Document:

EX-4.3

 Exhibit 4.3 

$390,000,000 
 Acadia
Healthcare Company, Inc. 
 6.500% Senior Notes due 2024 

REGISTRATION RIGHTS AGREEMENT 

February 16, 2016 
 MERRILL
LYNCH, PIERCE, FENNER & SMITH 

                         
INCORPORATED 
 JEFFERIES LLC 

As Representatives of the Initial Purchasers 

c/o Merrill Lynch, Pierce, Fenner & Smith Incorporated 

One Bryant Park 
 New York, New York 10036 

c/o Jefferies LLC 
 520 Madison Avenue 

New York, New York 10022 
 Ladies and Gentlemen: 

Acadia Healthcare Company, Inc., a Delaware corporation (the “Company”), is issuing and selling to Merrill Lynch, Pierce,
Fenner & Smith Incorporated, Jefferies LLC and the other several initial purchasers (the “Initial Purchasers”) named in Schedule I of the Purchase Agreement dated February 4, 2016 (the “Purchase
Agreement”), by and among the Company, the guarantors named therein and Merrill Lynch, Pierce, Fenner & Smith Incorporated and Jefferies LLC, as representatives (the “Representatives”) of the several Initial
Purchasers, upon the terms set forth in the Purchase Agreement, $390,000,000 aggregate principal amount of 6.500% Senior Notes due 2024 issued by the Company (each, a “Note” and collectively, the “Notes”). As an
inducement to the Initial Purchasers to enter into the Purchase Agreement, the Company and the Guarantors agree with the Initial Purchasers, for the benefit of the Holders (as defined below) of the Notes (including, without limitation, the Initial
Purchasers), as follows: 
 Section 1. Definitions. 

Capitalized terms that are used herein without definition and are defined in the Purchase Agreement shall have the respective meanings ascribed
to them in the Purchase Agreement. As used in this Agreement, the following terms shall have the following meanings: 
 “Additional
Interest.” See Section 4(a). 

 “Advice.” See Section 6(u). 

“Agreement.” This Registration Rights Agreement, dated as of the Closing Date, among the Company, the Guarantors and the
Initial Purchasers. 
 “Applicable Period.” See Section 2(e). 

“Business Day.” A day that is not a Saturday, a Sunday or a day on which banking institutions in the City of New York are
authorized or required by law or executive order to be closed. 
 “Closing Date.” February 16, 2016. 

“Company.” See the introductory paragraph to this Agreement. 

“Day.” Unless otherwise expressly provided, a calendar day. 

“Effectiveness Date.” The 450th day after the Closing Date. 

“Effectiveness Period.” See Section 3(a). 

“Exchange Act.” The Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC promulgated
thereunder. 
 “Exchange Notes.” 6.500% Senior Notes due 2024 of the Company, registered under the Securities Act, to be
issued under the Indenture, which Exchange Notes shall be identical in all material respects to the Notes, including the guarantees relating thereto, if any, except for provisions relating to series, restrictive legends and Additional Interest. 

“Exchange Offer.” See Section 2(a). 

“Exchange Registration Statement.” See Section 2(a). 

“Filing Date.” The 360th day after the Closing Date. 

“FINRA.” Financial Industry Regulatory Authority, Inc. 

“Guarantor.” Each subsidiary of the Company that guarantees the obligations of the Company under the Notes and the Indenture.

 “Holder.” Any registered holder of Registrable Notes, unless the context requires beneficial holder of Registrable
Notes. 
 “Indemnified Party.” See Section 8(c). 

“Indemnifying Party.” See Section 8(c). 

  
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 “Indenture.” The Indenture, dated as of the Closing Date, among the Company, the
Guarantors and U.S. Bank National Association, as trustee, pursuant to which the Notes are being issued, as amended or supplemented from time to time in accordance with the terms hereof. 

“Initial Purchasers.” See the introductory paragraph to this Agreement. 

“Initial Shelf Registration.” See Section 3(a). 

“Inspectors.” See Section 6(o). 

“Losses.” See Section 8(a). 

“Notes.” See the introductory paragraph to this Agreement. 

“Participating Broker-Dealer.” See Section 2(e). 

“Person.” An individual, trustee, corporation, partnership, limited liability company, joint stock company, trust,
unincorporated association, union, business association, firm, government or agency or political subdivision thereof, or other legal entity. 

“Prospectus.” The prospectus included in any Registration Statement (including, without limitation, a prospectus that
discloses information previously omitted from a prospectus filed as part of an effective registration statement in reliance upon Rule 430A promulgated under the Securities Act), as amended or supplemented by any prospectus supplement filed by the
Company with the SEC, with respect to the terms of the offering of any portion of the Registrable Notes covered by such Registration Statement, and all other amendments and supplements filed by the Company with the SEC to the Prospectus, including
post-effective amendments, and all material incorporated by reference or deemed to be incorporated by reference in such Prospectus. 

“Purchase Agreement.” See the introductory paragraph to this Agreement. 

“Records.” See Section 6(o). 

“Registration Default.” See Section 4(a). 

“Registrable Notes.” Notes; provided, however, that a Note shall cease to be a Registrable Note upon the
earliest to occur of the following: (i) in the circumstances contemplated by Section 2(a), the Note has been exchanged for an Exchange Note in an Exchange Offer as contemplated in Section 2(a); (ii) in the circumstances contemplated by
Section 3, a Shelf Registration registering such Note under the Securities Act has been declared or becomes effective and such Note has been sold or otherwise transferred by the holder thereof pursuant to and in a manner contemplated by such
effective Shelf Registration; (iii) such Note is actually sold by the holder thereof pursuant to Rule 144 under circumstances in which any legend borne by such Note relating to restrictions on transferability thereof, under the Securities Act
or otherwise, is removed by the Company or pursuant to the Indenture; or (iv) such Note shall cease to be outstanding. 

  
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 “Registration Statement.” Any registration statement of the Company and the
Guarantors filed with the SEC under the Securities Act (including, but not limited to, the Exchange Registration Statement, the Initial Shelf Registration and any subsequent Shelf Registration) that covers any of the Registrable Notes pursuant to
the provisions of this Agreement, including the Prospectus, amendments and supplements to such registration statement, including post-effective amendments, all exhibits and all material incorporated by reference or deemed to be incorporated by
reference in such registration statement. 
 “Representatives.” See the introductory paragraph to this Agreement. 

“Rule 144.” Rule 144 promulgated under the Securities Act, as such Rule may be amended from time to time, or any similar rule
(other than Rule 144A) or regulation hereafter adopted by the SEC providing for offers and sales of securities made in compliance therewith resulting in offers and sales by subsequent holders that are not affiliates of an issuer or such securities
being free of the registration and prospectus delivery requirements of the Securities Act. 
 “Rule 144A.” Rule 144A
promulgated under the Securities Act, as such Rule may be amended from time to time, or any similar rule (other than Rule 144) or regulation hereafter adopted by the SEC. 

“Rule 415.” Rule 415 promulgated under the Securities Act, as such Rule may be amended from time to time, or any similar rule
or regulation hereafter adopted by the SEC. 
 “Rule 430A.” Rule 430A promulgated under the Securities Act, as such Rule
may be amended from time to time, or any similar rule or regulation hereafter adopted by the SEC. 
 “SEC.” The United
States Securities and Exchange Commission. 
 “Securities.” The Notes and the Exchange Notes. 

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

 “Shelf Effectiveness Date.” The date that is the 90th day after the receipt of the relevant Shelf Notice. 

“Shelf Notice.” See Section 2(i). 

“Shelf Registration.” See Section 3(b). 

“Shelf Suspension Period.” See Section 3(e). 

  
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 “Subsequent Shelf Registration.” See Section 3(b). 

“TIA.” The Trust Indenture Act of 1939, as amended. 

“Trustee.” The trustee under the Indenture and, if existent, the trustee under any indenture governing the Exchange Notes.

 “Underwritten Registration” or “Underwritten Offering.” A registration in which securities of the
Company are sold to an underwriter for reoffering to the public. 
 Section 2. Exchange Offer. 

(a) Unless the Exchange Offer would not be permitted by applicable laws or a policy of the SEC, the Company shall (and shall cause each
Guarantor to) (i) prepare and file with the SEC, in no event later than the Filing Date, a registration statement (the “Exchange Registration Statement”) on an appropriate form under the Securities Act with respect to an offer
(the “Exchange Offer”) to the Holders of Notes to issue and deliver to such Holders, in exchange for the Notes, a like principal amount of Exchange Notes, (ii) use its commercially reasonable efforts to cause the Exchange
Registration Statement to become effective as promptly as practicable after the filing thereof, but in no event later than the Effectiveness Date, (iii) use its commercially reasonable efforts to keep the Exchange Registration Statement
effective until the consummation of the Exchange Offer in accordance with its terms, and (iv) commence the Exchange Offer and use its commercially reasonable efforts to issue on or prior to 60 Business Days after the date on which the Exchange
Registration Statement is declared effective, Exchange Notes in exchange for all Notes tendered prior thereto in the Exchange Offer. The Exchange Offer shall not be subject to any conditions, other than that the Exchange Offer does not violate
applicable law or any applicable interpretation of the staff of the SEC. 
 (b) The Exchange Notes shall be issued under, and entitled to
the benefits of, the Indenture or a trust indenture that is substantially identical to the Indenture (other than such changes as are necessary to comply with any requirements of applicable law or the SEC to effect or maintain the qualifications
thereof under the TIA). 
 (c) Interest on the Exchange Notes will accrue (i) from the later of (x) the last interest payment date
on which interest was paid on the Notes surrendered in exchange therefor or (y) if the Note is surrendered for exchange after the record date for an interest payment date to occur on or after the date of such exchange and as to which interest
will be paid, the date of such interest payment date or (ii) if no interest has been paid on the Notes, from the Closing Date. Each Exchange Note shall bear interest at the rate set forth thereon; provided, that interest with respect to
the period prior to the issuance thereof shall accrue at the rate or rates borne by the Notes from time to time during such period. 
 (d)
The Company may require each Holder as a condition to participation in the Exchange Offer to represent (i) that any Exchange Notes received by such Holder will be acquired in the ordinary course of its business, (ii) that at the time of
the commencement and consummation of the Exchange Offer such Holder has not entered into any 

  
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arrangement or understanding with any Person to participate in the distribution (within the meaning of the Securities Act) of the Exchange Notes in violation of the provisions of the Securities
Act, (iii) that if such Holder is an “affiliate” of the Company within the meaning of Rule 405 of the Securities Act, it will comply with the registration and prospectus delivery requirements of the Securities Act to the extent
applicable to it, (iv) if such Holder is not a broker-dealer, that it is not engaged in, and does not intend to engage in, the distribution of the Exchange Notes and (v) if such Holder is a Participating Broker-Dealer (as defined below),
that it will deliver a Prospectus in connection with any resale of the Exchange Notes. 
 (e) The Company shall (and shall cause each
Guarantor to) include within the Prospectus contained in the Exchange Registration Statement a section entitled “Plan of Distribution” reasonably acceptable to the Initial Purchasers, which shall contain all of the information that the SEC
may require with respect to the potential “underwriter” status of any broker-dealer that is the beneficial owner (as defined in Rule 13d-3 under the Exchange Act) of Exchange Notes received by such broker-dealer in the Exchange Offer for
its own account in exchange for Notes that were acquired by it as a result of market-making or other trading activity and from whom the Company has received written notice that such broker-dealer will be a Participating Broker-Dealer in the
applicable Exchange Offer (a “Participating Broker-Dealer”). Such “Plan of Distribution” section shall also allow, to the extent permitted by applicable policies and regulations of the SEC, the use of the Prospectus by all
Participating Broker-Dealers, and include a statement describing the manner in which Participating Broker-Dealers may resell the Exchange Notes. The Company shall use its commercially reasonable efforts to keep the Exchange Registration Statement
effective and to amend and supplement the Prospectus contained therein, in order to permit such Prospectus to be lawfully delivered by Participating Broker-Dealers for such period of time as such Persons must comply with such requirements in order
to resell the Exchange Notes; provided, that such period shall not exceed the lesser of 180 days and the date on which all Participating Broker Dealers have sold all Exchange Notes held by them (the “Applicable Period”). 

