Radiation Therapy Services To Present At SunTrust Robinson Humphrey 34th Annual Institutional Investor Conference

FORT MYERS, Fla., April 6 /PRNewswire-FirstCall/ -- Radiation Therapy Services, Inc. , a leading operator of radiation therapy centers, is scheduled to present at the SunTrust Robinson Humphrey 34th Annual Institutional Investor Conference in Atlanta on Monday, April 11th at 2:40 PM EDT. Daniel E. Dosoretz, M.D., President and Chief Executive Officer, and David M. Koeninger, Chief Financial Officer, will be presenting.

Date: Monday, April 11, 2005 Time: 2:40 PM EDT Place: Ritz-Carlton Buckhead in Atlanta, GA

A Web cast of the Company’s presentation will be available by going to the investor relations section of Radiation Therapy Services’ Web site at http://www.rtsx.com/. A replay of the presentation will be available for approximately 90 days after the date of the presentation.

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 57 treatment centers are clustered into 19 regional networks in eleven states, including Alabama, Delaware, Florida, Kentucky, Maryland, 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/.

This release may contain forward-looking statements about the Company’s planned acquisitions, 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 risks associated with the completion and integration of the proposed acquired business; the future financial performance of the proposed acquired business; the future growth of the State of Nevada and Clark County Nevada; the ability to retain patients of Associated as well as those risk factors described in the Company’s recent annual report on Form 10-K and 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, dkoeninger@rtsx.com; or Investors/Media: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 RadiationTherapy Services, Inc.

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