Radiation Therapy Services To Report Third Quarter 2005 Financial Results On November 2, 2005

FORT MYERS, Fla., Oct. 11 /PRNewswire-FirstCall/ -- Radiation Therapy Services, Inc. , a leading operator of radiation therapy centers, announced today that it will release third quarter financial results for the period ended September 30, 2005 after the market closes on Wednesday, November 2, 2005 with an accompanying conference call on Thursday, November 3, 2005 at 10:00 a.m. ET.

A live Web cast of the conference call will be available online on the Company’s corporate Web site at http://www.rtsx.com. The dial-in numbers are (877) 407-0784 for domestic callers, and (201) 689-8560 for international. After the live Web cast, the call will remain available on Radiation Therapy’s Web site until December 1, 2005. In addition, a telephonic replay of the call will be available until November 17, 2005. The replay dial-in numbers are (877) 660-6853 for domestic callers and (201) 612-7415 for international callers. Please use account number 3055 and conference ID number 172805.

About Radiation Therapy Services

Radiation Therapy Services, Inc., which operates radiation treatment centers primarily under the name 21st Century Oncology, is a provider of radiation therapy services to cancer patients. The Company’s 67 treatment centers are clustered into 21 local markets in 13 states, including Alabama, Arizona, Delaware, Florida, Kentucky, Maryland, Massachusetts, Nevada, New Jersey, New York, North Carolina, Rhode Island and West Virginia. The Company is headquartered in Fort Myers, Florida. More information about the Company can be found at its Web site http://www.rtsx.com. RTSXG

This release may contain forward-looking statements about the Company’s future plans, expectations and objectives. Words such as “may,” “will,” “expect,” “intend,” “anticipate,” “plan,” “believe,” “seek,” “could” and “estimate” and variations of these words and similar expressions are intended to identify forward-looking statements. These forward-looking statements are not historical facts and are subject to risks and uncertainties that could cause the actual results to differ materially from those projected in these forward-looking statements including, but not limited to those risk factors described in the “Risk Factors” section and other information in the Company’s most recently filed quarterly report on Form 10-Q and annual report on Form 10-K, as well as the Company’s other filings with the Securities and Exchange Commission which are available on the SEC’s website at http://www.sec.gov. Readers of this release are cautioned not to place undue reliance on forward- looking statements. The Company undertakes no obligation to publicly update or revise the forward-looking statements contained herein to reflect changed events or circumstances after the date of this release.

Contacts: Dave Koeninger Chief Financial Officer Radiation Therapy Services, Inc. 239-931-7282 dkoeninger@rtsx.com Investors/Media: Nick Laudico/Jason Rando The Ruth Group 646-536-7030/7025 nlaudico@theruthgroup.comjrando@theruthgroup.com

Radiation Therapy Services, Inc.

CONTACT: Dave Koeninger, Chief Financial Officer, Radiation TherapyServices, Inc., +1-239-931-7282; Nick Laudico, +1-646-536-7030,nlaudico@theruthgroup.com, or Jason Rando, +1-646-536-7025,jrando@theruthgroup.com, both of The Ruth Group for Radiation TherapyServices, Inc.