Exhibit 4.5

Execution Version

ADDITIONAL AUTHORIZED REPRESENTATIVE JOINDER AGREEMENT, dated as of September 26, 2024 (this “Joinder Agreement”), among the Additional Authorized Representative (as defined below), Universal Health Services, Inc. (the “Borrower”), the other Grantors party hereto, and JPMorgan Chase Bank, N.A., as Collateral Agent (in such capacity, the “Collateral Agent”), as collateral agent for the Secured Parties and JPMorgan Chase Bank, N.A., as administrative agent for the Lenders (in such capacity, the “Administrative Agent”).

Capitalized terms used herein but not otherwise defined herein shall have the meanings assigned to such terms in the Amended and Restated Collateral Agreement, dated as of August 7, 2014, as supplemented by the Additional Authorized Representative Joinder Agreement dated June 3, 2016, the Additional Authorized Representative Joinder Agreement dated September 21, 2020 and the Additional Authorized Representative Joinder Agreement dated August 24, 2021, by and among the Borrower, the other Grantors party thereto, the Authorized Representatives and Collateral Agent (as amended, restated, modified, and/or supplemented from time to time, the “Collateral Agreement”).

The Companies and the other Grantors propose to issue or incur “Additional Lien Obligations” designated by the Borrower as such in accordance with Section 9 of the Collateral Agreement in an officers’ certificate delivered concurrently herewith to the Collateral Agent and the Authorized Representatives (the “Additional Lien Obligations”).

Pursuant to the Indenture dated as of September 26, 2024 (the “Base Indenture”) among the Borrower, U.S. Bank Trust Company, National Association, as Trustee (the “2024 Trustee”), and the Collateral Agent, as supplemented by the First Supplemental Indenture dated as of September 26, 2024 (together with the Base Indenture, the “Indenture”), the 2024 Trustee (the “Additional Authorized Representative”) will serve as trustee for the holders of the Additional Lien Obligations with respect to the Borrower’s 4.625% Senior Secured Notes due 2029 (the “2029 Senior Notes”) and 5.050% Senior Secured Notes due 2034 (together with the 2029 Senior Notes, the “New Senior Notes” with such holders constituting “Additional Lien Secured Parties”).

The Additional Authorized Representative wishes, in accordance with the provisions of the Collateral Agreement, to become a party to the Collateral Agreement and to acquire and undertake, for itself and on behalf of such Additional Lien Secured Parties, the rights and obligations of an “Additional Authorized Representative” and “Secured Parties” thereunder.

Accordingly, the Additional Authorized Representative (for itself and on behalf of its Additional Lien Secured Parties), the Borrower and the other Grantors agree as follows, for the benefit of the Collateral Agent, the existing Authorized Representatives and the existing Secured Parties:

SECTION 1.01. Accession to the Collateral Agreement. The Additional Authorized Representative hereby (a) accedes and becomes a party to the Collateral Agreement as an “Additional Authorized Representative,” (b) agrees, for itself and on behalf of its Additional Lien Secured Parties, to all the terms and provisions of the Collateral Agreement and (c) acknowledges and agrees that (i) the Additional Lien Obligations with respect to the Borrower’s New Senior Notes, and Liens on any Common Collateral securing the same shall be subject to the provisions of the Collateral Agreement and (ii) the Additional Authorized Representative and such Additional Lien Secured Parties shall have the rights and obligations specified under the Collateral Agreement with respect to an “Authorized Representative” or a “Secured Party,” and shall be subject to and bound by the provisions of the Collateral Agreement.

SECTION 1.02. Representations and Warranties of the Additional Authorized Representative. The Additional Authorized Representative represents and warrants to the Collateral Agent, the existing Authorized Representatives and the existing Secured Parties that (a) it has full power and authority to enter into this Joinder Agreement, in its capacity as the Additional Authorized Representative, (b) this Joinder Agreement has been duly authorized, executed and delivered by it and constitutes its legal, valid and binding obligation, enforceable against it in accordance with its terms, and (c) the Additional Lien Documents relating to the Additional Lien Obligations with respect to the Borrower’s New Senior Notes provide that, upon the Additional Authorized Representative’s execution and delivery of this Joinder Agreement, (i) such Additional Lien Obligations and liens on any Common Collateral securing the same shall be subject to the provisions of the Collateral Agreement and (ii) the Additional Authorized Representative and its Additional Lien Secured Parties shall have the rights and obligations specified therefor under, and shall be subject to and bound by the provisions of, the Collateral Agreement.

