Radiation Therapy Services To Report Second Quarter 2004 Financial Results On August 5, 2004

FORT MYERS, Fla., July 13 /PRNewswire-FirstCall/ -- Radiation Therapy Services, Inc. , a provider of radiation therapy services to cancer patients, announced today that it will release second quarter financial results for the period ended June 30, 2004 before the market opens on Thursday, August 5, 2004 with an accompanying conference call at 10:00 a.m. EDT.

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 (800) 473-6123 for domestic callers, and (973) 582-2706 for international. The reservation number for both is 4964893. After the live Web cast, the call will remain available on Radiation Therapy’s Web site through September 3, 2004. In addition, a telephonic replay of the call will be available until August 19, 2004. The replay dial-in numbers are (877) 519-4471 for domestic callers and (973) 341-3080 for international callers. Please use reservation code 4964893.

About Radiation Therapy Services

Radiation Therapy Services, Inc., which also operates treatment centers as 21st Century Oncology, is a provider of radiation therapy services to cancer patients. The Company’s 52 treatment centers are clustered into 17 regional networks in eight states, including Alabama, Delaware, Florida, Kentucky, Maryland, Nevada, New York and North Carolina. The Company is headquartered in Fort Myers, Florida.

Contacts: Dave Koeninger Chief Financial Officer Radiation Therapy Services, Inc. 239-931-7282 dkoeninger@rtsx.com Investors/Media: Stephanie Carrington/Greg Tiberend The Ruth Group 646-536-7017/7005 scarrington@theruthgroup.comgtiberend@theruthgroup.com

Radiation Therapy Services, Inc.

CONTACT: Dave Koeninger, Chief Financial Officer, +1-239-931-7282,dkoeninger@rtsx.com, of Radiation Therapy Services, Inc.; or StephanieCarrington, +1-646-536-7017, scarrington@theruthgroup.com, or Greg Tiberend,+1-646-536-7005, gtiberend@theruthgroup.com, both of The Ruth Group forRadiation Therapy Services, Inc.