(f) In connection with the Exchange Offer, the Company shall (and shall cause each Guarantor to): 

(i) mail or cause to be mailed to each Holder of record a copy of the Prospectus forming part of the Exchange Registration
Statement, together with an appropriate letter of transmittal (substantially in the form attached as an exhibit to the Exchange Offer Registration Statement) and any related documents; 

(ii) keep the Exchange Offer open for not less than 20 Business Days after the date notice thereof is mailed to the Holders (or
longer if required by applicable law) 
 (iii) utilize the services of a depository for the Exchange Offer with an address in
the Borough of Manhattan, the City of New York, which may be the Trustee or an affiliate thereof; 

  
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 (iv) permit Holders to withdraw tendered Registrable Notes at any time prior to
the close of business, New York City time, on the last Business Day on which the Exchange Offer shall remain open; and 
 (v)
otherwise comply in all material respects with all applicable laws. 
 (g) As soon as practicable after the close of the Exchange Offer the
Company shall (and shall cause each Guarantor to): 
 (i) accept for exchange all Registrable Notes validly tendered pursuant
to the Exchange Offer and not validly withdrawn; 
 (ii) deliver or cause to be delivered to the Trustee for cancellation all
Registrable Notes so accepted for exchange; and 
 (iii) cause the Trustee to authenticate and deliver promptly to each
Holder validly tendering such Registrable Notes, Exchange Notes equal in principal amount to the Notes of such Holder so accepted for exchange. 

(h) The Exchange Notes may be issued under (i) the Indenture or (ii) an indenture substantially identical to the Indenture (other
than such changes as are necessary to comply with any requirements of the SEC to effect or maintain the qualification thereof under the TIA), which in either event will provide that the Exchange Notes will not be subject to the transfer restrictions
set forth in the Indenture, and that the Exchange Notes and the Notes, if any, will be deemed one class of security (subject to the provisions of the Indenture). 

(i) If: (i) prior to the consummation of the Exchange Offer, the Holders of a majority in aggregate principal amount of Registrable Notes
determines in its or their reasonable judgment that (A) upon the advice of counsel that the Exchange Notes would not, upon receipt, be tradeable by the Holders thereof without restriction under the Securities Act and the Exchange Act and
without material restrictions under applicable Blue Sky or state securities laws, or (B) the interests of the Holders under this Agreement, taken as a whole, would be materially adversely affected by the consummation of the Exchange Offer, and
in the case of (A) or (B), notifies the Company in writing of such determination; (ii) any change in law or in applicable interpretations of the staff of the SEC would not permit the consummation of the Exchange Offer prior to the Effectiveness
Date; (iii) subsequent to the consummation of the Exchange Offer, if any Initial Purchaser continues to hold any Notes for its own account, and such Initial Purchaser so requests; (iv) the Exchange Registration Statement is not declared
effective on or prior to the Effectiveness Date for any reason; or (v) in the case of (A) any Holder not permitted by applicable law or SEC policy to participate in the Exchange Offer, (B) any Holder participating in the Exchange
Offer that receives Exchange Notes that may not be sold without restriction under federal securities laws (other than due solely to the status of such Holder as an affiliate of the Company within the meaning of Rule 405 of the Securities Act) or
(C) any broker-dealer that holds Notes acquired by such broker-dealer directly from the Company or any of its affiliates and, in each such case 

  
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contemplated by clause (iii) or this clause (v), such Holder notifies the Company in writing within 20 Business Days of the consummation of the Exchange Offer, then the Company shall promptly
(and in any event within five Business Days of such notification) deliver to the Holders (or in the case of an occurrence of any event described in clause (v) of this Section 2(i), to any such Holder) and the Trustee notice thereof (the
“Shelf Notice”) and shall as promptly as practicable thereafter file an Initial Shelf Registration pursuant to Section 3. 

Section 3. Shelf Registration. 

If a Shelf Notice is delivered pursuant to Section 2(i) prior to the commencement of the Exchange Offer, then this Section 3 shall apply to all
Registrable Notes and the term “Shelf Notes” shall apply to all Registrable Notes. Otherwise, upon consummation of the Exchange Offer in accordance with Section 2, the provisions of Section 3 shall apply solely with respect to
(i) Notes held by any Holder thereof not permitted to participate in the Exchange Offer, (ii) Notes held by any broker-dealer that acquired such Notes directly from the Company or any of its affiliates and (iii) Exchange Notes that
are not freely tradeable, in each case as contemplated by Section 2(i)(v) hereof, provided that in each case that the relevant Holder has duly notified the Company within 20 Business Days of consummation of the Exchange Offer as required by
Section 2(i)(v), and the term “Shelf Notes” shall apply solely with respect to Registrable Notes held by such Holder. 
 (a)
Initial Shelf Registration. The Company shall (and shall cause each Guarantor to), as promptly as practicable, file with the SEC a Registration Statement for an offering to be made on a continuous basis pursuant to Rule 415 covering all of
the Shelf Notes (the “Initial Shelf Registration”). The Company shall (and shall cause each Guarantor to) use its commercially reasonable efforts to cause the Initial Shelf Registration to be declared effective as promptly as
practicable thereafter (but in no event later than the Shelf Effectiveness Date). The Initial Shelf Registration shall be on Form S-3 or another appropriate form permitting registration of such Shelf Notes for resale by Holders in the manner or
manners reasonably designated by them (including, without limitation, one or more Underwritten Offerings). The Company and Guarantors shall not permit any securities other than the Shelf Notes to be included in any Shelf Registration. The Company
shall (and shall cause each Guarantor to) use its commercially reasonable efforts to keep the Initial Shelf Registration continuously effective under the Securities Act until the date which is one year from the effectiveness date of the Initial
Shelf Registration (subject to extension pursuant to Section 3(e) or Section 6) (the “Effectiveness Period”), or such shorter period ending when (i) all Shelf Notes covered by the Initial Shelf Registration have been sold in
the manner contemplated in the Initial Shelf Registration, (ii) a Subsequent Shelf Registration covering all of the Registrable Notes covered by and not sold under the Initial Shelf Registration or an earlier Subsequent Shelf Registration has
been declared effective under the Securities Act, (iii) there cease to be any outstanding Shelf Notes registered thereunder or (iv) the date on which all Registrable Notes covered by such Shelf Registration become eligible for resale
without regard to volume, manner of sale or other restrictions contained in Rule 144. 

  
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 (b) Subsequent Shelf Registrations. If the Initial Shelf Registration or any Subsequent
Shelf Registration (as defined below) ceases to be effective for any reason at any time during the Effectiveness Period (other than because of the sale of all of the securities registered thereunder), the Company shall (and shall cause each
Guarantor to) use its commercially reasonable efforts to obtain the prompt withdrawal of any order suspending the effectiveness thereof, and in any event shall use its commercially reasonable efforts to, within 30 days of such cessation of
effectiveness amend such Shelf Registration in a manner to obtain the withdrawal of the order suspending the effectiveness thereof, or file (and cause each Guarantor to file) a separate “shelf” Registration Statement pursuant to Rule 415
covering all of the Shelf Notes (a “Subsequent Shelf Registration”). If a Subsequent Shelf Registration is filed, the Company shall (and shall cause each Guarantor to) use its commercially reasonable efforts to cause the Subsequent
Shelf Registration to be declared effective as soon as practicable after such filing and to keep such Subsequent Shelf Registration continuously effective for a period equal to the number of days in the Effectiveness Period less the aggregate number
of days during which the Initial Shelf Registration and any Subsequent Shelf Registration was previously continuously effective. As used herein the term “Shelf Registration” means the Initial Shelf Registration and any Subsequent
Shelf Registrations. 
 (c) Supplements and Amendments. The Company shall (and shall cause each Guarantor to) use its reasonable best
efforts to promptly supplement and amend any Shelf Registration if required by the rules, regulations or instructions applicable to the registration form used for such Shelf Registration, if required by the Securities Act, or if reasonably requested
in writing by the Holders of a majority in aggregate principal amount of the Shelf Notes covered by such Shelf Registration with respect to information relating to such Holders or by any underwriter of such Registrable Notes in connection with an
Underwritten Offering. 
 (d) Provision of Information. No Holder of Shelf Notes shall be entitled to include any of its Shelf Notes
in any Shelf Registration pursuant to this Agreement unless such Holder furnishes to the Company and the Trustee in writing, within 20 days after receipt of a written request therefor, such information as the Company or the Trustee reasonably
believe is required for inclusion in any Shelf Registration or Prospectus included therein and so requests, and no such Holder shall be entitled to Additional Interest pursuant to Section 4 hereof unless and until such Holder shall have provided
such information. 
 (e) Blackout Periods. Notwithstanding anything to the contrary in this Agreement, at any time, the Company may
delay the filing of any Initial Shelf Registration or Subsequent Shelf Registration or delay or suspend the effectiveness thereof, for a reasonable period of time, but not in excess of 90 days in the aggregate during any 12-month period (a
“Shelf Suspension Period”), if the Company determines reasonably and in good faith that the filing of any such Initial Shelf Registration or Subsequent Shelf Registration or the continuing effectiveness thereof would require the
disclosure of non-public material information that, in the reasonable judgment of the Company, would be detrimental to the Company if so disclosed or would otherwise materially adversely affect a financing, acquisition, disposition, merger or other
material transaction or such action is required by applicable law. 

  
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 Section 4. Additional Interest. 

