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Thursday, May 29, 2008

Tenet Investor Day Meeting to be Web Cast on June 3

DALLAS – May 29, 2008 – Tenet Healthcare Corporation (NYSE: THC) announced today that its Investor Day meeting, scheduled for Tuesday, June 3, will be accessible via a live Web cast through Tenet’s Web site at www.tenethealth.com. The Web cast will also be archived for later playback through the company Web site.

Click here to view the meeting agenda (times are approximate).

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 is committed to providing high quality care to patients in the communities we serve. Tenet can be found on the World Wide Web at www.tenethealth.com.

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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, 2007, 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.

Contacts:

Media: David Matthews (469) 893-2640

david.matthews@tenethealth.com

Investors: Thomas Rice (469) 893-2522

thomas.rice@tenethealth.com