOLOGIES, INC.
	 	 	 
	 	 	 
		 	By:	 
		 	 	Name:
		 	 	Title:
	 	 	 
	 	 	 
		 	[GUARANTEEING SUBSIDIARY]
	 	 	 
	 	 	 
		 	By:	 
		 	 	Name:
		 	 	Title:
	 	 	 
	 	 	 
		 	U.S. BANK NATIONAL ASSOCIATION, as Trustee
	 	 	 
	 	 	 
		 	By:	 
		 	 	Name:
		 	 	Title:

 

    	 		 

     

    

	 
	EXHIBIT
    B

 

INCUMBENCY CERTIFICATE

 

The undersigned,_______________________,
being the __________________of ___________________ (the “Issuer”) does hereby certify that the individuals listed
below are qualified and acting officers of the Issuer and the signatures appearing in the right column opposite the name of each
such officer is a true specimen of the genuine signature of such officer and such individuals have the authority to execute documents
to be delivered to, or upon the request of, U.S. Bank National Association, as Trustee under the Indenture dated as of June 12,
2020, by and among the Issuer, the Guarantors party thereto and U.S. Bank National Association.

 

	Name	 	Title:	 	Signature
	 	 	 	 	 
	 	 	 	 	 
	 	 	 	 	 

 

 

IN WITNESS WHEREOF, the undersigned has
duly executed and delivered this Certificate as of the _______ day of ______________________, 20__.

 

 

		
	 	 
		Name:
	 	Title:

 

    	 	Exh. B-1

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