(a) The Company and each Guarantor acknowledges and agrees that the Holders of Registrable Notes will suffer damages if the Company or any
Guarantor fails to fulfill its material obligations under Section 2 or Section 3 hereof and that it would not be feasible to ascertain the extent of such damages with precision. Accordingly, the Company and the Guarantors agree to pay additional
cash interest on the Notes (“Additional Interest”) under the circumstances and to the extent set forth below (each event described in clauses (i) through (iii) below, a “Registration Default” and each of which shall
be given independent effect): 
 (i) if the Exchange Registration Statement (or in lieu thereof, a Shelf Registration) has
not been filed on or prior to the Filing Date, Additional Interest shall accrue on the Notes over and above any stated interest at a rate of 0.25% per annum of the principal amount of such Notes for the first 90 days immediately following the
Filing Date, such Additional Interest rate increasing by an additional 0.25% per annum at the beginning of each subsequent 90-day period; 

(ii) if the Exchange Registration Statement (or in lieu thereof, a Shelf Registration) is not declared effective on or prior to
the Effectiveness Date, Additional Interest shall accrue on the Notes over and above any stated interest at a rate of 0.25% per annum of the principal amount of such Notes for the first 90 days immediately following the Effectiveness Date, such
Additional Interest rate increasing by an additional 0.25% per annum at the beginning of each subsequent 90-day period; 

(iii) if (A) the Company (and any Guarantor) has not exchanged Exchange Notes for all Notes validly tendered in accordance
with the terms of the Exchange Offer on or prior to the 60th Business Day after the Effectiveness Date, (B) the Exchange Registration Statement ceases to be effective at any time prior to the time that the Exchange Offer is consummated,
(C) if applicable, a Shelf Registration has been declared effective and such Shelf Registration ceases to be effective at any time prior to the first anniversary of its effective date (other than such time as all Notes have been disposed of
thereunder) and is not declared effective again within 30 days, or (D) the Company issues a valid notice to suspend the use of the prospectus included in any Shelf Registration and such suspensions, when taken together with all other
suspensions, if any, during any 12-month period exceeds 120 days, then, in each such case, Additional Interest shall accrue on the Notes, over and above any stated interest, at a rate of 0.25% per annum of the principal amount of such Notes
commencing on (w) the 61st Business Day after the Effectiveness Date, in the case of (A) above, (x) the date the Exchange Registration Statement ceases to be effective without being declared effective again within 30 days, in the case of
clause (B) above, (y) the day such Shelf Registration ceases to be effective without being declared effective again 

  
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within 30 days in case of (C) above, or (z) the day the Shelf Registration has ceased to be usable for a period exceeding 120 days during any 12-month period in case of clause (D) above,
such Additional Interest rate increasing by an additional 0.25% per annum at the beginning of each such subsequent 90-day period; 
 provided,
however, that the maximum Additional Interest rate on the Notes may not exceed at any one time in the aggregate 1.00% per annum; and provided further, that (1) upon the filing of the Exchange Registration Statement (in the case
of (i) above), (2) upon the effectiveness of the Exchange Registration Statement (in the case of (ii) above), (3) upon the effectiveness of the Initial Shelf Registration or the Shelf Registration or, if Additional Interest shall be
payable solely because an Initial Shelf Registration required pursuant to Section 2(i)(iv) has not been declared effective prior to the Shelf Effectiveness Date, upon the effectiveness of the Exchange Registration Statement (in the case of (i) or
(ii) above) or (4) upon the exchange of Exchange Notes for all Notes tendered (in the case of clause (iii)(A) above), or upon the effectiveness of the Exchange Registration Statement that had ceased to remain effective (in the case of clause
(iii)(B) above), or upon the effectiveness of a Shelf Registration which had ceased to remain effective (in the case of clause (iii)(C) above), or upon valid notice by the Company that the suspended Shelf Registration has again become usable (in the
case of clause (iii)(D) above), Additional Interest on the Notes or the Shelf Note, as applicable, as a result of such clause (or the relevant subclause thereof) shall cease to accrue. Notwithstanding the foregoing, (x) the amount of Additional
Interest payable shall not increase because more than one Registration Default has occurred and is pending, and (y) Additional Interest shall be payable for Registration Defaults related to a failure of the Company to cause a Shelf Registration
to be declared effective only to Holders of Shelf Notes. Additional Interest pursuant to this Section 4 shall be the sole and exclusive remedy available to the Holders with respect to a Registration Default. 

(b) The Company shall notify the Trustee within five Business Days after each and every date on which a Registration Default occurs in respect
of which Additional Interest is required to be paid. Any accrued amounts of Additional Interest due pursuant to clause (a)(i) or (a)(ii) of this Section 4 will be payable in cash in arrears, on the dates and in the manner provided in the Indenture
and whether or not any cash interest would then be payable on such date, commencing with the first such semi-annual date occurring after any such Additional Interest commences to accrue. The amount of Additional Interest will be determined by
multiplying the applicable Additional Interest rate by the applicable principal amount of the Notes or the Shelf Notes, as applicable, multiplied by a fraction, the numerator of which is the number of days such Additional Interest rate was
applicable during such period (determined on the basis of a 360-day year comprised of twelve 30-day months and, in the case of a partial month, the actual number of days elapsed), and the denominator of which is 360. 

Section 5. Hold-Back Agreements.  

The Company agrees that it will not effect any public or private sale or distribution (including a sale pursuant to Regulation D under the
Securities Act) of any 

  
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securities the same as or substantially the same as those covered by a Registration Statement filed pursuant to Section 2 or 3 hereof (other than Additional Notes (as defined in the Indenture)
issued under the Indenture), or any securities convertible into or exchangeable or exercisable for such securities, during the 10 days prior to, and during the 90-day period beginning on, the effective date of any Registration Statement filed
pursuant to Sections 2 and 3 hereof unless the Holders of a majority in the aggregate principal amount of the Registrable Notes to be included in such Registration Statement consent, if the managing underwriter thereof so requests in writing. 

Section 6. Registration Procedures.  

In connection with the filing of any Registration Statement pursuant to Sections 2 or 3 hereof, the Company shall (and shall cause each
Guarantor to) effect such registrations to permit the sale of such securities covered thereby in accordance with the intended method or methods of disposition thereof, and pursuant thereto and in connection with any Registration Statement filed by
the Company hereunder, the Company shall (and shall cause each Guarantor to): 
 (a) Prepare and file with the SEC, on or prior to the
Filing Date, the Exchange Registration Statement, or if the Exchange Registration Statement is not filed because of the circumstances contemplated by Section 2(a)(i), a Shelf Registration as prescribed by Section 3, and use its commercially
reasonable efforts to cause each such Registration Statement to become effective and remain effective as provided herein; provided that, if (A) a Shelf Registration is filed pursuant to Section 3 or (B) a Prospectus contained in an
Exchange Registration Statement filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period relating thereto from whom the Company
has received prior written notice that it will be a Participating Broker-Dealer in the Exchange Offer, before filing any Registration Statement or Prospectus or any amendments or supplements thereto the Company shall (and shall cause each Guarantor
to), if requested, furnish to and afford, in the case of clause (A) above, the Holders of the Registrable Notes to be registered pursuant to such Shelf Registration, in the case of clause (B) above, each Participating Broker-Dealer, the managing
underwriters in an Underwritten Offering, if any, and each of their respective counsel, a reasonable opportunity to review copies of all such documents (including copies of any documents to be incorporated by reference therein and all exhibits
thereto) proposed to be filed (in each case at least five Business Days prior to such filing). The Company and each Guarantor shall not file any such Registration Statement or Prospectus or any amendments or supplements thereto in respect of which
the Holders must provide information for the inclusion therein without the Holders being afforded an opportunity to review such documentation if the holders of a majority in aggregate principal amount of the Registrable Notes covered by such
Registration Statement, or any such Participating Broker-Dealer, as the case may be, the managing underwriters in an Underwritten Offering, if any, or any of their respective counsel shall reasonably object in writing within five Business Days after
the receipt hereof. A Holder shall be deemed to have reasonably objected to such filing if such Holder’s objection to such Registration Statement, amendment, Prospectus or supplement, as applicable, as proposed to be filed, relates to an untrue
statement of a material fact or an omission to state any material fact necessary to make the statements therein not misleading or a failure to comply with the applicable requirements of the Securities Act. 

  
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 (b) Provide an indenture trustee for the Registrable Notes or the Exchange Notes, as the case may
be, and cause the Indenture (or other indenture relating to the Registrable Notes) to be qualified under the TIA not later than the effective date of the first Registration Statement; and in connection therewith, to effect such changes to such
indenture as may be required for such indenture to be so qualified in accordance with the terms of the TIA; and execute, and use its commercially reasonable efforts to cause such trustee to execute, all documents as may be required to effect such
changes, and all other forms and documents required to be filed with the SEC to enable such indenture to be so qualified in a timely manner. 

(c) Prepare and file with the SEC such pre-effective amendments and post-effective amendments to each Shelf Registration or Exchange
Registration Statement, as the case may be, as may be necessary to keep such Registration Statement continuously effective for the Effectiveness Period or the Applicable Period or until consummation of the Exchange Offer, as the case may be, cause
the related Prospectus to be supplemented by any Prospectus supplement required by applicable law, and as so supplemented to be filed pursuant to Rule 424 (or any similar provisions then in force) promulgated under the Securities Act; and comply
with the provisions of the Securities Act and the Exchange Act applicable to them with respect to the disposition of all securities covered by such Registration Statement as so amended or in such Prospectus as so supplemented and with respect to the
subsequent resale of any securities being sold by a Participating Broker-Dealer in the manner disclosed to the Company by such Participating Broker-Dealer covered by any such Prospectus. The Company and each Guarantor shall not, during the
Applicable Period, knowingly take any action that would result in selling Holders of the Registrable Notes covered by a Shelf Registration or Participating Broker-Dealers seeking to sell Exchange Notes not being able to sell such Registrable Notes
or such Exchange Notes during that period, unless such action is required by applicable law, rule or regulation or permitted by this Agreement. 

(d) Furnish to such selling Holders and Participating Broker-Dealers who so request in writing (i) upon the Company’s receipt, a
copy of the order of the SEC declaring such Registration Statement and any post-effective amendment thereto effective, (ii) such reasonable number of copies of such Registration Statement and of each amendment and supplement thereto (in each
case including any documents incorporated therein by reference and all exhibits unless such documents or exhibits are publicly available) and (iii) such reasonable number of copies of the Prospectus included in such Registration Statement
(including each preliminary Prospectus) and each amendment and supplement thereto, and such reasonable number of copies of the final Prospectus as filed by the Company and each Guarantor pursuant to Rule 424(b) under the Securities Act, in
conformity with the requirements of the Securities Act and each amendment and supplement thereto (including any amendments required to be filed pursuant to clause (c) of this Section). Subject to Section 3(c) hereof, the Company and the Guarantors
hereby consent to the use of the Prospectus by each of the selling Holders 

  
 13 

 
of Registrable Notes or each such Participating Broker-Dealer, as the case may be, and the underwriters or agents, if any, and dealers, if any, in connection with the offering and sale of the
Registrable Notes covered by, or the sale by Participating Broker-Dealers of the Exchange Notes pursuant to, such Prospectus and any amendment or supplement thereto. 