SECTION 1.03. Parties in Interest. This Joinder Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns, as well as the other Secured Parties, all of whom are intended to be bound by, and to be third-party beneficiaries of, this Agreement.

SECTION 1.04. Counterparts. This Joinder Agreement may be executed in counterparts, each of which shall constitute an original but all of which when taken together shall constitute a single contract. Delivery of an executed signature page to this Joinder Agreement by facsimile or other electronic transmission shall be as effective as delivery of a manually signed counterpart of this Joinder Agreement.

SECTION 1.05. Governing Law. This Joinder Agreement shall be construed in accordance with and governed by the law of the State of New York.

SECTION 1.06. Notices. All communications and notices hereunder shall be in writing and given as provided in Section 8.2 of the Collateral Agreement. All communications and notices hereunder to the Additional Authorized Representative shall be given to it at the address set forth under its signature hereto, which information supplements Section 8.2 to the Collateral Agreement.

SECTION 1.07. Expenses. The Borrower and the other Grantors, jointly and severally, agree to reimburse the Collateral Agent and each of the Authorized Representatives for its reasonable out-of-pocket expenses in connection with this Joinder Agreement, including the reasonable fees, other charges and disbursements of counsel for the Collateral Agent and any of the Authorized Representatives.

SECTION 1.08. 2024 Trustee. In acting under the Collateral Agreement, the 2024 Trustee shall be afforded all of the rights, duties, protections, indemnities, immunities and privileges afforded to the 2024 Trustee under the Indenture.

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IN WITNESS WHEREOF, the Additional Authorized Representative, the Collateral Agent, the Administrative Agent, the Borrower and the other Grantors have duly executed this Joinder Agreement to the Collateral Agreement as of the day and year first above written.

Additional Authorized Representative:
	U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS 2024 TRUSTEE AND AUTHORIZED REPRESENTATIVE FOR THE HOLDERS OF THE NEW SENIOR NOTES
	By:	/s/ Gregory P. Guim
		Name: Gregory P. Guim
		Title: Vice President

Address for notices:

U.S. Bank Trust Company, National Association

50 S. 16^th Street, Suite 2000

Philadelphia, PA 19102

Attention of: Gregory P. Guim

E-mail: gregory.guim@usbank.com

Telephone: (215) 761-9315

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Acknowledged and Agreed:
JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
By:	/s/ Maurice Dattas
Name: Maurice Dattas
Title: Vice President
JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
By:	/s/ Maurice Dattas
Name: Maurice Dattas
Title: Vice President

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Grantors:
UNIVERSAL HEALTH SERVICES, INC.
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Executive Vice President, Chief Financial Officer and Secretary

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UHS OF DELAWARE, INC.
By:	/s/ Steve Filton
	Name: Steve Filton
	Title: Executive Vice President and Chief Financial Officer

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LANCASTER HOSPITAL CORPORATION

MERION BUILDING MANAGEMENT, INC.

NORTHWEST TEXAS HEALTHCARE SYSTEM, INC.

UHS HOLDING COMPANY, INC.

UHS OF CORNERSTONE, INC.

UHS OF CORNERSTONE HOLDINGS, INC.

UHS OF D.C., INC.

UHS-CORONA, INC.

UNIVERSAL HEALTH SERVICES OF PALMDALE, INC.

VALLEY HOSPITAL MEDICAL CENTER, INC.

MCALLEN MEDICAL CENTER, INC.

SPARKS FAMILY HOSPITAL, INC.

UHS OF RIVER PARISHES, INC.

UHS OF TEXOMA, INC.

UNIVERSAL HEALTH SERVICES OF RANCHO SPRINGS, INC.

By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President

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ABS LINCS SC, INC.

