Radiation Therapy Svcs Inc

Radiation Therapy Svcs Inc – Fifth Supplemental Indenture (November 8th, 2011)

This Fifth Supplemental Indenture, dated as of September 30, 2011 (this Fifth Supplemental Indenture), is by and among 21st Century Oncology Services, Inc., a Delaware corporation (the New Guarantor), Radiation Therapy Services, Inc., a Florida corporation (the Company, which term includes its successors and assigns), each other then existing Guarantor under the Indenture referred to below (the Guarantors), and Wells Fargo Bank, National Association, as trustee (Trustee) under the Indenture referred to below. Capitalized terms used and not defined herein shall have the same meanings given in the Indenture unless otherwise indicated.

Radiation Therapy Svcs Inc – Contract (April 1st, 2011)

SUPPLEMENT No. 12 dated as of March 31, 2011 to the Guaranty and Collateral Agreement (the Collateral Agreement) dated as of February 21, 2008, among RADIATION THERAPY SERVICES HOLDINGS, INC., a Delaware corporation (Parent), RADIATION THERAPY SERVICES, INC., a Florida corporation (Borrower), each subsidiary of Borrower listed on Schedule I thereto (each such subsidiary individually a Subsidiary Guarantor and collectively, the Subsidiary Guarantors); the Subsidiary Guarantors and Borrower are referred to collectively herein as the Grantors) and WELLS FARGO BANK, N.A. (as successor to WACHOVIA BANK, NATIONAL ASSOCIATION), (Wells), as Collateral Agent (in such capacity, the Collateral Agent).

Radiation Therapy Svcs Inc – Fourth Supplemental Indenture (April 1st, 2011)

This Fourth Supplemental Indenture, dated as of March 30, 2011 (this Fourth Supplemental Indenture), is by and among Aurora Technology Development, LLC, a Delaware limited liability company (the New Guarantor), Radiation Therapy Services, Inc., a Florida corporation (the Company, which term includes its successors and assigns), each other then existing Guarantor under the Indenture referred to below (the Guarantors), and Wells Fargo Bank, National Association, as trustee (Trustee) under the Indenture referred to below. Capitalized terms used and not defined herein shall have the same meanings given in the Indenture unless otherwise indicated.

Radiation Therapy Svcs Inc – Addendum to Administrative Services Agreement (November 24th, 2010)

This Addendum (the Addendum) is entered into as of January 1, 2010, by and among NEW YORK RADIATION THERAPY MANAGEMENT SERVICES, INC., a New York corporation (MANAGEMENT SERVICES) and YONKERS RADIATION MEDICAL PRACTICE, P.C., a New York professional corporation (the PC). This Addendum amends Section 3.1 of the Administrative Services Agreement dated January 1, 1999 between the parties (the Agreement) to adjust the monthly Service Fee payable at the rate of $600.00 per external beam treatment billed in 2009 to a monthly Service Fee payable at the rate of $500.00 per external beam treatment billed (currently CPT codes 77372, 77373, 77401 - 77416, 77418, and 77781 - 77784) and replaces the Addendum of that same Section dated January 1, 2009. From and after the date hereof, Section 3.1 shall read as follows:

Radiation Therapy Svcs Inc – Lease (November 24th, 2010)

THIS LEASE (Lease) is made and entered into as of December 29, 2009 (the Effective Date), by and between, THERIAC ENTERPRISES OF GILBERT, LLC, a Florida limited liability company, whose business address is 5292 Summerlin Commons Way, Suite 1103, Fort Myers, Florida 33907 (Landlord), and ARIZONA RADIATION THERAPY MANAGEMENT SERVICES, INC., an Arizona corporation, whose business address is 2234 Colonial Blvd. Fort Myers, FL 33907 (Tenant).

Radiation Therapy Svcs Inc – Sublease (November 24th, 2010)

THIS SUBLEASE is made as of this 25th day of October, 1999, and is by and between RADIATION THERAPY SERVICES, INC., a Florida corporation (RTSI-Sublessor) with Administrative Offices located at 2234 Colonial Blvd. Ft. Myers, FL 33907, and Westchester MRI SPECIALISTS, P.C., a New York corporation (RMS-Sublessee) with Administrative Offices located at 3680 Broadway Ft. Myers, FL 33901.

