Vanguard Health Systems, Inc. Invites You To Join Its 2004 Fourth Quarter And Year End Earnings Conference Call Webcast

NASHVILLE, Tenn., July 29 /PRNewswire/ -- In conjunction with Vanguard Health Systems, Inc.'s Fourth Quarter and Year End 2004 earnings press release, you are invited to listen to its conference call that will be broadcast live over the Internet on August 9, 2004 at 11:00am Eastern time with senior management of Vanguard discussing the operating results.

(Logo: http://www.newscom.com/cgi-bin/prnh/20011105/CHM002LOGO ) WHAT: Vanguard Health Systems, Inc.'s 2004 Fourth Quarter and Year End Earnings Conference Call on the Web WHEN: Monday, August 9, 2004 at 11:00am Eastern time WHERE: http://www.vanguardhealth.com/ or http://www.firstcallevents.com/service/ajwz408684112gf12.html HOW: Live over the Internet -- Simply log on to the web at one of the addresses above. If you connect through http://www.vanguardhealth.com/ , select “Fourth Quarter Webcast” from the home page. CONTACT: Aaron Broad, Investor Relations, at (615) 665-6131 or abroad@vanguardhealth.com

Vanguard Health Systems, Inc. will release its 2004 fourth quarter operating results on Sunday, August 8, 2004, after 4:00 pm Eastern Time. The Company’s earnings press release will be posted under the “Latest News” link on the Investor Relations page of the Company’s web site http://www.vanguardhealth.com/ .

Vanguard Health Systems, located in Nashville, TN, through its subsidiaries, owns and operates sixteen acute care hospitals and numerous related health care services in four metropolitan areas: Phoenix, Ariz.; Orange County (greater Los Angeles), Calif.; Chicago, Ill.; and San Antonio, Texas.

If you are unable to participate during the live Webcast, the call will be archived on our Web site http://www.vanguardhealth.com/ . To access the replay, click on the Fourth Quarter Webcast on our home page or on the “Latest News” link on the Investor Relations page of our Web site.

Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20011105/CHM002LOGOAP Archive: http://photoarchive.ap.org/PRN Photo Desk, photodesk@prnewswire.comVanguard Health Systems, Inc.

CONTACT: Aaron Broad, Investor Relations of Vanguard Health Systems,Inc., +1-615-665-6131, or abroad@vanguardhealth.com