ALLIANCE HEALTH CENTER, INC.

ALTERNATIVE BEHAVIORAL SERVICES, INC.

ASCEND HEALTH CORPORATION

BENCHMARK BEHAVIORAL HEALTH SYSTEM, INC.

BHC ALHAMBRA HOSPITAL, INC.

BHC BELMONT PINES HOSPITAL, INC.

BHC FAIRFAX HOSPITAL, INC.

BHC FOX RUN HOSPITAL, INC.

BHC FREMONT HOSPITAL, INC.

BHC HEALTH SERVICES OF NEVADA, INC.

BHC HERITAGE OAKS HOSPITAL, INC.

BHC HOLDINGS, INC.

BHC INTERMOUNTAIN HOSPITAL, INC.

BHC MONTEVISTA HOSPITAL, INC.

BHC SIERRA VISTA HOSPITAL, INC.

BHC STREAMWOOD HOSPITAL, INC.

BRENTWOOD ACQUISITION, INC.

BRENTWOOD ACQUISITION—SHREVEPORT, INC.

BRYNN MARR HOSPITAL, INC.

CALVARY CENTER, INC.

CANYON RIDGE HOSPITAL, INC.

CCS/LANSING, INC.

CEDAR SPRINGS HOSPITAL, INC.

CHILDREN’S COMPREHENSIVE SERVICES, INC.

DEL AMO HOSPITAL, INC.

FIRST HOSPITAL CORPORATION OF VIRGINIA BEACH

FORT LAUDERDALE HOSPITAL, INC.

FRN, INC.

FRONTLINE BEHAVIORAL HEALTH, INC.

GREAT PLAINS HOSPITAL, INC.

GULF COAST TREATMENT CENTER, INC.

H. C. CORPORATION

HARBOR POINT BEHAVIORAL HEALTH CENTER, INC.

HAVENWYCK HOSPITAL INC.

HHC AUGUSTA, INC.

HHC DELAWARE, INC.

HHC INDIANA, INC.

HHC OHIO, INC.

HHC RIVER PARK, INC.

HHC SOUTH CAROLINA, INC.

HHC ST. SIMONS, INC.

HORIZON HEALTH AUSTIN, INC.

HORIZON HEALTH CORPORATION

HSA HILL CREST CORPORATION

KIDS BEHAVIORAL HEALTH OF UTAH, INC.

LAUREL OAKS BEHAVIORAL HEALTH CENTER, INC.

MERIDELL ACHIEVEMENT CENTER, INC.

MICHIGAN PSYCHIATRIC SERVICES, INC.

NORTH SPRING BEHAVIORAL HEALTHCARE, INC.

OAK PLAINS ACADEMY OF TENNESSEE, INC.

PARK HEALTHCARE COMPANY

PENNSYLVANIA CLINICAL SCHOOLS, INC.

PREMIER BEHAVIORAL SOLUTIONS, INC.

PREMIER BEHAVIORAL SOLUTIONS OF FLORIDA, INC.

PSYCHIATRIC SOLUTIONS, INC.

PSYCHIATRIC SOLUTIONS OF VIRGINIA, INC.

RAMSAY YOUTH SERVICES OF GEORGIA, INC.

RIVER OAKS, INC.

RIVEREDGE HOSPITAL HOLDINGS, INC.

SOUTHEASTERN HOSPITAL CORPORATION

SPRINGFIELD HOSPITAL, INC.

STONINGTON BEHAVIORAL HEALTH, INC.

SUMMIT OAKS HOSPITAL, INC.

TEMECULA VALLEY HOSPITAL, INC.

TEMPLE BEHAVIORAL HEALTHCARE HOSPITAL, INC.

TEXAS HOSPITAL HOLDINGS, INC.

THE ARBOUR, INC.

TWO RIVERS PSYCHIATRIC HOSPITAL, INC.

UHS CHILDREN SERVICES, INC.

UHS OF DENVER, INC.

UHS OF FAIRMOUNT, INC.

UHS OF FULLER, INC.

UHS OF GEORGIA, INC.