Radiation Therapy Svcs Inc – ADDENDUM TO ADMINISTRATIVE SERVICES AGREEMENT North Carolina (November 24th, 2010)

This Addendum (the Addendum) is effective as of January 1, 2002, by and among NORTH CAROLINA RADIATION THERAPY MANAGEMENT SERVICES, INC., a North Carolina corporation (MANAGEMENT SERVICES) and RADIATION THERAPY ASSOCIATES OF WESTERN NORTH CAROLINA, P. A., a North Carolina professional corporation (the PC). This Addendum amends Section 3.1 of the Administrative Services Agreement dated January 1, 2002 between the parties (the Agreement).

Radiation Therapy Svcs Inc – Physician Sharing Agreement (November 24th, 2010)

THIS PHYSICIAN SHARING AGREEMENT (this Agreement) is dated effective as of August 1,2003 by and between 21st Century Oncology, Inc., a Florida corporation (21st Century), and Radiation Therapy Associates of Western North Carolina, P.A., a North Carolina professional association (PA).

Radiation Therapy Svcs Inc – Professional Services Agreement (November 24th, 2010)

This Professional Services Agreement (the Agreement) is made and entered into as of the first of January, 2005, by and between Berlin Radiation Therapy Treatment Center, LLC, a Maryland limited liability company (BRT) and Katin Radiation Therapy, P.A,, a Maryland professional corporation (the P.A.).

Radiation Therapy Svcs Inc – Third Amendment to Lease (November 24th, 2010)

This THIRD AMENDMENT TO LEASE dated December 31, 2009 (this Amendment), is by and between THERIAC ENTERPRISES OF HARRINGTON, LLC, a Florida limited liability company (Landlord), and CENTRAL MASSACHUSETTS COMPREHENSIVE CANCER CENTER, LLC, a Florida limited liability company (Tenant).

Radiation Therapy Svcs Inc – Radiation Therapy Services Agreement (November 24th, 2010)

This RADIATION THERAPY SERVICES AGREEMENT (Agreement), effective as of January 1, 2010 (Effective Date), is entered into by and between Southern New England Regional Cancer Center, LLC, a Rhode Island limited liability company (SNR) and Massachusetts Oncology Services, P.C., a Massachusetts professional corporation (Contractor).

Radiation Therapy Svcs Inc – Third Addendum to Management Services Agreement (November 24th, 2010)

This Third Addendum (the Addendum) is entered into as of August 1, 2007, by and between CALIFORNIA RADIATION THERAPY MANAGEMENT SERVICES, INC., a California corporation (Manager) and 21ST CENTURY ONCOLOGY OF CALIFORNIA A MEDICAL CORPORATION, a California medical corporation (Medical Group). This Addendum amends Sections l.(a) of the Management Services Agreement dated May 1, 2006, as set forth below.

Radiation Therapy Svcs Inc – Contract (November 24th, 2010)

SUPPLEMENT NO. 8 dated as of September 30, 2010 to the Guaranty and Collateral Agreement (the Collateral Agreement) dated as of February 21, 2008, among RADIATION THERAPY SERVICES HOLDINGS, INC., a Delaware corporation (Parent), RADIATION THERAPY SERVICES, INC., a Florida corporation (Borrower), each subsidiary of Borrower listed on Schedule I thereto (each such subsidiary individually a Subsidiary Guarantor and collectively, the Subsidiary Guarantors); the Subsidiary Guarantors and Borrower are referred to collectively herein as the Grantors) and WELLS FARGO BANK, N.A. (as successor to WACHOVIA BANK, NATIONAL ASSOCIATION), (Wells), as Collateral Agent (in such capacity, the Collateral Agent).

Radiation Therapy Svcs Inc – MANAGEMENT STOCK CONTRIBUTION AND UNIT SUBSCRIPTION AGREEMENT (Preferred Units and Class a Units) (November 24th, 2010)

THIS MANAGEMENT STOCK CONTRIBUTION AND UNIT SUBSCRIPTION AGREEMENT (this Agreement) is made as of February 21, 2008, by and between Radiation Therapy Investments, LLC, a Delaware limited liability company (the Company) and the individual named on the signature page attached hereto (the Executive). Capitalized terms used herein but not otherwise defined herein shall have the meanings assigned to them in the Amended and Restated Limited Liability Company Agreement, dated as of February 21, 2008, entered into by and among the members of the Company (as amended from time to time in accordance with its terms, the LLC Agreement).