(e) If (i) a Shelf Registration is filed pursuant to Section 3, or (ii) a Prospectus contained in an Exchange Registration Statement
filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period relating thereto from whom the Company has received written notice that
it will be a Participating Broker-Dealer in the Exchange Offer, the Company shall notify in writing the selling Holders of Registrable Notes, or each such Participating Broker-Dealer, as the case may be, the managing underwriters in an Underwritten
Offering, if any, and each of their respective counsel promptly (but in any event within two Business Days) (A) when a Prospectus or any Prospectus supplement or post-effective amendment has been filed, and, with respect to a Registration
Statement or any post-effective amendment, when the same has become effective (including in such notice a written statement that any Holder may, upon request, obtain, without charge, one conformed copy of such Registration Statement or
post-effective amendment including financial statements and schedules, documents incorporated or deemed to be incorporated by reference and exhibits), (B) of the issuance by the SEC of any stop order suspending the effectiveness of a
Registration Statement or of any order preventing or suspending the use of any Prospectus or the initiation of any proceedings for that purpose, (C) if at any time when a Prospectus is required by the Securities Act to be delivered in
connection with sales of the Registrable Notes the representations and warranties of the Company and any Guarantor contained in any agreement (including any underwriting agreement) contemplated by Section 6(n) hereof cease to be true and correct, in
all material respects, during the relevant offering period, (D) of the receipt by the Company or any Guarantor of any notification with respect to the suspension of the qualification or exemption from qualification of a Registration Statement
or any of the Registrable Notes or the Exchange Notes to be sold by any Participating Broker-Dealer for offer or sale in any jurisdiction, or the initiation or threatening of any proceeding for such purpose, (E) of the happening of any event,
the existence of any condition or any information becoming known to the Company that makes any statement made in such Registration Statement or related Prospectus or any document incorporated or deemed to be incorporated therein by reference untrue
in any material respect or that requires the making of any changes in, or amendments or supplements to, such Registration Statement, Prospectus or documents so that, in the case of the Registration Statement, it will not contain any untrue statement
of a material fact or omit to state any material fact required to be stated therein to make the statement not misleading, or in the case of a Prospectus or documents incorporated or deemed to be incorporated by reference, it will not contain any
untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein, in light of the circumstances under which they were made, not misleading, (F) of any reasonable
determination by the Company or any Guarantor that a post-effective amendment to a Registration Statement would be appropriate and (G) of any request by the SEC for amendments to the Registration Statement or supplements to the Prospectus or
for additional information relating thereto. 

  
 14 

 (f) Use its commercially reasonable efforts to prevent the issuance of any order suspending the
effectiveness of a Registration Statement or of any order preventing or suspending the use of a Prospectus or suspending the qualification (or exemption from qualification) of any of the Registrable Notes or the Exchange Notes to be sold by any
Participating Broker-Dealer, for sale in any jurisdiction, and, if any such order is issued, to use its commercially reasonable efforts to obtain the withdrawal of any such order at the earliest possible date. 

(g) If (i) a Shelf Registration is filed pursuant to Section 3, (ii) a Prospectus contained in an Exchange Registration Statement
filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period or (iii) reasonably requested in writing by the managing
underwriters, if any, or the Holders of a majority in aggregate principal amount of the Registrable Notes being sold in connection with an Underwritten Offering, other than during a Shelf Suspension Period (A) promptly incorporate in a
Prospectus supplement or post-effective amendment such information or revisions to information therein relating to such underwriters or selling Holders as the managing underwriters, if any, or such Holders or any of their respective counsel
reasonably request in writing to be included or made therein and (B) make all required filings of such Prospectus supplement or such post-effective amendment as soon as practicable after the Company has received notification of the matters to
be incorporated in such Prospectus supplements or post-effective amendment; provided, however, that the Company shall not be required to take any action hereunder that would, in the written opinion of counsel to the Company, violate
applicable laws. 
 (h) Prior to any public offering of Registrable Notes or any delivery of a Prospectus contained in the Exchange
Registration Statement by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period, use its commercially reasonable efforts to register or qualify, and to cooperate with the selling Holders of Registrable Notes
or each such Participating Broker-Dealer, as the case may be, the underwriters, if any, and their respective counsel in connection with the registration or qualification (or exemption from such registration or qualification) of such Registrable
Notes or Exchange Notes, as the case may be, for offer and sale under the securities or Blue Sky laws of such jurisdictions within the United States as any selling Holder, Participating Broker-Dealer or any managing underwriter or underwriters, if
any, in an Underwritten Offering reasonably request in writing; provided, that where Exchange Notes held by Participating Broker-Dealers or Registrable Notes are offered other than through an Underwritten Offering, the Company and each
Guarantor shall use its commercially reasonable efforts to cause its counsel to perform Blue Sky investigations and shall use its commercially reasonable efforts to file any registrations and qualifications required to be filed pursuant to this
Section 6(h), use its commercially reasonable efforts to keep each such registration or qualification (or exemption therefrom) effective during the period such Registration Statement is required to be kept effective and use its commercially
reasonable efforts to do any and all other acts or things 

  
 15 

 
reasonably necessary or advisable to enable the disposition in such jurisdictions of the Exchange Notes held by Participating Broker-Dealers or the Registrable Notes covered by the applicable
Registration Statement; provided that neither the Company nor any Guarantor shall be required to (i) qualify generally to do business in any jurisdiction where it is not then so qualified, (ii) take any action that would subject it
to general service of process in any such jurisdiction where it is not then so subject or (iii) subject itself to taxation in any such jurisdiction where it is not then so subject. 

(i) If (i) a Shelf Registration is filed pursuant to Section 3 or (ii) a Prospectus contained in an Exchange Registration Statement
filed pursuant to Section 2 is requested to be delivered under the Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period, cooperate with the selling Holders of Registrable Notes and the
managing underwriter or underwriters, if any, in an Underwritten Offering to facilitate the timely preparation and delivery of certificates representing Registrable Notes to be sold, which certificates shall not bear any restrictive legends and
shall be in a form eligible for deposit with The Depository Trust Company, and enable such Registrable Notes to be in such denominations permitted by the Indenture and registered in such names as the managing underwriter or underwriters, if any, in
an Underwritten Offering or Holders may reasonably request. 
 (j) Use its commercially reasonable efforts to cause the Registrable Notes
covered by any Registration Statement to be registered with or approved by such U.S. governmental agencies or authorities as may be necessary to enable the seller or sellers thereof or the underwriter, if any, to consummate the disposition of such
Registrable Notes, except as may be required solely as a consequence of the nature of such selling Holder’s business, in which case the Company shall (and shall cause each Guarantor to) cooperate in all reasonable respects with the filing of
such Registration Statement and the granting of such approvals; provided that neither the Company nor any Guarantor shall be required to (i) qualify generally to do business in any jurisdiction where it is not then so qualified,
(ii) take any action that would subject it to general service of process in any jurisdiction where it is not then so subject or (iii) subject itself to taxation in any such jurisdiction where it is not then so subject. 

(k) If (i) a Shelf Registration is filed pursuant to Section 3, or (ii) a Prospectus contained in an Exchange Registration Statement
filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period, upon the occurrence of any event contemplated by paragraph 6(e)(v)
(other than during a Shelf Suspension Period), as promptly as practicable, prepare and file with the SEC, at the expense of the Company and the Guarantors, a supplement or post-effective amendment to the Registration Statement or a supplement to the
related Prospectus or any document incorporated or deemed to be incorporated therein by reference, or file any other required document so that, as thereafter delivered to the purchasers of the Registrable Notes being sold thereunder or to the
purchasers of the Exchange Notes to whom such Prospectus will be delivered by a Participating Broker-Dealer, such Registration Statement will not contain an untrue statement of a material fact or omit to state a material fact required to be stated
therein to make the statements not misleading or such Prospectus or documents 

  
 16 

 
incorporated by reference or deemed to be incorporated by reference will not contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or
necessary to make the statements therein, in light of the circumstances under which they were made, not misleading, and, if SEC review is required, use its commercially reasonable efforts to cause such post-effective amendment to be declared
effective as soon as possible. 
 (l) Use its commercially reasonable efforts to cause the Registrable Notes covered by a Registration
Statement to be rated with such appropriate rating agencies, if so requested in writing by the Holders of a majority in aggregate principal amount of the Registrable Notes covered by such Registration Statement or the managing underwriter or
underwriters, if any. 
 (m) Prior to the initial issuance of the Exchange Notes, (i) provide the Trustee with one or more certificates
for the Exchange Notes in a form eligible for deposit with The Depository Trust Company and (ii) provide a CUSIP number for the Exchange Notes. 

(n) In connection with an Underwritten Offering of Registrable Securities pursuant to a Shelf Registration filed pursuant to Section 3, enter
into such agreements (including an underwriting agreement in form, scope and substance as is customary in underwritten offerings of debt securities similar to the Notes, as may be appropriate in the circumstances) and take all such other actions in
connection therewith (including those reasonably requested in writing by the managing underwriters, if any, or the Holders of a majority in aggregate principal amount of the Registrable Notes being sold) in order to expedite or facilitate the
registration or the disposition of such Registrable Notes, and in such connection: (i) make such representations and warranties to the Holders and the underwriters, if any, with respect to the business of the Company and its subsidiaries as
then conducted, and the Registration Statement, Prospectus and documents, if any, incorporated or deemed to be incorporated by reference therein, in each case, in form, substance and scope as are customarily made by issuers to underwriters in
underwritten offerings of debt securities similar to the Notes, as may be appropriate in the circumstances, and confirm the same if and when reasonably required; (ii) use its commercially reasonable efforts to obtain an opinion of counsel to
the Company and the Guarantors and updates thereof (which counsel and opinions (in form, scope and substance) shall be reasonably satisfactory to the managing underwriters, if any, and the Holders of a majority in aggregate principal amount of the
Registrable Notes being sold), addressed to each selling Holder and addressed to each of the underwriters, if any, covering the matters customarily covered in opinions of counsel to the Company and the Guarantors requested in underwritten offerings
of debt securities similar to the Notes, as may be appropriate in the circumstances; (iii) use its commercially reasonable efforts to obtain “cold comfort” letters and updates thereof (which letters and updates (in form, scope and
substance) shall be reasonably satisfactory to the managing underwriters) from the independent certified public accountants of the Company and the Guarantors (and, if necessary, any other independent certified public accountants of any subsidiary of
the Company or of any business acquired by the Company for which financial statements and financial data are, or are required to be, included in the Registration Statement), 

  
 17 

 
addressed to each of the underwriters, such letters to be in customary form and covering matters of the type customarily covered in “cold comfort” letters in connection with
underwritten offerings of debt securities similar to the Notes, as may be appropriate in the circumstances, and such other matters as reasonably requested in writing by the underwriters; and (iv) deliver such documents and certificates as may
be reasonably requested in writing by the Holders of a majority in aggregate principal amount of the Registrable Notes being sold and the managing underwriters, if any, to evidence the continued validity of the representations and warranties of the
Company and its subsidiaries made pursuant to clause (i) above and to evidence compliance with any conditions contained in the underwriting agreement or other similar agreement entered into by the Company or any Guarantor. 