UHS OF GEORGIA HOLDINGS, INC.

UHS OF HAMPTON, INC.

UHS OF HARTGROVE, INC

UHS OF PARKWOOD, INC.

UHS OF PENNSYLVANIA, INC.

UHS OF PROVO CANYON, INC.

UHS OF PUERTO RICO, INC.

UHS OF SPRING MOUNTAIN, INC.

UHS OF TIMBERLAWN, INC.

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UHS OF TIMPANOGOS, INC.

UHS OF WESTWOOD PEMBROKE, INC.

UHS OF WYOMING, INC.

UHS SAHARA, INC.

UNITED HEALTHCARE OF HARDIN, INC.

WINDMOOR HEALTHCARE INC.

WINDMOOR HEALTHCARE OF PINELLAS PARK, INC.

WISCONSIN AVENUE PSYCHIATRIC CENTER, INC.

UHS OF MADERA, INC.

FOREST VIEW PSYCHIATRIC HOSPITAL, INC.

By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

AIKEN REGIONAL MEDICAL CENTERS, LLC
LA AMISTAD RESIDENTIAL TREATMENT CENTER, LLC
PALM POINT BEHAVIORAL HEALTH, LLC
TENNESSEE CLINICAL SCHOOLS, LLC
THE BRIDGEWAY, LLC
TURNING POINT CARE CENTER, LLC
UHS OF BENTON, LLC
UHS OF BOWLING GREEN, LLC
UHS OF GREENVILLE, LLC
UHS OF LAKESIDE, LLC
UHS OF PHOENIX, LLC
UHS OF RIDGE, LLC
UHS OF ROCKFORD, LLC
UHS OF TUCSON, LLC
UHS SUB III, LLC
UHSD, L.L.C.
WELLINGTON REGIONAL MEDICAL CENTER, LLC
By: Universal Health Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:  Steve Filton
Title:   Executive Vice President, Secretary and
	Chief Financial Officer

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FORT DUNCAN MEDICAL CENTER, L.P.
By:	Fort Duncan Medical Center, Inc.
Its general partner
By:	/s/ Steve Filton
Name:  Steve Filton
Title:   Vice President

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FRONTLINE HOSPITAL, LLC
FRONTLINE RESIDENTIAL TREATMENT CENTER, LLC
By: Frontline Behavioral Health, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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KEYS GROUP HOLDINGS LLC
By: UHS Children Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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KEYSTONE/CCS PARTNERS LLC
By: Children’s Comprehensive Services, Inc.
Its Minority Member
By: KEYS Group Holdings LLC
Its Managing Member and sole member of the minority member
By: UHS Children Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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KEYSTONE CONTINUUM, LLC
KEYSTONE NPS LLC
KEYSTONE RICHLAND CENTER LLC
By: Keystone/CCS Partners LLC
Its sole member
By: Children’s Comprehensive Services, Inc.
Its minority member
By: KEYS Group Holdings LLC
Its managing member and sole member of the minority member
By: UHS Children Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

KEYSTONE EDUCATION AND YOUTH SERVICES, LLC
By: KEYS Group Holdings LLC
Its sole member
By: UHS Children Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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KEYSTONE MARION, LLC
KEYSTONE MEMPHIS, LLC
KEYSTONE NEWPORT NEWS, LLC
KEYSTONE WSNC, L.L.C.
By: Keystone Education and Youth Services, LLC
Its sole member
By: KEYS Group Holdings LLC
Its sole member
By: UHS Children Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

MANATEE MEMORIAL HOSPITAL, L.P.
By: Wellington Regional Medical Center, LLC
Its general partner
By: Universal Health Services, Inc.,
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Executive Vice President, Secretary and
	Chief Financial Officer

[Signature Page for Additional Authorized Representative Joinder Agreement]

MCALLEN HOSPITALS, L.P.
By: McAllen Medical Center, Inc.
Its general partner
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