Radiation Therapy Svcs Inc – Contract (November 24th, 2010)

SUPPLEMENT NO. 6 dated as of September 30, 2010 to the Guaranty and Collateral Agreement (the Collateral Agreement) dated as of February 21, 2008, among RADIATION THERAPY SERVICES HOLDINGS, INC., a Delaware corporation (Parent), RADIATION THERAPY SERVICES, INC., a Florida corporation (Borrower), each subsidiary of Borrower listed on Schedule I thereto (each such subsidiary individually a Subsidiary Guarantor and collectively, the Subsidiary Guarantors); the Subsidiary Guarantors and Borrower are referred to collectively herein as the Grantors) and WELLS FARGO BANK, N.A. (as successor to WACHOVIA BANK, NATIONAL ASSOCIATION), (Wells), as Collateral Agent (in such capacity, the Collateral Agent).

Radiation Therapy Svcs Inc – Memo To: JOE BISCARDI From CATHY NEWKIRK CC: Date: Re: RENT YONKERS ATTACHED PLEASE FIND THE NEW LEASE BETWEEN YONKERS RADIATION ENTERPRISES,.LLC AND NEW YORK RADIATION THERAPY MANAGEMENT SERVICES, INC. (November 24th, 2010)

THIS LEASE BEGAN 1-21-03. THE MONTHLY RENT IN THE LEASE IS 3,220.00, BUT THAT DOES NOT INCLUDE THE $350.00 PER MONTH CONDO FEE TO RIVERHILL CONDO ASSOC.

Radiation Therapy Svcs Inc – Contract (November 24th, 2010)

SUPPLEMENT NO. 7 dated as of September 30, 2010 to the Guaranty and Collateral Agreement (the Collateral Agreement) dated as of February 21, 2008, among RADIATION THERAPY SERVICES HOLDINGS, INC., a Delaware corporation (Parent), RADIATION THERAPY SERVICES, INC., a Florida corporation (Borrower), each subsidiary of Borrower listed on Schedule I thereto (each such subsidiary individually a Subsidiary Guarantor and collectively, the Subsidiary Guarantors); the Subsidiary Guarantors and Borrower are referred to collectively herein as the Grantors) and WELLS FARGO BANK, N.A. (as successor to WACHOVIA BANK, NATIONAL ASSOCIATION), (Wells), as Collateral Agent (in such capacity, the Collateral Agent).

Radiation Therapy Svcs Inc – Agreement for Physician Office Space and Services (November 24th, 2010)

AGREEMENT dated October 1, 2004, by and between THE HIGHLANDS-CASHIERS HOSPITAL, INC. a NORTH CAROLINA nonprofit corporation (herein called Landlord), Post Office Box 190, Highlands, North Carolina 28741, and North Carolina Radiation Therapy Management Services, Inc., Charles C. Thomas, MD (herein called Tenant), 445 Biltmore Ave., Suite G102, Asheville, North Carolina, 28801.

Radiation Therapy Svcs Inc – PURCHASE AND SALE AGREEMENT by and Between 21ST CENTURY ONCOLOGY, INC., a Florida Corporation; MARYLAND RADIATION THERAPY MANAGEMENT SERVICES, INC., a Maryland Corporation; AMERICAN CONSOLIDATED TECHNOLOGIES, L.L.C., a Michigan Limited Liability Company (Successor by Conversion From American Consolidated Technologies, a Michigan Co- Partnership), and PHOENIX MANAGEMENT COMPANY, LLC, a Michigan Limited Liability Company (Collectively Seller) and NATIONWIDE HEALTH PROPERTIES, INC., a Maryland Corporation (Buyer) September 30, 2008 (November 24th, 2010)

This Purchase and Sale Agreement (this, Agreement) is entered into as of September 30, 2008, between 21ST CENTURY ONCOLOGY, INC., a Florida corporation; MARYLAND RADIATION THERAPY MANAGEMENT SERVICES, INC., a Maryland corporation; AMERICAN CONSOLIDATED TECHNOLOGIES, L.L.C., a Michigan limited liability company (successor by conversion from American Consolidated Technologies, a Michigan co-partnership), and PHOENIX MANAGEMENT COMPANY, LLC, a Michigan limited liability company (collectively, Seller), and NATIONWIDE HEALTH PROPERTIES, INC., a Maryland corporation (Buyer). In consideration of the mutual covenants, agreements and conditions set forth herein and for other good and valuable consideration the receipt and sufficiency of which are hereby acknowledged, Buyer and Seller agree as follows:

