Tenet Announces New CEO at Centennial Medical Center

Tenet Healthcare Corporation (NYSE: THC) announced today the appointment of Joe Thomason as chief executive officer of Tenet’s Centennial Medical Center, a 118-bed acute care hospital located in Frisco, Texas. Thomason, 49, has served as the hospital’s interim chief executive officer since March 2009. As CEO, he oversees all strategic, operational and clinical activities at Centennial.

“I am pleased that Joe has accepted this leadership position at Centennial Medical Center,” said Robert L. Smith, senior vice president of operations for Tenet’s Central Region. “His extensive experience in health care management will play a key role in the continued provision of high-quality care to the patients and community served by Centennial Medical Center, its medical staff and employees.”

Thomason recently served as chief executive officer of RHD Memorial Medical Center in Dallas and Brownsville Medical Center in Brownsville, Texas. Prior to these roles, he served as chief operating officer for Sierra Medical Center, a 354-bed acute care hospital in El Paso, Texas.

Thomason received his bachelor’s degree in business administration from West Texas State University and his master’s degree in business administration with a concentration in health organization management from Texas Tech.

Tenet Healthcare Corporation, through its subsidiaries, owns and operates acute care hospitals and related ancillary health care businesses, which include ambulatory surgery centers and diagnostic imaging centers. Tenet’s hospitals and related health care facilities are committed to providing high quality care to patients in the communities they serve. For more information, please visit www.tenethealth.com.

Some of the statements in this release may constitute forward-looking statements. Such statements are based on our current expectations and could be affected by numerous factors and are subject to various risks and uncertainties discussed in our filings with the Securities and Exchange Commission, including our annual report on Form 10-K for the year ended Dec. 31, 2008, our quarterly reports on Form 10-Q and periodic reports on Form 8-K. Do not rely on any forward-looking statement, as we cannot predict or control many of the factors that ultimately may affect our ability to achieve the results estimated. We make no promise to update any forward-looking statement, whether as a result of changes in underlying factors, new information, future events or otherwise.