PENDLETON METHODIST HOSPITAL, L.L.C.
By: UHS of River Parishes, Inc.
Its managing member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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GULPH MILLS ASSOCIATES, LLC
TBD ACQUISITION II, LLC
UHS KENTUCKY HOLDINGS, L.L.C.
UHS OF LANCASTER, LLC
UHS OF NEW ORLEANS, LLC
UHS OF OKLAHOMA, LLC
UHSL, L.L.C.
AZ HOLDING 4, LLC
UHS MIDWEST BEHAVIORAL HEALTH, LLC
RIVERSIDE MEDICAL CLINIC PATIENT SERVICES, L.L.C.
PASTEUR HEALTHCARE PROPERTIES, LLC
UHS CAPITOL ACQUISITION, LLC
By: UHS of Delaware, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Executive Vice President and Chief Financial Officer

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UHS OF ANCHOR, L.P.
UHS OF LAUREL HEIGHTS, L.P.
UHS OF PEACHFORD, L.P.
By: UHS of Georgia, Inc.
Its general partner
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHS OF CENTENNIAL PEAKS, L.L.C.
By: UHS of Denver, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHS OF DOVER, L.L.C.
By: UHS of Rockford, LLC
Its sole member
By: Universal Health Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Executive Vice President, Secretary and
	Chief Financial Officer

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHS OF DOYLESTOWN, L.L.C.
By: UHS of Pennsylvania, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHS OF SALT LAKE CITY, L.L.C.
By: UHS of Provo Canyon, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHS OF SAVANNAH, L.L.C.
By: UHS of Georgia Holdings, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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UHS OKLAHOMA CITY LLC
UHS OF SPRINGWOODS, L.L.C.
By: UHS of New Orleans, LLC
Its sole member
By: UHS of Delaware, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Executive Vice President and Chief Financial Officer

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHS OF SUMMITRIDGE, L.L.C.
By: UHS of Peachford, L.P.
Its sole member
By: UHS of Georgia, Inc.
Its general partner
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

PSYCHIATRIC SOLUTIONS HOSPITALS, LLC
By: Psychiatric Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

DIAMOND GROVE CENTER, LLC
KMI ACQUISITION, LLC
LIBERTY POINT BEHAVIORAL HEALTHCARE, LLC
PSJ ACQUISITION, LLC
SHADOW MOUNTAIN BEHAVIORAL HEALTH SYSTEM, LLC
SUNSTONE BEHAVIORAL HEALTH, LLC
TBD ACQUISITION, LLC
By: Psychiatric Solutions Hospitals, LLC
Its Sole Member
By: Psychiatric Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

ATLANTIC SHORES HOSPITAL, LLC
EMERALD COAST BEHAVIORAL HOSPITAL, LLC
OCALA BEHAVIORAL HEALTH, LLC
PALMETTO BEHAVIORAL HEALTH HOLDINGS, LLC
RAMSAY MANAGED CARE, LLC
SAMSON PROPERTIES, LLC
TBJ BEHAVIORAL CENTER, LLC
THREE RIVERS HEALTHCARE GROUP, LLC
WEKIVA SPRINGS CENTER, LLC
ZEUS ENDEAVORS, LLC
By: Premier Behavioral Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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PALMETTO BEHAVIORAL HEALTH SYSTEM, L.L.C.
By: Palmetto Behavioral Health Holdings, LLC
Its Sole Member
By: Premier Behavioral Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

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PALMETTO LOWCOUNTRY BEHAVIORAL HEALTH, L.L.C.
By: Palmetto Behavioral Health System, L.L.C.
Its Sole Member
By: Palmetto Behavioral Health Holdings, LLC
Its Sole Member
By: Premier Behavioral Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

SP BEHAVIORAL, LLC
UNIVERSITY BEHAVIORAL, LLC
By: Ramsay Managed Care, LLC
Its Sole Member
By: Premier Behavioral Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

THREE RIVERS BEHAVIORAL HEALTH, LLC
By: Three Rivers Healthcare Group, LLC
Its Sole Member
By: Premier Behavioral Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

THE NATIONAL DEAF ACADEMY, LLC
By: Zeus Endeavors, LLC
Its Sole Member
By: Premier Behavioral Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