Radiation Therapy Svcs Inc – Batan Insurance Company SPC, Ltd. On Behalf of RTSI Segregated Portfolio C/O Aon Insurance Managers (Cayman) Ltd. Buckingham Square, 720 West Bay Road Grand Cayman KY1-1102, Cayman Islands (The Company) DECLARATIONS PAGE (November 24th, 2010)

This Declarations Page and the attached Policy including the attached endorsements complete this Batan Insurance Company SPC, Ltd. Excess Healthcare Professional and General Liability Policy:

Radiation Therapy Svcs Inc – Contract (November 24th, 2010)

SUPPLEMENT NO. 4 dated as of June 24, 2010 to the Guaranty and Collateral Agreement (the Collateral Agreement) dated as of February 21, 2008, among RADIATION THERAPY SERVICES HOLDINGS, INC., a Delaware corporation (Parent), RADIATION THERAPY SERVICES, INC., a Florida corporation (Borrower), each subsidiary of Borrower listed on Schedule I thereto (each such subsidiary individually a Subsidiary Guarantor and collectively, the Subsidiary Guarantors); the Subsidiary Guarantors and Borrower are referred to collectively herein as the Grantors) and WELLS FARGO BANK, N.A. (as successor to WACHOVIA BANK, NATIONAL ASSOCIATION), (Wells), as Collateral Agent (in such capacity, the Collateral Agent).

Radiation Therapy Svcs Inc – Executive Employment Agreement (November 24th, 2010)

THIS EXECUTIVE EMPLOYMENT AGREEMENT (Agreement), dated as of February 8, 2010, by and among RADIATION THERAPY SERVICES HOLDINGS, INC., a Delaware corporation (Holdings), RADIATION THERAPY SERVICES, INC., a Florida corporation (the Company), and KERRIN E. GILLESPIE (Executive).

Radiation Therapy Svcs Inc – Radiation Therapy Services Agreement (November 24th, 2010)

This RADIATION THERAPY SERVICES AGREEMENT (Agreement), effective as of February 1, 2007 (Effective Date), is entered into by and between Roger Williams Radiation Therapy, LLC, a Rhode Island limited liability company (RWR) and Massachusetts Oncology Services, P.C., a Massachusetts company (Contractor).

Radiation Therapy Svcs Inc – SECOND AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT Dated as of March 25, 2008 (November 24th, 2010)

This SECOND AMENDED AND RESTATED LIMITED LIABILITY COMPANY AGREEMENT of Radiation Therapy Investments, LLC, dated and effective as of March 25, 2008 (this Agreement), by and among Radiation Therapy Investments, LLC, a Delaware limited liability company (the Company), Vestar Capital Partners V, L.P., a Delaware limited partnership (Vestar V), Vestar Capital Partners V-A, L.P., a Cayman Islands exempted limited partnership, Vestar Executive V, L.P., a Cayman Islands exempted limited partnership, Vestar Holdings V, L.P., a Cayman Islands exempted limited partnership, Vestar/Radiation Therapy Investments, LLC, a Delaware limited liability company (Vestar/RTS and, together with Vestar V, Vestar Capital Partners V-A, L.P., Vestar Executive V, L.P. and Vestar Holdings V, L.P., Vestar). TCW/Crescent Mezzanine Partners V, L.P., a Delaware limited partnership, TCW/Crescent Mezzanine Partners VB, L.P., a Delaware limited partnership, TCW/Crescent Mezzanine Partners VC, L.P., a Delaware limited pa

Radiation Therapy Svcs Inc – Addendum to Administrative Services Agreement (November 24th, 2010)

This Addendum (the Addendum) is entered into as of January 1, 2010, by and among MARYLAND RADIATION THERAPY MANAGEMENT SERVICES, INC., a Maryland corporation (MANAGEMENT SERVICES) and KATIN RADIATION THERAPY, P.A., a Maryland professional corporation (the PA). This Addendum amends Section 3.1 of the Administrative Services Agreement dated October 31, 1998 between the parties (the Agreement) to adjust the monthly Service Fee of $4,333.33 paid in 2009 to a monthly Service Fee of $3,666.67, and replaces the Addendum of that same Section dated January 1, 2009. From and after the date hereof, Section 3.1 shall read as follows:

Radiation Therapy Svcs Inc – Contract (November 24th, 2010)

SUPPLEMENT NO. 3 dated as of June 24, 2010 to the Guaranty and Collateral Agreement (the Collateral Agreement) dated as of February 21, 2008, among RADIATION THERAPY SERVICES HOLDINGS, INC., a Delaware corporation (Parent), RADIATION THERAPY SERVICES, INC., a Florida corporation (Borrower),, each subsidiary of Borrower listed on Schedule I thereto (each such subsidiary individually a Subsidiary Guarantor and collectively, the Subsidiary Guarantors); the Subsidiary Guarantors and Borrower are referred to collectively herein as the Grantors) and WELLS FARGO BANK, N.A. (as successor to WACHOVIA BANK, NATIONAL ASSOCIATION), (Wells), as Collateral Agent (in such capacity, the Collateral Agent).