(o) If (i) a Shelf Registration is filed pursuant to Section 3, or (ii) a Prospectus contained in an Exchange Registration Statement
filed pursuant to Section 2 is required to be delivered under the Securities Act by any Participating Broker-Dealer who seeks to sell Exchange Notes during the Applicable Period, make available for inspection by any selling Holder of such
Registrable Notes being sold, or each such Participating Broker-Dealer, as the case may be, any underwriter participating in any such disposition of Registrable Notes, if any, and any attorney, accountant or other agent retained by any such selling
Holder or each such Participating Broker-Dealer, as the case may be, or underwriter (collectively, the “Inspectors”), at the offices where normally kept, during reasonable business hours and in a reasonable manner, all pertinent
financial and other records and pertinent corporate documents of the Company and its subsidiaries (collectively, the “Records”) as shall be reasonably requested by them and necessary to enable them to exercise any applicable due
diligence responsibilities, and cause the officers, directors and employees of the Company and its subsidiaries to supply all information reasonably requested in writing by any such Inspector in connection with such Registration Statement;
provided that the foregoing inspection and information gathering on behalf of the Holders shall be coordinated by one counsel designated by and on behalf of the Holders. Each Inspector shall agree in writing that it will keep the Records
confidential and it will not disclose, any of the Records unless (A) the disclosure of such Records is necessary to avoid or correct a misstatement or omission in such Registration Statement, (B) the release of such Records is ordered
pursuant to a subpoena or other order from a court of competent jurisdiction, (C) the information in such Records is public or has been made generally available to the public other than as a result of a disclosure or failure to safeguard by
such Inspector or (D) disclosure of such information is, in the reasonable written opinion of counsel for any Inspector, necessary or advisable in connection with any action, claim, suit or proceeding, directly or indirectly, involving or
potentially involving such Inspector and arising out of, based upon, related to, or involving this Agreement, or any transaction contemplated hereby or arising hereunder. Each selling Holder of such Registrable Notes and each such Participating
Broker-Dealer will be required to agree that information obtained by it as a result of such inspections shall be deemed confidential and shall not be used by it as the basis for any market transactions in the securities of the Company unless and
until such information is made generally available to the public. Each Inspector, each selling Holder of such Registrable Notes and each such Participating Broker-Dealer will be required to further agree that it will, upon learning that disclosure
of such Records is sought in a court of competent 

  
 18 

 
jurisdiction, give notice to the Company and, to the extent practicable, use its commercially reasonable efforts to allow the Company, at its expense, to undertake appropriate action to prevent
disclosure of the Records deemed confidential at its expense. 
 (p) Use commercially reasonable efforts to comply with all applicable rules
and regulations of the SEC and make generally available to the security holders of the Company with regard to any Applicable Registration Statement earning statements satisfying the provisions of section 11(a) of the Securities Act and Rule 158
thereunder (or any similar rule promulgated under the Securities Act) no later than 45 days after the end of any 12-month period (or 90 days after the end of any 12-month period if such period is a fiscal year) (i) commencing at the end of any
fiscal quarter in which Registrable Notes are sold to underwriters in a firm commitment or best efforts Underwritten Offering and (ii) if not sold to underwriters in such an offering, commencing on the first day of the first fiscal quarter of
the Company after the effective date of a Registration Statement, which statements shall cover said 12-month periods. 
 (q) If the Exchange
Offer is to be consummated, upon delivery of the Registrable Notes by the Holders to the Company and the Guarantors (or to such other Person as directed by the Company and the Guarantors) in exchange for the Exchange Notes, the Company and the
Guarantors shall mark, or caused to be marked, on such Registrable Notes that the Exchange Notes are being issued as substitute evidence of the indebtedness originally evidenced by the Registrable Notes; provided that in no event shall such
Registrable Notes be marked as paid or otherwise satisfied. 
 (r) Cooperate with each seller of Registrable Notes covered by any
Registration Statement and each underwriter, if any, participating in the disposition of such Registrable Notes and their respective counsel in connection with any filings required to be made with FINRA. 

(s) Use its commercially reasonable efforts to take all other steps reasonably necessary to effect the registration of the Registrable Notes
covered by a Registration Statement contemplated hereby. 
 (t) Each seller of Registrable Notes or Participating Broker-Dealer as to which
any registration is being effected shall furnish to the Company such information regarding such seller or Participating Broker-Dealer and the distribution of such Registrable Notes as the Company may, from time to time, reasonably request in
writing. The Company may exclude from such registration the Registrable Notes of any seller who fails to furnish such information within a reasonable time (which time in no event shall exceed 20 days, subject to Section 3(d) hereof) after receiving
such request. Each seller of Registrable Notes or Participating Broker-Dealer as to which any registration is being effected agrees to furnish promptly to the Company all information required to be disclosed in order to make the information
previously furnished by such seller not materially misleading. 

  
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 (u) Each Holder of Registrable Notes and each Participating Broker-Dealer agrees by acquisition
of such Registrable Notes or Exchange Notes to be sold by such Participating Broker-Dealer, as the case may be, that, upon receipt of any notice from the Company of the happening of any event of the kind described in Section 6(e)(ii)(B), 6(e)(ii)(D)
and 6(e)(ii)(E) or the commencement of a Shelf Suspension Period, such Holder will forthwith discontinue disposition of such Registrable Notes covered by a Registration Statement and such Participating Broker-Dealer will forthwith discontinue
disposition of such Exchange Notes pursuant to any Prospectus and, in each case, forthwith discontinue dissemination of such Prospectus until such Holder’s or Participating Broker-Dealer’s receipt of the copies of the supplemented or
amended Prospectus contemplated by Section 6(k), or until it is advised in writing (the “Advice”) by the Company that the use of the applicable Prospectus may be resumed, and has received copies of any amendments or supplements
thereto and, if so directed by the Company, such Holder or Participating Broker-Dealer, as the case may be, will deliver to the Company all copies, other than permanent file copies, then in such Holder’s or Participating Broker-Dealer’s
possession, of the Prospectus covering such Registrable Notes current at the time of the receipt of such notice. In the event the Company and the Guarantors shall give any such notice, the Applicable Period shall be extended by the number of days
during such periods from and including the date of the giving of such notice to and including the date when each Participating Broker-Dealer shall have received (x) the copies of the supplemented or amended Prospectus contemplated by Section
6(k) or (y) the Advice. 
 Section 7. Registration Expenses. 

(a) All fees and expenses incident to the performance of or compliance with this Agreement by the Company and the Guarantors shall be borne by
the Company and the Guarantors, whether or not the Exchange Offer or a Shelf Registration is filed or becomes effective, including, without limitation: (i) all registration and filing fees, including, without limitation, (A) fees with
respect to filings required to be made with FINRA in connection with any underwritten offering and (B) fees and expenses of compliance with state securities or Blue Sky laws as provided in Section 6(h) hereof (including, without limitation,
reasonable fees and disbursements of counsel in connection with Blue Sky qualifications of the Registrable Notes or Exchange Notes and determination of the eligibility of the Registrable Notes or Exchange Notes for investment under the laws of such
jurisdictions (x) where the Holders are located, in the case of the Exchange Notes, or (y) as provided in Section 6(h), in the case of Registrable Notes or Exchange Notes to be sold by a Participating Broker-Dealer during the Applicable
Period), (ii) printing expenses, including, without limitation, expenses of printing Prospectuses if the printing of Prospectuses is requested by the managing underwriter or underwriters, if any, in an Underwritten Offering or by the Holders of
a majority in aggregate principal amount of the Registrable Notes included in any Shelf Registration or by any Participating Broker-Dealer during the Applicable Period, as the case may be, (iii) messenger, telephone and delivery expenses
incurred in connection with the performance of their obligations hereunder, (iv) fees and disbursements of counsel for the Company, the Guarantors and, to the extent provided in Section 7(b), the Holders, (v) fees and disbursements of all
independent certified public accountants 

  
 20 

 
referred to in Section 6 (including, without limitation, the expenses of any special audit and “cold comfort” letters required by or incident to such performance), (vi) rating
agency fees, if any, and the fees and expenses incurred in connection with making Exchange Notes eligible for trading through the Depository Trust Company, (vii) Securities Act liability insurance, if the Company and the Guarantors desire such
insurance, (viii) fees and expenses of all other Persons retained by the Company and the Guarantors, (ix) fees and expenses of any “qualified independent underwriter” or other independent appraiser participating in an offering
pursuant to Section 3 of Schedule E to the By-laws of FINRA, but only where the need for such a “qualified independent underwriter” arises due to a relationship with the Company and the Guarantors, (x) internal expenses of the Company
and the Guarantors (including, without limitation, all salaries and expenses of officers and employees of the Company or the Guarantors performing legal or accounting duties), (xi) the expense of any annual audit, (xii) the fees and
expenses of the Trustee and the Exchange Agent and (xiii) the expenses relating to printing, word processing and distributing all Registration Statements, underwriting agreements and indentures relating to the Notes or the Exchange Notes and
any other documents necessary in order to comply with this Agreement. Notwithstanding anything to the contrary, each Holder shall pay all underwriting discounts and commissions of any underwriters with respect to any Registrable Notes sold by or on
behalf of it. 
 (b) The Company and the Guarantors shall reimburse the Holders for the reasonable fees and disbursements of not more than
one counsel chosen by the Holders of a majority in aggregate principal amount of the Registrable Notes to be included in any Shelf Registration. The Company and the Guarantors shall pay all documentary, stamp, transfer or other transactional taxes
attributable to the issuance or delivery of the Exchange Notes in exchange for the Notes; provided that the Company shall not be required to pay taxes payable in respect of any transfer involved in the issuance or delivery of any Exchange
Note in a name other than that of the Holder of the Note in respect of which such Exchange Note is being issued. The Company and the Guarantors shall reimburse the Holders for fees and expenses (including reasonable fees and expenses of counsel to
the Holders) relating to any enforcement of any rights of the Holders under this Agreement. 
 Section 8. Indemnification. 

(a) Indemnification by the Company and the Guarantors. The Company and the Guarantors jointly and severally agree to indemnify and hold
harmless each Holder of Registrable Notes and each Participating Broker-Dealer selling Exchange Notes during the Applicable Period, each Person, if any, who controls each such Holder (within the meaning of Section 15 of the Securities Act or
Section 20(a) of the Exchange Act) and the officers, directors, agents, employees and partners of each such Holder, Participating Broker-Dealer and controlling person, to the fullest extent lawful, from and against any and all losses, claims,
damages, liabilities, costs (including, without limitation, reasonable costs of preparation and reasonable attorneys” fees as provided in this Section 8) and reasonable expenses (including, without limitation, reasonable costs and expenses
incurred in connection with investigating, preparing, pursuing or defending against any of the foregoing) (collectively, “Losses”), as incurred, directly or indirectly caused by, 

  
 21 

 
related to, based upon, or arising out of or in connection with, in the case of the Registration Statement or in any amendments thereto, any untrue statement or alleged untrue statement of a
material fact contained in any Registration Statement or Prospectus or any omission or alleged omission to state therein a material fact required to be stated therein to make the statements not misleading, or in the case of any Prospectus or form of
prospectus, or in any amendment or supplement thereto, or in any preliminary prospectus, any untrue or alleged untrue statement of a material fact contained therein or any omission or alleged omission to state therein a material fact required to be
stated therein or necessary to make the statements therein, in light of the circumstances under which they were made, not misleading, except insofar as such Losses are solely based upon information relating to such Holder or Participating
Broker-Dealer and furnished in writing to the Company and the Guarantors by such Holder or Participating Broker-Dealer or their counsel expressly for use therein. 