WILLOW SPRINGS, LLC
By: BHC Health Services of Nevada, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BEHAVIORAL HEALTHCARE LLC
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BHC PINNACLE POINTE HOSPITAL, LLC
BHC PROPERTIES, LLC
COLUMBUS HOSPITAL PARTNERS, LLC
HOLLY HILL HOSPITAL, LLC
LEBANON HOSPITAL PARTNERS, LLC
NORTHERN INDIANA PARTNERS, LLC
ROLLING HILLS HOSPITAL, LLC
VALLE VISTA HOSPITAL PARTNERS, LLC
By: Behavioral Healthcare LLC
Its Sole Member
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BHC MESILLA VALLEY HOSPITAL, LLC
BHC NORTHWEST PSYCHIATRIC HOSPITAL, LLC
CUMBERLAND HOSPITAL PARTNERS, LLC
By: BHC Properties, LLC
Its Sole Member
By: Behavioral Healthcare LLC
Its Sole Member
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

CUMBERLAND HOSPITAL, LLC
By: Cumberland Hospital Partners, LLC
Its Managing Member
By: BHC Properties, LLC
Its Minority Member and Sole Member of the Managing Member
By: Behavioral Healthcare LLC
Its Sole Member
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

VALLE VISTA, LLC
By: BHC of Indiana, General Partnership
Its Sole Member
By: Columbus Hospital Partners, LLC
Its General Partner
By: Lebanon Hospital Partners, LLC
Its General Partner
By: Northern Indiana Partners, LLC
Its General Partner
By: Valle Vista Hospital Partners, LLC
Its General Partner
By: Behavioral Healthcare LLC
The Sole Member of each of the above General Partners
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

WELLSTONE REGIONAL HOSPITAL ACQUISITION, LLC
By: Wellstone Holdings, Inc.
Its Minority Member
By: Behavioral Healthcare LLC
Its Managing Member and Sole Member of the Minority Member
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BEHAVIORAL HEALTHCARE, LLC
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

HORIZON HEALTH HOSPITAL SERVICES, LLC
HORIZON MENTAL HEALTH MANAGEMENT, LLC
By: Horizon Health Corporation
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

HHC PENNSYLVANIA, LLC
HHC POPLAR SPRINGS, LLC
KINGWOOD PINES HOSPITAL, LLC
SCHICK SHADEL OF FLORIDA, LLC
TOLEDO HOLDING CO., LLC
By: Horizon Health Hospital Services, LLC
Its Sole Member
By: Horizon Health Corporation
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

HICKORY TRAIL HOSPITAL, L.P.
MILLWOOD HOSPITAL, L.P.
NEURO INSTITUTE OF AUSTIN, L.P.
TEXAS CYPRESS CREEK HOSPITAL, L.P.
TEXAS LAUREL RIDGE HOSPITAL, L.P.
TEXAS OAKS PSYCHIATRIC HOSPITAL, L.P.
TEXAS SAN MARCOS TREATMENT CENTER, L.P.
TEXAS WEST OAKS HOSPITAL, L.P.
By: Texas Hospital Holdings, LLC
Its General Partner
By: Psychiatric Solutions Hospitals, LLC
Its Sole Member
By: Psychiatric Solutions, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

SHC-KPH, LP
By: HHC Kingwood Investment, LLC
Its General Partner
By: Horizon Health Hospital Services, LLC
Sole member of the General Partner
By: Horizon Health Corporation
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

H.C. PARTNERSHIP
By: H.C. Corporation
Its General Partner
By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President
By: HSA Hill Crest Corporation
Its General Partner
By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BHC OF INDIANA, GENERAL PARTNERSHIP
By: Columbus Hospital Partners, LLC
Its General Partner
By: Lebanon Hospital Partners, LLC
Its General Partner
By: Northern Indiana Partners, LLC
Its General Partner
By: Valle Vista Hospital Partners, LLC
Its General Partner
By: BHC Healthcare, LLC
The Sole Member of each of the above General Partners
By: BHC Holdings, Inc.
Its Sole Member
By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