Radiation Therapy Svcs Inc – Blanket Amendment to Leases (November 24th, 2010)

The Ground Lease, Construction Sublease, CMCC Lease, and Harrington Lease shall be collectively referred to as the Leases, Harrington, CMCC and Theriac agree as follows:

Radiation Therapy Svcs Inc – Radiation Therapy Services, Inc. Documents Relating to the Joinder of Jacksonville Radiation Therapy Services, Inc. (November 24th, 2010)

Radiation Therapy Svcs Inc – First Amendment to Lease (November 24th, 2010)

This FIRST AMENDMENT TO LEASE dated December 31, 2009 (this Amendment), is by and between LEHIGH RADIATION ASSOCIATES, a Florida partnership (Landlord), and 21ST CENTURY ONCOLOGY, INC., a Florida corporation (Tenant).

Radiation Therapy Svcs Inc – Independent Contractor Agreement (November 24th, 2010)

THIS INDEPENDENT CONTRACTOR AGREEMENT (the Agreement) is entered into as of the 18th day of October, 2005, by and between Ambergris, LLC, a West Virginia limited liability company (Ambergris) and Katin Radiation Therapy, P.A., a Maryland professional corporation duly qualified to do business in West Virginia (the P.A.).

Radiation Therapy Svcs Inc – Lease (November 24th, 2010)

THIS LEASE (Lease) is made and entered into as of the 19th day of November 2003, by and between, DESTIN RADIATION ENTERPRISES, LLC, (Landlord), and 21 ST CENTURY ONCOLOGY, INC., a Florida corporation, (Tenant).

Radiation Therapy Svcs Inc – Amendment to Business Operations and Support Services Agreement (November 24th, 2010)

THIS AMENDMENT TO BUSINESS OPERATIONS AND SUPPORT SERVICES AGREEMENT (Amendment) dated as of November 15, 2006 by and between Phoenix Management Company, LLC, a Michigan limited liability company (Manager) and X-ray Treatment Center, P.C., a Michigan professional services corporation (Medical Practice).

Radiation Therapy Svcs Inc – Transition Agreement and Stock Pledge (November 24th, 2010)

This Transition Agreement and Stock Pledge (this Agreement) is made as of August , 2007, by and between PHOENIX MANAGEMENT COMPANY, LLC, a Michigan limited liability company (Phoenix), X-RAY TREATMENT CENTER, P.C., a Michigan professional corporation (the PC); and MICHAEL J. KATIN, M.D. (the Current Shareholder).

Radiation Therapy Svcs Inc – Addendum to Administrative Services Agreement (November 24th, 2010)

This Addendum (the Addendum) is entered into as of January 1, 2006, by and between NEW ENGLAND RADIATION THERAPY MANAGEMENT SERVICES, INC., a Massachusetts corporation (MANAGEMENT SERVICES) and MASSACHUSETTS ONCOLOGY SERVICES, P.C., a Massachusetts professional corporation (the PC). This Addendum amends Section 3.1 of the Administrative Services Agreement dated June 1, 2005 between the parties (the Agreement) to adjust the monthly Service Fee of $89,166.67 paid in 2005 to a monthly Service Fee of $133,333.33. From and after the date hereof, Section 3.1 shall read as follows:

Radiation Therapy Svcs Inc – Transition Agreement and Stock Pledge (November 24th, 2010)

This Transition Agreement and Stock Pledge (this Agreement) is made as of August 1, 2002, by and between NORTH CAROLINA RADIATION THERAPY MANAGEMENT SERVICES, INC., a North Carolina corporation (Management Services); RADIATION THERAPY ASSOCIATES OF WESTERN NORTH CAROLINA, P.A., a North Carolina professional corporation (the PC); and MICHAEL J. KATIN, M.D. (the Current Shareholder).