(b) Indemnification by Holder. In connection with any Registration Statement, Prospectus or form of prospectus, any amendment or
supplement thereto, or any preliminary prospectus in which a Holder is participating, such Holder shall furnish to the Company and the Guarantors in writing such information as the Company and the Guarantors reasonably request for use in connection
with any Registration Statement, Prospectus or form of prospectus, any amendment or supplement thereto, or any preliminary prospectus and shall indemnify and hold harmless the Company, the Guarantors, their respective directors, officers, agents,
employees and each Person, if any, who controls the Company and the Guarantors (within the meaning of Section 15 of the Securities Act and Section 20(a) of the Exchange Act), and the directors, officers, employees and partners of such
controlling persons, to the fullest extent lawful, from and against all Losses arising out of or based upon, in the case of the Registration Statement or in any amendments thereto, untrue or alleged untrue statement of a material fact contained
therein or any omission or alleged omission to state therein a material fact required to be stated therein to make the statements not misleading, or in the case of any Prospectus or form of prospectus, or in any amendment or supplement thereto, or
in any preliminary prospectus, any untrue or alleged untrue statement of a material fact contained therein or any omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements
therein, in the light of the circumstances under which they were made, not misleading to the extent, but only to the extent, that such losses are finally judicially determined by a court of competent jurisdiction in a final, unappealable order to
have resulted solely from an untrue statement or alleged untrue statement of a material fact or omission or alleged omission of a material fact contained in or omitted from any information so furnished in writing by such Holder to the Company and
the Guarantors expressly for use therein. Notwithstanding the foregoing, in no event shall the liability of any selling Holder be greater in amount than such Holder’s Maximum Contribution Amount (as defined below). 

(c) Conduct of Indemnification Proceedings. If any proceeding shall be brought or asserted against any Person entitled to indemnity
hereunder (an “Indemnified Party”), such Indemnified Party shall promptly notify the party or parties from which such indemnity is sought (the “Indemnifying Party” or “Indemnifying Parties”, as

  
 22 

 
applicable) in writing; but the failure to so notify the Indemnifying Party (i) will not relieve such Indemnifying Party from any liability under paragraph (a) or (b) above unless and only
to the extent it is materially prejudiced as a result thereof and (ii) will not, in any event, relieve the Indemnifying Party from any obligations to any Indemnified Party other than the indemnification obligation provided in paragraphs (a) and
(b) above. 
 The Indemnifying Party shall have the right, exercisable by giving written notice to an Indemnified Party, within 20 Business
Days after receipt of written notice from such Indemnified Party of such proceeding, to assume, at its expense, the defense of any such proceeding; provided, that an Indemnified Party shall have the right to employ separate counsel in any
such proceeding and to participate in the defense thereof, but the fees and expenses of such counsel shall be at the expense of such Indemnified Party or parties unless: (1) the Indemnifying Party has agreed to pay such fees and expenses; or
(2) the Indemnifying Party shall have failed promptly to assume the defense of such proceeding or shall have failed to employ counsel reasonably satisfactory to such Indemnified Party; or (3) the named parties to any such proceeding
(including any impleaded parties) include both such Indemnified Party and the Indemnifying Party or any of its affiliates or controlling persons, and such Indemnified Party shall have been advised by counsel that there may be one or more defenses
available to such Indemnified Party that are in addition to, or in conflict with, those defenses available to the Indemnifying Party or such affiliate or controlling person (in which case, if such Indemnified Party notifies the Indemnifying Parties
in writing that it elects to employ separate counsel at the expense of the Indemnifying Parties, the Indemnifying Parties shall not have the right to assume the defense and the reasonable fees and expenses of such counsel shall be at the expense of
the Indemnifying Party; it being understood, however, that, the Indemnifying Party shall not, in connection with any one such proceeding or separate but substantially similar or related proceedings in the same jurisdiction, arising out of the same
general allegations or circumstances, be liable for the fees and expenses of more than one separate firm of attorneys (together with appropriate local counsel) at any time for such Indemnified Party). 

No Indemnifying Party shall be liable for any settlement of any such proceeding effected without its written consent, which shall not be
unreasonably withheld, but if settled with its written consent, or if there be a final judgment for the plaintiff in any such proceeding, each Indemnifying Party jointly and severally agrees, subject to the exceptions and limitations set forth
above, to indemnify and hold harmless each Indemnified Party from and against any and all Losses by reason of such settlement or judgment. The Indemnifying Party shall not consent to the entry of any judgment or enter into any settlement without the
consent of an Indemnified Party, which shall not be unreasonably withheld, unless such judgment or settlement (i) includes as an unconditional term thereof the giving by the claimant or plaintiff to each Indemnified Party of a release, in form
and substance reasonably satisfactory to the Indemnified Party, from all liability in respect of such proceeding for which such Indemnified Party would be entitled to indemnification hereunder (whether or not any Indemnified Party is a party
thereto) and (ii) does not include a statement assigning, or an admission of fault, culpability or a failure to act by or on behalf of any Indemnified Party. 

  
 23 

 (d) Contribution. If the indemnification provided for in this Section 8 is unavailable to
an Indemnified Party or is insufficient to hold such Indemnified Party harmless for any Losses in respect of which this Section 8 would otherwise apply by its terms (other than by reason of exceptions provided in this Section 8), then each
applicable Indemnifying Party, in lieu of indemnifying such Indemnified Party, shall have a joint and several obligation to contribute to the amount paid or payable by such Indemnified Party as a result of such Losses, in such proportion as is
appropriate to reflect the relative fault of the Indemnifying Party, on the one hand, and such Indemnified Party, on the other hand, in connection with the actions, statements or omissions that resulted in such Losses as well as any other relevant
equitable considerations. The relative fault of such Indemnifying Party, on the one hand, and Indemnified Party, on the other hand, shall be determined by reference to, among other things, whether any untrue or alleged untrue statement of a material
fact or omission or alleged omission to state a material fact relates to information supplied by such Indemnifying Party or Indemnified Party, and the parties’ relative intent, knowledge, access to information and opportunity to correct or
prevent any such statement or omission. The amount paid or payable by an Indemnified Party as a result of any Losses shall be deemed to include any legal or other fees or expenses reasonably incurred by such party in connection with any proceeding,
to the extent such party would have been indemnified for such fees or expenses if the indemnification provided for in Section 8(a) or 8(b) was available to such party. 

The parties hereto agree that it would not be just and equitable if contribution pursuant to this Section 8(d) were determined by pro rata
allocation or by any other method of allocation that does not take account of the equitable considerations referred to in the immediately preceding paragraph. Notwithstanding the provisions of this Section 8(d), a selling Holder shall not be
required to contribute, in the aggregate, any amount in excess of such Holder’s Maximum Contribution Amount. A selling Holder’s “Maximum Contribution Amount” shall equal the excess of (i) the aggregate net proceeds
received by such Holder pursuant to the sale of such Registrable Notes or Exchange Notes over (ii) the aggregate amount of damages that such Holder has otherwise been required to pay by reason of such untrue or alleged untrue statement or
omission or alleged omission. No person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not guilty of such fraudulent
misrepresentation. The Holders’ obligations to contribute pursuant to this Section 8(d) are several in proportion to the respective principal amount of the Registrable Notes held by each Holder hereunder and not joint. The Company’s and
the Guarantors’ obligations to contribute pursuant to this Section 8(d) are joint and several. 
 The indemnity and contribution
agreements contained in this Section 8 are in addition to any liability that the Indemnifying Parties may have to the Indemnified Parties. 

Section 9. Rules 144 and 144A. 

(a) The Company covenants that, so long as the Registrable Notes remain outstanding, it shall (i) file the reports required to be filed by
it (if so required) under the Securities Act and the Exchange Act in a timely manner and, if at any time the Company 

  
 24 

 
is not required to file such reports, it will, upon the written request of any Holder of Registrable Notes, make publicly available other information necessary to permit sales pursuant to Rule
144 and Rule 144A and (ii) take such further action as any Holder may reasonably request in writing, all to the extent required from time to time to enable such Holder to sell Registrable Notes without registration under the Securities Act
pursuant to the exemptions provided by Rule 144 and Rule 144A. 
 (b) Availability of Rule 144 Not Excuse for Obligations under Section
2. The fact that Holders of Registrable Notes may become eligible to sell such Registrable Notes pursuant to Rule 144 shall not (1) cause such Notes to cease to be Registrable Notes or (2) excuse the Company’s and the
Guarantors’ obligations set forth in Section 2 of this Agreement, including without limitation the obligations in respect of an Exchange Offer, Shelf Registration and Additional Interest. 

Section 10. Underwritten Registrations of Registrable Notes. 

If any of the Registrable Notes covered by any Shelf Registration are to be sold in an Underwritten Offering, the investment banker or
investment bankers and manager or managers that will manage the offering will be selected by the Holders of a majority in aggregate principal amount of such Registrable Notes included in such offering; provided, however, that such investment banker
or investment bankers and manager or managers must be reasonably acceptable to the Company. The Company shall be required to effect an Underwritten Offering only if the Company is required to file a Shelf Registration and in no event shall the
Company be required to effect more than three Underwritten Offerings pursuant to this Agreement. 
 No Holder of Registrable Notes may
participate in any Underwritten Registration hereunder unless such Holder (a) agrees to sell such Holder’s Registrable Notes on the basis provided in any underwriting arrangements approved by the Persons entitled hereunder to approve such
arrangements and (b) completes and executes all questionnaires, powers of attorney, indemnities, underwriting agreements and other documents required under the terms of such underwriting arrangements. 

Section 11. Miscellaneous. 

(a) No Inconsistent Agreements. The Company and each of the Guarantors have not entered, as of the date hereof, and the Company and each
of the Guarantors shall not enter, after the date of this Agreement, into any agreement with respect to any of its securities that is inconsistent with the rights granted to the Holders of Securities in this Agreement or otherwise conflicts with the
provisions hereof. The Company and each of the Guarantors have not entered and will not enter into any agreement with respect to any of its securities that will grant to any Person piggy-back rights with respect to a Registration Statement. 

(b) Adjustments Affecting Registrable Notes. The Company shall not, directly or indirectly, take any action with respect to the
Registrable Notes as a class that would adversely affect the ability of the Holders to include such Registrable Notes in a registration undertaken pursuant to this Agreement. 