INDEPENDENCE PHYSICIAN MANAGEMENT, LLC
By: UHS of Fairmount, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BEHAVIORAL HEALTH MANAGEMENT, LLC
BEHAVIORAL HEALTH REALTY, LLC
CAT REALTY, LLC
CAT SEATTLE, LLC
MAYHILL BEHAVIORAL HEALTH, LLC
PSYCHIATRIC REALTY, LLC
RR RECOVERY, LLC
SALT LAKE BEHAVIORAL HEALTH, LLC
SALT LAKE PSYCHIATRIC REALTY, LLC
UBH OF OREGON, LLC
UBH OF PHOENIX, LLC
UBH OF PHOENIX REALTY, LLC
UNIVERSITY BEHAVIORAL HEALTH OF EL PASO, LLC
By: Ascend Health Corporation
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

GARFIELD PARK HOSPITAL, LLC
By: UHS of Hartgrove, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

ABS LINCS KY, LLC
HUGHES CENTER, LLC
By: Alternative Behavioral Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

VALLEY HEALTH SYSTEM LLC
By: Valley Hospital Medical Center, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHP LP
By: Island 77 LLC
Its general partner
By: Ascend Health Corporation
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BEACH 77 LP
By: 2026 W. University Properties, LLC
Its general partner
	By: Ascend Health Corporation
	Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

CORAL SHORES BEHAVIORAL HEALTH, LLC
By: Children’s Comprehensive Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

DVH HOSPITAL ALLIANCE LLC
By: UHS Holding Company, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

DHP 2131 K ST, LLC
By: Universal Health Services, Inc.
Its sole member
By:	/s/ Steve Filton
Name:	Steve Filton
Title:	Executive Vice President, Secretary and Chief Financial Officer

[Signature Page for Additional Authorized Representative Joinder Agreement]

UHS FUNDING, LLC
By: UHS of Delaware, Inc.
Its majority member
By:	/s/ Steve Filton
	Name: Steve Filton
	Title: Executive Vice President and Chief Financial Officer
By: Universal Health Services, Inc.
Its minority member
By:	/s/ Steve Filton
	Name: Steve Filton
	Title: Executive Vice President, Chief Financial Officer and Secretary

[Signature Page for Additional Authorized Representative Joinder Agreement]

MILWAUKEE BEHAVIORAL HEALTH, LLC
By: UHS of Delaware, Inc.
Its minority member
By:	/s/ Steve Filton
	Name: Steve Filton
	Title: Executive Vice President and Chief Financial Officer
By: UHS Funding, LLC
Its majority member
By: UHS of Delaware, Inc.
Its majority member
By:	/s/ Steve Filton
	Name: Steve Filton
	Title: Executive Vice President and Chief Financial Officer

[Signature Page for Additional Authorized Representative Joinder Agreement]

FANNIN MANAGEMENT SERVICES, LLC
By: UHS of Texoma, Inc.
Its sole member
By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

RIDGE OUTPATIENT COUNSELING, L.L.C.
By: UHS of Ridge, LLC
Its sole member
By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

BLOOMINGTON MEADOWS, GENERAL PARTNERSHIP
By:	BHC of Indiana, General Partnership,
	its General Partner
		By:	Columbus Hospital Partners, LLC,
			its General Partner
		By:	Lebanon Hospital Partners, LLC,
			its General Partner
		By:	Northern Indiana Partners, LLC,
			its General Partner
		By:	Valle Vista Hospital Partners, LLC,
			its General Partner
			By:	BHC Healthcare, LLC,
				the Sole Member of each of the
				above General Partners
				By:	BHC Holdings, Inc.
					its Sole Member
				By:	/s/ Steve Filton
				Name: Steve Filton
				Title: Vice President
By:	Indiana Psychiatric Institutes, LLC,
	its General Partner
		By:	BHC Healthcare, LLC,
			its Sole Member
			By:	BHC Holdings, Inc.
				its Sole Member
			By:	/s/ Steve Filton
			Name: Steve Filton
			Title: Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]

DISTRICT HOSPITAL PARTNERS, L.P.
By: UHS of D.C., Inc.
Its general partner
By:	/s/ Steve Filton
Name: Steve Filton
Title: Vice President

[Signature Page for Additional Authorized Representative Joinder Agreement]