Radiation Therapy Services Closes Acquisition Of Two New Jersey Radiation Treatment Centers

FORT MYERS, Fla., Sept. 22 /PRNewswire-FirstCall/ -- Radiation Therapy Services, Inc. , a leading operator of radiation therapy centers, announced today that it has closed on the previously announced definitive purchase agreement for two radiation treatment centers in New Jersey.

Radiation Therapy received license transfer approval in early September 2004 for the treatment centers located on the campuses of Virtua Health in Voorhees and Underwood-Memorial Hospital, partners with Jefferson Health Systems, in Woodbury. Subsequent to the license transfers, the Company closed on the acquisition of both facilities. The centers will operate under the 21st Century Oncology brand.

A third facility, located adjacent to Lady of Lourdes in Willingboro, is expected to close in the fourth quarter pending the receipt of the license transfer approval.

About Radiation Therapy Services

Radiation Therapy Services, Inc., which operates treatment centers primarily under the name 21st Century Oncology, is a provider of radiation therapy services to cancer patients. The Company's 54 treatment centers are clustered into 18 regional networks in nine states, including Alabama, Delaware, Florida, Kentucky, Maryland, Nevada, New Jersey, New York and North Carolina. 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 contains 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, the Company's ability to consummate the proposed acquisition, the integration and future performance of the treatment centers to be acquired and those risk factors described in the Company's recent quarterly report on Form 10-Q and the "Risk Factors" section of the Form S-1 Registration Statement, as amended, relating to the Company's initial public offering 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: Investors/Media: Dave Koeninger Stephanie Carrington/Greg Tiberend Chief Financial Officer The Ruth Group Radiation Therapy Services, Inc. 646-536-7008/7005 239-931-7282 scarrington@theruthgroup.comdkoeninger@rtsx.comgtiberend@theruthgroup.com

Radiation Therapy Services, Inc.

CONTACT: Dave Koeninger, Chief Financial Officer of Radiation TherapyServices, Inc., +1-239-931-7282, dkoeninger@rtsx.com; Investors, Media -Stephanie Carrington, scarrington@theruthgroup.com or Greg Tiberend,gtiberend@theruthgroup.com, both of The Ruth Group, +1-646-536-7008/7005