  
 25 

 (c) Amendments and Waivers. The provisions of this Agreement may not be amended, modified
or supplemented, and waivers or consents to or departures from the provisions hereof may not be given, other than with the prior written consent of the Holders of not less than a majority in aggregate principal amount of the then outstanding
Registrable Notes in circumstances that would adversely affect any Holders of Registrable Notes; provided, however, that Section 8 and this Section 11(c) may not be amended, modified or supplemented without the prior written consent of
each Holder. Notwithstanding the foregoing, a waiver or consent to depart from the provisions hereof with respect to a matter that relates exclusively to the rights of Holders of Registrable Notes whose securities are being tendered pursuant to the
Exchange Offer or sold pursuant to a Shelf Registration and that does not directly or indirectly affect, impair, limit or compromise the rights of other Holders of Registrable Notes may be given by Holders of at least a majority in aggregate
principal amount of the Registrable Notes being tendered or being sold by such Holders pursuant to such Shelf Registration. 
 (d)
Notices. All notices and other communications provided for or permitted hereunder shall be made in writing by hand delivery, registered first-class mail, next-day air courier or facsimile: 

(i) if to a Holder of Securities or to any Participating Broker-Dealer, at the most current address of such Holder or
Participating Broker-Dealer, as the case may be, set forth on the records of the registrar of the Notes, with a copy in like manner to the Initial Purchasers as follows: 

Merrill Lynch, Pierce, Fenner & Smith Incorporated 

One Bryant Park 
 New York, New
York 10036 
 Facsimile: 212-901-7897 

Attention: HY Legal Department 

Jefferies LLC 
 520 Madison
Avenue 
 New York, New York 10022 

Facsimile: 646-786-5719 

Attention: Shanna B. Green 
 with
a copy to: 
 Davis Polk & Wardwell LLP 

450 Lexington Avenue 
 New York,
New York 10017 
 Facsimile: 212-701-5111 

Attention: Michael Kaplan 

  
 26 

 (ii) if to the Initial Purchasers, at the address specified in Section 11(d)(i);

 (iii) if to the Company or any Guarantor, as follows: 

Acadia Healthcare Company, Inc. 

6100 Tower Circle, Suite 1000 

Franklin, Tennessee 37067 

Attention: Christopher L. Howard, Executive Vice President, General 

                 Counsel and Secretary 

with a copy to: 
 Waller Lansden
Dortch & Davis, LLP 
 James H. Nixon III 

511 Union Street, Suite 2700 

Nashville, Tennessee 37219 
 All
such notices and communications shall be deemed to have been duly given: when delivered by hand, if personally delivered; five Business Days after being deposited in the United States mail, postage prepaid, if mailed; one Business Day after being
timely delivered to a next-day air courier guaranteeing overnight delivery; and when receipt is acknowledged by the addressee, if sent by facsimile. 

Copies of all such notices, demands or other communications shall be concurrently delivered by the Person giving the same to the Trustee under
the Indenture at the address specified in such Indenture. 
 (e) Successors and Assigns. This Agreement shall inure to the benefit of
and be binding upon the successors and assigns of each of the parties hereto, including, without limitation and without the need for an express assignment, subsequent Holders of Securities. 

(f) Counterparts. This Agreement may be executed in any number of counterparts and by the parties hereto in separate counterparts, each
of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. 

(g) Headings. The headings in this Agreement are for convenience of reference only and shall not limit or otherwise affect the meaning
hereof. 
 (h) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK
WITHOUT REGARD TO PRINCIPLES OF CONFLICT OF LAW. THE COMPANY HEREBY IRREVOCABLY SUBMITS TO THE JURISDICTION OF ANY NEW YORK STATE COURT SITTING IN THE BOROUGH OF MANHATTAN IN THE CITY OF NEW YORK OR ANY FEDERAL COURT SITTING IN THE BOROUGH OF
MANHATTAN IN THE CITY OF NEW YORK IN RESPECT OF 

  
 27 

 
ANY SUIT, ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT, AND IRREVOCABLY ACCEPTS FOR ITS AND IN RESPECT OF ITS PROPERTY, GENERALLY AND UNCONDITIONALLY, JURISDICTION OF THE
AFORESAID COURTS. THE COMPANY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT IT MAY EFFECTIVELY DO SO UNDER APPLICABLE LAW, TRIAL BY JURY AND ANY OBJECTION THAT IT MAY NOW OR HEREAFTER HAVE TO THE LAYING OF VENUE OF ANY SUCH SUIT, ACTION OR PROCEEDING
BROUGHT IN ANY SUCH COURT AND ANY CLAIM THAT ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN ANY SUCH COURT HAS BEEN BROUGHT IN AN INCONVENIENT FORUM. THE COMPANY IRREVOCABLY CONSENTS, TO THE FULLEST EXTENT IT MAY EFFECTIVELY DO SO UNDER APPLICABLE
LAW, TO THE SERVICE OF PROCESS OF ANY OF THE AFOREMENTIONED COURTS IN ANY SUCH ACTION OR PROCEEDING BY THE MAILING OF COPIES THEREOF BY REGISTERED OR CERTIFIED MAIL, POSTAGE PREPAID, TO THE COMPANY AT ITS SAID ADDRESS, SUCH SERVICE TO BECOME
EFFECTIVE 30 DAYS AFTER SUCH MAILING. NOTHING HEREIN SHALL AFFECT THE RIGHT OF ANY HOLDER TO SERVE PROCESS IN ANY OTHER MANNER PERMITTED BY LAW OR TO COMMENCE LEGAL PROCEEDINGS OR OTHERWISE PROCEED AGAINST THE COMPANY IN ANY OTHER JURISDICTION. 

(i) Severability. If any term, provision, covenant or restriction of this Agreement is held by a court of competent jurisdiction to be
invalid, illegal, void or unenforceable, the remainder of the terms, provisions, covenants and restrictions set forth herein shall remain in full force and effect and shall in no way be affected, impaired or invalidated, and the parties hereto shall
use their reasonable best efforts to find and employ an alternative means to achieve the same or substantially the same result as that contemplated by such term, provision, covenant or restriction. It is hereby stipulated and declared to be the
intention of the parties that they would have executed the remaining terms, provisions, covenants and restrictions without including any of such that may be hereafter declared invalid, illegal, void or unenforceable. 

(j) Securities Held by the Company or Its Affiliates. Whenever the consent or approval of Holders of a specified percentage of
Securities is required hereunder, Securities held by the Company or its affiliates (as such term is defined in Rule 405 under the Securities Act) shall not be counted in determining whether such consent or approval was given by the Holders of such
required percentage. 
 (k) Third Party Beneficiaries. Holders and Participating Broker-Dealers are intended third party
beneficiaries of this Agreement and this Agreement may be enforced by such Persons. No other Person is intended to be, or shall be construed as, a third party beneficiary of this Agreement. 

(l) Entire Agreement. This Agreement, together with the Purchase Agreement and the Indenture, is intended by the parties as a final and
exclusive statement of the agreement and understanding of the parties hereto in respect of the subject matter contained herein and therein and any and all prior oral or written agreements, 

  
 28 

 
representations, or warranties, contracts, understanding, correspondence, conversations and memoranda between the Initial Purchasers on the one hand and the Company and the Guarantors on the
other, or between or among any agents, representatives, parents, subsidiaries, affiliates, predecessors in interest or successors in interest with respect to the subject matter hereof and thereof are merged herein and replaced hereby. 

  
 29 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written above.

  

			
	 ACADIA HEALTHCARE COMPANY, INC.

		
	By:	 	 /s/ Brent Turner

	Name:	 	Brent Turner
	Title:	 	President

  
 [Signature Page to
Registration Rights Agreement] 

 GUARANTORS: 

 

 ABILENE BEHAVIORAL HEALTH, LLC 

ABILENE HOLDING COMPANY, LLC 
 ACADIA MANAGEMENT COMPANY, LLC 

ACADIA MERGER SUB, LLC 
 ACADIANA ADDICTION CENTER, LLC 

ADVANCED TREATMENT SYSTEMS, LLC 
 ASCENT ACQUISITION, LLC 

ASCENT ACQUISITION - CYPDC, LLC 
 ASCENT ACQUISITION - PSC, LLC

 ASPEN EDUCATION GROUP, INC. 
 ASPEN YOUTH, INC. 

ATS OF CECIL COUNTY, LLC 
 ATS OF DELAWARE, LLC 

ATS OF NORTH CAROLINA, LLC 
 AUSTIN BEHAVIORAL HOSPITAL, LLC 

AUSTIN EATING DISORDER PARTNERS, LLC 
 BATON ROUGE TREATMENT
CENTER, LLC 
 BAYSIDE MARIN, INC. 
 BCA OF DETROIT, LLC 

BECKLEY TREATMENT CENTER, LLC 
 BEHAVIORAL CENTERS OF AMERICA, LLC

 BELMONT BEHAVIORAL HOSPITAL, LLC 
 BGI OF BRANDYWINE, LLC

 BOWLING GREEN INN OF SOUTH DAKOTA, INC. 
 CALIFORNIA
TREATMENT SERVICES, LLC 
 CAPS OF VIRGINIA, LLC 
 CARTERSVILLE
CENTER, LLC 
 CASCADE BEHAVIORAL HOSPITAL, LLC 
 CASCADE
BEHAVIORAL HOLDING COMPANY, LLC 
 CENTER FOR BEHAVIORAL HEALTH - HA, LLC 

CENTER FOR BEHAVIORAL HEALTH-ME, INC. 
 CENTER FOR BEHAVIORAL
HEALTH-PA, LLC 
 CENTERPOINTE COMMUNITY BASED SERVICES, 

      LLC 
 CHARLESTON TREATMENT
CENTER, LLC 
 CLARKSBURG TREATMENT CENTER, LLC 
 COMMODORE
ACQUISITION SUB, LLC 
 CRC ED TREATMENT, LLC 
 CRC GROUP, LLC

 CRC HEALTH, LLC 
 CRC HEALTH OREGON, INC. 

CRC HEALTH TENNESSEE, LLC

 CRC RECOVERY, INC. 

CRC WISCONSIN RD, LLC 
 CROSSROADS REGIONAL HOSPITAL, LLC 

DELTA MEDICAL SERVICES, LLC 
 DETROIT BEHAVIORAL INSTITUTE, INC.

 DHG SERVICES, LLC 
 DISCOVERY HOUSE, LLC 

DISCOVERY HOUSE OF CENTRAL MAINE, INC. 
 DISCOVERY HOUSE-BC, LLC

 DISCOVERY HOUSE-BR, INC. 
 DISCOVERY HOUSE CC, LLC 

DISCOVERY HOUSE CU, LLC 
 DISCOVERY HOUSE-GROUP, LLC 

DISCOVERY HOUSE-HZ, LLC 
 DISCOVERY HOUSE LT, INC. 

DISCOVERY HOUSE MA, INC. 
 DISCOVERY HOUSE MONROEVILLE, LLC 

DISCOVERY HOUSE-NC, LLC 
 DISCOVERY HOUSE TV, INC. 

DISCOVERY HOUSE-UC, INC. 
 DISCOVERY HOUSE UTAH, INC. 

DISCOVERY HOUSE WC INC. 
 DMC-MEMPHIS, LLC 

DUFFY’S NAPA VALLEY REHAB, LLC 
 EAST INDIANA TREATMENT
CENTER, LLC 
 EVANSVILLE TREATMENT CENTER, LLC 
 FOUR CIRCLES
RECOVERY CENTER, LLC 
 GALAX TREATMENT CENTER, LLC 

GENERATIONS BH, LLC 
 GREENBRIER ACQUISITION, LLC 

GREENBRIER HOLDINGS, L.L.C. 
 GREENBRIER HOSPITAL, L.L.C. 

GREENBRIER REALTY, L.L.C. 
 GREENLEAF CENTER, LLC 

HABILITATION CENTER, LLC 
 HABIT OPCO, INC. 

HERMITAGE BEHAVIORAL, LLC 
 HMIH CEDAR CREST, LLC 

HUNTINGTON TREATMENT CENTER, LLC 
 INDIANAPOLIS TREATMENT CENTER,
LLC 
 KIDS BEHAVIORAL HEALTH OF MONTANA, INC. 
 LAKELAND
HOSPITAL ACQUISITION, LLC 

 

  
 [Signature Page to
Registration Rights Agreement] 

 
 MCCALLUM GROUP, LLC 

MCCALLUM PROPERTIES, LLC 
 MILLCREEK SCHOOL OF ARKANSAS, LLC 

MILLCREEK SCHOOLS, LLC 
 MILWAUKEE HEALTH SERVICES SYSTEM, LLC

 NORTHEAST BEHAVIORAL HEALTH, LLC 
 OHIO HOSPITAL FOR
PSYCHIATRY, LLC 
 OPTIONS TREATMENT CENTER ACQUISITION       CORPORATION 

PARK ROYAL FEE OWNER, LLC 
 PARKERSBURG TREATMENT CENTER, LLC 

PHC MEADOWWOOD, LLC 
 PHC OF MICHIGAN, INC. 

PHC OF NEVADA, INC. 
 PHC OF UTAH, INC. 

PHC OF VIRGINIA, LLC 
 PINEY RIDGE TREATMENT CENTER, LLC 

PSYCHIATRIC RESOURCE PARTNERS, LLC 
 QUALITY ADDICTION MANAGEMENT,
INC. 
 REBOUND BEHAVIORAL HEALTH, LLC 
 RED RIVER HOLDING
COMPANY, LLC 
 RED RIVER HOSPITAL, LLC 
 REHABILITATION
CENTERS, LLC 
 RESOLUTE ACQUISITION CORPORATION 
 RICHMOND
TREATMENT CENTER, LLC 
 R.I.S.A.T., LLC 
 RIVERVIEW BEHAVIORAL
HEALTH, LLC 
 RIVERWOODS BEHAVIORAL HEALTH, LLC 
 ROLLING HILLS
HOSPITAL, LLC 
 RTC RESOURCE ACQUISITION CORPORATION 
 SAHARA
HEALTH SYSTEMS, L.L.C. 
 SAN DIEGO HEALTH ALLIANCE 
 SAN DIEGO
TREATMENT SERVICES, LLC 
 SEVEN HILLS HOSPITAL, INC. 
 SHAKER
CLINIC, LLC 
 SHELTERED LIVING INCORPORATED 
 SIERRA TUCSON
INC. 

 SKYWAY HOUSE, LLC 

SOBER LIVING BY THE SEA, INC. 
 SONORA BEHAVIORAL HEALTH HOSPITAL,
LLC 
 SOUTHERN INDIANA TREATMENT CENTER, LLC 
 SOUTHWESTERN
CHILDREN’S HEALTH SERVICES,       INC. 
 SOUTHWOOD PSYCHIATRIC HOSPITAL, LLC 

STRUCTURE HOUSE, LLC 
 SUCCESS ACQUISITION, LLC 

SUWS OF THE CAROLINAS, INC. 
 TEN LAKES CENTER, LLC 

TEXARKANA BEHAVIORAL ASSOCIATES, L.C. 
 THE CAMP RECOVERY CENTERS,
LLC 
 TK BEHAVIORAL HOLDING COMPANY, LLC 
 TK BEHAVIORAL, LLC

 TRANSCULTURAL HEALTH DEVELOPMENT, INC. 
 TREATMENT
ASSOCIATES, INC. 
 VALLEY BEHAVIORAL HEALTH SYSTEM, LLC 

VERMILION HOSPITAL, LLC 
 VILLAGE BEHAVIORAL HEALTH, LLC 

VIRGINIA TREATMENT CENTER, LLC 
 VISTA BEHAVIORAL HOSPITAL, LLC

 VISTA BEHAVIORAL HOLDING COMPANY, LLC 
 VITA NOVA, LLC 

VOLUNTEER TREATMENT CENTER, LLC 
 WCHS, INC. 

WEBSTER WELLNESS PROFESSIONALS, LLC 
 WELLPLACE, INC. 

WHEELING TREATMENT CENTER, LLC 
 WHITE DEER REALTY, LLC 

WHITE DEER RUN, LLC 
 WICHITA TREATMENT CENTER INC. 

WILLIAMSON TREATMENT CENTER, LLC 
 WILMINGTON TREATMENT CENTER,
LLC 
 YOUTH AND FAMILY CENTERED SERVICES OF 

      NEW MEXICO, INC. 
 YOUTH CARE
OF UTAH, INC. 
  

			
	By:	  	 /s/ Brent Turner

	Name:	  	Brent Turner
	Title:	  	 Vice President and
 Assistant
Secretary

 
 

  
 [Signature Page to
Registration Rights Agreement] 

 GUARANTORS: 

BOWLING GREEN INN OF PENSACOLA, LLC 
 TEN BROECK TAMPA, LLC 

THE REFUGE, A HEALING PLACE, LLC 
  

			
	By:	 	 /s/ Brent Turner

	Name:	 	Brent Turner
	Title:	 	President

  
 [Signature Page to
Registration Rights Agreement] 

 ACCEPTED AND AGREED TO: 
  

			
	 MERRILL LYNCH, PIERCE, FENNER & SMITH

                          
INCORPORATED
  
 JEFFERIES LLC

 
 Acting individually

and as the Representatives of

the several Initial Purchasers
  

MERRILL LYNCH, PIERCE, FENNER & SMITH

                          
INCORPORATED

		
	By:	 	 /s/ Matt Curtin

	Name:	 	Matt Curtin
	Title:	 	Managing Director

  

			
	JEFFERIES LLC
		
	By:	 	 /s/ Daniel Decelles

	Name:	 	Daniel Decelles
	Title:	 	Managing Director

  
 [Signature Page to
Registration Rights Agreement]EX-4.5

 Exhibit 4.5 

JOINDER TO THIRD AMENDED AND RESTATED 

REGISTRATION RIGHTS AGREEMENT 

February 16, 2016 

Reference is made to the Third Amended and Restated Registration Rights Agreement (the “Registration Rights Agreement”) dated
as of December 31, 2015 by and among Acadia Healthcare Company, Inc., a Delaware corporation (the “Company”), the WCP Investors, the Bain Investors, the Other Investors and the Advent Investors. Capitalized terms used and not
otherwise defined herein have the meanings set forth in the Registration Rights Agreement. 
 WHEREAS, each of Advent Therapy (Cayman)
Limited and Advent Miro (Cayman) Limited (each an “Advent Party” and, together, the “Advent Parties”) is acquiring shares of Common Stock of the Company in connection with the consummation of the Priory Acquisition;
and; 
 WHEREAS, each of the Advent Parties wishes to become a party to the Registration Rights Agreement and to become an “Advent
Investor” in accordance with Section 12E thereof. 
 NOW, THEREFORE, in consideration of the mutual covenants, agreements and
understandings contained herein and other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows: 

1. Joinder to the Registration Rights Agreement. Each Advent Party hereby agrees to become bound by the terms, conditions and other
provisions of the Registration Rights Agreement with all attendant rights, duties and obligations stated therein, with the same force and effect as if originally named as an Advent Investor therein and as if such party executed the Registration
Rights Agreement on the date thereof. 
 2. Schedule of Advent Investors. The Schedule of Advent Investors set forth in the
Registration Rights Agreement is hereby amended and restated in its entirety as set forth in the Schedule of Advent Investors attached to this letter agreement. 

3. Severability. Whenever possible, each provision of this letter agreement shall be interpreted in such manner as to be effective and
valid under applicable law, but if any provision of this letter agreement or the application of any such provision to any Person or circumstance shall be held to be prohibited by or illegal or unenforceable under applicable law in any respect by a
court of competent jurisdiction, such provision shall be ineffective only in such jurisdiction and to the extent of such prohibition or illegality or unenforceability, without invalidating the remainder of such provision or the remaining provisions
of this letter agreement in such jurisdiction or any provisions of this letter agreement in any other jurisdiction. 
 4.
Counterparts. This letter agreement and any amendments hereto or thereto, to the extent signed and delivered in counterparts (any one of which need not contain the signatures of more than one party hereto or thereto, but all such counterparts
together shall constitute one and 

 
the same letter agreement) by means of a facsimile machine or electronic transmission in portable document format (pdf), shall be treated in all manner and respects as an original thereof and
shall be considered to have the same binding legal effects as if it were the original signed version thereof delivered in person. At the request of any party hereto or thereto, each other party hereto or thereto shall re-execute original forms
thereof and deliver them to all other parties hereto or thereto. No party hereto shall raise the use of a facsimile machine or electronic transmission in pdf to deliver a signature or the fact that any signature or document was transmitted or
communicated through the use of facsimile machine as a defense to the formation of a contract, and each such party forever waives any such defense. 

5. Descriptive Headings; Interpretation. The headings and captions used in this letter agreement are for reference purposes only and
shall not affect in any way the meaning or interpretation of this letter agreement. The use of the word “including” herein shall mean “including without limitation.” Any reference to the masculine, feminine or neuter gender shall
be deemed to include any gender or all three as appropriate. 
 6. Governing Law. All issues and questions concerning the
construction, validity, enforcement and interpretation of this letter agreement shall be governed by, and construed in accordance with, the laws of the State of Delaware, without giving effect to any choice of law or conflict of law rules or
provisions (whether of the State of Delaware or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of Delaware. 

* * * * * 

 IN WITNESS WHEREOF, the parties hereto have executed or caused to be executed on their behalf
this letter agreement as of the date first written above. 
  

			
	THE COMPANY:
	
	ACADIA HEALTHCARE COMPANY, INC.
		
	By:	 	 /s/ Christopher L. Howard

	Name:	 	Christopher L. Howard
	Title:	 	Executive Vice President, General Counsel and Secretary

 IN WITNESS WHEREOF, the parties hereto have executed or caused to be executed on their behalf
this letter agreement as of the date first written above. 
  

			
	ADVENT THERAPY (CAYMAN) LIMITED:
		
	By:	 	 /s/ Michael J. Ristaino

	Name:	 	Michael J. Ristaino
	Title:	 	Director
	
	ADVENT MIRO (CAYMAN) LIMITED:
		
	By:	 	 /s/ Michael J. Ristaino

	Name:	 	Michael J. Ristaino
	Title:	 	Director

 SCHEDULE OF ADVENT INVESTORS 

Advent Therapy (Luxembourg) S.A R.L. 

Advent Miro Luxembourg Holding S.A R.L. 

Advent Miro Luxembourg Finance S.A R.L. 

Advent Therapy (Luxembourg) Finance S.A R.L. 

Advent Therapy (Cayman) Limited 

Advent Miro (Cayman) Limited 
 Notice address for
the 
 Advent Investors: 
 Advent International
plc 
 111 Buckingham Palace Road 

London SW1W 0SR 
 United Kingdom

 Attention: Simon Powell

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